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$252+ Cheap flights from Peoria, IL to Buffalo (PIA - BUF)

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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — BUF
May 31 — Jun 71
Sun 5/31
Sun 6/7
1 adult, Economy
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Cheap flight deals from Peoria to Buffalo

Cheapest flights from Peoria to Buffalo
Explore the most affordable flight options available from Peoria to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.

This American Airlines deal was found by Cheapflights users on 4/28. 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 6/267:11 pm
PIA
-
BUF
1 stop4h 27m
American Airlines
Mon 6/296:00 am
BUF
-
PIA
1 stop4h 23m
American Airlines
Deal found 4/28$329
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/1310:45 am
PIA
-
BUF
1 stop5h 09m
United Airlines
Sun 5/177:00 am
BUF
-
PIA
1 stop4h 04m
United Airlines
Deal found 4/28$339
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 6/47:11 pm
PIA
-
BUF
1 stop4h 27m
American Airlines
Sun 6/76:00 am
BUF
-
PIA
1 stop4h 14m
American Airlines
Deal found 4/30$349
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/271:21 pm
PIA
-
BUF
1 stop6h 42m
United Airlines
Sat 5/307:00 am
BUF
-
PIA
1 stop6h 37m
United Airlines
Deal found 4/30$389
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/82:50 pm
PIA
-
BUF
1 stop5h 11m
United Airlines
Sun 5/101:57 pm
BUF
-
PIA
1 stop6h 02m
United Airlines
Deal found 4/30$399
This United Airlines deal was found by Cheapflights users on 4/27. 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 6/41:21 pm
PIA
-
BUF
1 stop6h 42m
United Airlines
Sun 6/76:00 am
BUF
-
PIA
2 stops8h 57m
United Airlines
Deal found 4/27$414

Find flight deals from Peoria to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Buffalo (BUF). 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 May 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

One-way from

$252
(Kiwi.com)
Provider with most accurate pricing for Greater Peoria-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Buffalo flights.
Search Deals
From Greater Peoria to Buffalo
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One-way flight from Greater Peoria to Buffalo
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to Buffalo 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 May 1, 2026.
Use the filters below to find and compare flights from Peoria to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

Wed 5/13

10:45 am-4:54 pm

1 stop5h 09m

Buffalo

Sun 5/17

7:00 am-10:04 am

1 stop4h 04m

$339
Quickest round-trip

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

Thu 6/4

7:11 pm-12:38 am

1 stop4h 27m

Buffalo

Sun 6/7

6:00 am-9:14 am

1 stop4h 14m

$349

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

Wed 5/27

1:21 pm-9:03 pm

1 stop6h 42m

Buffalo

Sat 5/30

7:00 am-12:37 pm

1 stop6h 37m

$389

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

Fri 5/29

10:45 am-4:46 pm

1 stop5h 01m

Buffalo

Mon 6/1

5:52 pm-10:45 pm

1 stop5h 53m

$389
Cheapest one-way

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

Thu 6/25

9:31 am-1:55 pm

3 stops27h 24m

$289
Quickest one-way

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

Tue 5/19

10:45 am-4:54 pm

1 stop5h 09m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Sorted by cheapest first

Compare providers for flights from Peoria to Buffalo

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 Peoria to Buffalo in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*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 Peoria, Illinois-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Peoria, Illinois-Buffalo flights, Cheapflights users trust FlightHub the most. FlightHub 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 Peoria, Illinois-Buffalo 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 Peoria to Buffalo

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

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated May 1, 2026.
See what other customers who have flown with United Airlines and American Airlines from Peoria to Buffalo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,675 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,675 reviews
United Airlines
7.4
Good
9,675 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,684 reviews
United Airlines
7.4
Good
9,675 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Peoria to Buffalo. 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 Peoria, Illinois to Buffalo?

    For as low as $349, United Airlines can have you in Buffalo from Peoria, Illinois in 4h 27m. The distance between Peoria, Illinois and Buffalo is about 585 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    American Airlines, at $248, was found to be the cheapest airline from Peoria, Illinois to Buffalo. An alternate airline flying to your destination would be United Airlines.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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Top 2 airlines flying from Peoria to Buffalo

Discover the top 2 airlines that operate flights from Peoria to Buffalo. 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 May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$303FlexibilityNo cancel feeOn-time69%

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