Cheap Flights from Chicago, IL to Buffalo, NY from $85
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 $85, 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: $85 (one-way), $146 (round-trip).
Direct flights
Check prices for return flight
Best Flights from Chicago to Buffalo Today
Take a look at the list of non stop flights and flights with layovers from Chicago to Buffalo with the lowest price of $85. The fastest direct flight takes 1h 39m and the fastest connecting – 4h 16m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $145 | 07:15 Chicago O'Hare International | 09:54 Buffalo Niagara | 1h 39m | United Airlines | UA2038 |
| from $145 | 18:20 Chicago O'Hare International | 21:01 Buffalo Niagara | 1h 41m | United Airlines | UA1335 |
| from $145 | 07:15 Chicago O'Hare International | 09:58 Buffalo Niagara | 1h 43m | United Airlines | UA3508 |
| from $145 | 14:10 Chicago O'Hare International | 16:55 Buffalo Niagara | 1h 45m | United Airlines | UA1448 |
| from $217 | 10:35 Chicago O'Hare International | 13:21 Buffalo Niagara | 1h 46m | United Airlines | UA4411 |
| from $85 | 16:56 Chicago O'Hare International | 07:51+1 день Buffalo Niagara | 13h 55m layover 8h 6m - Orlando | Frontier Airlines | F93044 F93262 |
| from $95 | 06:00 Chicago O'Hare International | 16:19 Buffalo Niagara | 9h 19m layover 3h 19m - Denver | Frontier Airlines | F91483 F92752 |
| from $99 | 14:44 Chicago Midway | 13:15+1 день Buffalo Niagara | 21h 31m layover 15h 31m - Denver | Frontier Airlines | F92209 F92752 |
| from $99 | 16:06 Chicago Midway | 15:47+1 день Buffalo Niagara | 22h 41m layover 17h 6m - Tampa | Frontier Airlines | F91186 F91244 |
| from $102 | 08:00 Chicago O'Hare International | 18:16 Buffalo Niagara | 9h 16m layover 3h 44m - Orlando | Frontier Airlines | F92792 F91692 |
| from $109 | 11:32 Chicago O'Hare International | 20:08 Buffalo Niagara | 7h 36m layover 3h 54m - Raleigh | Frontier Airlines | F93352 F92980 |
| from $109 | 07:05 Chicago O'Hare International | 16:16 Buffalo Niagara | 8h 11m layover 2h 28m - Tampa | Frontier Airlines | F91416 F91244 |
| from $110 | 21:12 Chicago Midway | 07:47+1 день Buffalo Niagara | 9h 35m layover 4h 2m - Orlando | Frontier Airlines | F93854 F93262 |
| from $110 | 16:37 Chicago O'Hare International | 07:47+1 день Buffalo Niagara | 14h 10m layover 8h 26m - Orlando | Frontier Airlines | F92792 F93262 |
| from $119 | 08:35 Chicago Midway | 07:47+1 день Buffalo Niagara | 22h 12m layover 16h 45m - Orlando | Frontier Airlines | F91458 F93262 |
| from $141 | 06:45 Chicago O'Hare International | 10:56+1 день Buffalo Niagara | 27h 11m layover 23h 29m - Minneapolis | Sun Country Airlines | SY1630 SY1057 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on August 16, 2025
Flight Schedule Chicago (Illinois) to Buffalo (New York)
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 |
Find flight
from$146 |
|
|
07:10 — 09:56
|
07:10 — 09:56
UA4440
United Airlines
Chicago — Buffalo
|
1h 46m |
Find flight
from$162 |
|
|
07:15 — 09:54
|
07:15 — 09:54
UA2038
United Airlines
Chicago — Buffalo
|
1h 39m |
Find flight
from$145 |
|
|
07:15 — 09:58
|
07:15 — 09:58
UA3508
United Airlines
Chicago — Buffalo
|
1h 43m |
Find flight
from$145 |
|
|
10:35 — 13:22
|
10:35 — 13:22
UA4382
United Airlines
Chicago — Buffalo
|
1h 47m |
Find flight
from$146 |
|
|
10:35 — 13:21
|
10:35 — 13:21
UA4410
United Airlines
Chicago — Buffalo
|
1h 46m |
Find flight
from$162 |
|
|
10:35 — 13:21
|
10:35 — 13:21
UA4411
United Airlines
Chicago — Buffalo
|
1h 46m |
Find flight
from$217 |
|
|
10:35 — 13:21
|
10:35 — 13:21
UA4426
United Airlines
Chicago — Buffalo
|
1h 46m |
Find flight
from$220 |
|
|
14:08 — 16:52
|
14:08 — 16:52
UA1872
United Airlines
Chicago — Buffalo
|
1h 44m |
Find flight
from$146 |
|
|
14:10 — 16:55
|
14:10 — 16:55
UA1448
United Airlines
Chicago — Buffalo
|
1h 45m |
Find flight
from$145 |
|
|
14:11 — 16:55
|
14:11 — 16:55
UA2343
United Airlines
Chicago — Buffalo
|
1h 44m |
Find flight
from$162 |
|
|
18:20 — 21:01
|
18:20 — 21:01
UA1335
United Airlines
Chicago — Buffalo
|
1h 41m |
Find flight
from$145 |
|
|
19:45 — 22:28
|
19:45 — 22:28
UA1695
United Airlines
Chicago — Buffalo
|
1h 43m |
Find flight
from$163 |
|
|
06:00 — 16:19
|
06:00 — 08:02
F91483
Frontier Airlines
Chicago — Denver
3h 19m stop
11:13 — 16:29
F92752
Frontier Airlines
Denver — Buffalo
|
9h 19m including layover |
Find flight
from$95 |
|
|
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 |
Find flight
from$141 |
|
|
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 |
Find flight
from$109 |
|
|
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$102 |
|
|
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 |
Find flight
from$119 |
|
|
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 |
Find flight
from$236 |
|
|
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 |
Find flight
from$109 |
|
|
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 |
Find flight
from$226 |
|
|
12:50 — 18:46
|
12:50 — 15:52
UA2337
United Airlines
Chicago — Washington D.C.
1h 33m stop
17:25 — 18:46
UA4456
United Airlines
Washington D.C. — Buffalo
|
4h 56m including layover |
Find flight
from$236 |
|
|
13:04 — 18:56
|
13:04 — 16:09
UA1113
United Airlines
Chicago — Washington D.C.
1h 16m stop
17:25 — 18:56
UA4823
United Airlines
Washington D.C. — Buffalo
|
4h 52m including layover |
Find flight
from$226 |
|
|
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$226 |
|
|
14:44 — 13:15
+1 day
|
14:44 — 16:33
F92209
Frontier Airlines
Chicago — Denver
15h 31m stop
11:13 — 16:29
F92752
Frontier Airlines
Denver — Buffalo
|
21h 31m including layover |
Find flight
from$99 |
|
|
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$238 |
|
|
16:06 — 15:47
+1 day
|
16:11 — 19:54
F91186
Frontier Airlines
Chicago — Tampa
17h 6m stop
15:25 — 18:17
F91244
Frontier Airlines
Tampa — Buffalo
|
22h 41m including layover |
Find flight
from$99 |
|
|
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$85 |
|
|
17:53 — 23:46
|
17:53 — 20:52
UA2677
United Airlines
Chicago — Washington D.C.
1h 29m stop
22:21 — 23:46
UA4353
United Airlines
Washington D.C. — Buffalo
|
4h 53m including layover |
Find flight
from$226 |
|
|
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$226 |
|
|
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$181 |
|
|
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$110 |
|
|
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$225 |
|
|
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$237 |
|
|
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$238 |
|
|
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$236 |
|
*Departure and arrival times - local. Updated on August 16, 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 85 $), august (from 85 $), january (from 87 $).
The most expensive months are october (from 236 $), november (from 197 $), july (from 115 $).
What is the lowest airfare Chicago to Buffalo?
The cheapest plane ticket found by our users is $85. This airfare is for economy class on one-way F93044 flight by Frontier Airlines for August 22, 2025 which leaves O'Hare International in Chicago at 16:56 am and arrives at Buffalo Niagara at 07:51.
Economy class
$85
Business class
?
First class
?
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 $ 85 . And the most expensive tickets are offered by United Airlines airline - from $ 955.
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 $145.
- UA - United Airlinesfrom $145Find
See more direct flights
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 $85.
- F9 - Frontier Airlinesfrom $85Find
- SY - Sun Country Airlinesfrom $141Find
- UA - United Airlinesfrom $226Find
- NK - Spirit Airlinesfrom $225Find
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-ORDfrom $85Find
- Midway-MDWfrom $99Find
- Dupage County-DPAFind
- Chicago FSS-CHIFind
- Merrill C Meigs (closed)-CGXFind
- Pal-Waukee-PWKFind
- Chicago NAS-NOHFind
Buffalo airports
- Niagara-BUFFind
Airplanes
There are flights to Buffalo from Chicago by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Chicago
You may also consider searching for discounted plane tickets to some other popular places from Chicago within United States.
- from $508Find
- from $74Find
- from $76Find
- from $62Find
- from $66Find
- from $70Find
- from $66Find
- from $61Find
- from $65Find
- from $61Find
Top International Destinations from Chicago
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.
- from $60Find
- from $72Find
- from $73Find
- from $61Find
- from $79Find
- from $73Find
- from $76Find
- from $60Find
- from $59Find
- from $74Find
How to book a plane 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.