HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$249+ Cheap flights from Peoria, IL to Buffalo (PIA - BUF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — BUF
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 septiembre 11, 2025.

Round-trip from

$249
(United Airlines)

Popular in

November

Cheapest in

January

Average price

$328
From Greater Peoria to Buffalo
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
sáb. 11/81:20 pmPIA - BUF
1 stop6h 40mUnited Airlines
sáb. 11/157:00 amBUF - PIA
1 stop4h 16mUnited Airlines
Deal found 9/11$249
This American Airlines deal was found by Cheapflights users on 9/10. 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.
sáb. 11/81:20 pmPIA - BUF
2 stops9h 48mAmerican Airlines
sáb. 11/156:32 amBUF - PIA
2 stops10h 15mAmerican Airlines
Deal found 9/10$259
This United Airlines deal was found by Cheapflights users on 9/11. 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.
sáb. 11/81:20 pmPIA - BUF
1 stop6h 40mUnited Airlines
dom. 11/167:00 amBUF - PIA
1 stop4h 16mUnited Airlines
Deal found 9/11$273
This American Airlines deal was found by Cheapflights users on 9/11. 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.
sáb. 11/81:20 pmPIA - BUF
2 stops9h 48mAmerican Airlines
dom. 11/165:03 pmBUF - PIA
1 stop6h 41mAmerican Airlines
Deal found 9/11$284
This American Airlines deal was found by Cheapflights users on 9/10. 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.
sáb. 11/16:00 amPIA - BUF
1 stop16h 35mAmerican Airlines
sáb. 11/83:04 pmBUF - PIA
1 stop9h 45mAmerican Airlines
Deal found 9/10$285
This American Airlines deal was found by Cheapflights users on 9/11. 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.
sáb. 11/151:20 pmPIA - BUF
2 stops9h 16mAmerican Airlines
sáb. 11/224:40 pmBUF - PIA
2 stops8h 26mAmerican Airlines
Deal found 9/11$311
This United Airlines deal was found by Cheapflights users on 9/10. 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.
sáb. 11/11:20 pmPIA - BUF
1 stop6h 40mUnited Airlines
sáb. 11/87:00 amBUF - PIA
1 stop4h 16mUnited Airlines
Deal found 9/10$319
This United Airlines deal was found by Cheapflights users on 9/9. 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.
vie. 10/311:20 pmPIA - BUF
2 stops8h 38mUnited Airlines
mar. 11/46:00 amBUF - PIA
2 stops7h 39mUnited Airlines
Deal found 9/9$321
This United Airlines deal was found by Cheapflights users on 9/11. 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.
vie. 9/1210:49 amPIA - BUF
1 stop5h 03mUnited Airlines
dom. 9/147:05 amBUF - PIA
1 stop4h 08mUnited Airlines
Deal found 9/11$339

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 septiembre 11, 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

sáb. 11/8

1:20 pm-9:00 pm

1 stop6h 40m

Buffalo

sáb. 11/15

7:00 am-10:16 am

1 stop4h 16m

$249

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

vie. 11/7

5:15 pm-11:26 pm

1 stop5h 11m

Buffalo

sáb. 11/15

5:38 pm-11:06 pm

1 stop6h 28m

$249

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

sáb. 11/15

6:35 pm-12:08 am

1 stop4h 33m

Buffalo

sáb. 11/22

7:13 pm-12:06 am

1 stop5h 53m

$249

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

vie. 10/31

9:57 am-4:58 pm

1 stop6h 01m

Buffalo

mar. 11/4

6:33 pm-11:28 pm

1 stop5h 55m

$249

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

sáb. 11/8

1:20 pm-10:39 pm

1 stop8h 19m

Buffalo

sáb. 11/15

7:12 pm-12:06 am

1 stop5h 54m

$249

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

sáb. 12/6

1:15 pm-11:34 pm

2 stops9h 19m

Buffalo

mar. 12/9

7:00 am-10:09 am

1 stop4h 09m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 septiembre 11, 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 septiembre 11, 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
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

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
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

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.

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

    For as low as $249, United Airlines can have you in Buffalo from Peoria, Illinois in 5h 11m. 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?

    United Airlines, at $224, 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 33% 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
Lockport
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Peoria to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Newark flights
Midway to LaGuardia flights
Midway to John F Kennedy Intl flights
St. Louis to John F Kennedy Intl flights
St. Louis to LaGuardia flights
Midway to Newark flights
St. Louis to Newark flights
O'Hare Intl to Buffalo flights
O'Hare Intl to Syracuse flights
O'Hare Intl to Albany flights
O'Hare Intl to Rochester flights
O'Hare Intl to White Plains flights
Midway to Buffalo flights
Midway to White Plains flights
Midway to Rochester flights
Midway to Syracuse flights
O'Hare Intl to Islip flights
O'Hare Intl to Ithaca flights
Peoria to Newark flights
Midway to Albany flights
Moline to Newark flights
Moline to John F Kennedy Intl flights
Moline to LaGuardia flights
St. Louis to Syracuse flights
St. Louis to Buffalo flights
Peoria to LaGuardia flights
St. Louis to Albany flights
O'Hare Intl to Elmira flights
O'Hare Intl to Stewart flights
St. Louis to Rochester flights
St. Louis to White Plains flights
Champaign to LaGuardia flights
Peoria to John F Kennedy Intl flights
Bloomington to Newark flights
Bloomington to John F Kennedy Intl flights
Evansville to John F Kennedy Intl flights
Champaign to John F Kennedy Intl flights
Champaign to Newark flights
Evansville to LaGuardia flights
Peoria to Albany flights
Moline to Rochester flights
Evansville to Newark flights
St. Louis to Stewart flights
St. Louis to Ithaca flights
Bloomington to LaGuardia flights
Midway to Ithaca flights

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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$224Average$318FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$283FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.