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$55+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Chicago O'Hare Intl to Buffalo are usually found in September or March, booked 62 days in advance, depart on a Wednesday or Thursday and return on a Friday

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$134
(Frontier)

One-way from

$55
(Frontier)

Popular in

April

Cheapest in

September

Average price

$429

Good round-trip deal

$313 or less

Good one-way deal

$195 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. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 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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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 February 20, 2025.

This Booking.com deal was found by Cheapflights users on 2/20. 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.
Tue 3/119:25 amORD - BUF
1 stop23h 59mFrontier
Sat 3/152:52 pmBUF - ORD
1 stop6h 20mFrontier
Deal found 2/20$140
This JetBlue deal was found by Cheapflights users on 2/20. 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.
Tue 4/81:22 pmORD - BUF
1 stop4h 41mJetBlue
Wed 4/97:05 amBUF - ORD
1 stop6h 22mJetBlue
Deal found 2/20$213
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/86:16 amORD - BUF
1 stop7h 28mAmerican Airlines
Wed 4/92:58 pmBUF - ORD
Nonstop1h 57mAmerican Airlines
Deal found 2/20$260
This Kissandfly.com deal was found by Cheapflights users on 2/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/64:31 pmORD - BUF
2 stops16h 48mMultiple Airlines
Mon 3/107:48 pmBUF - ORD
1 stop12h 56mMultiple Airlines
Deal found 2/20$270
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:00 amORD - BUF
1 stop6h 35mDelta
Mon 3/107:00 amBUF - ORD
1 stop6h 55mDelta
Deal found 2/19$297
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/81:50 pmORD - BUF
1 stop4h 05mSouthwest
Wed 4/95:55 amBUF - ORD
2 stops7h 50mSouthwest
Deal found 2/20$302
This Booking.com deal was found by Cheapflights users on 2/20. 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.
Thu 7/178:10 pmORD - BUF
1 stop13h 34mSun Country Air
Sun 7/2011:40 amBUF - ORD
1 stop8h 31mSun Country Air
Deal found 2/20$321
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/104:05 pmORD - BUF
1 stop6h 51mUnited Airlines
Thu 3/132:00 pmBUF - ORD
Nonstop1h 54mUnited Airlines
Deal found 2/20$348

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

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 February 20, 2025.

Fly from

O'Hare Intl

Fly to

Buffalo

Route

Depart

Return

Price

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 3/11

9:25 am-10:24 am

1 stop23h 59m

Buffalo

Sat 3/15

2:52 pm-8:12 pm

1 stop6h 20m

$140

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 4/8

1:22 pm-7:03 pm

1 stop4h 41m

Buffalo

Wed 4/9

7:05 am-12:27 pm

1 stop6h 22m

$213

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 4/8

6:16 am-2:44 pm

1 stop7h 28m

Buffalo

Wed 4/9

2:58 pm-3:55 pm

Nonstop1h 57m

$260

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 3/6

4:31 pm-10:19 am

2 stops16h 48m

Buffalo

Mon 3/10

7:48 pm-7:44 am

1 stop12h 56m

$270

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 3/6

6:00 am-1:35 pm

1 stop6h 35m

Buffalo

Mon 3/10

7:00 am-12:55 pm

1 stop6h 55m

$297

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 4/8

1:50 pm-6:55 pm

1 stop4h 05m

Buffalo

Wed 4/9

5:55 am-12:45 pm

2 stops7h 50m

$302

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 7/17

8:10 pm-10:44 am

1 stop13h 34m

Buffalo

Sun 7/20

11:40 am-7:11 pm

1 stop8h 31m

$321

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Mon 3/10

6:29 pm-9:09 pm

Nonstop1h 40m

Buffalo

Thu 3/13

7:00 am-8:02 am

Nonstop2h 02m

$338

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 4/9

2:00 pm-12:15 am

1 stop9h 15m

$55

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 3/18

11:44 am-6:09 pm

1 stop5h 25m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 15 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 Chicago O'Hare Intl Airport-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Buffalo flight deals on Cheapflights vs. FlightHub >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 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 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.

Travel insights for flights from O'Hare Intl to Buffalo

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

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 February 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 62 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Buffalo (average of $256). Flying from Chicago O'Hare Intl Airport to Buffalo in December is currently the most expensive (average of $337). 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 February 20, 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 12% on the flight price compared to flying in the morning, 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 February 16, 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. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from O'Hare Intl to Buffalo. 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 February 20, 2025.

The most flights from ORD to BUF are scheduled on a Thursday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

Rainfall in Buffalo by month

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

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

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

If weather is an important factor for your trip to Buffalo, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 February 20, 2025.
To help decide which airline to fly from Chicago to Buffalo, 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
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 21 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.

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

    According to our current data, Frontier ($134), JetBlue ($187), and American Airlines ($260) offers the cheapest pricing from Chicago O'Hare Intl Airport to Buffalo. Frontier is currently priced 61% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $55 on Frontier. Other airlines that offer cheap prices include JetBlue from $94 and United Airlines from $139 one-way.

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

    Consider SkyWest Airlines (100%), Copa Airlines (100%) or GoJet (89%) 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 $299, our data shows the cheapest flight currently is $138. When looking at the most popular route, (Chicago O'Hare Intl - Buffalo), you can expect to pay $183 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Buffalo (average of $256). Flying from Chicago O'Hare Intl Airport to Buffalo in December is currently the most expensive (average of $337). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
West Seneca
Williamsville
Amherst
Batavia
Orchard Park
Cheektowaga

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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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Midway to Stewart flights
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Midway to Binghamton flights
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$174FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$148Average$324FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$375FlexibilityNo cancel feeOn-time69%
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