$334+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — BUF
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Peoria to BuffaloExplore 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 October 30, 2026.
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 October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 12/285:00 am -
1 stop4h 17m
Mon 1/411:10 am -
1 stop6h 39m
Deal found 10/25![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/215:37 pm -
1 stop5h 20m
Fri 11/277:00 am -
2 stops11h 07m
Deal found 10/26![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/126:02 am -
1 stop3h 46m
Mon 11/166:46 pm -
1 stop6h 17m
Deal found 10/28![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/102:35 pm -
1 stop5h 01m
Sat 11/141:53 pm -
1 stop3h 54m
Deal found 10/26![United Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 10/25. 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 12/195:19 pm -
1 stop5h 34m
Sun 12/207:03 am -
1 stop9h 33m
Deal found 10/25![American Airlines logo]()
$627
Best flights from Peoria to BuffaloDiscover carefully curated flight deals from Peoria to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Peoria to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 12/285:00 am -
1 stop4h 17m
Mon 1/411:10 am -
1 stop6h 39m
Deal found 10/25![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/29. 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 1/69:00 am -
1 stop6h 51m
Sat 1/96:30 am -
1 stop4h 35m
Deal found 10/29![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/126:02 am -
1 stop3h 46m
Mon 11/166:46 pm -
1 stop6h 17m
Deal found 10/28![American Airlines logo]()
$369
Last-minute flights from Peoria to BuffaloDiscover last-minute flight deals from Peoria to Buffalo. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to Buffalo. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/102:35 pm -
1 stop5h 01m
Sat 11/141:53 pm -
1 stop3h 54m
Deal found 10/26![United Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/126:02 am -
1 stop3h 46m
Mon 11/166:46 pm -
1 stop6h 17m
Deal found 10/28![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/215:37 pm -
1 stop5h 20m
Fri 11/277:00 am -
2 stops11h 07m
Deal found 10/26![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 11/228:15 am -
1 stop4h 02m
Mon 11/306:30 am -
1 stop4h 38m
Deal found 10/29![United Airlines logo]()
$658
One-way flights from Peoria to BuffaloSearch for one-way flight options from Peoria to Buffalo. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Peoria to Buffalo. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/212:35 pm -
1 stop5h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/1310:43 am -
1 stop5h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 11/1410:43 am -
3 stops12h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$704
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (American Airlines) |
One-way from | $334 (United Airlines) |
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 7,457,451 searches. Data last updated October 30, 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
Cheapest round-trip
Quickest round-trip
PeoriaBuffalo
PIA Greater Peoria - BUF Buffalo
PIABUF
Greater Peoria
Sat 11/21
2:35 pm-8:51 pm
1 stop5h 16m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$334
PeoriaBuffalo
PIA Greater Peoria - BUF Buffalo
PIABUF
Greater Peoria
Mon 12/28
5:00 am-10:17 am
1 stop4h 17m
Buffalo
Mon 1/4
11:10 am-4:49 pm
1 stop6h 39m
$339
PeoriaBuffalo
PIA Greater Peoria - BUF Buffalo
PIABUF
Greater Peoria
Fri 11/13
10:43 am-5:02 pm
1 stop5h 19m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$369
PeoriaBuffalo
PIA Greater Peoria - BUF Buffalo
PIABUF
Greater Peoria
Thu 11/12
6:02 am-10:48 am
1 stop3h 46m
Buffalo
Mon 11/16
6:46 pm-12:03 am
1 stop6h 17m
$369
PeoriaBuffalo
PIA Greater Peoria - BUF Buffalo
PIABUF
Greater Peoria
Sat 11/14
8:15 am-7:04 pm
2 stops9h 49m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$374
PeoriaBuffalo
PIA Greater Peoria - BUF Buffalo
PIABUF
Greater Peoria
Wed 1/6
9:00 am-4:51 pm
1 stop6h 51m
Buffalo
Sat 1/9
6:30 am-10:05 am
1 stop4h 35m
$439
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
PIA-BUF
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.
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.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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