Cheap Flights from Chicago, IL to Buffalo, NY from $63

Return flight: Buffalo – Chicago

On Cheapflightsplus.com you will find 10 direct and 206 connecting flights from Chicago to Buffalo. You can compare airfare deals from 4 airlines and multiple travel sites from $63, 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.

Find One-Way and Round-Trip Chicago to Buffalo Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $63 (one-way), $108 (round-trip).
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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 Arrival Flight Details Flight Duration Price
07:10 — 09:53
07:10 — 09:53 UA352 United Airlines
Chicago — Buffalo
1h 43m
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from$108
07:15 — 09:54
07:15 — 09:54 UA2038 United Airlines
Chicago — Buffalo
1h 39m
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from$108
07:15 — 09:58
07:15 — 09:58 UA3508 United Airlines
Chicago — Buffalo
1h 43m
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from$108
10:35 — 13:22
10:35 — 13:22 UA4382 United Airlines
Chicago — Buffalo
1h 47m
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from$108
10:35 — 13:21
10:35 — 13:21 UA4411 United Airlines
Chicago — Buffalo
1h 46m
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from$162
10:35 — 13:21
10:35 — 13:21 UA4426 United Airlines
Chicago — Buffalo
1h 46m
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from$164
14:08 — 16:52
14:08 — 16:52 UA1872 United Airlines
Chicago — Buffalo
1h 44m
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from$108
14:10 — 16:55
14:10 — 16:55 UA1448 United Airlines
Chicago — Buffalo
1h 45m
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from$108
18:20 — 21:01
18:20 — 21:01 UA1335 United Airlines
Chicago — Buffalo
1h 41m
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from$108
19:45 — 22:28
19:45 — 22:28 UA1695 United Airlines
Chicago — Buffalo
1h 43m
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from$122
06:00 — 23:38
06:00 — 09:13 UA1658 United Airlines
Chicago — Newark
12h 49m stop
21:59 — 23:38 UA225 United Airlines
Newark — Buffalo
16h 38m
including layover
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from$158
06:45 — 10:56
+1 day
06:10 — 07:50 SY1630 Sun Country Airlines
Chicago — Minneapolis
23h 29m stop
07:48 — 10:50 SY1057 Sun Country Airlines
Minneapolis — Buffalo
27h 11m
including layover
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from$105
07:05 — 16:16
18:16 — 22:02 F91416 Frontier Airlines
Chicago — Tampa
2h 28m stop
15:25 — 18:17 F91244 Frontier Airlines
Tampa — Buffalo
8h 11m
including layover
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from$81
08:00 — 18:16
08:00 — 11:48 F92792 Frontier Airlines
Chicago — Orlando
3h 44m stop
15:32 — 18:16 F91692 Frontier Airlines
Orlando — Buffalo
9h 16m
including layover
Find flight
from$75
08:35 — 07:47
+1 day
08:35 — 12:20 F91458 Frontier Airlines
Chicago — Orlando
16h 45m stop
06:10 — 08:52 F93262 Frontier Airlines
Orlando — Buffalo
22h 12m
including layover
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from$89
09:00 — 15:05
09:00 — 12:17 UA1578 United Airlines
Chicago — Newark
1h 23m stop
13:40 — 15:05 UA4392 United Airlines
Newark — Buffalo
5h 5m
including layover
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from$176
09:00 — 21:36
09:00 — 12:17 UA1578 United Airlines
Chicago — Newark
7h 38m stop
19:55 — 21:36 UA4398 United Airlines
Newark — Buffalo
11h 36m
including layover
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from$180
11:32 — 20:08
11:32 — 14:37 F93352 Frontier Airlines
Chicago — Raleigh
3h 54m stop
18:59 — 20:37 F92980 Frontier Airlines
Raleigh — Buffalo
7h 36m
including layover
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from$81
12:22 — 18:28
11:46 — 15:12 UA1205 United Airlines
Chicago — Newark
1h 7m stop
16:55 — 18:28 UA4547 United Airlines
Newark — Buffalo
5h 6m
including layover
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from$176
12:50 — 19:01
12:50 — 15:52 UA1377 United Airlines
Chicago — Washington D.C.
1h 48m stop
17:40 — 19:01 UA3671 United Airlines
Washington D.C. — Buffalo
5h 11m
including layover
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from$168
13:05 — 18:56
13:05 — 16:10 UA2337 United Airlines
Chicago — Washington D.C.
1h 15m stop
17:25 — 18:56 UA4823 United Airlines
Washington D.C. — Buffalo
4h 51m
including layover
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from$167
13:10 — 21:36
13:10 — 16:28 UA1332 United Airlines
Chicago — Newark
3h 27m stop
19:59 — 21:40 UA4398 United Airlines
Newark — Buffalo
7h 26m
including layover
Find flight
from$168
15:40 — 23:38
15:40 — 19:14 UA2133 United Airlines
Chicago — Newark
2h 45m stop
21:59 — 23:38 UA225 United Airlines
Newark — Buffalo
6h 58m
including layover
Find flight
from$173
15:45 — 21:40
15:45 — 19:12 UA362 United Airlines
Chicago — Newark
47m stop
19:59 — 21:40 UA4398 United Airlines
Newark — Buffalo
4h 55m
including layover
Find flight
from$177
16:37 — 07:47
+1 day
09:17 — 13:11 F92792 Frontier Airlines
Chicago — Orlando
8h 26m stop
05:05 — 07:51 F93262 Frontier Airlines
Orlando — Buffalo
14h 10m
including layover
Find flight
from$85
16:56 — 07:51
+1 day
10:59 — 14:54 F93044 Frontier Airlines
Chicago — Orlando
8h 6m stop
07:05 — 09:52 F93262 Frontier Airlines
Orlando — Buffalo
13h 55m
including layover
Find flight
from$63
17:55 — 23:59
17:55 — 20:55 UA2677 United Airlines
Chicago — Washington D.C.
1h 35m stop
22:30 — 23:59 UA6117 United Airlines
Washington D.C. — Buffalo
5h 4m
including layover
Find flight
from$168
17:56 — 23:44
17:56 — 20:55 UA2677 United Airlines
Chicago — Washington D.C.
1h 25m stop
22:20 — 23:44 UA4183 United Airlines
Washington D.C. — Buffalo
4h 48m
including layover
Find flight
from$167
19:35 — 15:05
+1 day
19:35 — 22:59 UA2362 United Airlines
Chicago — Newark
14h 41m stop
13:40 — 15:05 UA4392 United Airlines
Newark — Buffalo
18h 30m
including layover
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from$180
20:17 — 10:50
+1 day
20:17 — 21:57 SY262 Sun Country Airlines
Chicago — Minneapolis
9h 51m stop
07:48 — 10:50 SY1057 Sun Country Airlines
Minneapolis — Buffalo
13h 33m
including layover
Find flight
from$135
21:12 — 07:47
+1 day
21:12 — 00:57 F93854 Frontier Airlines
Chicago — Orlando
4h 2m stop
09:25 — 12:13 F93262 Frontier Airlines
Orlando — Buffalo
9h 35m
including layover
Find flight
from$84
11:50 — 10:50
+1 day
11:50 — 13:50 NK2620 Spirit Airlines
Chicago — Las Vegas
4h 34m stop
18:24 — 23:33 SY108 Sun Country Airlines
Las Vegas — Minneapolis
8h 15m stop
07:48 — 10:50 SY1057 Sun Country Airlines
Minneapolis — Buffalo
22h
including layover
Find flight
from$168
18:20 — 10:44
+1 day
18:20 — 20:53 NK1117 Spirit Airlines
Chicago — Los Angeles
3h 2m stop
23:55 — 05:36 SY430 Sun Country Airlines
Los Angeles — Minneapolis
2h 6m stop
07:48 — 10:50 SY1057 Sun Country Airlines
Minneapolis — Buffalo
15h 24m
including layover
Find flight
from$177
21:32 — 09:45
+1 day
21:30 — 00:59 UA1779 United Airlines
Chicago — Boston
4h 31m stop
05:30 — 07:04 UA1734 United Airlines
Boston — Washington D.C.
1h 21m stop
08:25 — 09:43 UA6261 United Airlines
Washington D.C. — Buffalo
11h 13m
including layover
Find flight
from$177
22:15 — 10:50
+2 days
22:15 — 00:19 NK2179 Spirit Airlines
Chicago — Las Vegas
23h 40m stop
23:59 — 05:06 SY778 Sun Country Airlines
Las Vegas — Minneapolis
2h 42m stop
07:48 — 10:50 SY1057 Sun Country Airlines
Minneapolis — Buffalo
35h 35m
including layover
Find flight
from$176
*Departure and arrival times - local. Updated on June 24, 2025

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 december (from 84 $), june (from 84 $), january (from 86 $).

The most expensive months are october (from 235 $), november (from 197 $), july (from 115 $).

What is the lowest airfare Chicago to Buffalo?

The cheapest plane ticket found by our users is $63. This airfare is for economy class on one-way F93044 flight by Frontier Airlines for June 27, 2025 which leaves O'Hare International in Chicago at 16:56 am and arrives at Buffalo Niagara at 07:51.

Economy class
$63
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Business class
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First class
?
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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 - 9 departures per week at the price of from $ 63 . And the most expensive tickets are offered by United Airlines airline - from $ 474.

Direct flights

There are 10 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 $108.

  • UA - United Airlines
    from $108
    Find
See more direct flights

Connecting Flights

There are 206 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 $63.

  • F9 - Frontier Airlines
    from $63
    Find
  • SY - Sun Country Airlines
    from $105
    Find
  • UA - United Airlines
    from $158
    Find
  • NK - Spirit Airlines
    from $168
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See more connecting flights

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 $63
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  • Midway-MDW
    from $84
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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
    Find
  • Chicago NAS-NOH
    Find

Buffalo airports

  • Niagara-BUF
    Find

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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