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Cheap flights from Buffalo to Chicago from C$ 128

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — CHI
22 Apr — 29 Apr1
1 adult

Cheapflights Tip: The best prices from Buffalo to Chicago are usually found in September or August, booked 80 days in advance, depart on a Friday or Wednesday and return on a Monday

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 17 April 2025.

Round-trip from

C$ 323

One-way from

C$ 128

Popular in

February

Cheapest in

September

Average price

C$ 455

Good round-trip deal

C$ 468 or less

Good one-way deal

C$ 212 or less
JetBlue
  • JetBlue
  • 1/6-10/6
  • 2 total stops
  • 10h 23m total
  • Buffalo to Chicago
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Frontier
  • Frontier
  • 11/5
  • 1 total stop
  • 18h 03m total
  • Buffalo to Chicago
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Highest demand for flights based on searches. 3% potential increase in price (C$ 21 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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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Find flight deals from Buffalo to Chicago

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 April 2025.

Sun 1/610:33 a.m.BUF - ORD
1 stop5h 31mJetBlue
Tue 10/64:03 p.m.ORD - BUF
1 stop4h 52mJetBlue
Deal found 17/4C$ 323
Mon 19/56:45 a.m.BUF - ORD
Nonstop1h 58mUnited Airlines
Wed 21/52:13 p.m.ORD - BUF
Nonstop1h 42mUnited Airlines
Deal found 16/4C$ 373
Tue 20/56:00 a.m.BUF - ORD
1 stop5h 03mDelta
Tue 20/56:18 p.m.ORD - BUF
1 stop5h 22mDelta
Deal found 17/4C$ 379
Tue 13/55:55 a.m.BUF - ORD
2 stops7h 50mSouthwest
Wed 14/51:50 p.m.ORD - BUF
1 stop4h 05mSouthwest
Deal found 17/4C$ 385
Sat 17/56:00 p.m.BUF - ORD
Nonstop1h 57mAmerican Airlines
Wed 21/52:45 p.m.ORD - BUF
Nonstop1h 39mAmerican Airlines
Deal found 17/4C$ 397

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 17 April 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

Sun 1/6

10:33 a.m.-3:04 p.m.

1 stop5h 31m

Chicago O'Hare Intl

Tue 10/6

4:03 p.m.-9:55 p.m.

1 stop4h 52m

C$ 323

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 19/5

6:45 a.m.-7:43 a.m.

Nonstop1h 58m

Chicago O'Hare Intl

Wed 21/5

2:13 p.m.-4:55 p.m.

Nonstop1h 42m

C$ 373

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/5

6:00 a.m.-10:03 a.m.

1 stop5h 03m

Chicago O'Hare Intl

Tue 20/5

6:18 p.m.-12:40 a.m.

1 stop5h 22m

C$ 379

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 13/5

5:55 a.m.-12:45 p.m.

2 stops7h 50m

Chicago O'Hare Intl

Wed 14/5

1:50 p.m.-6:55 p.m.

1 stop4h 05m

C$ 385

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 17/5

6:00 p.m.-6:57 p.m.

Nonstop1h 57m

Chicago O'Hare Intl

Wed 21/5

2:45 p.m.-5:24 p.m.

Nonstop1h 39m

C$ 397

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sun 11/5

8:38 p.m.-1:41 p.m.

1 stop18h 03m

C$ 128

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 16/6

6:00 a.m.-10:47 a.m.

1 stop5h 47m

C$ 158

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sun 11/5

3:00 p.m.-3:53 p.m.

Nonstop1h 53m

C$ 176

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 2/7

6:30 a.m.-10:03 a.m.

1 stop4h 33m

C$ 187

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 24/5

9:30 a.m.-4:45 p.m.

2 stops8h 15m

C$ 194

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 12 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 11 April 2025.

The best time to book flights from Buffalo to Chicago is 80 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, January is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 261). Flying from Buffalo to Chicago in March 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 17 April 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 31% 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 30 March 2025.

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

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 April 2025.

The most flights from BUF to CHI are scheduled on a Wednesday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 April 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Buffalo to Chicago. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,916 reviews
Southwest
8.0
Very good
4,280 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,667 reviews
Southwest
8.0
Very good
4,280 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,926 reviews
Southwest
8.0
Very good
4,280 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,280 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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

  • What are the cheapest airlines flying from Buffalo to Chicago round-trip?

    Flying on JetBlue is currently your cheapest option to Chicago, with prices starting at C$ 323. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at C$ 373 and C$ 379, respectively. You may be able to fly from Buffalo to Chicago for 28% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Buffalo to Chicago one-way?

    The cheapest airlines for a one-way flight from Buffalo to Chicago are Frontier (C$ 128), JetBlue (C$ 158), and American Airlines (C$ 176).

  • 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%), Copa Airlines (100%) and Republic Airways (94%).

  • What are the cheapest flights from Buffalo to Chicago?

    While on average a flight from Buffalo to Chicago is generally C$ 616, our data shows the cheapest flight currently is C$ 198. When looking at the most popular route, (Buffalo - Chicago O'Hare Intl), you can expect to pay C$ 279 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$ 261). Flying from Buffalo to Chicago in March 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.

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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 274AverageC$ 414FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 304AverageC$ 509FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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