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$319+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — BUF
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
dom. 12/281:20 pmPIA - BUF
1 stop6h 34mUnited Airlines
mié. 12/316:30 amBUF - PIA
1 stop6h 50mUnited Airlines
Deal found 12/11$663

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$319
(United Airlines)
Provider with most accurate pricing for Greater Peoria-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-Buffalo flights.
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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 diciembre 12, 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. 1/21

10:45 am-4:44 pm

1 stop4h 59m

Buffalo

sáb. 1/24

8:30 am-12:38 pm

1 stop5h 08m

$319

PeoriaBuffalo

PIA - BUF

PIABUF

Greater Peoria

dom. 12/28

1:20 pm-8:54 pm

1 stop6h 34m

Buffalo

mié. 12/31

6:30 am-12:20 pm

1 stop6h 50m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Peoria, Illinois-Buffalo flight deals on Cheapflights vs. eDreams >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 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 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.

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, June is the cheapest month in which you can book a flight from Peoria, Illinois to Buffalo (average of $221). Flying from Peoria, Illinois to Buffalo in November is currently the most expensive (average of $412). 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 diciembre 12, 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 diciembre 12, 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
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 $319, United Airlines can have you in Buffalo from Peoria, Illinois in 4h 59m. The distance between Peoria, Illinois and Buffalo is about 585 mi.

  • 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.

  • 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, June is the cheapest month in which you can book a flight from Peoria, Illinois to Buffalo (average of $221). Flying from Peoria, Illinois to Buffalo in November is currently the most expensive (average of $412). 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
Cheektowaga
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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$224Average$303FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$283FlexibilityNo cancel feeOn-time71%

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