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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Not ready to book? to track prices.Frontier flights from Buffalo to Chicago O'Hare Intl Airport
Our best Frontier deals on Buffalo to Chicago O'Hare Intl Airport flight tickets
American Airlines flights from Buffalo to Chicago O'Hare Intl Airport
Our best American Airlines deals on Buffalo to Chicago O'Hare Intl Airport flight tickets
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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 - 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 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 11/3
7:57 am-9:05 am
Nonstop2h 08m
Chicago O'Hare Intl
Tue 11/10
3:19 pm-6:05 pm
Nonstop1h 46m
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
Tue 10/27
5:58 pm-7:02 pm
Nonstop2h 04m
Chicago O'Hare Intl
Wed 10/28
10:29 am-1:16 pm
Nonstop1h 47m
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Thu 10/29
12:54 pm-8:46 am
1 stop20h 52m
Chicago O'Hare Intl
Mon 11/2
5:51 pm-8:36 pm
Nonstop1h 45m
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Thu 11/5
12:39 pm-8:46 am
1 stop21h 07m
Chicago O'Hare Intl
Thu 11/12
7:50 pm-1:03 pm
1 stop16h 13m
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Thu 10/29
12:54 pm-8:46 am
1 stop20h 52m
Chicago O'Hare Intl
Mon 11/2
2:30 pm-11:00 pm
1 stop7h 30m
See travel insights to Chicago from
How to get the cheapest flight ticket from Buffalo to Chicago O'Hare Intl Airport
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 O'Hare Intl Airport?
Prices are currently low for flights on this route.
Typical prices usually range from $286 to $407.The lowest price recently found on this route was $229.
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buffalo averaging around $325.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $449. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Buffalo because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $593.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Buffalo in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $457 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $659. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Buffalo to Chicago O'Hare Intl flight route?
Fly from Buffalo to Chicago O'Hare Intl for the best Buffalo - Chicago O'Hare Intl flight prices
How far in advance should I book a flight from Buffalo to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport from Buffalo for as low as $223 on momondo.
What cabin class options are available on Buffalo to Chicago O'Hare Intl Airport flights?
There are 4 cabin classes available to choose from on Buffalo to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport flights?
You could potentially save up to 45% on your flight if you consider stops on a Buffalo to Chicago O'Hare Intl Airport flight.
How have Buffalo to Chicago O'Hare Intl Airport flight prices changed over time?
As of October 2026, prices for Buffalo to Chicago O'Hare Intl Airport flights are approximately 29% more expensive when compared to flights at the same time last year.
How many flights depart from Buffalo to Chicago O'Hare Intl Airport on average per day?
As of October 2026, 30 flights take off from Buffalo and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 7:00AM, with 46% of daily flights taking off in the afternoon.
How many flights depart from Buffalo to Chicago O'Hare Intl Airport on average per week?
As of October 2026, there are 211 flights per week flying from Buffalo to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.
When to book flights from Buffalo to Chicago O'Hare Intl Airport
Cheap Buffalo to Chicago O'Hare Intl Airport (BUF to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Buffalo to Chicago O'Hare Intl Airport
Frequently asked questions about flying from Buffalo to Chicago O'Hare Intl Airport
How far is Buffalo to Chicago O'Hare Intl by plane?
The straight-line distance from Buffalo to Chicago O'Hare Intl is 464.0 mi. In terms of flight time, this usually takes a little over 1h 48m.
When did momondo last update prices for flights from Buffalo Airport to Chicago O'Hare Intl Airport?
Prices for flights from Buffalo Airport to Chicago O'Hare Intl Airport are updated daily.
How many operators does momondo search for flights from Buffalo Airport to Chicago O'Hare Intl Airport?
As of October 2026, there are 2 operators available to choose from for flights from Buffalo Airport to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Buffalo Airport to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Buffalo to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Buffalo to Chicago O'Hare Intl Airport is Airbus A319 (16.01% of total bookings). The next most popular plane models are Boeing 737-800 (15.92%), Embraer 175 (12.55%), and Canadair (Bombardier) Regional Jet CRJ-550 (11.54%).
What is the most popular airline from Buffalo to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buffalo to Chicago O'Hare Intl Airport is American Airlines (51% of total bookings). The next most popular airline is United Airlines (49%).
Best airlines flying from Buffalo to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Buffalo to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $145 | Free Cancellation | Rating 7.0 12,146 reviews | |||
| PriceFrom $235 | Free Cancellation | Rating 7.4 10,322 reviews |
United Airlines Flights From Buffalo to Chicago O'Hare Intl Airport
Across 26 United Airlines flights from Buffalo to Chicago O'Hare Intl Airport this week, the average price was $367, with the best United Airlines deals starting from $235 round-trip. 10,322 users have rated United Airlines on momondo, with an average score of 7.4/10.
American Airlines Flights From Buffalo to Chicago O'Hare Intl Airport
American Airlines is also a popular choice for this route. American Airlines flight deals for Buffalo to Chicago O'Hare Intl Airport start from as low as $145 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $361. American Airlines operates 16 flights to Chicago O'Hare Intl Airport from Buffalo in an average week. Users have rated it 7.0/10 across 12,146 reviews.
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?
Finding the right flight to Chicago from Buffalo is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.
Can I find flights from Buffalo to Chicago with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Buffalo to Chicago flights to just show those with flexible booking policies.
How can momondo help me find flights from Buffalo to Chicago?
momondo provides multiple filters to help you find the best flight to Chicago from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Buffalo to Chicago right now. Can momondo alert me if prices change?
Price alerts on flights to Chicago from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.