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O'Hare Intl

$61+ Cheap flights from Buffalo (BUF) to O'Hare Intl (ORD)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — ORD
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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The best prices from Buffalo to Chicago O'Hare Intl are usually found in September or January, booked 84 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Buffalo to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to O'Hare Intl (ORD). 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 enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$266
(Frontier)

One-way from

$61
(Frontier)

Popular in

July

Cheapest in

September

Average price

$293

Good round-trip deal

$372 or less

Good one-way deal

$199 or less
Provider with most accurate pricing for Buffalo-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Chicago O'Hare Intl flights.
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From Buffalo to Chicago O'Hare Intl
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One-way flight from Buffalo to Chicago O'Hare Intl
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Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Buffalo to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Buffalo to Chicago O'Hare Intl.
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Find flight deals from Buffalo to O'Hare Intl

Cheapest flights from Buffalo to O'Hare Intl
Explore the most affordable flight options available from Buffalo to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 30, 2025.

This Frontier deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/71:38 pmBUF - ORD
1 stop8h 19mFrontier
sáb. 2/810:00 amORD - BUF
1 stop12h 59mFrontier
Deal found 1/30$260
This American Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/206:08 amBUF - ORD
1 stop8h 35mAmerican Airlines
lun. 2/247:05 pmORD - BUF
Nonstop1h 46mAmerican Airlines
Deal found 1/30$275
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/2410:54 amBUF - ORD
Nonstop2h 00mUnited Airlines
mié. 4/306:25 pmORD - BUF
Nonstop1h 46mUnited Airlines
Deal found 1/30$277
This JetBlue deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/1611:32 amBUF - ORD
1 stop6h 13mJetBlue
jue. 2/205:40 pmORD - BUF
1 stop5h 02mJetBlue
Deal found 1/29$284
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/126:00 amBUF - ORD
1 stop14h 55mDelta
lun. 2/176:00 amORD - BUF
1 stop15h 44mDelta
Deal found 1/29$298
This Southwest deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/246:00 amBUF - ORD
2 stops7h 45mSouthwest
mié. 3/264:00 pmORD - BUF
1 stop5h 40mSouthwest
Deal found 1/28$317
This Mytrip deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/2111:40 amBUF - ORD
1 stop8h 31mMultiple Airlines
jue. 7/2411:45 amORD - BUF
3 stops21h 59mMultiple Airlines
Deal found 1/30$463

Find flights from Buffalo to O'Hare Intl within your budget

Customize your flight search to find flights from Buffalo to O'Hare Intl 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 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

vie. 2/14

6:25 am-6:13 pm

1 stop12h 48m

Chicago O'Hare Intl

dom. 2/16

5:05 am-5:44 pm

1 stop11h 39m

$266

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

jue. 2/20

6:08 am-1:43 pm

1 stop8h 35m

Chicago O'Hare Intl

lun. 2/24

7:05 pm-9:51 pm

Nonstop1h 46m

$275

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

jue. 4/24

5:51 pm-6:48 pm

Nonstop1h 57m

Chicago O'Hare Intl

mié. 4/30

6:25 pm-9:11 pm

Nonstop1h 46m

$277

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

dom. 2/16

11:32 am-4:45 pm

1 stop6h 13m

Chicago O'Hare Intl

jue. 2/20

5:40 pm-11:42 pm

1 stop5h 02m

$284

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

mié. 2/12

6:00 am-7:55 pm

1 stop14h 55m

Chicago O'Hare Intl

lun. 2/17

6:00 am-10:44 pm

1 stop15h 44m

$298

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

lun. 3/24

6:00 am-12:45 pm

2 stops7h 45m

Chicago O'Hare Intl

mié. 3/26

4:00 pm-10:40 pm

1 stop5h 40m

$317

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

lun. 7/21

11:40 am-7:11 pm

1 stop8h 31m

Chicago O'Hare Intl

jue. 7/24

11:45 am-10:44 am

3 stops21h 59m

$463

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

dom. 3/16

10:30 am-9:07 pm

1 stop11h 37m

Chicago O'Hare Intl

dom. 3/23

9:57 pm-10:46 pm

2 stops23h 49m

$572

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

lun. 4/7

2:48 pm-12:19 am

1 stop10h 31m

$61

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

mar. 2/25

11:29 am-5:00 pm

1 stop6h 31m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 16 results
1
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Compare providers for flights from Buffalo to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to O'Hare Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.

Travel insights for flights from Buffalo to O'Hare Intl

Get recent, data-driven insights about flights from Buffalo to O'Hare Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Buffalo to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to O'Hare Intl. Price data was last updated on January 24, 2025.

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Buffalo to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Buffalo to Chicago O'Hare Intl Airport (average of $245). Flying from Buffalo to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $325). 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 ORD?

Find hourly flight availability from Buffalo to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 30, 2025.

It’s optimal to fly from Buffalo to Chicago O'Hare Intl Airport in the morning. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Buffalo to Chicago O'Hare Intl Airport

Explore weekly flight availability from Buffalo to O'Hare Intl. 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 enero 30, 2025.

The most flights from BUF to ORD are scheduled on a Thursday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated enero 30, 2025.
To help decide which airline to fly from Buffalo to Chicago, see what other customers have to say about Southwest, Delta and JetBlue. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,585 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,454 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

JetBlue
7.4
Good
3,156 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
8,913 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to O'Hare Intl. 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 O'Hare Intl?

    For a flight from Buffalo to Chicago O'Hare Intl, you will be flying from Buffalo. Buffalo (BUF) is just 8.3 mi from the center of the city. Buffalo is the only Buffalo airport and it handles 15 outbound flights to Chicago O'Hare Intl per day. 4 airlines have flights to Chicago O'Hare Intl from Buffalo on a regular basis.

  • What are the cheapest airlines flying from Buffalo to Chicago O'Hare Intl Airport round-trip?

    Frontier, at $266, was found to be the cheapest airline from Buffalo to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include American Airlines and JetBlue. Frontier is currently priced 18% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Buffalo to Chicago O'Hare Intl Airport one-way?

    $61 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Sun Country Air, with prices starting from $94 and $122, respectively.

  • What are the most reliable airlines from Buffalo to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Buffalo, check out the most reliable airlines to get you to your destination on time: Gulf Air (87%), Copa Airlines (85%), Avianca( 82%).

  • What are the cheapest flights from Buffalo to Chicago O'Hare Intl Airport?

    The cheapest flight price from Buffalo to Chicago O'Hare Intl Airport is $130. On average you can expect to pay $1,310. The most popular route, (Buffalo - Chicago O'Hare Intl), can usually be booked for $187.

  • Can I find deals for flights from Buffalo to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Buffalo to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to O'Hare Intl?

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

  • Can I find deals for business class flights from Buffalo to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Buffalo to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Buffalo to Chicago O'Hare Intl Airport (average of $245). Flying from Buffalo to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $325). 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

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Naperville
Rosemont
Beloit
Racine
Hoffman Estates
Schaumburg
Rockford
Skokie
Tinley Park
Arlington Heights
Northbrook
Evanston
Des Plaines
Joliet
Orland Park
Merrillville
Kenosha
Lake Geneva
New Buffalo
Glenview

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Alternative routes for Buffalo to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Buffalo to O'Hare Intl

Discover the top 4 airlines that operate flights from Buffalo to O'Hare Intl. 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 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$95Average$193FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$153Average$355FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$171Average$327FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$175Average$201FlexibilityNo cancel feeOn-time62%
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