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Cheap flights from Buffalo to Chicago from C$ 164

BUF — CHI
8 Dec — 15 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Buffalo to Chicago are usually found in February or April, booked 90 days in advance, depart on a Wednesday or Saturday 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

Fri 4/121:15 p.m. -
1 stop5h 48m
Mon 7/125:35 a.m. -
1 stop7h 00m
Deal found 6/11C$ 408
Tue 1/126:55 p.m. -
Nonstop1h 50m
Sat 5/127:50 a.m. -
Nonstop1h 35m
Deal found 5/11C$ 448
Wed 2/1211:26 a.m. -
Nonstop2h 32m
Sat 5/123:20 p.m. -
Nonstop1h 43m
Deal found 5/11C$ 448
Mon 21/129:47 a.m. -
1 stop14h 15m
Thu 24/125:01 a.m. -
1 stop11h 39m
Deal found 7/11C$ 459
Tue 22/126:00 a.m. -
1 stop3h 49m
Fri 25/126:15 p.m. -
1 stop3h 33m
Deal found 5/11C$ 476
Wed 2/122:15 p.m. -
1 stop5h 08m
Thu 3/122:39 p.m. -
1 stop7h 17m
Deal found 3/11C$ 476
Tue 1/126:55 p.m. -
Nonstop1h 50m
Wed 2/121:25 p.m. -
Nonstop1h 35m
Deal found 7/11C$ 479
Sat 5/126:30 a.m. -
Nonstop2h 14m
Sat 12/126:55 a.m. -
Nonstop1h 49m
Deal found 7/11C$ 479
Thu 19/112:34 p.m. -
1 stop10h 13m
Sun 22/118:42 p.m. -
1 stop22h 42m
Deal found 7/11C$ 487
Thu 19/112:34 p.m. -
1 stop6h 59m
Sun 22/115:12 p.m. -
1 stop26h 12m
Deal found 7/11C$ 487
Sun 6/124:00 p.m. -
Nonstop1h 45m
Tue 8/126:15 p.m. -
Nonstop1h 40m
Deal found 4/11C$ 499
Thu 3/126:30 a.m. -
Nonstop2h 14m
Sun 6/1210:29 a.m. -
Nonstop1h 48m
Deal found 4/11C$ 499

Find flight deals from Buffalo to Chicago

Round-trip from

C$ 408

One-way from

C$ 164

Popular in

March

Cheapest in

February

Average price

C$ 487

Good round-trip deal

C$ 541 or less

Good one-way deal

C$ 217 or less
Frontier
  • Frontier
  • 4/12-7/12
  • 2 total stops
  • 12h 48m total
  • Buffalo to Chicago
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Frontier
  • Frontier
  • 16/1-31/12
  • 1 total stop
  • 23h 46m total
  • Buffalo to Chicago
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Highest demand for flights based on searches. 0% potential increase in price (C$ 1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Buffalo to Chicago (CHI).
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Price to beat on a one-way flight from Buffalo to Chicago (CHI).
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Cheapflights Fare Finder

 
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 - MDW Chicago Midway

BUFMDW

Buffalo

Sat 19/12

7:35 p.m.-8:35 p.m.

Nonstop2h 00m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 225

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Wed 9/12

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$ 225

BuffaloChicago

BUF Buffalo - MDW Chicago Midway

BUFMDW

Buffalo

Wed 2/12

9:15 a.m.-1:01 p.m.

1 stop4h 46m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 239

BuffaloChicago

BUF Buffalo - MDW Chicago Midway

BUFMDW

Buffalo

Wed 23/12

7:20 a.m.-8:10 a.m.

Nonstop1h 50m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 240
Quickest round-trip

BuffaloChicago

BUF Buffalo - MDW Chicago Midway

BUFMDW

Buffalo

Tue 9/2

6:00 p.m.-6:45 p.m.

Nonstop1h 45m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 240

BuffaloChicago

BUF Buffalo - MDW Chicago Midway

BUFMDW

Buffalo

Tue 1/12

5:00 p.m.-10:45 p.m.

1 stop6h 45m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 254

BuffaloChicago

BUF Buffalo - MDW Chicago Midway

BUFMDW

Buffalo

Wed 9/12

12:45 p.m.-7:05 p.m.

2 stops7h 20m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 261

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$ 304

BuffaloChicago

BUF Buffalo - MDW Chicago Midway

BUFMDW

Buffalo

Mon 3/5

8:10 a.m.-8:55 a.m.

Nonstop1h 45m

Chicago Midway

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 304

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Tue 4/5

11:20 a.m.-5:34 p.m.

1 stop7h 14m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 311

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/11

Showing 1-10 of 33 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.
Estimated round-trip price

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, January is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 397). Flying from Buffalo to Chicago in March is currently the most expensive (average of C$ 612). 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?

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 26% versus a flight at noon.

Weekly flight availability from Buffalo to Chicago

The most flights from BUF to CHI are scheduled on a Friday (36 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (23 on average).

How much does it cost to fly round-trip from Buffalo to Chicago?

Airfare is typical for this route at the moment.
Buffalo to Chicago flights typically cost between C$ 391 and C$ 568 in December.
The cheapest round-trip price found within the last 5 days was C$ 408 on Frontier (4 Dec-7 Dec).

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

The best time to book flights from Buffalo to Chicago is 87 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?

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 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.
Southwest
8.0
Very good
4,215 reviews
Check prices

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
Southwest
8.0
Very good
4,215 reviews
Southwest
8.0
Very good
4,215 reviews
Check prices

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
United Airlines
7.3
Good
10,469 reviews
Southwest
8.0
Very good
4,215 reviews
Check prices

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Related info for your journey

  • 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 29 flights from Buffalo to Chicago per day from 0 different airlines.

  • How long is the flight from Buffalo to Chicago?

    Departing from Buffalo to Chicago will take you 1h 55m. Airlines will cover a distance of 750 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Buffalo to Chicago?

    The top 3 most reliable airlines when flying from Buffalo to Chicago are Envoy Air (100%), Copa Airlines (89%) and Royal Jordanian (87%).

  • What are the cheapest flights from Buffalo to Chicago?

    While on average a flight from Buffalo to Chicago is generally C$ 717, our data shows the cheapest flight currently is C$ 225. When looking at the most popular route, (Buffalo - Chicago O'Hare Intl), you can expect to pay C$ 458 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, January is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 397). Flying from Buffalo to Chicago in March is currently the most expensive (average of C$ 612). 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

Buffalo to O'Hare Intl flights
Buffalo to St. Louis flights

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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.

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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.

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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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