This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — CHI
17 Oct — 24 Oct1
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 February or September, booked 35 days in advance, depart on a Thursday or Friday and return on a Monday
Cheap flight deals from Buffalo to Chicago
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
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 17 September 2026.
Tue 13/106:51 p.m. -
1 stop14h 00m
Tue 20/107:44 p.m. -
1 stop16h 15m
Deal found 15/9C$ 349
Tue 13/105:50 p.m. -
Nonstop2h 10m
Tue 20/109:16 p.m. -
Nonstop1h 43m
Deal found 15/9C$ 350
Mon 19/101:44 p.m. -
2 stops19h 07m
Wed 21/106:00 a.m. -
1 stop5h 59m
Deal found 14/9C$ 363
Mon 19/105:50 p.m. -
Nonstop2h 10m
Wed 21/108:03 a.m. -
Nonstop1h 50m
Deal found 14/9C$ 374
Sat 12/125:40 p.m. -
Nonstop2h 14m
Mon 14/126:55 a.m. -
Nonstop1h 49m
Deal found 14/9C$ 375
Wed 21/1011:24 a.m. -
Nonstop2h 05m
Wed 4/118:00 a.m. -
Nonstop1h 48m
Deal found 16/9C$ 377
Sat 31/103:53 p.m. -
1 stop5h 37m
Sat 7/112:00 p.m. -
1 stop5h 48m
Deal found 16/9C$ 378
Sat 12/1210:41 a.m. -
1 stop7h 48m
Mon 14/128:00 a.m. -
Nonstop1h 48m
Deal found 14/9C$ 388
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 17 September 2026.
Sat 31/103:53 p.m. -
1 stop5h 37m
Sat 7/112:00 p.m. -
1 stop5h 48m
Deal found 16/9C$ 378
Sat 17/105:45 p.m. -
Nonstop2h 02m
Mon 19/106:00 p.m. -
Nonstop1h 47m
Deal found 16/9C$ 473
Mon 28/91:40 p.m. -
1 stop5h 43m
Fri 20/115:12 p.m. -
1 stop17h 56m
Deal found 12/9C$ 530
Thu 15/106:00 a.m. -
1 stop8h 08m
Tue 20/105:29 p.m. -
1 stop5h 30m
Deal found 15/9C$ 403
Thu 22/103:53 p.m. -
1 stop3h 36m
Tue 27/108:36 a.m. -
1 stop7h 52m
Deal found 14/9C$ 403
Thu 8/1010:46 a.m. -
Nonstop1h 59m
Tue 13/106:00 p.m. -
Nonstop1h 47m
Deal found 16/9C$ 473
Sat 12/1212:06 p.m. -
1 stop5h 11m
Mon 14/122:39 p.m. -
1 stop7h 17m
Deal found 14/9C$ 403
Wed 14/107:00 a.m. -
Nonstop2h 00m
Thu 15/102:00 p.m. -
Nonstop1h 43m
Deal found 15/9C$ 473
Wed 21/102:10 p.m. -
1 stop6h 10m
Wed 4/117:00 a.m. -
1 stop5h 29m
Deal found 16/9C$ 406
Mon 5/102:10 p.m. -
1 stop7h 21m
Thu 8/106:00 a.m. -
1 stop6h 29m
Deal found 15/9C$ 506
Thu 19/116:00 a.m. -
1 stop8h 08m
Thu 26/112:44 p.m. -
1 stop3h 12m
Deal found 15/9C$ 506
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 17 September 2026.
Tue 13/105:50 p.m. -
Nonstop2h 10m
Tue 20/109:16 p.m. -
Nonstop1h 43m
Deal found 15/9C$ 350
Mon 19/105:50 p.m. -
Nonstop2h 10m
Wed 21/108:03 a.m. -
Nonstop1h 50m
Deal found 14/9C$ 374
Sat 12/125:40 p.m. -
Nonstop2h 14m
Mon 14/126:55 a.m. -
Nonstop1h 49m
Deal found 14/9C$ 375
Wed 21/1011:24 a.m. -
Nonstop2h 05m
Wed 4/118:00 a.m. -
Nonstop1h 48m
Deal found 16/9C$ 377
Thu 19/117:52 a.m. -
Nonstop2h 11m
Thu 26/118:15 a.m. -
Nonstop1h 45m
Deal found 15/9C$ 400
Wed 14/1010:46 a.m. -
Nonstop1h 59m
Fri 16/106:00 p.m. -
Nonstop1h 47m
Deal found 14/9C$ 402
Sat 10/105:45 p.m. -
Nonstop2h 02m
Mon 12/106:00 p.m. -
Nonstop1h 47m
Deal found 15/9C$ 427
Sat 24/107:00 a.m. -
Nonstop2h 00m
Wed 28/102:18 p.m. -
Nonstop1h 44m
Deal found 16/9C$ 448
Mon 26/105:50 p.m. -
Nonstop2h 10m
Thu 29/108:07 a.m. -
Nonstop1h 42m
Deal found 16/9C$ 460
Sat 17/105:45 p.m. -
Nonstop2h 02m
Mon 19/106:00 p.m. -
Nonstop1h 47m
Deal found 15/9C$ 471
Thu 8/107:00 a.m. -
Nonstop2h 00m
Mon 12/106:50 a.m. -
Nonstop1h 39m
Deal found 14/9C$ 498
Last-minute flights from Buffalo to Chicago
Discover last-minute flight deals from Buffalo to Chicago. Data last updated 17 September 2026 and is based on user searches.
Tue 13/106:51 p.m. -
1 stop14h 00m
Tue 20/107:44 p.m. -
1 stop16h 15m
Deal found 15/9C$ 349
Tue 13/105:50 p.m. -
Nonstop2h 10m
Tue 20/109:16 p.m. -
Nonstop1h 43m
Deal found 15/9C$ 350
Wed 14/102:52 p.m. -
1 stop5h 28m
Thu 15/109:16 p.m. -
Nonstop1h 43m
Deal found 15/9C$ 389
Sat 17/105:45 p.m. -
Nonstop2h 02m
Mon 19/106:50 a.m. -
Nonstop1h 39m
Deal found 16/9C$ 375
Mon 19/101:44 p.m. -
2 stops19h 07m
Wed 21/106:00 a.m. -
1 stop5h 59m
Deal found 14/9C$ 363
Mon 19/105:50 p.m. -
Nonstop2h 10m
Wed 21/108:03 a.m. -
Nonstop1h 50m
Deal found 14/9C$ 374
Wed 21/1011:24 a.m. -
Nonstop2h 05m
Wed 4/118:00 a.m. -
Nonstop1h 48m
Deal found 16/9C$ 377
Sat 31/103:53 p.m. -
1 stop5h 37m
Sat 7/112:00 p.m. -
1 stop5h 48m
Deal found 16/9C$ 378
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 17 September 2026.
Sat 24/101:44 p.m. -
1 stop5h 47m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 16/9C$ 144
Sat 17/105:45 p.m. -
Nonstop2h 02m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 16/9C$ 176
Sat 24/1011:26 a.m. -
Nonstop2h 03m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 16/9C$ 188
Sat 17/102:10 p.m. -
1 stop6h 10m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 15/9C$ 190
Mon 26/105:58 p.m. -
Nonstop2h 04m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 16/9C$ 201
Tue 6/109:06 a.m. -
1 stop4h 53m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 15/9C$ 202
Tue 13/103:53 p.m. -
1 stop6h 50m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 16/9C$ 204
Thu 15/102:10 p.m. -
1 stop5h 10m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 15/9C$ 215
Tue 6/107:00 a.m. -
Nonstop2h 00m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 15/9C$ 216
Mon 5/102:10 p.m. -
1 stop7h 21m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 15/9C$ 222
Mon 28/91:40 p.m. -
1 stop5h 43m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 14/9C$ 223
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 17 September 2026.
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 7,457,451 searches. Data last updated 17 September 2026.
Use the filters below to find and compare flights from Buffalo to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Sat 17/10
11:20 a.m.-5:20 p.m.
1 stop7h 00m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 190
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Sat 12/12
12:06 p.m.-4:17 p.m.
1 stop5h 11m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 190
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Mon 21/12
6:30 a.m.-7:52 a.m.
Nonstop2h 22m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 201
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Thu 17/12
9:15 a.m.-1:59 p.m.
1 stop5h 44m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 215
Quickest round-trip
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Wed 7/10
7:00 a.m.-8:00 a.m.
Nonstop2h 00m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 216
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Mon 12/10
5:45 p.m.-6:47 p.m.
Nonstop2h 02m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 279
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Thu 10/12
12:06 p.m.-4:17 p.m.
1 stop5h 11m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 293
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Mon 15/3
5:55 p.m.-8:37 p.m.
1 stop3h 42m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 293
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Fri 12/3
12:50 p.m.-4:37 p.m.
1 stop4h 47m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 293
BuffaloChicago
BUF Buffalo - ORD Chicago O'Hare Intl
BUFORD
Buffalo
Sun 13/12
5:40 p.m.-6:54 p.m.
Nonstop2h 14m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 307
Flights are sorted by cheapest round-trip flights first.
Deals found on 15/9
Showing 1-10 of 21 resultsSorted by cheapest first
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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.
BUF-CHI
BUF-ORD
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
BUF-CHI
BUF-ORD
What is the cheapest month to book a flight from Buffalo to Chicago?
Currently, January is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 388). Flying from Buffalo to Chicago in March is currently the most expensive (average of C$ 604). 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 17 September 2026.
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 morning, which can drop the price by up to 34% versus a flight at noon.
Weekly flight availability from Buffalo to Chicago
Explore weekly flight availability from Buffalo to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 September 2026.
The most flights from BUF to CHI are scheduled on a Monday (37 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from Buffalo to Chicago?
Airfare is below average for this route at the moment.
Buffalo to Chicago flights typically cost between C$ 370 and C$ 768 in October.The cheapest round-trip price found within the last 5 days was C$ 349 on Frontier (13 Oct-20 Oct).
How far ahead should I book a flight from Buffalo to Chicago?
The best time to book flights from Buffalo to Chicago is 34 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 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 12 September 2026.
Travelers seeking maximum savings on their Buffalo to Chicago flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 17 September 2026.
Get a feel of what it's like to fly with Southwest and United 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.
The seats were super cramped and couldn’t move without hitting other passengers
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 30 flights from Buffalo to Chicago per day from 1 airline.
How long is the flight from Buffalo to Chicago?
Departing from Buffalo to Chicago will take you 5h 37m. Airlines will cover a distance of 760 km.
What is the cheapest airline to fly from Buffalo to Chicago round-trip?
Flying on American Airlines is currently your cheapest option to Chicago, with prices starting at C$ 316. You may be able to fly from Buffalo to Chicago for 34% less than the average price by searching for this airline.
What are the most reliable airlines from Buffalo to Chicago?
The top 3 most reliable airlines when flying from Buffalo to Chicago are Republic Airways (85%), Copa Airlines (83%) and Japan Airlines (80%).
What are the cheapest flights from Buffalo to Chicago?
While on average a flight from Buffalo to Chicago is generally C$ 938, our data shows the cheapest flight currently is C$ 207. When looking at the most popular route, (Buffalo - Chicago O'Hare Intl), you can expect to pay C$ 402 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, January is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 388). Flying from Buffalo to Chicago in March is currently the most expensive (average of C$ 604). 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 17 September 2026.
Discover the top airline 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 7,457,451 searches. Data last updated 17 September 2026.
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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