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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — CHI
29 Nov — 6 Dec1
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 84 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap 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 30 October 2025.
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 30 October 2025.
Thu 13/111:04 p.m.BUF - ORD
1 stop11h 24mFrontier
Sun 16/115:01 a.m.ORD - BUF
1 stop7h 46mFrontier
Deal found 28/10C$ 215
Tue 9/125:00 p.m.BUF - ORD
1 stop5h 52mJetBlue
Sat 13/1211:25 a.m.ORD - BUF
1 stop8h 19mJetBlue
Deal found 30/10C$ 253
Fri 14/1112:29 p.m.BUF - ORD
1 stop11h 59mFrontier
Sun 16/111:50 p.m.ORD - BUF
1 stop5h 19mFrontier
Deal found 29/10C$ 257
Tue 11/116:00 a.m.BUF - ORD
1 stop5h 35mJetBlue
Tue 18/117:00 a.m.ORD - BUF
1 stop7h 39mJetBlue
Deal found 28/10C$ 304
Mon 10/112:42 p.m.BUF - ORD
1 stop10h 29mFrontier
Mon 24/116:15 p.m.ORD - BUF
1 stop22h 37mFrontier
Deal found 29/10C$ 313
Fri 31/102:42 p.m.BUF - ORD
1 stop9h 57mFrontier
Sun 2/111:50 p.m.ORD - BUF
1 stop5h 19mFrontier
Deal found 27/10C$ 320
Thu 20/112:01 p.m.BUF - ORD
1 stop9h 35mFrontier
Sun 23/1112:17 p.m.ORD - BUF
1 stop21h 45mFrontier
Deal found 30/10C$ 323
Fri 14/1110:08 a.m.BUF - ORD
1 stop11h 44mJetBlue
Tue 18/117:00 a.m.ORD - BUF
1 stop7h 39mJetBlue
Deal found 28/10C$ 324
Fri 14/1110:08 a.m.BUF - ORD
1 stop11h 44mJetBlue
Mon 17/116:45 a.m.ORD - BUF
1 stop7h 54mJetBlue
Deal found 27/10C$ 332
Thu 30/101:04 p.m.BUF - ORD
1 stop11h 24mFrontier
Thu 6/111:50 p.m.ORD - BUF
1 stop5h 19mFrontier
Deal found 29/10C$ 337
Fri 14/112:42 p.m.BUF - ORD
2 stops10h 45mMultiple Airlines
Sun 16/111:50 p.m.ORD - BUF
1 stop5h 19mMultiple Airlines
Deal found 29/10C$ 345
Thu 13/1112:30 p.m.BUF - ORD
1 stop6h 25mJetBlue
Tue 18/117:00 a.m.ORD - BUF
1 stop7h 39mJetBlue
Deal found 27/10C$ 348
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 30 October 2025.
Tue 20/17:00 a.m.BUF - ORD
1 stop7h 10mJetBlue
Tue 10/22:05 p.m.ORD - BUF
1 stop8h 50mJetBlue
Deal found 28/10C$ 214
Fri 14/119:53 p.m.BUF - ORD
1 stop18h 15mFrontier
Mon 17/111:50 p.m.ORD - BUF
1 stop6h 18mFrontier
Deal found 28/10C$ 215
Thu 8/12:45 p.m.BUF - ORD
1 stop6h 00mJetBlue
Mon 12/12:05 p.m.ORD - BUF
1 stop8h 50mJetBlue
Deal found 27/10C$ 216
Fri 14/1112:29 p.m.BUF - ORD
1 stop11h 59mFrontier
Sun 16/111:50 p.m.ORD - BUF
1 stop5h 19mFrontier
Deal found 29/10C$ 257
Wed 7/17:00 a.m.BUF - ORD
1 stop7h 10mJetBlue
Fri 9/110:45 a.m.ORD - BUF
1 stop7h 05mJetBlue
Deal found 27/10C$ 253
Tue 11/116:00 a.m.BUF - ORD
1 stop5h 35mJetBlue
Tue 18/117:00 a.m.ORD - BUF
1 stop7h 39mJetBlue
Deal found 28/10C$ 304
Sun 1/312:47 p.m.BUF - ORD
1 stop11h 48mFrontier
Tue 3/39:00 a.m.ORD - BUF
1 stop7h 11mFrontier
Deal found 27/10C$ 391
Fri 16/12:45 p.m.BUF - ORD
1 stop6h 00mJetBlue
Sun 18/12:05 p.m.ORD - BUF
1 stop8h 50mJetBlue
Deal found 28/10C$ 394
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 30 October 2025.
Thu 18/1212:46 p.m.BUF - ORD
Nonstop2h 20mAmerican Airlines
Wed 24/129:50 a.m.ORD - BUF
Nonstop1h 38mAmerican Airlines
Deal found 28/10C$ 374
Wed 3/127:00 a.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Tue 9/126:25 p.m.ORD - BUF
Nonstop1h 50mUnited Airlines
Deal found 29/10C$ 376
Sun 7/127:00 a.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Wed 10/1210:35 a.m.ORD - BUF
Nonstop1h 37mUnited Airlines
Deal found 27/10C$ 383
Thu 4/121:50 p.m.BUF - ORD
Nonstop2h 03mUnited Airlines
Mon 8/127:10 a.m.ORD - BUF
Nonstop1h 38mUnited Airlines
Deal found 29/10C$ 409
Tue 2/121:50 p.m.BUF - ORD
Nonstop2h 03mUnited Airlines
Fri 5/127:10 a.m.ORD - BUF
Nonstop1h 38mUnited Airlines
Deal found 28/10C$ 430
Fri 2/16:00 a.m.BUF - ORD
Nonstop1h 59mAmerican Airlines
Sun 4/18:05 p.m.ORD - BUF
Nonstop1h 39mAmerican Airlines
Deal found 30/10C$ 434
Wed 24/125:35 p.m.BUF - ORD
Nonstop2h 15mUnited Airlines
Mon 29/122:04 p.m.ORD - BUF
Nonstop1h 50mUnited Airlines
Deal found 29/10C$ 440
Tue 20/110:45 a.m.BUF - ORD
Nonstop2h 07mUnited Airlines
Tue 10/21:55 p.m.ORD - BUF
Nonstop1h 49mUnited Airlines
Deal found 28/10C$ 441
Wed 25/27:00 a.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Sun 1/310:35 a.m.ORD - BUF
Nonstop1h 42mUnited Airlines
Deal found 28/10C$ 445
Tue 25/116:24 a.m.BUF - ORD
Nonstop2h 00mAmerican Airlines
Fri 28/1111:52 a.m.ORD - BUF
Nonstop1h 36mAmerican Airlines
Deal found 29/10C$ 447
Thu 11/1210:30 a.m.BUF - ORD
Nonstop2h 06mUnited Airlines
Sun 14/1210:35 a.m.ORD - BUF
Nonstop1h 37mUnited Airlines
Deal found 30/10C$ 462
Last-minute flights from Buffalo to Chicago
Discover last-minute flight deals from Buffalo to Chicago. Data last updated 30 October 2025 and is based on user searches.
Thu 30/101:04 p.m.BUF - ORD
1 stop11h 24mFrontier
Thu 6/111:50 p.m.ORD - BUF
1 stop5h 19mFrontier
Deal found 29/10C$ 337
Mon 10/112:42 p.m.BUF - ORD
1 stop10h 29mFrontier
Mon 24/116:15 p.m.ORD - BUF
1 stop22h 37mFrontier
Deal found 29/10C$ 313
Mon 10/1111:26 a.m.BUF - ORD
1 stop8h 56mAmerican Airlines
Mon 24/118:59 p.m.ORD - BUF
Nonstop1h 37mAmerican Airlines
Deal found 29/10C$ 459
Fri 14/1112:29 p.m.BUF - ORD
1 stop11h 59mFrontier
Sun 16/111:50 p.m.ORD - BUF
1 stop5h 19mFrontier
Deal found 29/10C$ 257
Fri 14/112:42 p.m.BUF - ORD
2 stops10h 45mMultiple Airlines
Sun 16/111:50 p.m.ORD - BUF
1 stop5h 19mMultiple Airlines
Deal found 29/10C$ 345
Wed 19/1112:15 p.m.BUF - ORD
1 stop10h 37mJetBlue
Thu 27/111:43 p.m.ORD - BUF
1 stop7h 08mJetBlue
Deal found 30/10C$ 320
Thu 20/112:01 p.m.BUF - ORD
1 stop9h 35mFrontier
Sun 23/1112:17 p.m.ORD - BUF
1 stop21h 45mFrontier
Deal found 30/10C$ 323
Thu 20/112:10 p.m.BUF - ORD
1 stop6h 17mJetBlue
Thu 27/111:43 p.m.ORD - BUF
1 stop7h 08mJetBlue
Deal found 30/10C$ 478
Mon 24/116:10 a.m.BUF - ORD
1 stop5h 09mDelta
Sat 29/116:45 a.m.ORD - BUF
1 stop4h 46mDelta
Deal found 29/10C$ 398
Mon 24/1110:50 a.m.BUF - ORD
Nonstop2h 06mUnited Airlines
Fri 28/118:50 a.m.ORD - BUF
1 stop4h 30mUnited Airlines
Deal found 28/10C$ 454
Tue 25/116:24 a.m.BUF - ORD
Nonstop2h 00mAmerican Airlines
Fri 28/1111:52 a.m.ORD - BUF
Nonstop1h 36mAmerican Airlines
Deal found 29/10C$ 447
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 30 October 2025.
Thu 13/111:04 p.m.BUF - ORD
1 stop11h 24mFrontier
Deal found 27/10C$ 94
Tue 27/12:45 p.m.BUF - ORD
1 stop6h 00mJetBlue
Deal found 28/10C$ 108
Mon 26/17:00 a.m.BUF - ORD
1 stop7h 10mJetBlue
Deal found 28/10C$ 109
Sun 25/12:45 p.m.BUF - ORD
1 stop6h 00mJetBlue
Deal found 28/10C$ 119
Mon 27/46:30 a.m.BUF - ORD
1 stop7h 20mJetBlue
Deal found 28/10C$ 135
Fri 14/112:42 p.m.BUF - ORD
1 stop10h 29mFrontier
Deal found 27/10C$ 138
Thu 4/126:05 a.m.BUF - ORD
1 stop5h 30mJetBlue
Deal found 29/10C$ 147
Sat 25/46:30 a.m.BUF - ORD
1 stop7h 20mJetBlue
Deal found 28/10C$ 166
Sat 13/123:18 p.m.BUF - ORD
1 stop23h 13mFrontier
Deal found 29/10C$ 168
Thu 27/117:00 a.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Deal found 28/10C$ 169
Fri 24/43:20 p.m.BUF - ORD
1 stop8h 39mJetBlue
Deal found 28/10C$ 173
Wed 24/121:59 p.m.BUF - ORD
Nonstop2h 05mUnited Airlines
Deal found 28/10C$ 183
Cheapflights Fare Finder
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 30 October 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
Tue 20/1
7:00 a.m.-1:10 p.m.
1 stop7h 10m
Chicago O'Hare Intl
Tue 10/2
2:05 p.m.-11:55 p.m.
1 stop8h 50m
C$ 214
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Fri 14/11
9:53 p.m.-3:08 p.m.
1 stop18h 15m
Chicago O'Hare Intl
Mon 17/11
1:50 p.m.-9:08 p.m.
1 stop6h 18m
C$ 215
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Thu 8/1
2:45 p.m.-7:45 p.m.
1 stop6h 00m
Chicago O'Hare Intl
Mon 12/1
2:05 p.m.-11:55 p.m.
1 stop8h 50m
C$ 216
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Wed 7/1
7:00 a.m.-1:10 p.m.
1 stop7h 10m
Chicago O'Hare Intl
Fri 9/1
10:45 a.m.-6:50 p.m.
1 stop7h 05m
C$ 253
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Fri 14/11
12:29 p.m.-11:28 p.m.
1 stop11h 59m
Chicago O'Hare Intl
Sun 16/11
1:50 p.m.-8:09 p.m.
1 stop5h 19m
C$ 257
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Tue 11/11
6:00 a.m.-10:35 a.m.
1 stop5h 35m
Chicago O'Hare Intl
Tue 18/11
7:00 a.m.-3:39 p.m.
1 stop7h 39m
C$ 304
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Sun 1/3
12:47 p.m.-11:35 p.m.
1 stop11h 48m
Chicago O'Hare Intl
Tue 3/3
9:00 a.m.-5:11 p.m.
1 stop7h 11m
C$ 391
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Fri 16/1
2:45 p.m.-7:45 p.m.
1 stop6h 00m
Chicago O'Hare Intl
Sun 18/1
2:05 p.m.-11:55 p.m.
1 stop8h 50m
C$ 394
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Sat 31/1
2:45 p.m.-7:45 p.m.
1 stop6h 00m
C$ 108
BuffaloChicago
BUF - ORD
BUFORD
Buffalo
Tue 27/1
2:45 p.m.-7:45 p.m.
1 stop6h 00m
C$ 108
Flights are sorted by cheapest round-trip flights first.
Deals found on 28/10
Showing 1-10 of 20 results
1
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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 24 October 2025.
The best time to book flights from Buffalo to Chicago is 84 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$ 108). Flying from Buffalo to Chicago in January is currently the most expensive (average of C$ 324). 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 30 October 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 43% versus a flight in the afternoon.
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 26 October 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. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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$ 196.
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 30 October 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.
AC was not adequate, even on a night flight. WiFi subpar even for the airlines
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 13 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 7h 10m. 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$ 312. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at C$ 324 and C$ 346, respectively. You may be able to fly from Buffalo to Chicago for 29% 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 SkyWest Airlines (100%), Republic Airways (100%) and Copa Airlines (93%).
What are the cheapest flights from Buffalo to Chicago?
While on average a flight from Buffalo to Chicago is generally C$ 911, our data shows the cheapest flight currently is C$ 214. When looking at the most popular route, (Buffalo - Chicago O'Hare Intl), you can expect to pay C$ 345 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$ 108). Flying from Buffalo to Chicago in January is currently the most expensive (average of C$ 324). 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 30 October 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 30 October 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.
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