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Peoria

$165+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PIA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$259
(United Airlines)

One-way from

$165
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$313
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. 40% potential increase in price ($374 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/112:25 pmBOS - PIA
1 stop5h 15mUnited Airlines
Mon 11/105:18 pmPIA - BOS
1 stop6h 27mUnited Airlines
Deal found 9/15$259
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/305:00 amBOS - PIA
1 stop6h 08mAmerican Airlines
Sat 10/46:15 pmPIA - BOS
1 stop4h 38mAmerican Airlines
Deal found 9/15$289
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/46:00 amBOS - PIA
1 stop5h 13mUnited Airlines
Sat 10/116:55 amPIA - BOS
2 stops8h 27mUnited Airlines
Deal found 9/17$349
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/247:25 pmBOS - PIA
1 stop15h 02mAmerican Airlines
Sun 10/268:10 pmPIA - BOS
1 stop13h 13mAmerican Airlines
Deal found 9/16$350
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/26:00 amBOS - PIA
1 stop5h 13mUnited Airlines
Mon 10/65:20 pmPIA - BOS
1 stop6h 30mUnited Airlines
Deal found 9/16$359
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:49 pmBOS - PIA
2 stops21h 48mMultiple Airlines
Sun 10/265:23 pmPIA - BOS
1 stop16h 13mMultiple Airlines
Deal found 9/16$360
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/303:17 pmBOS - PIA
1 stop7h 58mUnited Airlines
Sat 10/48:10 amPIA - BOS
2 stops11h 21mUnited Airlines
Deal found 9/15$364
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/316:00 amBOS - PIA
1 stop7h 39mUnited Airlines
Fri 11/71:20 pmPIA - BOS
1 stop20h 14mUnited Airlines
Deal found 9/16$372

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 September 17, 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

Sat 11/1

6:00 am-2:33 pm

2 stops9h 33m

Greater Peoria

Mon 11/10

5:18 pm-12:45 am

1 stop6h 27m

$264

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Tue 9/30

5:00 am-10:08 am

1 stop6h 08m

Greater Peoria

Sat 10/4

6:15 pm-11:53 pm

1 stop4h 38m

$289

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Sat 10/4

6:00 am-10:13 am

1 stop5h 13m

Greater Peoria

Sat 10/11

6:55 am-4:22 pm

2 stops8h 27m

$349

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Fri 10/24

7:25 pm-9:27 am

1 stop15h 02m

Greater Peoria

Sun 10/26

8:10 pm-10:23 am

1 stop13h 13m

$350

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Thu 10/2

6:00 am-10:13 am

1 stop5h 13m

Greater Peoria

Mon 10/6

5:20 pm-12:50 am

1 stop6h 30m

$359

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Fri 10/31

6:00 am-12:39 pm

1 stop7h 39m

Greater Peoria

Fri 11/7

1:20 pm-10:34 am

1 stop20h 14m

$372

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Tue 9/30

4:25 pm-9:27 pm

1 stop6h 02m

Greater Peoria

Sat 10/4

3:56 pm-12:50 am

1 stop7h 54m

$392

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Thu 9/25

4:25 pm-9:27 pm

1 stop6h 02m

Greater Peoria

Sat 9/27

10:48 am-5:02 pm

1 stop5h 14m

$439

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Wed 10/29

6:17 am-10:22 am

2 stops29h 05m

$165

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Tue 9/30

3:00 pm-7:32 pm

2 stops29h 32m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 16 results
1
2

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 October is currently the most expensive (average of $421). 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 September 17, 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.

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 September 17, 2025.
Read through reviews of airlines operating flights from Boston to Peoria, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

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
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

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
8,926 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

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.

  • How long is the flight from Boston to Peoria, Illinois?

    There are many flights that can get you from Boston to Peoria, Illinois in 6h 08m. Fly via United Airlines or American Airlines to get the fastest option. There are 971 mi between Boston and Peoria, Illinois. This flight may include one or multiple stops.

  • 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 $258. Another option worth looking into is United Airlines, starting at $311 round trip. These flights start at 52% 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 October is currently the most expensive (average of $421). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$341FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$311Average$788FlexibilityNo cancel feeOn-time69%

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