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Peoria

$252+ Cheap flights from Boston to Peoria, IL (BOS - PIA)

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PIA
Jun 25 — Jul 21
Wed 6/25
Wed 7/2
1 adult, Economy
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Cheap flight deals from Boston to Peoria

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Peoria (PIA). 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 20, 2025.

Round-trip from

$259
(American Airlines)

One-way from

$252
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$514
From Boston Logan Intl to Greater Peoria
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One-way flight from Boston Logan Intl to Greater Peoria
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Highest demand for flights based on searches. 38% potential increase in price ($375 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Boston to Peoria

Cheapest flights from Boston to Peoria
Explore the most affordable flight options available from Boston to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2025.

This American Airlines deal was found by Cheapflights users on 6/18. 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.
Fri 9/195:00 amBOS - PIA
1 stop5h 21mAmerican Airlines
Sun 9/216:30 pmPIA - BOS
1 stop4h 29mAmerican Airlines
Deal found 6/18$259
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 7/41:02 pmBOS - PIA
2 stops9h 30mUnited Airlines
Tue 7/85:25 pmPIA - BOS
1 stop5h 07mUnited Airlines
Deal found 6/19$294
This Mytrip deal was found by Cheapflights users on 6/18. 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.
Tue 7/1511:18 amBOS - PIA
2 stops21h 41mMultiple Airlines
Wed 7/168:39 pmPIA - BOS
2 stops13h 52mMultiple Airlines
Deal found 6/18$338
This Mytrip deal was found by Cheapflights users on 6/18. 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.
Fri 9/198:59 amBOS - PIA
2 stops23h 35mAllegiant Air
Sun 9/2110:47 amPIA - BOS
2 stops20h 22mAllegiant Air
Deal found 6/18$407

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Peoria 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 20, 2025.
Use the filters below to find and compare flights from Boston to Peoria that are best for you.

Fly from

Boston

Fly to

Peoria

Route

Depart

Return

Price

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Fri 9/19

5:00 am-9:21 am

1 stop5h 21m

Greater Peoria

Sun 9/21

6:30 pm-11:59 pm

1 stop4h 29m

$259

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Fri 7/4

1:02 pm-9:32 pm

2 stops9h 30m

Greater Peoria

Tue 7/8

5:25 pm-11:32 pm

1 stop5h 07m

$294

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Tue 7/15

11:18 am-7:59 am

2 stops21h 41m

Greater Peoria

Wed 7/16

8:39 pm-11:31 am

2 stops13h 52m

$338

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Fri 9/19

8:59 am-7:34 am

2 stops23h 35m

Greater Peoria

Sun 9/21

10:47 am-8:09 am

2 stops20h 22m

$407

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Sun 8/3

5:00 am-9:40 am

1 stop5h 40m

$252

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Mon 10/13

6:15 pm-10:15 pm

1 stop5h 00m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Best time to book a flight from Boston to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from Boston 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 Boston to Peoria

What is the cheapest month to book a flight from Boston to Peoria, Illinois?

Currently, August is the cheapest month in which you can book a flight from Boston to Peoria, Illinois (average of $318). Flying from Boston to Peoria, Illinois in July is currently the most expensive (average of $436). 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 BOS to PIA?

Find hourly flight availability from Boston to Peoria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 20, 2025.

It’s optimal to fly from Boston to Peoria, Illinois in the afternoon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.

Rainfall in Peoria by month

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

In terms of precipitation, rainfall in Peoria, Illinois ranges from 1.8 - 4.3 inches per month. May is typically the wettest month, when rainfall can reach 4.3 in. January is typically the driest time to visit Peoria, Illinois when rainfall is around 1.8 in.

Temperature in Peoria by month

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

If weather is an important factor for your trip to Peoria, Illinois, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Peoria

Get insights into the airlines that provide service to Peoria. 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 Peoria. Reviews last updated June 20, 2025.
Get a feel of what it's like to fly with United Airlines, Allegiant Air and American Airlines from Boston to Peoria by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,821 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,821 reviews
United Airlines
7.4
Good
8,821 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Allegiant Air
7.3
Good
722 reviews
United Airlines
7.4
Good
8,821 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,821 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

  • What are the cheapest airlines flying from Boston to Peoria, Illinois round-trip?

    Flying on American Airlines is currently your cheapest option to Peoria, Illinois, with prices starting at $259. Additional round-trip tickets that might be worth considering are offered by United Airlines and Allegiant Air, with the lowest prices starting at $294 and $407, respectively. These flights start at 56% lower than the current average price 3 months from now.

  • Can I find deals for flights from Boston to Peoria that include hotel bookings?

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

  • How can I find direct flights from Boston to Peoria?

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

  • Can I find deals for business class flights from Boston to Peoria?

    Yes. Cheapflights offers flight deals from Boston to Peoria 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 Boston to Peoria, Illinois?

    Currently, August is the cheapest month in which you can book a flight from Boston to Peoria, Illinois (average of $318). Flying from Boston to Peoria, Illinois in July is currently the most expensive (average of $436). 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

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Alternative routes for Boston to Peoria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Boston to Peoria

Discover the top 2 airlines that operate flights from Boston to Peoria. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$306Average$406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$311Average$804FlexibilityNo cancel feeOn-time69%

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