Cheap Flights from Chicago, IL to Buffalo, NY from $80

Return flight: Buffalo – Chicago

On Cheapflightsplus.com you will find 13 direct and 284 connecting flights from Chicago to Buffalo. You can compare airfare deals from 4 airlines and multiple travel sites from $80, book and save on cheap plane tickets and last minute offers. Also check out CHI-BUF flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Chicago to Buffalo depends on and how to choose the most interesting flight option for you.

Distance between Chicago and Buffalo is 740 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 22:15 from 7 Chicago airports and arrive 05:00 to 22:15 to 1 Buffalo airport. Average flight time is 1h 44m.

  • The fastest flight 1h 39m
  • Average flight time 1h 44m
  • The earliest flight 05:00
  • The latest flight 22:15
  • Distance 460 ml

The cheapest months to travel to Buffalo are october (from 80 $), december (from 80 $), january (from 82 $).

The most expensive months are november (from 187 $), july (from 109 $), august (from 103 $).

What is the lowest airfare Chicago to Buffalo?

The cheapest plane ticket found by our users is $80. This airfare is for economy class on one-way F93044 flight by Frontier Airlines for October 31, 2025 which leaves O'Hare International in Chicago at 16:56 am and arrives at Buffalo Niagara at 07:51.

Economy class
$80
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Business class
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First class
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Flight Schedule Chicago (Illinois) to Buffalo (New York)

06:00 — 16:19
9h 19m flight time
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from$89
06:00 — 08:02 Chicago — Denver
F91483 Frontier Airlines
3h 19m stop
11:13 — 16:29 Denver — Buffalo
F92752 Frontier Airlines
07:10 — 09:53
1h 43m flight time
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from$138
Chicago — Buffalo
UA352 United Airlines
07:10 — 09:56
1h 46m flight time
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from$153
Chicago — Buffalo
UA4440 United Airlines
07:15 — 09:54
1h 39m flight time
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from$137
Chicago — Buffalo
UA2038 United Airlines
07:15 — 09:58
1h 43m flight time
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from$137
Chicago — Buffalo
UA3508 United Airlines
08:00 — 18:16
9h 16m flight time
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from$96
08:00 — 11:48 Chicago — Orlando
F92792 Frontier Airlines
3h 44m stop
15:32 — 18:16 Orlando — Buffalo
F91692 Frontier Airlines
10:35 — 13:22
1h 47m flight time
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from$138
Chicago — Buffalo
UA4382 United Airlines
10:35 — 13:21
1h 46m flight time
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from$153
Chicago — Buffalo
UA4410 United Airlines
14:08 — 16:52
1h 44m flight time
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from$138
Chicago — Buffalo
UA1872 United Airlines
14:10 — 16:55
1h 45m flight time
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from$137
Chicago — Buffalo
UA1448 United Airlines
14:44 — 13:15+1day
21h 31m flight time
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from$94
14:44 — 16:33 Chicago — Denver
F92209 Frontier Airlines
15h 31m stop
11:13 — 16:29 Denver — Buffalo
F92752 Frontier Airlines
16:06 — 15:47+1day
22h 41m flight time
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from$94
16:11 — 19:54 Chicago — Tampa
F91186 Frontier Airlines
17h 6m stop
15:25 — 18:17 Tampa — Buffalo
F91244 Frontier Airlines
16:56 — 07:51+1day
13h 55m flight time
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from$80
10:59 — 14:54 Chicago — Orlando
F93044 Frontier Airlines
8h 6m stop
07:05 — 09:52 Orlando — Buffalo
F93262 Frontier Airlines
18:20 — 21:01
1h 41m flight time
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from$137
Chicago — Buffalo
UA1335 United Airlines
19:45 — 22:28
1h 43m flight time
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from$155
Chicago — Buffalo
UA1695 United Airlines
Full flight schedule will help you in detecting at what time planes fly from Chicago to Buffalo. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 24, 2025.

Popular Airlines on the Route

The flight Chicago — Buffalo is served by 4 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 12 departures per week at the price of from $ 80 . And the most expensive tickets are offered by United Airlines airline - from $ 904.

Direct flights

There are 13 nonstop flights on the route. The fastest direct flight is UA2038 by United Airlines takes 1h 39m and the cheapest is F93044 by Frontier Airlines for $137.

  • UA - United Airlines
    from $137
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Connecting Flights

There are 284 flights with layovers on the route. The fastest connecting flight is UA2029 by United Airlines takes 4h 16m and the cheapest is F93044 by Frontier Airlines for $80.

  • F9 - Frontier Airlines
    from $80
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  • SY - Sun Country Airlines
    from $134
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  • UA - United Airlines
    from $201
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  • NK - Spirit Airlines
    from $213
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Airports

You can fly from Chicago to Buffalo from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

  • O'Hare International-ORD
    from $80
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  • Midway-MDW
    from $94
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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Buffalo airports

  • Niagara-BUF
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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