Cheap Flights from Chicago to Buffalo
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Flights from Chicago to Buffalo
Cheapest airlines flights from Chicago to Buffalo
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Find cheap flights from Chicago to Buffalo
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
ORD 19:301h 45mNonstopBUF 22:15Chicago - Buffalo | Tue, Jul 22 | American Airlines
BUF 07:001h 56mNonstopORD 07:56Buffalo - Chicago | Wed, Jul 23 | United AirlinesUS$115 US$15727% OFF27% OFFUS$157 US$115 -
MDW 22:001h 25mNonstopBUF 00:25Chicago - Buffalo | Mon, Aug 4 | Southwest Airlines
BUF 18:451h 40mNonstopMDW 19:25Buffalo - Chicago | Tue, Aug 5 | Southwest AirlinesUS$124 US$15721% OFF21% OFFUS$157 US$124 -
ORD 19:251h 43mNonstopBUF 22:08Chicago - Buffalo | Mon, Aug 4 | American Airlines
BUF 06:251h 55mNonstopORD 07:20Buffalo - Chicago | Wed, Aug 6 | American AirlinesUS$126 US$15720% OFF20% OFFUS$157 US$126
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ORD 16:551h 33mNonstopBUF 19:28Chicago - Buffalo | Tue, Jun 24 | American Airlines
BUF 08:001h 59mNonstopORD 08:59Buffalo - Chicago | Thu, Jun 26 | American AirlinesUS$12918% OFFUS$157 US$129
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ORD 08:241h 40mNonstopBUF 11:04Chicago - Buffalo | Thu, Aug 7 | American Airlines
BUF 17:402h 1mNonstopORD 18:41Buffalo - Chicago | Mon, Aug 11 | American AirlinesUS$12918% OFFUS$157 US$129
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MDW 21:001h 30mNonstopBUF 23:30Chicago - Buffalo | Thu, Aug 7 | Southwest Airlines
BUF 06:101h 35mNonstopMDW 06:45Buffalo - Chicago | Mon, Aug 11 | Southwest AirlinesUS$13017% OFFUS$157 US$130
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ORD 18:201h 41mNonstopBUF 21:01Chicago - Buffalo | Tue, Jul 22 | United Airlines
BUF 10:501h 55mNonstopORD 11:45Buffalo - Chicago | Wed, Jul 23 | United AirlinesUS$13315% OFFUS$157 US$133 -
ORD 07:151h 39mNonstopBUF 09:54Chicago - Buffalo | Wed, Jul 23 | United Airlines
BUF 07:001h 56mNonstopORD 07:56Buffalo - Chicago | Tue, Jul 29 | United AirlinesUS$13415% OFFUS$157 US$134
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ORD 18:201h 41mNonstopBUF 21:01Chicago - Buffalo | Tue, Jun 24 | United Airlines
BUF 10:501h 55mNonstopORD 11:45Buffalo - Chicago | Thu, Jun 26 | United AirlinesUS$13614% OFFUS$157 US$136
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ORD 19:301h 45mNonstopBUF 22:15Chicago - Buffalo | Mon, Jul 21 | American Airlines
BUF 05:141h 52mNonstopORD 06:06Buffalo - Chicago | Mon, Jul 28 | American AirlinesUS$1458% OFFUS$157 US$145
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CHI 13:0017h 25m1 stopsBUF Invalid DateChicago - Buffalo | Thu, Jun 19 | Normal Airline
BUF 15:006hNonstopCHI 16:00Buffalo - Chicago | Sat, Jun 21 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
ORD 19:301h 45mNonstopBUF 22:15Chicago - Buffalo | Mon, Jul 21 | American AirlinesUS$48 US$7234% OFF34% OFFUS$72 US$48
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ORD 16:551h 33mNonstopBUF 19:28Chicago - Buffalo | Tue, Jul 1 | American AirlinesUS$49 US$7233% OFF33% OFFUS$72 US$49
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ORD 19:301h 45mNonstopBUF 22:15Chicago - Buffalo | Mon, Jul 14 | American AirlinesUS$49 US$7233% OFF33% OFFUS$72 US$49
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MDW 21:551h 25mNonstopBUF 00:20Chicago - Buffalo | Wed, Jun 18 | Southwest AirlinesUS$6116% OFFUS$72 US$61
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MDW 09:551h 35mNonstopBUF 12:30Chicago - Buffalo | Wed, Aug 6 | Southwest AirlinesUS$6313% OFFUS$72 US$63
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ORD 20:401h 50mNonstopBUF 23:30Chicago - Buffalo | Tue, Jun 24 | American AirlinesUS$6313% OFFUS$72 US$63
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ORD 20:001h 55mNonstopBUF 22:55Chicago - Buffalo | Sat, Aug 2 | American AirlinesUS$6313% OFFUS$72 US$63
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ORD 14:241h 39mNonstopBUF 17:03Chicago - Buffalo | Wed, Aug 6 | American AirlinesUS$6510% OFFUS$72 US$65
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ORD 07:151h 39mNonstopBUF 09:54Chicago - Buffalo | Mon, Jul 21 | United AirlinesUS$668% OFFUS$72 US$66
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ORD 19:101h 42mNonstopBUF 21:52Chicago - Buffalo | Mon, Aug 11 | American AirlinesUS$678% OFFUS$72 US$67
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CHI 13:0017h 25m1 stopsBUF Invalid DateChicago - Buffalo | Thu, Jun 19 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Chicago to Buffalo Flight Information
| Cheapest one-way flight price | $47 |
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| Cheapest round-trip ticket price | $114 |
| Off-season for travel | March |
| Peak season for travel | June |
| Flight distance | 740.49 km |
| Average flight time | 1 hour 39 minutes |
| Popular airline | United Airlines |
When is the cheapest time to book flights from Chicago to Buffalo?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Chicago (CHI) to Buffalo (BUF) the cheapest?
Airlines adjust prices for flights from Chicago to Buffalo based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Chicago (CHI) to Buffalo (BUF) cost?
According to Trip.com's data, the lowest price is around $297. -
How long does it take to fly from Chicago (CHI) to Buffalo (BUF) and what is the distance?
It takes around 1 hour 39 minutes to fly from Chicago (CHI) to Buffalo (BUF). -
What are the most popular airlines that fly from Chicago (CHI) to Buffalo (BUF)?
Airlines with flights from Chicago (CHI) to Buffalo (BUF): Alaska Airlines, American Airlines, Emirates, avianca, British Airways, Air Canada, Qatar Airways, Royal Jordanian, United Airlines and Gulf Air.
How to find a cheap flight from Chicago to Buffalo
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Buffalo. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest Chicago to Buffalo ticket.
Tap "Date" on flight search bar to scan through the calender for Chicago to Buffalo airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Mon, Jul 21 at US$48 for one-way flights.
Compare cheap Chicago to Buffalo flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Chicago to Buffalo. The cheapest airline operating is American Airlines.
Set up a Price Alert
By setting up a Price Alert for your Chicago to Buffalo route, you can easily track the price of your airline tickets from Chicago to Buffalo without manually checking every day.
Don't miss cheap Chicago to Buffalo flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Chicago to Buffalo to get exclusive deals for you.
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