BUF - ORD

C$ 136 Find Cheap Flights from Buffalo to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Buffalo to O'Hare Intl departing on 20/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to Chicago, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to Chicago, as well as popular online travel agencies
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Cheap Flight Deals from Buffalo to Chicago (BUF-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Buffalo to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Buffalo to O'Hare Intl

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Buffalo to O'Hare Intl.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
7:05 a.m. - 12:21 p.m.BUF-ORD
6h 16m1 stop
1:26 p.m. - 9:57 p.m.ORD-BUF
7h 31m1 stop
C$ 270JetBlue
Find Deal
Sun, 20 Apr - Wed, 23 Apr
9:51 a.m. - 11:32 p.m.BUF-ORD
14h 41m1 stop
4:15 p.m. - 9:01 a.m.ORD-BUF
15h 46m1 stop
C$ 273Frontier
Find Deal
Sat, 17 May - Mon, 19 May
7:00 a.m. - 8:02 a.m.BUF-ORD
2h 02mdirect
2:12 p.m. - 4:55 p.m.ORD-BUF
1h 43mdirect
C$ 398United Airlines
Find Deal
Thu, 27 Mar - Mon, 31 Mar
5:30 a.m. - 1:18 p.m.BUF-ORD
8h 48m1 stop
6:17 a.m. - 11:53 a.m.ORD-BUF
4h 36m1 stop
C$ 402American Airlines
Find Deal
Mon, 17 Mar - Thu, 20 Mar
12:50 p.m. - 10:16 p.m.BUF-ORD
10h 26m1 stop
8:15 a.m. - 10:49 a.m.ORD-BUF
1h 34mdirect
C$ 409American Airlines
Find Deal
Mon, 17 Mar - Thu, 20 Mar
7:00 a.m. - 7:58 a.m.BUF-ORD
1h 58mdirect
5:59 p.m. - 11:44 p.m.ORD-BUF
4h 45m1 stop
C$ 412United Airlines
Find Deal
Wed, 2 Apr - Wed, 2 Apr
5:45 a.m. - 6:23 p.m.BUF-ORD
13h 38m1 stop
5:05 p.m. - 11:00 p.m.ORD-BUF
4h 55m1 stop
C$ 418Delta
Find Deal
Wed, 16 Apr - Wed, 23 Apr
5:45 a.m. - 6:23 p.m.BUF-ORD
13h 38m1 stop
6:15 p.m. - 11:00 p.m.ORD-BUF
3h 45m1 stop
C$ 421Delta
Find Deal
Wed, 16 Apr - Sun, 20 Apr
10:25 a.m. - 10:00 p.m.BUF-ORD
12h 35m2 stops
4:00 p.m. - 10:40 p.m.ORD-BUF
5h 40m1 stop
C$ 442Southwest
Find Deal
Mon, 24 Mar - Wed, 26 Mar
10:55 a.m. - 9:30 p.m.BUF-ORD
11h 35m2 stops
1:50 p.m. - 6:55 p.m.ORD-BUF
4h 05m1 stop
C$ 486Southwest
Find Deal
Tue, 1 Apr - Tue, 8 Apr

Flights from Buffalo to O'Hare Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Buffalo to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Buffalo to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Buffalo to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Buffalo to Chicago O'Hare Intl Airport is September, where tickets cost C$ 403 (return) on average. On the other hand, the most expensive months are February and July, where the average cost of round-trip tickets is C$ 630 and C$ 523 respectively.

Can I save money by flying with a layover from Buffalo to Chicago O'Hare Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.
No, with an average price for the route of C$ 548, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Buffalo to Chicago O'Hare Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Buffalo to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Buffalo to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Good to know

Low season

January

High season

August

Cheapest flight

C$ 136
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly and prices are also 12% lower on average.
Flight from Buffalo to Chicago

When to book flights from Buffalo to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Buffalo to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Buffalo to Chicago flights

  • What is the cheapest flight from Buffalo to Chicago O'Hare Intl Airport?

    In the last 3 days, the lowest price for a flight from Buffalo to Chicago O'Hare Intl Airport was C$ 94 for a one-way ticket and C$ 187 for a round-trip.

  • Which airlines offer Wi-Fi service onboard planes from Buffalo to Chicago?

    American Airlines, JetBlue, Delta, and United Airlines offer inflight Wi-Fi service on the Buffalo to Chicago flight route.

  • Which aircraft models fly most regularly from Buffalo to Chicago?

    The Embraer 170 is the aircraft model that flies most regularly on the Buffalo to Chicago flight route.

  • Which airline alliances offer flights from Buffalo to Chicago?

    oneworld, and Star Alliance are the airline alliances operating flights between Buffalo and Chicago, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Buffalo to Chicago?

    There are direct flights from Buffalo to Chicago on a daily basis.

  • Which is the best airline for flights from Buffalo to Chicago, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Buffalo to Chicago are United Airlines and American Airlines. With an average price for the route of C$ 518 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of C$ 432 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from Buffalo to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Buffalo to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Buffalo to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Buffalo is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Buffalo to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Buffalo with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Buffalo to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Buffalo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Buffalo to Chicago O'Hare Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 245 or less one-way and C$ 624 or less round-trip.

Prefer to fly direct from Buffalo to Chicago?

Find which airlines fly direct from Buffalo Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

Buffalo to Chicago O'Hare Intl

Monday

ANA,Air Canada,Air New Zealand, +10 more

ANA,Air Canada, +11 more

Tuesday

ANA,Air Canada,Air New Zealand, +10 more

ANA,Air Canada, +11 more

Wednesday

ANA,Air Canada,Air New Zealand, +10 more

ANA,Air Canada, +11 more

Thursday

ANA,Air Canada,Air New Zealand, +9 more

ANA,Air Canada, +10 more

Friday

ANA,Air Canada,Air New Zealand, +10 more

ANA,Air Canada, +11 more

Saturday

ANA,Air Canada,Air New Zealand, +9 more

ANA,Air Canada, +10 more

Sunday

ANA,Air Canada,Air New Zealand, +10 more

ANA,Air Canada, +11 more

See more nonstop flights

Direct returns

Chicago O'Hare Intl to Buffalo

Monday

ANA,Air Canada,Air New Zealand, +11 more

ANA,Air Canada, +12 more

Tuesday

ANA,Air Canada,Air New Zealand, +11 more

ANA,Air Canada, +12 more

Wednesday

ANA,Air Canada,Air New Zealand, +11 more

ANA,Air Canada, +12 more

Thursday

ANA,Air Canada,Air New Zealand, +10 more

ANA,Air Canada, +11 more

Friday

ANA,Air Canada,Air New Zealand, +11 more

ANA,Air Canada, +12 more

Saturday

ANA,Air Canada,Air New Zealand, +10 more

ANA,Air Canada, +11 more

Sunday

ANA,Air Canada,Air New Zealand, +11 more

ANA,Air Canada, +12 more

See more nonstop flights
See more nonstop flights

Top 3 airlines serving from Buffalo to O'Hare Intl

 
See real verified KAYAK customer reviews for airlines flying from Buffalo to Chicago. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Buffalo to O'Hare Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8679 reviews
8.1Crew
6.6Food
7.7Boarding
7.3Comfort
7.1Entertainment
Airline reviews

There's just no way to sit fully upright and comfortably in these seats. There needs to be 2 more inches of room, and that's not something that only one person on the flight needs - the whole flight needs 2 more inches of room. If that means you sell 6 less seats, so be it. It's too close for anyone. Forcing people to pay for "premium" economy just to get "barely enough space to breathe" isn't really an answer to that.

8.0 ExcellentStephen, Jan 2025EWR - ORD
Read more United Airlines reviews

There's just no way to sit fully upright and comfortably in these seats. There needs to be 2 more inches of room, and that's not something that only one person on the flight needs - the whole flight needs 2 more inches of room. If that means you sell 6 less seats, so be it. It's too close for anyone. Forcing people to pay for "premium" economy just to get "barely enough space to breathe" isn't really an answer to that.

The crew were very nice. The Chocolate is good and v there’s no entertainment. Thanks

The crew were very nice. I would have appreciated a pillow for comfort. I had a special meal that was sloppy, but the salad was great. Thanks

The plane was in Moline all night. Consequently, we assumed an on time departure at 8:15am. Unfortunately, and as is the normal case with United in Moline, we departed 2.5 hours late. When the crew came, it was discovered that there was very little heat in the plane. Seems this should have been checked hours before the crew arrived. Then when we boarded and the plane was to be de-iced, the United de-icing truck was not working! We awaited the American Airlines truck. All of this caused us to miss our connection in Chicago. My suggestion is never take United Airlines flight from Moline. We have been disappointed 80% of the time and have vowed to not take United again from Moline.

Flight was delayed two hours. No snacks and no tv screens. My bag got stuck in Chicago

The aircrew was solid, the flight was chill, I had no issues. The gate agent was not the best. I was trying to use a military bag upgrade to move my bag from under the seat to the overhead bins and he told me there’s no overhead bins on the plane, argued with me why booking put a military member in basic economy (I don’t really understand this) and made it an issue to even try to help me stating I’d have to call reservations to get a bag upgrade. When every other agent with United can add it at the gate, this man couldn’t be bothered.

They canceled our flight and left us stranded to figure it out

Everything was very good. Was able to change a make run flight leaving on direct earlier in the app -seamless!!! Well done

Being stick waiting for gate at ORD cause me to almost miss my connecting flight…being deaf United made no no effort to keep me updated as I couldn’t hear the PA

As usual, United scheduling is completely misleading. A 54-minute layover at O’Hare is too short to make a lot of connections, especially since the flight landed “on time” but had to wait on the taxiway 15 minutes for a gate to open up. Then it takes another 10 minutes to exit the plane before one can run to another concourse to catch a connecting flight.

Everything was great. Boarding, early departure, early arrival, and deplaning were smooth. Smooth flight.

Per usual, flight status, staff courtesy and professionalism were excellent

The only thing is if Wi-Fi is available after you land and taxi to the gate. It takes forever to get to the gate, and having the Wi-Fi continue would be great to bide the time at least 5 minutes before you arrive at the entrance. That is my only comment; otherwise, everything was good.

Had to wait on pilot and crew to depart and had to wait to arrive at the gate because they only had 2 crews working. Delays, delays....Planes just keep getting smaller and tighter and they nickle and dime for everything. When will an airline actually wake up and make flying more enjoyable?

Seating was horrible. Small seats. Access to flight information and extras very iser unfriendly. Kept losing internet after paying for it. Staff in madison was as unprofessional and unhelpful.

Delayed due to no crew. On a major holiday travel day.

Other than being delayed 5.5 hours and having to get a hotel because I missed my connecting flight, it was an okay flight. No in-flight Wi-Fi or entertainment.

It was nice being on a flight that had working wifi. The boarding was quick - why don’t all airlines have small boarding groups window to aisle? Makes so much sense!!! I was disappointed to be the first person stopped to have to gate check my carryon. Especially when there was plenty of overhead space at the back! But I get it…keeps it moving. Crew was nice.

The flight from Buffalo to Chicago was on an older and smaller plane. Seating was tight. Looking closely at the interior of the aircraft there were definitely signs of aging and wear.

The flight encountered a delay exceeding 4 hours. The food voucher issued was valued at $12, insufficient to cover our meal expenses. Consequently, I was unable to take my medication, leading to a drop in blood sugar levels and exacerbating my anxiety.

Would be great if Frontier can Assign Seats together under one PNR

Early arrival. Great landing. Pilot updates. Too cold in plane.

Better to put road truck seat in plain it so uncomfortable can not adjustable and fill metal don’t have cushions at all it’s very hard to travel for five hours

Since they are a budget airline, I wasn’t expecting too much but they did some things well. They were on time, the plane was clean, boarding was fairly straightforward and the staff was cheerful and friendly. The only downside was comfort. The seats were fairly hard and after a 2 hour flight your rear end is not feeling so great. Maybe a little more cushion in the seats, Frontier!

They cancelled the flight and did nothing. I should be compensated for my uber rides to and from airport. Not a good service by frontier or kayak.

No frills for sure. No gate announcements about flight delay, not even water to drink on the flight.

food not having to pay for it, reclining seat would be nice, more leg room, HEAT!!!!!!!

An absolutely fraudulent experience. Extremely unprofessional. Terrible in all ways possible. Rude staff, flight attendants, and deceptive "policies."

The worst service , the agents from the counter are really bad . Poor customer service . They didnt help me to get in the flight . I was on line when they close the flight without telling and I couldn’t board the plane . I will like to get my money back ey back because it was their fault. Really bad management , bad manners, bad additud

The check in process was a mess for no reason. I spent an hour waiting in line trying to get them to print my boarding pass and as a result I missed my flight.

Travelling to a place near O'Hare Intl?

Book flights to O'Hare Intl if you plan to visit one of these locations
Rosemont
Schaumburg
Oak Brook
Skokie
Hoffman Estates
Glenview
Naperville
Itasca
Benton Harbor
Elk Grove Village
Des Plaines
North Chicago
Deerfield
New Buffalo
Portage
Joliet
Northbrook
Vernon Hills
Tinley Park
Racine

Everything you need to know for your flight from Buffalo to O'Hare Intl

Information on your arrival and departure airports

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