Cheap Flights from Buffalo, NY to Chicago, IL from $89

One way Round trip

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On Cheapflightsplus.com you will find 9 direct and 310 connecting flights from Buffalo to Chicago. You can compare airfare deals from 3 airlines and multiple travel sites from $89, 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: $89 (one-way), $153 (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 $89. The fastest direct flight takes 1h 53m and the fastest connecting – 4h 15m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $144 Find flight	10:50 Buffalo Niagara	11:46 Chicago O'Hare International	1h 56m	United Airlines	UA2337
from $144 Find flight	17:54 Buffalo Niagara	18:50 Chicago O'Hare International	1h 56m	United Airlines	UA630
from $178 Find flight	10:50 Buffalo Niagara	11:45 Chicago O'Hare International	1h 55m	United Airlines	UA606
from $267 Find flight	10:50 Buffalo Niagara	11:48 Chicago O'Hare International	1h 58m	United Airlines	UA4179
from $89 Find flight	16:32 Buffalo Niagara	22:29 Chicago O'Hare International	6h 57m layover 1h 8m - Tampa	Frontier Airlines	F91243 F92317
from $95 Find flight	17:24 Buffalo Niagara	23:52 Chicago O'Hare International	7h 28m layover 1h 9m - Denver	Frontier Airlines	F92751 F93174
from $100 Find flight	09:56 Buffalo Niagara	16:40 Chicago O'Hare International	7h 44m layover 3h 33m - Raleigh	Frontier Airlines	F92979 F93351
from $100 Find flight	21:37 Buffalo Niagara	00:10+2 дня Chicago O'Hare International	27h 33m layover 21h 33m - Orlando	Frontier Airlines	F93261 F92791
from $100 Find flight	17:24 Buffalo Niagara	20:53+1 день Chicago Midway	28h 29m layover 22h 13m - Denver	Frontier Airlines	F92751 F92210
from $105 Find flight	19:10 Buffalo Niagara	00:17+1 день Chicago O'Hare International	6h 7m layover 1h 27m - Atlanta	Frontier Airlines	F93869 F93397
from $107 Find flight	19:11 Buffalo Niagara	07:39+1 день Chicago Midway	13h 28m layover 7h 45m - Orlando	Frontier Airlines	F91351 F93853
from $110 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 $110 Find flight	21:12 Buffalo Niagara	08:38+1 день Chicago O'Hare International	12h 26m layover 6h 31m - Orlando	Frontier Airlines	F91351 F93043
from $111 Find flight	13:08 Buffalo Niagara	00:04+1 день Chicago O'Hare International	11h 56m layover 6h 2m - Orlando	Frontier Airlines	F91691 F92791
from $111 Find flight	13:08 Buffalo Niagara	08:22+1 день Chicago O'Hare International	20h 14m layover 14h 15m - Orlando	Frontier Airlines	F91691 F93043
from $148 Find flight	11:41 Buffalo Niagara	17:15 Chicago O'Hare International	6h 34m layover 2h 42m - Minneapolis	Sun Country Airlines	SY1058 SY261

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on August 15, 2025

Flight Schedule Buffalo (New York) to Chicago (Illinois)

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	Flight Details	Flight Duration	Price
07:00 — 07:53	07:00 — 07:53 UA329 United Airlines Buffalo — Chicago	1h 53m	Find flight from$191
10:50 — 11:46	10:50 — 11:46 UA2337 United Airlines Buffalo — Chicago	1h 56m	Find flight from$144
10:50 — 11:50	10:50 — 11:50 UA3440 United Airlines Buffalo — Chicago	2h	Find flight from$145
10:50 — 11:45	10:50 — 11:45 UA606 United Airlines Buffalo — Chicago	1h 55m	Find flight from$178
10:50 — 11:48	10:50 — 11:48 UA4179 United Airlines Buffalo — Chicago	1h 58m	Find flight from$267
13:57 — 14:55	13:57 — 14:55 UA4381 United Airlines Buffalo — Chicago	1h 58m	Find flight from$144
13:57 — 14:55	13:57 — 14:55 UA4165 United Airlines Buffalo — Chicago	1h 58m	Find flight from$196
14:00 — 14:55	14:00 — 14:55 UA5230 United Airlines Buffalo — Chicago	1h 55m	Find flight from$145
17:54 — 18:50	17:54 — 18:50 UA630 United Airlines Buffalo — Chicago	1h 56m	Find flight from$144
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$224
06:00 — 10:39	06:00 — 07:22 UA2357 United Airlines Buffalo — Newark 1h 38m stop 09:00 — 10:39 UA2337 United Airlines Newark — Chicago	5h 39m including layover	Find flight from$224
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$220
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$100
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$148
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$157
13:08 — 00:04 +1 day	08:50 — 11:32 F91691 Frontier Airlines Buffalo — Orlando 6h 2m stop 22:17 — 00:20 F92791 Frontier Airlines Orlando — Chicago	11h 56m including layover	Find flight from$111
13:08 — 08:22 +1 day	13:08 — 15:55 F91691 Frontier Airlines Buffalo — Orlando 14h 15m stop 06:10 — 08:22 F93043 Frontier Airlines Orlando — Chicago	20h 14m including layover	Find flight from$111
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$224
15:54 — 21:56	15:54 — 18:11 F93869 Frontier Airlines Buffalo — Atlanta 2h 45m stop 20:56 — 21:56 F92779 Frontier Airlines Atlanta — Chicago	7h 2m including layover	Find flight from$107
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$223
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$89
17:24 — 23:52	17:24 — 19:13 F92751 Frontier Airlines Buffalo — Denver 1h 9m stop 20:22 — 23:52 F93174 Frontier Airlines Denver — Chicago	7h 28m including layover	Find flight from$95
17:24 — 20:53 +1 day	17:24 — 19:13 F92751 Frontier Airlines Buffalo — Denver 22h 13m stop 17:26 — 20:53 F92210 Frontier Airlines Denver — Chicago	28h 29m including layover	Find flight from$100
19:10 — 00:17 +1 day	15:54 — 18:11 F93869 Frontier Airlines Buffalo — Atlanta 1h 27m stop 22:58 — 00:17 F93397 Frontier Airlines Atlanta — Chicago	6h 7m including layover	Find flight from$105
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$107
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$239
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$110
21:37 — 00:10 +2 days	21:37 — 00:26 F93261 Frontier Airlines Buffalo — Orlando 21h 33m stop 22:17 — 00:20 F92791 Frontier Airlines Orlando — Chicago	27h 33m including layover	Find flight from$100

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on August 15, 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 85 $), june (from 89 $), august (from 89 $).

The most expensive months are october (from 439 $), october (from 236 $), november (from 192 $).

What is the lowest airfare Buffalo to Chicago?

The cheapest plane ticket found by our users is $89. This airfare is for economy class on one-way F91243 flight by Frontier Airlines for August 15, 2025 which leaves Niagara in Buffalo at 16:32 am and arrives at Chicago O'Hare International at 22:29.

Economy class

$89

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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 - 17 departures per week at the price of from $ 89 . And the most expensive tickets are offered by United Airlines airline - from $ 860.

Direct flights

There are 9 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 $144.

UA - United Airlines

from $144

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Connecting Flights

There are 310 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 $89.

F9 - Frontier Airlines

from $89

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SY - Sun Country Airlines

from $148

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UA - United Airlines

from $223

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Airports

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

Buffalo airports

Niagara-BUF

from $89
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Chicago airports

O'Hare International-ORD

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Midway-MDW

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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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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.

Buffalo — New York

from $58

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Buffalo — Orlando

from $61

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Buffalo — Las Vegas

from $62

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Buffalo — Tampa

from $70

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Buffalo — Miami

from $68

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Buffalo — Atlanta

from $68

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Buffalo — Boston

from $64

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Buffalo — Chicago

from $74

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Buffalo — Houston

from $68

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Buffalo — Charlotte

from $79

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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.

Buffalo — Toronto

from $54

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Buffalo — Cancun

from $60

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Buffalo — London

from $61

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Buffalo — Punta Cana

from $74

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Buffalo — Paris

from $59

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Buffalo — San Juan

from $60

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Buffalo — San Jose

from $72

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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.
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