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Cheap flights from Buffalo to Chicago from C$ 119

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — CHI
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Buffalo to Chicago are usually found in September or August, booked 35 days in advance, depart on a Friday or Thursday and return on a Monday

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 15 June 2026.

Sun 30/83:52 p.m.
BUF
-
ORD
1 stop7h 03m
JetBlue
Thu 3/96:00 a.m.
ORD
-
BUF
1 stop7h 57m
JetBlue
Deal found 14/6C$ 358
Sun 30/83:52 p.m.
BUF
-
ORD
1 stop7h 03m
JetBlue
Tue 8/910:56 a.m.
ORD
-
BUF
1 stop7h 17m
JetBlue
Deal found 14/6C$ 359
Fri 7/89:15 a.m.
BUF
-
ORD
1 stop8h 00m
JetBlue
Mon 10/85:27 p.m.
ORD
-
BUF
1 stop5h 38m
JetBlue
Deal found 14/6C$ 362
Thu 8/107:00 a.m.
BUF
-
ORD
Nonstop2h 00m
United Airlines
Tue 13/106:50 a.m.
ORD
-
BUF
Nonstop1h 39m
United Airlines
Deal found 10/6C$ 364
Fri 7/89:15 a.m.
BUF
-
ORD
1 stop8h 00m
JetBlue
Sun 9/89:39 a.m.
ORD
-
BUF
1 stop8h 15m
JetBlue
Deal found 15/6C$ 369
Mon 31/82:50 p.m.
BUF
-
ORD
1 stop6h 05m
Frontier
Mon 7/96:55 a.m.
ORD
-
BUF
1 stop6h 00m
Frontier
Deal found 14/6C$ 371
Thu 23/711:29 a.m.
BUF
-
ORD
1 stop9h 24m
Frontier
Mon 27/77:05 a.m.
ORD
-
BUF
1 stop5h 48m
Frontier
Deal found 12/6C$ 375
Thu 3/911:35 a.m.
BUF
-
ORD
1 stop9h 20m
Frontier
Fri 4/96:55 a.m.
ORD
-
BUF
1 stop6h 00m
Frontier
Deal found 14/6C$ 378
Tue 30/69:03 a.m.
BUF
-
ORD
1 stop5h 01m
Delta
Sat 4/75:22 p.m.
ORD
-
BUF
1 stop4h 23m
Delta
Deal found 14/6C$ 382
Wed 2/98:57 a.m.
BUF
-
ORD
1 stop5h 11m
Delta
Wed 2/95:20 p.m.
ORD
-
BUF
1 stop4h 49m
Delta
Deal found 14/6C$ 387
Tue 1/95:10 a.m.
BUF
-
ORD
Nonstop1h 54m
American Airlines
Sat 5/96:50 a.m.
ORD
-
BUF
Nonstop1h 49m
American Airlines
Deal found 14/6C$ 389
Fri 7/86:04 p.m.
BUF
-
ORD
Nonstop1h 59m
United Airlines
Tue 11/82:07 p.m.
ORD
-
BUF
Nonstop1h 49m
United Airlines
Deal found 11/6C$ 399

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 15 June 2026.

Round-trip from

C$ 358

One-way from

C$ 119

Popular in

March

Cheapest in

September

Average price

C$ 488

Good round-trip deal

C$ 560 or less

Good one-way deal

C$ 286 or less
JetBlue
  • JetBlue
  • 30/8-3/9
  • 2 total stops
  • 15h 00m total
  • Buffalo to Chicago
Search Deals
JetBlue
  • JetBlue
  • 8/9
  • 1 total stop
  • 7h 03m total
  • Buffalo to Chicago
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Buffalo to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Buffalo to Chicago (CHI).
Search Deals

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 15 June 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 - ORD

BUFORD

Buffalo

Fri 7/8

6:04 p.m.-7:03 p.m.

Nonstop1h 59m

Chicago O'Hare Intl

Tue 11/8

2:07 p.m.-4:56 p.m.

Nonstop1h 49m

C$ 399
Quickest round-trip

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 1/9

2:26 p.m.-3:30 p.m.

Nonstop2h 04m

Chicago O'Hare Intl

Wed 2/9

6:49 a.m.-9:28 a.m.

Nonstop1h 39m

C$ 407

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 4/9

3:32 p.m.-9:55 p.m.

1 stop7h 23m

Chicago O'Hare Intl

Mon 7/9

6:00 a.m.-2:36 p.m.

1 stop7h 36m

C$ 420

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 29/7

10:57 a.m.-11:57 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Sat 1/8

1:55 p.m.-4:41 p.m.

Nonstop1h 46m

C$ 421

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 14/7

6:04 p.m.-7:03 p.m.

Nonstop1h 59m

Chicago O'Hare Intl

Mon 20/7

7:15 a.m.-10:00 a.m.

Nonstop1h 45m

C$ 421

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 15/7

6:04 p.m.-7:03 p.m.

Nonstop1h 59m

Chicago O'Hare Intl

Mon 20/7

1:55 p.m.-4:41 p.m.

Nonstop1h 46m

C$ 421

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 16/7

6:04 p.m.-7:03 p.m.

Nonstop1h 59m

Chicago O'Hare Intl

Tue 21/7

1:55 p.m.-4:41 p.m.

Nonstop1h 46m

C$ 421

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 1/8

7:00 a.m.-8:05 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Wed 5/8

7:15 a.m.-10:00 a.m.

Nonstop1h 45m

C$ 424

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 11/8

5:58 p.m.-7:00 p.m.

Nonstop2h 02m

Chicago O'Hare Intl

Wed 12/8

6:15 p.m.-9:07 p.m.

Nonstop1h 52m

C$ 457

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 2/9

6:55 a.m.-7:55 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Wed 2/9

2:07 p.m.-4:56 p.m.

Nonstop1h 49m

C$ 457

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/6

Showing 1-10 of 22 resultsSorted by cheapest first
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2
3

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

What is the cheapest month to book a flight from Buffalo to Chicago?

Currently, March is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 102). Flying from Buffalo to Chicago in April is currently the most expensive (average of C$ 280). 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 15 June 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 40% 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 15 June 2026.

The most flights from BUF to CHI are scheduled on a Monday (38 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (29 on average).

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 75% 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.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of C$ 339.

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 Tampa (TPA) have the shortest average one-way travel time for 1-stop routes: 6h 57m.

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.

How far ahead should I book a flight from Buffalo to Chicago?

The best time to book flights from Buffalo to Chicago is 57 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 13 June 2026.

Travelers seeking maximum savings on their Buffalo to Chicago flight should consider departing on Thursday afternoons 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.

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 15 June 2026.
Get a feel of what it's like to fly with Southwest and Frontier 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.
Southwest
7.9
Good
4,235 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
7.9
Good
4,235 reviews
Southwest
7.9
Good
4,235 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Frontier
5.6
Fair
2,887 reviews
Southwest
7.9
Good
4,235 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 33 flights from Buffalo to Chicago per day from 2 different airlines.

  • How long is the flight from Buffalo to Chicago?

    Departing from Buffalo to Chicago will take you 2h. 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 Southwest is currently your cheapest option to Chicago, with prices starting at C$ 324. Another option worth looking into is American Airlines, starting at C$ 379 round trip. 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 Japan Airlines (87%), Copa Airlines (85%) and SkyWest Airlines (84%).

  • What are the cheapest flights from Buffalo to Chicago?

    While on average a flight from Buffalo to Chicago is generally C$ 990, our data shows the cheapest flight currently is C$ 231. When looking at the most popular route, (Buffalo - Chicago O'Hare Intl), you can expect to pay C$ 369 for that flight.

  • Can I find deals for flights from Buffalo to Chicago that include hotel bookings?

    Yes. In addition to deals on Buffalo to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Chicago.

  • 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, March is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 102). Flying from Buffalo to Chicago in April is currently the most expensive (average of C$ 280). 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.

See more FAQs

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Alternative routes for Buffalo to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Buffalo to O'Hare Intl flights
Buffalo to St. Louis flights

Top 2 airlines flying from Buffalo to Chicago

Discover the top 2 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 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapestC$ 324AverageC$ 516FlexibilityNo cancel feeOn-time63%
Search Southwest flights
American AirlinesCheapestC$ 379AverageC$ 487FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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