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

Return flight: Chicago – Buffalo
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On Cheapflightsplus.com you will find 7 direct and 187 connecting flights from Buffalo to Chicago. You can compare airfare deals from 3 airlines and multiple travel sites from $63, book and save on cheap plane tickets and last minute offers. Also check out BUF-CHI flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Buffalo to Chicago 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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Best Flights from Buffalo to Chicago Today

Take a look at the list of non stop flights and flights with layovers from Buffalo to Chicago with the lowest price of $63. The fastest direct flight takes 1h 53m and the fastest connecting – 4h 15m.
Price Departure Arrival Flight Duration Airline Flight
from $108
Find flight
10:50
Buffalo
Niagara
 11:45
Chicago
O'Hare International
 1h 55m United Airlines
UA606
from $108
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14:00
Buffalo
Niagara
 14:55
Chicago
O'Hare International
 1h 55m United Airlines
UA5230
from $108
Find flight
10:50
Buffalo
Niagara
 11:46
Chicago
O'Hare International
 1h 56m United Airlines
UA2337
from $108
Find flight
17:54
Buffalo
Niagara
 18:50
Chicago
O'Hare International
 1h 56m United Airlines
UA630
from $108
Find flight
13:57
Buffalo
Niagara
 14:55
Chicago
O'Hare International
 1h 58m United Airlines
UA4381
from $108
Find flight
10:50
Buffalo
Niagara
 11:50
Chicago
O'Hare International
 2h 0m United Airlines
UA3440
from $142
Find flight
07:00
Buffalo
Niagara
 07:53
Chicago
O'Hare International
 1h 53m United Airlines
UA329
from $63
Find flight
16:32
Buffalo
Niagara
 22:29
Chicago
O'Hare International
 6h 57m
layover
1h 8m - Tampa
 Frontier Airlines
F91243
F92317
from $65
Find flight
08:50
Buffalo
Niagara
 15:06
Chicago
Midway
 7h 16m
layover
1h 32m - Orlando
 Frontier Airlines
F91691
F93853
from $79
Find flight
19:11
Buffalo
Niagara
 07:39+1 день
Chicago
Midway
 13h 28m
layover
7h 45m - Orlando
 Frontier Airlines
F91351
F93853
from $81
Find flight
09:56
Buffalo
Niagara
 16:40
Chicago
O'Hare International
 7h 44m
layover
3h 33m - Raleigh
 Frontier Airlines
F92979
F93351
from $81
Find flight
21:37
Buffalo
Niagara
 07:09+1 день
Chicago
O'Hare International
 10h 32m
layover
4h 37m - Orlando
 Frontier Airlines
F93261
F93043
from $88
Find flight
21:37
Buffalo
Niagara
 15:06+1 день
Chicago
Midway
 18h 29m
layover
12h 42m - Orlando
 Frontier Airlines
F93261
F93853
from $117
Find flight
11:41
Buffalo
Niagara
 15:45
Chicago
O'Hare International
 5h 4m
layover
1h 12m - Minneapolis
 Sun Country Airlines
SY1058
SY259
from $159
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06:00
Buffalo
Niagara
 23:37
Chicago
O'Hare International
 18h 37m
layover
14h 33m - Newark
 United Airlines
UA2357
UA1308
from $166
Find flight
19:51
Buffalo
Niagara
 23:15
Chicago
O'Hare International
 4h 24m
layover
1h 0m - Washington D.C.
 United Airlines
UA4172
UA1738
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 24, 2025
Full flight schedule will help you in detecting at what time planes fly from Buffalo to Chicago. 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
07:00 — 07:53
07:00 — 07:53 UA329 United Airlines
Buffalo — Chicago
1h 53m
Find flight
from$142
10:50 — 11:45
10:50 — 11:45 UA606 United Airlines
Buffalo — Chicago
1h 55m
Find flight
from$108
10:50 — 11:46
10:50 — 11:46 UA2337 United Airlines
Buffalo — Chicago
1h 56m
Find flight
from$108
10:50 — 11:50
10:50 — 11:50 UA3440 United Airlines
Buffalo — Chicago
2h
Find flight
from$108
13:57 — 14:55
13:57 — 14:55 UA4381 United Airlines
Buffalo — Chicago
1h 58m
Find flight
from$108
14:00 — 14:55
14:00 — 14:55 UA5230 United Airlines
Buffalo — Chicago
1h 55m
Find flight
from$108
17:54 — 18:50
17:54 — 18:50 UA630 United Airlines
Buffalo — Chicago
1h 56m
Find flight
from$108
06:00 — 23:37
06:00 — 07:22 UA2357 United Airlines
Buffalo — Newark
14h 33m stop
21:55 — 23:37 UA1308 United Airlines
Newark — Chicago
18h 37m
including layover
Find flight
from$159
06:00 — 09:43
06:00 — 07:14 UA4169 United Airlines
Buffalo — Washington D.C.
1h 16m stop
08:30 — 09:43 UA2440 United Airlines
Washington D.C. — Chicago
4h 43m
including layover
Find flight
from$167
08:50 — 15:06
08:50 — 11:32 F91691 Frontier Airlines
Buffalo — Orlando
1h 32m stop
18:20 — 20:17 F93853 Frontier Airlines
Orlando — Chicago
7h 16m
including layover
Find flight
from$65
09:56 — 16:40
09:51 — 11:34 F92979 Frontier Airlines
Buffalo — Raleigh
3h 33m stop
15:38 — 17:08 F93351 Frontier Airlines
Raleigh — Chicago
7h 44m
including layover
Find flight
from$81
11:41 — 15:45
11:47 — 13:00 SY1058 Sun Country Airlines
Buffalo — Minneapolis
1h 12m stop
15:36 — 17:15 SY259 Sun Country Airlines
Minneapolis — Chicago
5h 4m
including layover
Find flight
from$117
11:41 — 17:15
11:41 — 13:00 SY1058 Sun Country Airlines
Buffalo — Minneapolis
2h 42m stop
17:30 — 19:09 SY261 Sun Country Airlines
Minneapolis — Chicago
6h 34m
including layover
Find flight
from$117
14:50 — 18:25
14:45 — 16:06 UA4291 United Airlines
Buffalo — Washington D.C.
58m stop
17:10 — 18:37 UA2497 United Airlines
Washington D.C. — Chicago
4h 35m
including layover
Find flight
from$167
16:15 — 21:26
16:15 — 17:52 UA4481 United Airlines
Buffalo — Newark
1h 53m stop
20:15 — 21:56 UA546 United Airlines
Newark — Chicago
6h 11m
including layover
Find flight
from$166
16:32 — 22:29
16:40 — 19:26 F91243 Frontier Airlines
Buffalo — Tampa
1h 8m stop
22:17 — 00:25 F92317 Frontier Airlines
Tampa — Chicago
6h 57m
including layover
Find flight
from$63
17:04 — 22:24
20:21 — 23:10 F91243 Frontier Airlines
Buffalo — Tampa
42m stop
20:49 — 22:41 F93899 Frontier Airlines
Tampa — Chicago
6h 20m
including layover
Find flight
from$84
19:11 — 07:39
+1 day
19:46 — 22:31 F91351 Frontier Airlines
Buffalo — Orlando
7h 45m stop
17:30 — 19:25 F93853 Frontier Airlines
Orlando — Chicago
13h 28m
including layover
Find flight
from$79
19:23 — 23:25
19:15 — 20:44 UA4180 United Airlines
Buffalo — Newark
45m stop
21:55 — 23:37 UA1308 United Airlines
Newark — Chicago
5h 2m
including layover
Find flight
from$166
20:00 — 23:15
20:00 — 21:19 UA3644 United Airlines
Buffalo — Washington D.C.
51m stop
22:10 — 23:15 UA1738 United Airlines
Washington D.C. — Chicago
4h 15m
including layover
Find flight
from$178
21:12 — 08:38
+1 day
21:12 — 23:59 F91351 Frontier Airlines
Buffalo — Orlando
6h 31m stop
06:30 — 08:38 F93043 Frontier Airlines
Orlando — Chicago
12h 26m
including layover
Find flight
from$81
21:37 — 07:09
+1 day
21:37 — 00:24 F93261 Frontier Airlines
Buffalo — Orlando
4h 37m stop
05:01 — 07:09 F93043 Frontier Airlines
Orlando — Chicago
10h 32m
including layover
Find flight
from$81
*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 Buffalo to Chicago depends on and how to choose the most interesting flight option for you.

Distance between Buffalo and Chicago is 740 miles. Time difference between the cities is 1h. Airplanes depart 06:00 to 21:37 from 1 Buffalo airport and arrive 06:00 to 21:37 to 7 Chicago airports. Average flight time is 1h 56m.

  • The fastest flight 1h 53m
  • Average flight time 1h 56m
  • The earliest flight 06:00
  • The latest flight 21:37
  • Distance 460 ml

The cheapest months to travel to Chicago are july (from 84 $), august (from 88 $), june (from 89 $).

The most expensive months are october (from 437 $), october (from 235 $), november (from 191 $).

What is the lowest airfare Buffalo to Chicago?

The cheapest plane ticket found by our users is $63. This airfare is for economy class on one-way F91243 flight by Frontier Airlines for July 14, 2025 which leaves Niagara in Buffalo at 16:32 am and arrives at Chicago O'Hare International at 22:29.

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 Buffalo — Chicago is served by 3 regular airlines and 2 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 $ 450.

Direct flights

There are 7 nonstop flights on the route. The fastest direct flight is UA329 by United Airlines takes 1h 53m and the cheapest is F91243 by Frontier Airlines for $108.

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

Connecting Flights

There are 187 flights with layovers on the route. The fastest connecting flight is UA3644 by United Airlines takes 4h 15m and the cheapest is F91243 by Frontier Airlines for $63.

  • F9 - Frontier Airlines
    from $63
    Find
  • SY - Sun Country Airlines
    from $117
    Find
  • UA - United Airlines
    from $159
    Find
See more connecting flights

Airports

You can fly from Buffalo to Chicago from 1 airports (Niagara).

Buffalo airports

  • Niagara-BUF
    from $63
    Find

Chicago airports

  • O'Hare International-ORD
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  • Midway-MDW
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  • Dupage County-DPA
    Find
  • Chicago FSS-CHI
    Find
  • Merrill C Meigs (closed)-CGX
    Find
  • Pal-Waukee-PWK
    Find
  • Chicago NAS-NOH
    Find

Airplanes

There are flights to Chicago from Buffalo by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Buffalo

You may also consider searching for discounted plane tickets to some other popular places from Buffalo within United States.

Top International Destinations from Buffalo

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

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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