Cheap flights from Buffalo to Chicago from $88
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Chicago departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Fri 11/13
1:48 pm-6:45 pm
1 stop5h 57m
Chicago O'Hare Intl
Thu 11/19
7:31 am-1:49 pm
1 stop5h 18m
BuffaloChicago
BUF Buffalo - MDW Chicago Midway
BUFMDW
Buffalo
Fri 11/13
1:48 pm-11:47 pm
1 stop10h 59m
Chicago Midway
Thu 11/19
6:08 am-1:49 pm
1 stop6h 41m
BuffaloChicago
BUF Buffalo - MDW Chicago Midway
BUFMDW
Buffalo
Wed 11/4
2:00 pm-11:47 pm
1 stop10h 47m
Chicago Midway
Wed 11/11
6:08 am-1:15 pm
1 stop6h 07m
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Thu 10/29
5:49 pm-6:59 pm
Nonstop2h 10m
Chicago O'Hare Intl
Mon 11/2
8:00 am-10:48 am
Nonstop1h 48m
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Sat 11/14
6:46 pm-8:00 pm
Nonstop2h 14m
Chicago O'Hare Intl
Thu 11/19
3:17 pm-6:00 pm
Nonstop1h 43m
BuffaloChicago
BUF Buffalo - MDW Chicago Midway
BUFMDW
Buffalo
Tue 11/17
6:55 pm-7:45 pm
Nonstop1h 50m
Chicago Midway
Wed 11/18
1:25 pm-4:00 pm
Nonstop1h 35m
BuffaloChicago
BUF Buffalo - MDW Chicago Midway
BUFMDW
Buffalo
Thu 11/5
7:10 pm-8:00 pm
Nonstop1h 50m
Chicago Midway
Thu 11/12
12:55 pm-3:25 pm
Nonstop1h 30m
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Sat 12/12
5:40 pm-6:54 pm
Nonstop2h 14m
Chicago O'Hare Intl
Mon 12/14
6:55 am-9:44 am
Nonstop1h 49m
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Tue 11/17
6:30 am-7:33 am
Nonstop2h 03m
Chicago O'Hare Intl
Wed 11/18
6:50 am-9:42 am
Nonstop1h 52m
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Tue 10/27
5:49 pm-6:59 pm
Nonstop2h 10m
Chicago O'Hare Intl
Thu 10/29
2:20 pm-5:08 pm
Nonstop1h 48m
See travel insights to Chicago from
How to get the cheapest flight ticket from Buffalo to Chicago
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Buffalo and Chicago?
Prices are currently low for flights on this route.
Typical prices usually range from $288 to $495.The lowest price recently found on this route was $229.
What is the cheapest month to fly to Chicago?
The month of January is, on average, the cheapest month to fly to Chicago from Buffalo, with most prices found around $281. If you’re not able to fly to Chicago in January, then February is your next best option. Flight prices from Buffalo to Chicago during February average around $325.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $452. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Chicago for around $572.
What is the cheapest time of day to depart on your flight to Chicago?
Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Buffalo to Chicago during this time can be as low as $433. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $593.
What is the cheapest Buffalo to Chicago flight route?
Fly from Buffalo to Chicago O'Hare Intl for the best Buffalo - Chicago flight prices
How far in advance should I book a flight from Buffalo to Chicago?
You are more likely to see cheaper flights to Chicago from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $360 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Buffalo for as low as $223 on momondo.
What cabin class options are available on Buffalo to Chicago flights?
There are 4 cabin classes available to choose from on Buffalo to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Buffalo to Chicago flights?
You could potentially save up to 29% on your flight if you consider stops on a Buffalo to Chicago flight.
How have Buffalo to Chicago flight prices changed over time?
As of October 2026, prices for Buffalo to Chicago flights are approximately 1% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Buffalo to Chicago?
Frontier, Southwest, and United Airlines are the most popular carriers operating from Buffalo to Chicago
What airlines fly to Chicago?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Chicago from Buffalo according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 3 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
How many flights depart from Buffalo to Chicago on average per day?
The number of flights available between Buffalo and Chicago is 32 per day as of October 2026. The most frequent departure time is 7:00AM, with 46% of daily flights leaving in the afternoon.
How many flights depart from Buffalo to Chicago on average per week?
As of October 2026, 226 flights take off from Buffalo and land in Chicago each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.
When to book flights from Buffalo to Chicago
Cheap Buffalo to Chicago (BUF to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Buffalo to Chicago
Frequently asked questions about flying from Buffalo to Chicago
How far is Buffalo to Chicago by plane?
A flight from Buffalo to Chicago will travel around 451.4 mi. Flights usually cover this in 1h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Buffalo Airport to Chicago?
Prices for flights from Buffalo Airport to Chicago were last updated today.
How many operators does momondo search for flights from Buffalo Airport to Chicago?
As of October 2026, there are 3 operators available to choose from for flights from Buffalo Airport to Chicago.
How old do you have to be to fly from Buffalo Airport to Chicago?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buffalo Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Buffalo to Chicago?
momondo data reveals that the most frequently booked plane model on the route from Buffalo to Chicago is Airbus A319, representing 15.88% of all bookings. The subsequent popular models are Boeing 737-800 at 14.59%, Embraer 175 at 12.43%, and Canadair (Bombardier) Regional Jet CRJ-550 at 11.38%.
What is the most popular airline from Buffalo to Chicago?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buffalo to Chicago is American Airlines (35% of total bookings). The next most popular airlines are Southwest (31%), United Airlines (25%), and JetBlue (4%).
Best airlines flying from Buffalo to Chicago
Compare and see reviews for airlines that fly from Buffalo to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $145 | Free Cancellation | Rating 7.0 12,145 reviews | |||
| PriceFrom $235 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $263 | Free Cancellation | Rating 7.9 4,221 reviews |
Southwest Flights From Buffalo to Chicago
Southwest is one of the most popular airlines flying from Buffalo to Chicago, operating 15 flights/week on average for this route. A good Southwest flight deal for Buffalo to Chicago starts from $263 round-trip, up to an average price of $389. Our users have rated Southwest at 7.9/10.
United Airlines Flights From Buffalo to Chicago
United Airlines (7.4/10 from 10,324 reviews) operates around 26 flights from Buffalo to Chicago in any given week. The average United Airlines airfare for this route is around $367, with deals from around $235 rare but found on momondo. Referenced prices are for round-trip Buffalo to Chicago flight searches in the last 72 hours.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Buffalo to Chicago?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buffalo to Chicago. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Buffalo to Chicago with flexible booking policies on momondo?
momondo does allow users to show only those flights to Chicago from Buffalo which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Buffalo to Chicago?
Once all potential Buffalo to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Buffalo to Chicago right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Buffalo and alert you when they change.