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$75+ Cheap flights from O'Hare Intl (ORD) to Buffalo (BUF)

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUF
déc. 21 — déc. 281
dim. 12/21
dim. 12/28
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Buffalo are usually found in September or August, booked 7 days in advance, depart on a Tuesday or Monday and return on a Friday

Find flight deals from O'Hare Intl to Buffalo

Cheapest flights from O'Hare Intl to Buffalo
Explore the most affordable flight options available from O'Hare Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 21, 2025.

This Priceline deal was found by Cheapflights users on 11/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/911:25 amORD - BUF
1 stop4h 59mJetBlue
sam. 12/136:05 amBUF - ORD
1 stop5h 30mJetBlue
Deal found 11/18$171
This JetBlue deal was found by Cheapflights users on 11/19. 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.
sam. 12/1311:25 amORD - BUF
1 stop8h 19mJetBlue
lun. 12/1511:48 amBUF - ORD
1 stop8h 55mJetBlue
Deal found 11/19$184
This Priceline deal was found by Cheapflights users on 11/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:00 amORD - BUF
1 stop9h 45mFrontier
lun. 1/55:45 pmBUF - ORD
1 stop5h 39mFrontier
Deal found 11/19$197
This Priceline deal was found by Cheapflights users on 11/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/311:25 amORD - BUF
1 stop4h 59mJetBlue
mer. 12/106:05 amBUF - ORD
1 stop5h 30mJetBlue
Deal found 11/19$203
This Trip.com deal was found by Cheapflights users on 11/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/147:00 amORD - BUF
1 stop7h 59mJetBlue
mer. 12/176:05 amBUF - ORD
1 stop5h 30mJetBlue
Deal found 11/19$212
This Booking.com deal was found by Cheapflights users on 11/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/62:26 pmORD - BUF
1 stop22h 57mFrontier
lun. 12/811:40 amBUF - ORD
1 stop11h 44mFrontier
Deal found 11/20$215
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/136:11 amORD - BUF
1 stop27h 59mFrontier
lun. 12/1511:40 amBUF - ORD
1 stop6h 47mFrontier
Deal found 11/19$217
This JetBlue deal was found by Cheapflights users on 11/20. 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.
mer. 12/177:00 amORD - BUF
1 stop7h 59mJetBlue
sam. 1/1710:00 amBUF - ORD
1 stop8h 44mJetBlue
Deal found 11/20$223
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/61:24 pmORD - BUF
1 stop20h 46mMultiple Airlines
lun. 12/83:18 pmBUF - ORD
2 stops20h 50mMultiple Airlines
Deal found 11/20$231
This Priceline deal was found by Cheapflights users on 11/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/37:00 amORD - BUF
1 stop7h 59mJetBlue
jeu. 12/45:00 pmBUF - ORD
1 stop5h 52mJetBlue
Deal found 11/18$235
This American Airlines deal was found by Cheapflights users on 11/19. 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.
mer. 12/1711:45 amORD - BUF
1 stop10h 12mAmerican Airlines
sam. 1/1711:22 amBUF - ORD
Nonstop2h 15mAmerican Airlines
Deal found 11/19$237
This American Airlines deal was found by Cheapflights users on 11/19. 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.
lun. 11/248:59 pmORD - BUF
Nonstop1h 37mAmerican Airlines
ven. 11/288:15 amBUF - ORD
Nonstop2h 07mAmerican Airlines
Deal found 11/19$239

Cheap flight deals from O'Hare Intl to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Buffalo (BUF). 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 novembre 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$150
(Frontier)

One-way from

$75
(Priceline)

Popular in

February

Cheapest in

September

Average price

$334

Good round-trip deal

$319 or less

Good one-way deal

$214 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Buffalo flights.
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From Chicago O'Hare Intl to Buffalo
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One-way flight from Chicago O'Hare Intl to Buffalo
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Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Buffalo.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Buffalo.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Buffalo 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 novembre 21, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Buffalo that are best for you.

Fly from

O'Hare Intl

Fly to

Buffalo

Route

Depart

Return

Price

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

jeu. 1/8

8:00 am-9:31 am

1 stop24h 31m

Buffalo

sam. 1/10

6:33 pm-7:17 pm

1 stop25h 44m

$163

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

sam. 12/13

11:25 am-8:44 pm

1 stop8h 19m

Buffalo

lun. 12/15

11:48 am-7:43 pm

1 stop8h 55m

$184

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

mar. 3/3

12:41 pm-6:33 pm

1 stop4h 52m

Buffalo

mer. 3/11

6:00 am-11:49 am

1 stop6h 49m

$185

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

ven. 3/6

12:41 pm-6:34 pm

1 stop4h 53m

Buffalo

mer. 3/11

6:00 am-11:49 am

1 stop6h 49m

$185

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

mer. 3/4

12:41 pm-6:33 pm

1 stop4h 52m

Buffalo

dim. 3/8

6:00 am-11:49 am

1 stop6h 49m

$194

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

mer. 3/4

12:41 pm-6:33 pm

1 stop4h 52m

Buffalo

sam. 3/7

6:00 am-11:58 am

1 stop6h 58m

$194

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

dim. 1/18

7:45 am-2:30 pm

1 stop5h 45m

Buffalo

mer. 1/21

10:00 am-5:44 pm

1 stop8h 44m

$197

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

jeu. 4/30

3:15 pm-11:55 pm

1 stop7h 40m

Buffalo

mar. 5/5

9:45 am-2:20 pm

1 stop5h 35m

$199

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

ven. 2/27

12:41 pm-6:33 pm

1 stop4h 52m

Buffalo

ven. 3/6

6:00 am-11:49 am

1 stop6h 49m

$208

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

mer. 3/4

12:41 pm-6:33 pm

1 stop4h 52m

Buffalo

jeu. 3/12

9:54 am-5:24 pm

1 stop8h 30m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 23 results
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Compare providers for flights from O'Hare Intl to Buffalo

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 O'Hare Intl to Buffalo in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Chicago O'Hare Intl Airport-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Buffalo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Buffalo flights, Cheapflights users trust eDreams the most. eDreams 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 Chicago O'Hare Intl Airport-Buffalo 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 O'Hare Intl to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from O'Hare Intl 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 Chicago O'Hare Intl Airport to Buffalo

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Buffalo. Price data was last updated on November 14, 2025.

The price you pay for your flight from Chicago O'Hare Intl Airport to Buffalo may vary depending on when you book. For the best chance of a lower fare, look to book 7 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Buffalo (average of $117). Flying from Chicago O'Hare Intl Airport to Buffalo in July is currently the most expensive (average of $231). 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 ORD to BUF?

Find hourly flight availability from O'Hare Intl to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated novembre 21, 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Buffalo in the evening. Doing so could potentially save you 8% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Buffalo. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Buffalo flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated novembre 21, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Frontier from Chicago O'Hare Intl Airport to Buffalo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,029 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,029 reviews
United Airlines
7.4
Good
9,029 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,029 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Frontier
5.8
Fair
3,103 reviews
United Airlines
7.4
Good
9,029 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

    Buffalo (BUF) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Buffalo. You should not have trouble finding flights to Buffalo from Chicago O'Hare Intl; the airport handles an average of 28 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Buffalo airport from Chicago O'Hare Intl. It is only a 8.3 mi journey from Buffalo (BUF) to Buffalo’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Buffalo?

    For as low as $184, Frontier can have you in Buffalo from Chicago O'Hare Intl Airport in 8h 19m. There are 472 mi between Chicago O'Hare Intl Airport and Buffalo. This flight may include one or multiple stops.

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

    According to our current data, Frontier ($132), American Airlines ($177), and United Airlines ($197) offers the cheapest pricing from Chicago O'Hare Intl Airport to Buffalo. Frontier is currently priced 59% below the average price you’ll pay for this route.

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

    Consider Envoy Air (85%), Air Canada (77%) or American Airlines (74%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Buffalo.

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

    While on average a flight from Chicago O'Hare Intl Airport to Buffalo is generally $344, our data shows the cheapest flight currently is $124. When looking at the most popular route, (Chicago O'Hare Intl - Buffalo), you can expect to pay $159 for that flight.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Buffalo (average of $117). Flying from Chicago O'Hare Intl Airport to Buffalo in July is currently the most expensive (average of $231). 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
Lockport
Cheektowaga
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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Alternative routes for O'Hare Intl to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from O'Hare Intl to Buffalo

Discover the top 3 airlines that operate flights from O'Hare Intl to Buffalo. 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 novembre 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$132Average$198FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$177Average$306FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$197Average$371FlexibilityNo cancel feeOn-time69%

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