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$49+ Cheap flights from Washington, D.C. (WAS) to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOS
Jun 10 — Jun 171
Di 6/10
Di 6/17
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Boston Logan Intl are usually found in January or September, booked 30 days in advance, depart on a Thursday or Saturday and return on a Friday

Cheap flight deals from Washington, D.C. to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated Juni 5, 2025.

Round-trip from

$86
(FlightHub)

One-way from

$49
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$212

Good round-trip deal

$147 or less

Good one-way deal

$74 or less
From Washington, D.C. (WAS) to Boston Logan Intl
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One-way flight from Washington, D.C. (WAS) to Boston Logan Intl
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Highest demand for flights based on searches. 10% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Boston Logan Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Boston Logan Intl.
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Find flight deals from Washington, D.C. to Boston

Cheapest flights from Washington, D.C. to Boston
Explore the most affordable flight options available from Washington, D.C. to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Juni 5, 2025.

This FlightHub deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 6/285:45 amBWI - BOS
Nonstop1h 27mSpirit Airlines
Sa 7/56:00 amBOS - BWI
Nonstop1h 30mSpirit Airlines
Deal found 6/5$86
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 8/156:20 amBWI - BOS
Nonstop1h 45mDelta
Di 8/195:15 amBOS - BWI
1 stop6h 23mDelta
Deal found 6/5$158
This FlightHub deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 6/168:30 amBWI - BOS
1 stop16h 13mMultiple Airlines
Sa 6/216:00 amBOS - BWI
Nonstop1h 30mMultiple Airlines
Deal found 6/4$159
This JetBlue deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 7/910:30 amDCA - BOS
Nonstop1h 35mJetBlue
Mo 7/146:15 amBOS - DCA
Nonstop1h 39mJetBlue
Deal found 6/4$167
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 8/1510:18 pmIAD - BOS
Nonstop1h 41mUnited Airlines
Mo 8/185:30 amBOS - IAD
Nonstop1h 34mUnited Airlines
Deal found 6/4$167
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 6/266:00 amDCA - BOS
Nonstop1h 40mAmerican Airlines
Mo 6/305:46 amBOS - DCA
Nonstop1h 44mAmerican Airlines
Deal found 6/5$168
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 7/226:59 amDCA - BOS
Nonstop1h 44mDelta
Mi 7/2311:05 amBOS - DCA
Nonstop1h 49mDelta
Deal found 6/2$173
This Mytrip deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 7/143:13 pmIAD - BOS
1 stop18h 02mAllegiant Air
Do 7/1711:31 amBOS - IAD
1 stop8h 49mAllegiant Air
Deal found 6/4$175
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 8/308:46 pmIAD - BOS
1 stop11h 37mFrontier
Mo 9/110:15 amBOS - IAD
1 stop7h 16mFrontier
Deal found 6/4$195
This Frontier deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/217:54 pmBWI - BOS
1 stop13h 36mFrontier
So 8/2410:15 amBOS - BWI
1 stop8h 54mFrontier
Deal found 6/2$196
This Mytrip deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 7/2011:58 amIAD - BOS
1 stop27h 45mMultiple Airlines
So 7/2711:31 amBOS - IAD
1 stop8h 49mMultiple Airlines
Deal found 6/5$200
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 7/2510:09 amDCA - BOS
1 stop3h 31mUnited Airlines
So 7/278:47 amBOS - DCA
1 stop6h 34mUnited Airlines
Deal found 6/4$202

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Juni 5, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Boston that are best for you.

Fly from

Washington, D.C.

Fly to

Boston

Route

Depart

Return

Price

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sa 6/28

5:45 am-7:12 am

Nonstop1h 27m

Boston Logan Intl

Sa 7/5

6:00 am-7:30 am

Nonstop1h 30m

$86

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fr 8/15

6:20 am-8:05 am

Nonstop1h 45m

Boston Logan Intl

Di 8/19

5:15 am-11:38 am

1 stop6h 23m

$158

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mo 6/16

8:30 am-12:43 am

1 stop16h 13m

Boston Logan Intl

Sa 6/21

6:00 am-7:30 am

Nonstop1h 30m

$159

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Mi 7/9

10:30 am-12:05 pm

Nonstop1h 35m

Boston Logan Intl

Mo 7/14

6:15 am-7:54 am

Nonstop1h 39m

$167

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fr 8/15

10:18 pm-11:59 pm

Nonstop1h 41m

Boston Logan Intl

Mo 8/18

5:30 am-7:04 am

Nonstop1h 34m

$167

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Do 6/26

6:00 am-7:40 am

Nonstop1h 40m

Boston Logan Intl

Mo 6/30

5:46 am-7:30 am

Nonstop1h 44m

$168

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mi 8/20

6:00 am-10:36 am

1 stop4h 36m

Boston Logan Intl

Fr 8/22

6:21 pm-11:09 pm

1 stop4h 48m

$170

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Mi 6/18

1:25 pm-3:18 pm

Nonstop1h 53m

Boston Logan Intl

Do 6/26

7:40 am-9:36 am

Nonstop1h 56m

$172

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mo 7/14

3:13 pm-9:15 am

1 stop18h 02m

Boston Logan Intl

Do 7/17

11:31 am-8:20 pm

1 stop8h 49m

$175

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sa 8/30

8:46 pm-8:23 am

1 stop11h 37m

Boston Logan Intl

Mo 9/1

10:15 am-5:31 pm

1 stop7h 16m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 37 results
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The best insider tips for Washington, D.C. to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Boston trip
Airports
IAD

For quick check-in at IAD, locate your airline counter in the main terminal's island setup. Be prepared for crowded afternoon and evening hours.

Read more about IADby Ramsey Qubein
BOS

At BOS, use the MBTA Silver Line for a free ride to downtown Boston. It's a convenient and economical option for travelers.

Read more about BOSby Paul Rubio
Our travel experts
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Washington, D.C. to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Boston

How far ahead should I book a flight from Washington, D.C. to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Boston. Price data was last updated on May 23, 2025.

The best time to book flights from Washington, D.C. to Boston is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to Boston?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $218). Flying from Washington, D.C. to Boston in June is currently the most expensive (average of $303). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to BOS?

Find hourly flight availability from Washington, D.C. to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Juni 5, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. to Boston?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Boston. Price data was last updated on June 1, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Boston flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Boston

Explore weekly flight availability from Washington, D.C. to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated Juni 5, 2025.

The most flights from WAS to BOS are scheduled on a Thursday (91 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated Juni 5, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington, D.C. to Boston to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,956 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,774 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from Washington, D.C.?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Washington, D.C.. Booking flights from Washington, D.C. to Logan Intl (BOS) should be relatively easy as there are 58 daily inbound flights from Washington, D.C. from 6 different airlines.

  • How popular is this Washington, D.C. to Boston flight route?

    The Washington, D.C. to Boston Logan Intl flight path was viewed by 148 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Washington, D.C. to Boston round-trip?

    According to our current data, Spirit Airlines ($86), Delta ($158), and United Airlines ($167) offers the cheapest pricing from Washington, D.C. to Boston. These flights start at 56% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Boston one-way?

    One-way options have recently been found by users for as low as $49 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $62 and American Airlines from $80 one-way.

  • What are the most popular routes from Washington, D.C. to Boston?

    Most travelers choose Washington, D.C. Reagan-National - Boston Logan Intl, Baltimore/Washington - Boston Logan Intl or Washington, D.C. Dulles Intl - Boston Logan Intl when deciding on the best route from Washington, D.C. to Boston.

  • What are the most reliable airlines from Washington, D.C. to Boston?

    The top 3 most reliable airlines when flying from Washington, D.C. to Boston are LATAM Airlines (100%), Scandinavian Airlines (76%) and Korean Air (74%).

  • What are the cheapest flights from Washington, D.C. to Boston?

    On average you can expect to pay $1,409 for a flight from Washington, D.C. to Boston. The cheapest flight overall is $36 while the most popular route, (Washington, D.C. Reagan-National - Boston Logan Intl) is currently priced at $167.

  • Can I find deals for flights from Washington, D.C. to Boston that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Boston.

  • Can I find deals for business class flights from Washington, D.C. to Boston?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Boston?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $218). Flying from Washington, D.C. to Boston in June is currently the most expensive (average of $303). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Marlborough
Waltham
Framingham
Seabrook
Chestnut Hill
Cranston
Randolph
Lowell
Chelsea
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Washington, D.C. to Boston

Discover the top 6 airlines that operate flights from Washington, D.C. to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Juni 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$49Average$115FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$63Average$233FlexibilityNo cancel feeOn-time62%
DeltaCheapest$78Average$233FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$286FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$141Average$250FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$164Average$269FlexibilityNo cancel feeOn-time63%

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