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Peoria

$266+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PIA
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:30 am
BOS
-
PIA
1 stop7h 34m
United Airlines
Sat 5/92:50 pm
PIA
-
BOS
1 stop6h 09m
United Airlines
Deal found 1/18$320
This United Airlines deal was found by Cheapflights users on 1/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:25 pm
BOS
-
PIA
1 stop5h 51m
United Airlines
Fri 6/55:20 pm
PIA
-
BOS
1 stop6h 49m
United Airlines
Deal found 1/18$332
This United Airlines deal was found by Cheapflights users on 1/17. 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 2/76:00 am
BOS
-
PIA
1 stop5h 10m
United Airlines
Tue 2/103:00 pm
PIA
-
BOS
1 stop5h 38m
United Airlines
Deal found 1/17$349
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 3/1412:20 pm
BOS
-
PIA
1 stop12h 05m
American Airlines
Mon 3/236:50 pm
PIA
-
BOS
1 stop14h 04m
American Airlines
Deal found 1/18$358
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/66:00 am
BOS
-
PIA
1 stop5h 10m
United Airlines
Sun 2/86:30 am
PIA
-
BOS
1 stop5h 16m
United Airlines
Deal found 1/20$379

Find 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 January 20, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$349
(United Airlines)

One-way from

$266
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$258
Provider with most accurate pricing for Boston Logan Intl-Greater Peoria flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Greater Peoria flights.
Search Deals
From Boston Logan Intl to Greater Peoria
Search Deals
One-way flight from Boston Logan Intl to Greater Peoria
Search Deals
Highest demand for flights based on searches. 35% potential increase in price ($225 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 20, 2026.
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 2/7

6:00 am-10:10 am

1 stop5h 10m

Greater Peoria

Tue 2/10

3:00 pm-9:38 pm

1 stop5h 38m

$349

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Sat 3/14

12:20 pm-11:25 pm

1 stop12h 05m

Greater Peoria

Mon 3/23

6:50 pm-9:54 am

1 stop14h 04m

$358

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Fri 2/6

6:00 am-10:10 am

1 stop5h 10m

Greater Peoria

Sun 2/8

6:30 am-12:46 pm

1 stop5h 16m

$379

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Sat 2/7

4:49 pm-9:39 pm

1 stop5h 50m

Greater Peoria

Mon 2/9

1:24 pm-9:52 pm

2 stops7h 28m

$384

BostonPeoria

BOS - PIA

BOSPIA

Boston Logan Intl

Tue 4/7

12:30 pm-9:08 pm

1 stop9h 38m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Compare providers for flights from Boston to Peoria

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Peoria in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Peoria, Illinois flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Peoria, Illinois flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Peoria, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Peoria, Illinois flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Peoria, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, September is the cheapest month in which you can book a flight from Boston to Peoria, Illinois (average of $178). Flying from Boston to Peoria, Illinois in February is currently the most expensive (average of $558). 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.

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 January 20, 2026.
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
9,180 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,180 reviews
United Airlines
7.4
Good
9,180 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,164 reviews
United Airlines
7.4
Good
9,180 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 5h 10m. 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 $258 round trip. These flights start at 38% 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, September is the cheapest month in which you can book a flight from Boston to Peoria, Illinois (average of $178). Flying from Boston to Peoria, Illinois in February is currently the most expensive (average of $558). 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

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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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$458FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$336FlexibilityNo cancel feeOn-time71%

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