This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — CHI
15 Jan — 22 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Buffalo to Chicago are usually found in August or September, booked 35 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from Buffalo to Chicago
Enter your travel dates to find the best prices.
Cheapest flights from Buffalo to Chicago
Explore the most affordable flight options available from Buffalo to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 December 2025.
Wed 24/127:40 a.m.BUF - ORD
Nonstop2h 18mAmerican Airlines
Wed 31/123:16 p.m.ORD - BUF
Nonstop1h 43mAmerican Airlines
Deal found 14/12C$ 308
Thu 25/125:41 p.m.BUF - ORD
Nonstop2h 07mUnited Airlines
Tue 6/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 15/12C$ 319
Wed 24/124:30 p.m.BUF - ORD
1 stop6h 34mJetBlue
Wed 7/17:45 a.m.ORD - BUF
1 stop5h 45mJetBlue
Deal found 15/12C$ 378
Wed 24/121:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Wed 7/11:55 p.m.ORD - BUF
Nonstop1h 49mUnited Airlines
Deal found 15/12C$ 402
Thu 25/1211:04 a.m.BUF - ORD
1 stop8h 42mJetBlue
Fri 9/17:45 a.m.ORD - BUF
1 stop5h 45mJetBlue
Deal found 15/12C$ 487
Wed 24/121:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Sun 28/122:04 p.m.ORD - BUF
Nonstop1h 50mUnited Airlines
Deal found 14/12C$ 505
Sat 20/127:48 p.m.BUF - ORD
2 stops17h 15mUnited Airlines
Sun 21/122:04 p.m.ORD - BUF
Nonstop1h 50mUnited Airlines
Deal found 14/12C$ 508
Wed 24/122:50 p.m.BUF - ORD
1 stop5h 02mUnited Airlines
Thu 1/16:02 p.m.ORD - BUF
Nonstop1h 52mUnited Airlines
Deal found 14/12C$ 511
Thu 25/126:10 a.m.BUF - ORD
1 stop3h 51mDelta
Mon 5/11:57 p.m.ORD - BUF
1 stop9h 19mDelta
Deal found 15/12C$ 538
Wed 24/127:40 a.m.BUF - ORD
Nonstop2h 18mAmerican Airlines
Sun 28/126:09 a.m.ORD - BUF
1 stop5h 08mAmerican Airlines
Deal found 14/12C$ 539
Best flights from Buffalo to Chicago
Discover carefully curated flight deals from Buffalo to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 December 2025.
Mon 2/21:39 p.m.BUF - ORD
1 stop10h 07mFrontier
Thu 5/25:40 a.m.ORD - BUF
1 stop6h 04mFrontier
Deal found 15/12C$ 223
Tue 13/110:25 a.m.BUF - ORD
1 stop8h 18mJetBlue
Tue 20/17:45 a.m.ORD - BUF
1 stop5h 45mJetBlue
Deal found 15/12C$ 235
Sat 17/18:30 a.m.BUF - ORD
Nonstop2h 07mUnited Airlines
Sun 18/11:55 p.m.ORD - BUF
Nonstop1h 49mUnited Airlines
Deal found 14/12C$ 307
Tue 13/110:25 a.m.BUF - ORD
1 stop8h 18mJetBlue
Sun 18/17:45 a.m.ORD - BUF
1 stop5h 45mJetBlue
Deal found 15/12C$ 253
Wed 7/110:00 a.m.BUF - ORD
1 stop8h 43mJetBlue
Fri 9/17:45 a.m.ORD - BUF
1 stop5h 45mJetBlue
Deal found 15/12C$ 253
Tue 13/110:45 a.m.BUF - ORD
Nonstop2h 07mUnited Airlines
Tue 20/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 14/12C$ 319
Fri 6/36:00 a.m.BUF - ORD
1 stop6h 49mJetBlue
Tue 7/410:00 a.m.ORD - BUF
1 stop9h 00mJetBlue
Deal found 14/12C$ 285
Tue 20/110:25 a.m.BUF - ORD
1 stop8h 18mJetBlue
Tue 10/27:45 a.m.ORD - BUF
1 stop5h 45mJetBlue
Deal found 14/12C$ 307
Direct flights from Buffalo to Chicago
Explore direct flight options from Buffalo to Chicago based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 December 2025.
Sat 17/11:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Sun 18/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 15/12C$ 307
Tue 13/11:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Tue 20/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 15/12C$ 319
Tue 20/15:16 p.m.BUF - ORD
Nonstop2h 24mAmerican Airlines
Tue 10/21:54 p.m.ORD - BUF
Nonstop1h 41mAmerican Airlines
Deal found 15/12C$ 321
Thu 5/28:30 a.m.BUF - ORD
Nonstop2h 07mUnited Airlines
Tue 10/210:35 a.m.ORD - BUF
Nonstop1h 49mUnited Airlines
Deal found 14/12C$ 373
Fri 16/15:23 p.m.BUF - ORD
Nonstop2h 07mUnited Airlines
Sun 18/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 15/12C$ 380
Tue 13/11:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Sun 18/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 15/12C$ 402
Thu 15/11:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Thu 22/110:35 a.m.ORD - BUF
Nonstop1h 49mUnited Airlines
Deal found 16/12C$ 414
Sat 16/55:03 p.m.BUF - ORD
Nonstop1h 57mAmerican Airlines
Tue 19/511:40 a.m.ORD - BUF
Nonstop1h 32mAmerican Airlines
Deal found 15/12C$ 416
Wed 4/37:00 a.m.BUF - ORD
Nonstop2h 00mUnited Airlines
Sun 8/36:05 p.m.ORD - BUF
Nonstop1h 41mUnited Airlines
Deal found 14/12C$ 420
Sun 11/18:30 a.m.BUF - ORD
Nonstop2h 07mUnited Airlines
Sun 18/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 13/12C$ 428
Fri 23/11:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Mon 26/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 16/12C$ 433
Last-minute flights from Buffalo to Chicago
Discover last-minute flight deals from Buffalo to Chicago. Data last updated 16 December 2025 and is based on user searches.
Wed 24/127:40 a.m.BUF - ORD
Nonstop2h 18mAmerican Airlines
Wed 31/123:16 p.m.ORD - BUF
Nonstop1h 43mAmerican Airlines
Deal found 14/12C$ 308
Wed 24/124:30 p.m.BUF - ORD
1 stop6h 34mJetBlue
Wed 7/17:45 a.m.ORD - BUF
1 stop5h 45mJetBlue
Deal found 15/12C$ 378
Wed 24/121:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Tue 6/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 15/12C$ 402
Wed 7/110:00 a.m.BUF - ORD
1 stop8h 43mJetBlue
Fri 9/17:45 a.m.ORD - BUF
1 stop5h 45mJetBlue
Deal found 16/12C$ 253
Mon 12/11:15 p.m.BUF - ORD
1 stop23h 53mMultiple Airlines
Mon 19/110:48 a.m.ORD - BUF
1 stop8h 15mMultiple Airlines
Deal found 14/12C$ 385
Tue 13/110:25 a.m.BUF - ORD
1 stop8h 18mJetBlue
Tue 20/17:45 a.m.ORD - BUF
1 stop5h 45mJetBlue
Deal found 15/12C$ 235
Tue 13/11:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Tue 20/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 15/12C$ 319
Fri 16/15:23 p.m.BUF - ORD
Nonstop2h 07mUnited Airlines
Sun 18/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 15/12C$ 380
Sat 17/11:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Sun 18/15:50 p.m.ORD - BUF
Nonstop1h 39mUnited Airlines
Deal found 15/12C$ 307
Tue 20/15:16 p.m.BUF - ORD
Nonstop2h 24mAmerican Airlines
Tue 10/21:54 p.m.ORD - BUF
Nonstop1h 41mAmerican Airlines
Deal found 15/12C$ 321
One-way flights from Buffalo to Chicago
Search for one-way flight options from Buffalo to Chicago. Find affordable one-way fares based on user searches. Data last updated 16 December 2025.
Tue 13/110:25 a.m.BUF - ORD
1 stop8h 18mJetBlue
Deal found 15/12C$ 118
Mon 12/11:15 p.m.BUF - ORD
1 stop10h 24mFrontier
Deal found 14/12C$ 120
Sat 17/110:00 a.m.BUF - ORD
1 stop8h 43mJetBlue
Deal found 15/12C$ 125
Thu 15/110:00 a.m.BUF - ORD
1 stop8h 43mJetBlue
Deal found 14/12C$ 143
Sat 17/11:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Deal found 16/12C$ 154
Wed 7/11:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Deal found 16/12C$ 167
Sun 18/16:03 a.m.BUF - ORD
1 stop4h 38mDelta
Deal found 16/12C$ 168
Fri 30/11:39 p.m.BUF - ORD
2 stops22h 43mMultiple Airlines
Deal found 15/12C$ 169
Wed 14/12:56 p.m.BUF - ORD
1 stop6h 51mDelta
Deal found 14/12C$ 180
Thu 1/111:04 a.m.BUF - ORD
1 stop8h 42mJetBlue
Deal found 15/12C$ 182
Thu 1/16:30 a.m.BUF - ORD
Nonstop2h 07mUnited Airlines
Deal found 15/12C$ 195
Find flight deals from Buffalo to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 December 2025.
Customize your flight search to find flights from Buffalo to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 December 2025.
Use the filters below to find and compare flights from Buffalo to Chicago that are best for you.
Fly from
Buffalo
Fly to
Chicago
Route
Depart
Return
Price
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Mon 2/2
1:39 p.m.-10:46 p.m.
1 stop10h 07m
Chicago O'Hare Intl
Thu 5/2
5:40 a.m.-12:44 p.m.
1 stop6h 04m
C$ 223
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Tue 13/1
10:25 a.m.-5:43 p.m.
1 stop8h 18m
Chicago O'Hare Intl
Tue 20/1
7:45 a.m.-2:30 p.m.
1 stop5h 45m
C$ 235
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Tue 13/1
10:25 a.m.-5:43 p.m.
1 stop8h 18m
Chicago O'Hare Intl
Sun 18/1
7:45 a.m.-2:30 p.m.
1 stop5h 45m
C$ 253
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Wed 7/1
10:00 a.m.-5:43 p.m.
1 stop8h 43m
Chicago O'Hare Intl
Fri 9/1
7:45 a.m.-2:30 p.m.
1 stop5h 45m
C$ 253
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Fri 6/3
6:00 a.m.-11:49 a.m.
1 stop6h 49m
Chicago O'Hare Intl
Tue 7/4
10:00 a.m.-8:00 p.m.
1 stop9h 00m
C$ 285
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Sat 17/1
8:30 a.m.-9:37 a.m.
Nonstop2h 07m
Chicago O'Hare Intl
Sun 18/1
1:55 p.m.-4:44 p.m.
Nonstop1h 49m
C$ 307
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Tue 20/1
10:25 a.m.-5:43 p.m.
1 stop8h 18m
Chicago O'Hare Intl
Tue 10/2
7:45 a.m.-2:30 p.m.
1 stop5h 45m
C$ 307
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Tue 13/1
10:45 a.m.-11:52 a.m.
Nonstop2h 07m
Chicago O'Hare Intl
Tue 20/1
5:50 p.m.-8:29 p.m.
Nonstop1h 39m
C$ 319
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Tue 13/1
10:25 a.m.-5:43 p.m.
1 stop8h 18m
C$ 118
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Fri 30/1
10:00 a.m.-5:43 p.m.
1 stop8h 43m
C$ 125
Flights are sorted by cheapest round-trip flights first.
Deals found on 15/12
Showing 1-10 of 18 results
1
2
Best time to book a flight from Buffalo to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Buffalo to Chicago
How far ahead should I book a flight from Buffalo to Chicago?
Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Chicago. Price data was last updated on 12 December 2025.
The best time to book flights from Buffalo to Chicago is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Buffalo to Chicago?
Currently, July is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 106). Flying from Buffalo to Chicago in November is currently the most expensive (average of C$ 355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BUF to CHI?
Find hourly flight availability from Buffalo to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 December 2025.
When flying from Buffalo to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% versus a flight at noon.
What is the cheapest day to fly from Buffalo to Chicago?
Use this chart to determine the cheapest time to fly round-trip from Buffalo to Chicago. Price data was last updated on 13 December 2025.
Travelers seeking maximum savings on their Buffalo to Chicago flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from Buffalo to Chicago?
What’s the top layover airport for flights from Buffalo to Chicago?
Share of one-stop round-trip flights from Buffalo to Chicago chosen by Cheapflights users in the past 12 months, using the same layover each way.
Atlanta (ATL) – chosen by Cheapflights users on 50% of one-stop itineraries from Buffalo to Chicago on Cheapflights.
What’s the cheapest layover airport for flights from Buffalo to Chicago?
Average round-trip fare for 1-stop flights from Buffalo to Chicago, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of C$ 193.
What’s the fastest layover option from Buffalo to Chicago?
Shortest average travel time for 1-stop one-way flights from Buffalo to Chicago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Baltimore (BWI) have the shortest average one-way travel time for 1-stop routes: 5h 15m.
Which airport typically offers the quickest layover for flights from Buffalo to Chicago?
Average layover duration for 1-stop one-way flights from Buffalo to Chicago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Tampa (TPA) offer the fastest connection on this route, with an average layover time of 1h 48m.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated 16 December 2025.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Buffalo to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Buffalo to Chicago?
If you book a flight to Chicago from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 13.4 km from the centre of Buffalo. There are 9 flights from Buffalo to Chicago per day from 3 different airlines.
How long is the flight from Buffalo to Chicago?
Departing from Buffalo to Chicago will take you 8h 18m. Airlines will cover a distance of 760 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Buffalo to Chicago round-trip?
Flying on American Airlines is currently your cheapest option to Chicago, with prices starting at C$ 160. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at C$ 319 and C$ 341, respectively. You may be able to fly from Buffalo to Chicago for 63% less than the average price by searching for these airlines.
What are the most reliable airlines from Buffalo to Chicago?
The top 3 most reliable airlines when flying from Buffalo to Chicago are Copa Airlines (81%), Royal Jordanian (77%) and American Airlines (75%).
What are the cheapest flights from Buffalo to Chicago?
While on average a flight from Buffalo to Chicago is generally C$ 1,019, our data shows the cheapest flight currently is C$ 176. When looking at the most popular route, (Buffalo - Chicago O'Hare Intl), you can expect to pay C$ 286 for that flight.
Can I find deals for business class flights from Buffalo to Chicago?
Yes. Cheapflights offers flight deals from Buffalo to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Buffalo to Chicago?
Currently, July is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 106). Flying from Buffalo to Chicago in November is currently the most expensive (average of C$ 355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 December 2025.
Discover the top 3 airlines that operate flights from Buffalo to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Buffalo to Chicago?
When you search for this flight from Buffalo to Chicago, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Buffalo to Chicago?
Cheapflights helps you find that perfect flight to Chicago from Buffalo by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Buffalo to Chicago with no change fees?
Certainly. Search results for flights to Chicago from Buffalo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Buffalo to Chicago become cheaper?
Yes, Cheapflights offers price alerts on Buffalo to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.