Cheap Flights from Buffalo, NY to Chicago, IL from $70

One way Round trip

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On Cheapflightsplus.com you will find 9 direct and 481 connecting flights from Buffalo to Chicago. You can compare airfare deals from 5 airlines and multiple travel sites from $70, 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: $70 (one-way), $120 (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 $70. The fastest direct flight takes 1h 56m and the fastest connecting – 3h 25m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $185 Find flight	07:00 Buffalo Niagara	07:57 Chicago O'Hare International	1h 57m	United Airlines	UA329
from $218 Find flight	17:25 Buffalo Niagara	18:34 Chicago O'Hare International	2h 9m	United Airlines	UA3441
from $251 Find flight	18:17 Buffalo Niagara	19:13 Chicago O'Hare International	1h 56m	American Airlines	AA3430
from $259 Find flight	17:50 Buffalo Niagara	18:47 Chicago O'Hare International	1h 57m	United Airlines	UA630
from $70 Find flight	07:00 Buffalo Niagara	17:10 Chicago O'Hare International	11h 10m layover 4h 44m - Fort Myers	Frontier Airlines	F93955 F93799
from $70 Find flight	20:52 Buffalo Niagara	14:02+1 день Chicago Midway	18h 10m layover 12h 41m - Tampa	Frontier Airlines	F91243 F91185
from $72 Find flight	12:50 Buffalo Niagara	09:27+1 день Chicago O'Hare International	21h 37m layover 15h 14m - Orlando	Frontier Airlines	F91691 F93043
from $73 Find flight	18:46 Buffalo Niagara	01:03+1 день Chicago O'Hare International	7h 17m layover 1h 12m - Denver	Frontier Airlines	F92751 F93172
from $80 Find flight	18:46 Buffalo Niagara	11:52+1 день Chicago Midway	18h 6m layover 12h 15m - Denver	Frontier Airlines	F92751 F92210
from $84 Find flight	21:19 Buffalo Niagara	09:13+1 день Chicago Midway	12h 54m layover 7h 4m - Orlando	Frontier Airlines	F93261 F91457
from $84 Find flight	20:17 Buffalo Niagara	11:40+1 день Chicago Midway	16h 23m layover 10h 27m - Tampa	Frontier Airlines	F91245 F91185
from $84 Find flight	20:17 Buffalo Niagara	22:04+1 день Chicago O'Hare International	26h 47m layover 20h 47m - Tampa	Frontier Airlines	F91245 F91415
from $98 Find flight	18:15 Buffalo Niagara	23:47 Chicago O'Hare International	6h 32m layover 1h 57m - Atlanta	Frontier Airlines	F93869 F91441
from $104 Find flight	22:53 Buffalo Niagara	09:08+1 день Chicago O'Hare International	11h 15m layover 7h 1m - Atlanta	Frontier Airlines	F91407 F91441
from $105 Find flight	11:19 Buffalo Niagara	23:16 Chicago O'Hare International	12h 57m layover 6h 45m - Orlando	Frontier Airlines	F91691 F93045
from $117 Find flight	11:20 Buffalo Niagara	22:06 Chicago O'Hare International	11h 46m layover 7h 44m - New York	JetBlue	B6391 NK3386

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 09, 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 — 07:57	07:00 — 07:57 UA329 United Airlines Buffalo — Chicago	1h 57m	Find flight from$185
07:10 — 08:07	07:10 — 08:07 AA4053 American Airlines Buffalo — Chicago	1h 57m	Find flight from$251
11:44 — 12:40	11:44 — 12:40 AA4093 American Airlines Buffalo — Chicago	1h 56m	Find flight from$274
13:54 — 14:55	13:54 — 14:55 UA4628 United Airlines Buffalo — Chicago	2h 1m	Find flight from$262
13:55 — 14:54	13:55 — 14:54 UA4381 United Airlines Buffalo — Chicago	1h 59m	Find flight from$264
17:25 — 18:34	17:25 — 18:34 UA3441 United Airlines Buffalo — Chicago	2h 9m	Find flight from$218
17:40 — 18:49	17:40 — 18:49 UA3460 United Airlines Buffalo — Chicago	2h 9m	Find flight from$265
17:50 — 18:47	17:50 — 18:47 UA630 United Airlines Buffalo — Chicago	1h 57m	Find flight from$259
18:17 — 19:13	18:17 — 19:13 AA3430 American Airlines Buffalo — Chicago	1h 56m	Find flight from$251
06:05 — 22:06	06:05 — 07:40 DL5165 Delta Air Lines Inc. Buffalo — New York 12h 49m stop 20:29 — 22:06 NK3386 Spirit Airlines New York — Chicago	17h 1m including layover	Find flight from$154
06:05 — 13:44	06:05 — 07:40 DL5165 Delta Air Lines Inc. Buffalo — Newark 4h 28m stop 12:08 — 13:44 NK329 Spirit Airlines Newark — Chicago	8h 39m including layover	Find flight from$164
07:00 — 17:10	07:00 — 10:13 F93955 Frontier Airlines Buffalo — Fort Myers 4h 44m stop 14:57 — 17:10 F93799 Frontier Airlines Fort Myers — Chicago	11h 10m including layover	Find flight from$70
07:02 — 22:06	07:02 — 08:32 B62001 JetBlue Buffalo — New York 11h 57m stop 20:29 — 22:06 NK3386 Spirit Airlines New York — Chicago	16h 4m including layover	Find flight from$117
08:33 — 22:06	08:33 — 09:59 B61061 JetBlue Buffalo — New York 10h 30m stop 20:29 — 22:06 NK3386 Spirit Airlines New York — Chicago	14h 33m including layover	Find flight from$117
08:33 — 10:05 +1 day	08:33 — 09:59 B61061 JetBlue Buffalo — New York 22h 36m stop 08:35 — 10:05 NK779 Spirit Airlines New York — Chicago	26h 32m including layover	Find flight from$117
10:02 — 22:06	10:02 — 11:29 DL5366 Delta Air Lines Inc. Buffalo — New York 9h stop 20:29 — 22:06 NK3386 Spirit Airlines New York — Chicago	13h 4m including layover	Find flight from$189
10:59 — 10:02 +1 day	10:30 — 13:28 F91691 Frontier Airlines Buffalo — Orlando 17h 58m stop 11:56 — 13:54 F91457 Frontier Airlines Orlando — Chicago	24h 3m including layover	Find flight from$154
11:19 — 23:16	11:19 — 14:18 F91691 Frontier Airlines Buffalo — Orlando 6h 45m stop 21:03 — 23:16 F93045 Frontier Airlines Orlando — Chicago	12h 57m including layover	Find flight from$105
11:20 — 22:06	11:20 — 12:45 B6391 JetBlue Buffalo — New York 7h 44m stop 20:29 — 22:06 NK3386 Spirit Airlines New York — Chicago	11h 46m including layover	Find flight from$117
12:38 — 22:06	12:38 — 14:00 AA4738 American Airlines Buffalo — New York 6h 29m stop 20:29 — 22:06 NK3386 Spirit Airlines New York — Chicago	10h 28m including layover	Find flight from$189
12:50 — 09:27 +1 day	10:30 — 13:28 F91691 Frontier Airlines Buffalo — Orlando 15h 14m stop 07:30 — 09:54 F93043 Frontier Airlines Orlando — Chicago	21h 37m including layover	Find flight from$72
14:10 — 22:06	14:10 — 15:39 DL5362 Delta Air Lines Inc. Buffalo — New York 4h 50m stop 20:29 — 22:06 NK3386 Spirit Airlines New York — Chicago	8h 56m including layover	Find flight from$154
14:45 — 18:42	14:45 — 16:36 F93061 Frontier Airlines Buffalo — Charlotte 1h stop 17:36 — 18:42 F93141 Frontier Airlines Charlotte — Chicago	4h 57m including layover	Find flight from$158
16:07 — 09:52 +1 day	16:07 — 19:12 F93261 Frontier Airlines Buffalo — Orlando 12h 18m stop 07:30 — 09:52 F93043 Frontier Airlines Orlando — Chicago	18h 45m including layover	Find flight from$84
16:07 — 23:16	16:07 — 19:12 F93261 Frontier Airlines Buffalo — Orlando 1h 51m stop 21:03 — 23:16 F93045 Frontier Airlines Orlando — Chicago	8h 9m including layover	Find flight from$98
18:46 — 01:03 +1 day	18:46 — 20:15 F92751 Frontier Airlines Buffalo — Denver 1h 12m stop 21:27 — 01:03 F93172 Frontier Airlines Denver — Chicago	7h 17m including layover	Find flight from$73
18:53 — 09:52 +1 day	18:53 — 21:54 F93261 Frontier Airlines Buffalo — Orlando 9h 36m stop 07:30 — 09:52 F92041 Frontier Airlines Orlando — Chicago	15h 59m including layover	Find flight from$70
19:55 — 10:05 +1 day	19:55 — 21:35 DL5430 Delta Air Lines Inc. Buffalo — New York 11h stop 08:35 — 10:05 NK779 Spirit Airlines New York — Chicago	15h 10m including layover	Find flight from$162
19:55 — 22:06 +1 day	19:55 — 21:35 DL5430 Delta Air Lines Inc. Buffalo — New York 22h 54m stop 20:29 — 22:06 NK3386 Spirit Airlines New York — Chicago	27h 11m including layover	Find flight from$162
20:17 — 11:40 +1 day	20:17 — 23:17 F91245 Frontier Airlines Buffalo — Tampa 10h 27m stop 09:44 — 11:40 F91185 Frontier Airlines Tampa — Chicago	16h 23m including layover	Find flight from$84
20:52 — 14:02 +1 day	11:54 — 14:51 F91243 Frontier Airlines Buffalo — Tampa 12h 41m stop 09:54 — 11:41 F91185 Frontier Airlines Tampa — Chicago	18h 10m including layover	Find flight from$70
21:19 — 09:13 +1 day	16:07 — 19:12 F93261 Frontier Airlines Buffalo — Orlando 7h 4m stop 08:26 — 10:28 F91457 Frontier Airlines Orlando — Chicago	12h 54m including layover	Find flight from$84
22:53 — 09:08 +1 day	22:53 — 00:59 F91407 Frontier Airlines Buffalo — Atlanta 7h 1m stop 08:00 — 09:08 F91441 Frontier Airlines Atlanta — Chicago	11h 15m including layover	Find flight from$104

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

*Departure and arrival times - local. Updated on May 9, 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 05:30 to 22:53 from 1 Buffalo airport and arrive 05:30 to 22:53 to 7 Chicago airports. Average flight time is 1h 57m.

The fastest flight 1h 56m
Average flight time 1h 57m
The earliest flight 05:30
The latest flight 22:53
Distance 460 ml

The cheapest months to travel to Chicago are december (from 70 $), february (from 70 $), january (from 72 $).

The most expensive months are october (from 425 $), november (from 117 $), january (from 72 $).

What is the lowest airfare Buffalo to Chicago?

The cheapest plane ticket found by our users is $70. This airfare is for economy class on one-way F93261 flight by Frontier Airlines for February 1, 2025 which leaves Niagara in Buffalo at 18:53 am and arrives at Chicago O'Hare International at 09:52.

Economy class

$70

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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 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by American Airlines - 122 departures per week at the price of from $ 189 . And the most expensive tickets are offered by United Airlines airline - from $ 1025.

Direct flights

There are 9 nonstop flights on the route. The fastest direct flight is AA3430 by American Airlines takes 1h 56m and the cheapest is F93261 by Frontier Airlines for $185.

AA - American Airlines

from $251

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UA - United Airlines

from $185

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Connecting Flights

There are 481 flights with layovers on the route. The fastest connecting flight is DL2285 by Delta Air Lines Inc. takes 3h 25m and the cheapest is F93261 by Frontier Airlines for $70.

AA - American Airlines

from $189

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F9 - Frontier Airlines

from $70

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B6 - JetBlue

from $117

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DL - Delta Air Lines Inc.

from $154

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UA - United Airlines

from $196

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See more connecting flights

Airports

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

Buffalo airports

Niagara-BUF

from $70
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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 5 airlines that use 10 aircraft brands. They range from huge modern airplanes to small-sized.

Embraer Lineage 1000

from $117

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Canadair Regional Jet 900

from $154

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Embraer 175 (short wing)

from $189

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Boeing 737-900

from $196

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Airbus A321

from $227

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Airbus A320

from $227

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Boeing 737

from $245

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Embraer 170

from $251

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Boeing 717

from $254

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Canadair Regional Jet 700

from $271

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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.
To find a plane ticket, please select dates.