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$239+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — BUF
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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Cheap 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 julio 29, 2025.

Round-trip from

$249
(United Airlines)

One-way from

$239
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$338
From Greater Peoria to Buffalo
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One-way flight from Greater Peoria to Buffalo
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Highest demand for flights based on searches. 19% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 julio 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
mié. 8/203:55 pmPIA - BUF
1 stop4h 21mUnited Airlines
sáb. 8/235:54 pmBUF - PIA
1 stop3h 58mUnited Airlines
Deal found 7/28$249
This American Airlines deal was found by Cheapflights users on 7/28. 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.
mié. 8/206:00 amPIA - BUF
1 stop4h 04mAmerican Airlines
sáb. 8/236:29 amBUF - PIA
2 stops10h 14mAmerican Airlines
Deal found 7/28$254

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 julio 29, 2025.
Use the filters below to find and compare flights from Peoria to Buffalo that are best for you.

Fly from

Peoria

Fly to

Buffalo

Route

Depart

Return

Price

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

mié. 8/20

3:55 pm-9:16 pm

1 stop4h 21m

Buffalo

sáb. 8/23

5:54 pm-8:52 pm

1 stop3h 58m

$249

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

mié. 8/20

6:00 am-11:04 am

1 stop4h 04m

Buffalo

sáb. 8/23

6:29 am-3:43 pm

2 stops10h 14m

$254

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

jue. 9/4

3:34 pm-9:53 pm

1 stop5h 19m

$239

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

sáb. 9/20

10:49 am-4:52 pm

1 stop5h 03m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Cheapflights Insights

Everything you need to know about your flight from Peoria to Buffalo

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

Currently, January is the cheapest month in which you can book a flight from Peoria, Illinois to Buffalo (average of $256). Flying from Peoria, Illinois to Buffalo in December is currently the most expensive (average of $337). 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 PIA to BUF?

Find hourly flight availability from Peoria to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 29, 2025.

When flying from Peoria, Illinois to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 24% versus a flight in the morning.

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 julio 29, 2025.
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
8,896 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

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
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

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
8,896 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

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 Peoria to Buffalo. 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 Peoria, Illinois to Buffalo round-trip?

    United Airlines, at $249, was found to be the cheapest airline from Peoria, Illinois to Buffalo. An alternate airline flying to your destination would be American Airlines. You may be able to fly from Peoria, Illinois to Buffalo for 31% less than the average price by searching for these 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.

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

    Currently, January is the cheapest month in which you can book a flight from Peoria, Illinois to Buffalo (average of $256). Flying from Peoria, Illinois to Buffalo in December is currently the most expensive (average of $337). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Orchard Park
Batavia
Williamsville
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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$198Average$249FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$303FlexibilityNo cancel feeOn-time71%

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