HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$100+ Cheap flights from Spokane (GEG) to Dulles Intl (IAD)

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — IAD
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Spokane to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Spokane to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Spokane (GEG) to Dulles Intl (IAD). 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 June 14, 2025.

Round-trip from

$199
(Delta)

One-way from

$100
(Delta)

Popular in

March

Cheapest in

November

Average price

$324
From Spokane to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Spokane to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Spokane to Dulles Intl

Cheapest flights from Spokane to Dulles Intl
Explore the most affordable flight options available from Spokane to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

This Delta deal was found by Cheapflights users on 6/13. 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.
Wed 7/97:26 pmGEG - IAD
1 stop7h 31mDelta
Tue 7/157:30 amIAD - GEG
1 stop8h 03mDelta
Deal found 6/13$199
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 9/2012:35 pmGEG - IAD
1 stop7h 14mAmerican Airlines
Sat 9/2712:48 pmIAD - GEG
2 stops13h 04mAmerican Airlines
Deal found 6/12$204
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/114:47 pmGEG - IAD
1 stop11h 03mHawaiian Airlines
Wed 8/136:30 amIAD - GEG
1 stop8h 58mHawaiian Airlines
Deal found 6/12$224
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 7/86:25 pmGEG - IAD
1 stop7h 59mUnited Airlines
Tue 7/153:56 pmIAD - GEG
1 stop8h 07mUnited Airlines
Deal found 6/12$239
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:00 amGEG - IAD
1 stop8h 59mAlaska Airlines
Wed 8/136:30 amIAD - GEG
1 stop8h 58mAlaska Airlines
Deal found 6/12$253
This Southwest deal was found by Cheapflights users on 6/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:25 amGEG - IAD
2 stops14h 05mSouthwest
Tue 11/115:45 pmIAD - GEG
1 stop7h 40mSouthwest
Deal found 6/13$322
This Trip.com deal was found by Cheapflights users on 6/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:44 pmGEG - IAD
1 stop8h 43mMultiple Airlines
Mon 8/48:10 amIAD - GEG
1 stop10h 57mMultiple Airlines
Deal found 6/13$327

Cheapflights Fare Finder

Customize your flight search to find flights from Spokane to Dulles Intl 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 June 14, 2025.
Use the filters below to find and compare flights from Spokane to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Spokane

Fly to

Dulles Intl

Route

Depart

Return

Price

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 7/9

7:26 pm-5:57 am

1 stop7h 31m

Washington, D.C. Dulles Intl

Tue 7/15

7:30 am-12:33 pm

1 stop8h 03m

$199

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 9/20

12:35 pm-10:49 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Sat 9/27

12:48 pm-10:52 pm

2 stops13h 04m

$204

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 8/11

4:47 pm-6:50 am

1 stop11h 03m

Washington, D.C. Dulles Intl

Wed 8/13

6:30 am-12:28 pm

1 stop8h 58m

$224

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 7/8

6:25 pm-5:24 am

1 stop7h 59m

Washington, D.C. Dulles Intl

Tue 7/15

3:56 pm-9:03 pm

1 stop8h 07m

$239

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 8/12

7:00 am-6:59 pm

1 stop8h 59m

Washington, D.C. Dulles Intl

Wed 8/13

6:30 am-12:28 pm

1 stop8h 58m

$253

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Thu 11/6

6:25 am-11:30 pm

2 stops14h 05m

Washington, D.C. Dulles Intl

Tue 11/11

5:45 pm-10:25 pm

1 stop7h 40m

$322

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 7/28

7:44 pm-7:27 am

1 stop8h 43m

Washington, D.C. Dulles Intl

Mon 8/4

8:10 am-4:07 pm

1 stop10h 57m

$327

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 8/19

7:25 pm-5:55 am

1 stop7h 30m

$100

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 9/5

6:45 am-10:50 pm

2 stops13h 05m

$105

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 8/11

4:47 pm-6:50 am

1 stop11h 03m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 16 results
1
2

Best time to book a flight from Spokane to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Spokane 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 Spokane to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Spokane to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Spokane to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Spokane to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 GEG to IAD?

Find hourly flight availability from Spokane to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2025.

It’s typically best to fly out from Spokane to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated June 14, 2025.
Read through reviews of airlines operating flights from Spokane to Washington, D.C., such as Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,953 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.8
Good
2,499 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,793 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Spokane to Dulles Intl. 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 from for flights from Spokane to Washington, D.C. Dulles Intl?

    For a flight from Spokane to Washington, D.C. Dulles Intl, you will be flying from Spokane. Spokane (GEG) is just 5.6 mi from the center of the city. Spokane is the only Spokane airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 3 airlines have flights to Washington, D.C. Dulles Intl from Spokane on a regular basis.

  • What are the cheapest airlines flying from Spokane to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $199. Additional round-trip tickets that might be worth considering are offered by American Airlines and Hawaiian Airlines, with the lowest prices starting at $204 and $224, respectively. Delta is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Spokane to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $100. Users have also found prices from $105 and $119 on Southwest and Hawaiian Airlines, respectively.

  • Can I find deals for flights from Spokane to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Spokane to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Spokane to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spokane to Dulles Intl.

  • Can I find deals for business class flights from Spokane to Dulles Intl?

    Yes. Cheapflights offers flight deals from Spokane to Dulles Intl 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 Spokane to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Spokane to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Spokane to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 Spokane?

Book flights to Spokane if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Spokane to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Dulles Intl flights
Seattle to Reagan-National flights
Seattle to Baltimore flights
Portland to Dulles Intl flights
Portland to Reagan-National flights
Portland to Baltimore flights
Pasco to Dulles Intl flights
Spokane to Baltimore flights
Pasco to Reagan-National flights
Wenatchee to Dulles Intl flights
Pasco to Baltimore flights
Wenatchee to Reagan-National flights
Spokane to Reagan-National flights
Wenatchee to Baltimore flights
Bellingham to Dulles Intl flights
Bellingham to Reagan-National flights
Bellingham to Baltimore flights
Yakima to Baltimore flights
Yakima to Dulles Intl flights
Yakima to Reagan-National flights
Pullman to Baltimore flights
Walla Walla to Baltimore flights
Pullman to Dulles Intl flights
Pullman to Reagan-National flights
Walla Walla to Dulles Intl flights
Walla Walla to Reagan-National flights

Top 3 airlines flying from Spokane to Dulles Intl

Discover the top 3 airlines that operate flights from Spokane to Dulles Intl. 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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$174Average$481FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$296Average$401FlexibilityNo cancel feeOn-time69%
DeltaCheapest$298Average$456FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Privacy Preferences©2025 Cheapflights