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$89+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 May, booked 69 days in advance, depart on a Wednesday or Monday 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 June 12, 2025.

Round-trip from

$198
(Delta)

One-way from

$89
(Delta)

Popular in

July

Cheapest in

September

Average price

$363

Good round-trip deal

$249 or less

Good one-way deal

$154 or less
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. 6% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 9/115:00 amORD - BUF
1 stop5h 00mAmerican Airlines
Mon 9/1511:54 amBUF - ORD
Nonstop1h 54mAmerican Airlines
Deal found 6/11$197
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 8/266:00 amORD - BUF
1 stop6h 39mDelta
Sat 8/3012:02 pmBUF - ORD
1 stop8h 17mDelta
Deal found 6/11$198
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 9/47:10 amORD - BUF
Nonstop1h 43mUnited Airlines
Mon 9/85:54 pmBUF - ORD
Nonstop1h 56mUnited Airlines
Deal found 6/11$200
This JetBlue deal was found by Cheapflights users on 6/11. 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.
Thu 9/111:36 pmORD - BUF
1 stop4h 44mJetBlue
Mon 9/156:00 amBUF - ORD
1 stop7h 10mJetBlue
Deal found 6/11$210
This Southwest deal was found by Cheapflights users on 6/10. 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.
Thu 10/21:50 pmORD - BUF
1 stop5h 55mSouthwest
Sun 10/56:00 amBUF - ORD
1 stop6h 50mSouthwest
Deal found 6/10$221
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/26:15 pmORD - BUF
1 stop15h 05mSun Country Air
Sun 7/611:41 amBUF - ORD
1 stop25h 58mSun Country Air
Deal found 6/10$255
This Frontier deal was found by Cheapflights users on 6/11. 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.
Thu 6/195:01 amORD - BUF
1 stop6h 11mFrontier
Fri 6/202:10 pmBUF - ORD
1 stop10h 49mFrontier
Deal found 6/11$308
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/3111:21 amORD - BUF
3 stops22h 17mMultiple Airlines
Mon 8/411:40 amBUF - ORD
1 stop6h 37mMultiple Airlines
Deal found 6/10$433

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 June 12, 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

Tue 8/26

6:00 am-1:39 pm

1 stop6h 39m

Buffalo

Sat 8/30

12:02 pm-7:19 pm

1 stop8h 17m

$198

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 9/4

7:10 am-9:53 am

Nonstop1h 43m

Buffalo

Mon 9/8

5:54 pm-6:50 pm

Nonstop1h 56m

$200

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Mon 7/28

6:25 pm-12:32 am

1 stop5h 07m

Buffalo

Tue 8/5

5:05 am-5:57 am

Nonstop1h 52m

$202

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Fri 9/5

1:36 pm-7:20 pm

1 stop4h 44m

Buffalo

Sun 9/7

6:00 am-12:10 pm

1 stop7h 10m

$222

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 8/7

1:50 pm-7:35 pm

1 stop4h 45m

Buffalo

Mon 8/11

8:30 am-12:45 pm

1 stop5h 15m

$252

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 7/2

6:15 pm-10:20 am

1 stop15h 05m

Buffalo

Sun 7/6

11:41 am-12:39 pm

1 stop25h 58m

$255

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 6/19

5:01 am-12:12 pm

1 stop6h 11m

Buffalo

Fri 6/20

2:10 pm-11:59 pm

1 stop10h 49m

$308

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 7/31

11:21 am-10:38 am

3 stops22h 17m

Buffalo

Mon 8/4

11:40 am-5:17 pm

1 stop6h 37m

$433

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 8/21

6:00 am-1:39 pm

1 stop6h 39m

$89

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 8/9

7:10 pm-9:52 pm

Nonstop1h 42m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
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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 June 9, 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 69 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 June 12, 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Buffalo in the afternoon. Doing so could potentially save you 6% on the flight price compared to flying in the evening, 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 June 8, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Buffalo flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday 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 June 12, 2025.

The most flights from ORD to BUF are scheduled on a Wednesday (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 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 June 12, 2025.
To help decide which airline to fly from Chicago to Buffalo, see what other customers have to say about Southwest, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 26 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, Delta ($198), United Airlines ($200), and American Airlines ($202) offers the cheapest pricing from Chicago O'Hare Intl Airport to Buffalo. Delta is currently priced 41% 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 $89 on Delta. Other airlines that offer cheap prices include American Airlines from $100 and JetBlue from $102 one-way.

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

    Consider SkyWest Airlines (100%), Royal Jordanian (96%) or Japan Airlines (93%) 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 $268, 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 $127 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
Williamsville
Amherst
Orchard Park
Batavia
Eden
Cheektowaga
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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Midway to Rochester flights
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Midway to Binghamton flights
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Midway to Ithaca flights
Midway to Stewart flights
O'Hare Intl to Niagara Falls flights
O'Hare Intl to Plattsburgh flights
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O'Hare Intl to Saranac Lake flights
O'Hare Intl to Watertown flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$190FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$164Average$325FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$199Average$383FlexibilityNo cancel feeOn-time69%

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