CA $162 Cheap Flights from Chicago (ORD) to Buffalo (BUF)

View CA $162 flight on Tue, Jun 30, 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Buffalo Niagara Intl. Airport (BUF)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Chicago (ORD) to Buffalo (BUF)

Prices were available within the past 7 days and start at CA $162 for one-way flights and CA $351 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jun 16 - Wed, Jun 24
ORD
Chicago
BUF
Buffalo
CA $351 Roundtrip, found 5 days ago
CA $351
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jun 16 from Chicago to Buffalo, returning Wed, Jun 24, priced at CA $351 found 5 days ago
American Airlines
Thu, May 14 - Sat, May 30
ORD
Chicago
BUF
Buffalo
CA $367 Roundtrip, found 6 days ago
CA $367
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, May 14 from Chicago to Buffalo, returning Sat, May 30, priced at CA $367 found 6 days ago
Delta
Mon, May 25 - Tue, May 26
ORD
Chicago
BUF
Buffalo
CA $369 Roundtrip, found 19 hours ago
CA $369
Roundtrip
found 19 hours ago
Select Delta flight, departing Mon, May 25 from Chicago to Buffalo, returning Tue, May 26, priced at CA $369 found 19 hours ago
Delta
Mon, Jun 1 - Tue, Jun 16
ORD
Chicago
BUF
Buffalo
CA $370 Roundtrip, found 5 days ago
CA $370
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Jun 1 from Chicago to Buffalo, returning Tue, Jun 16, priced at CA $370 found 5 days ago
American Airlines
Thu, May 14 - Sat, May 30
ORD
Chicago
BUF
Buffalo
CA $380 Roundtrip, found 6 days ago
CA $380
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, May 14 from Chicago to Buffalo, returning Sat, May 30, priced at CA $380 found 6 days ago
American Airlines
Thu, May 14 - Sat, May 30
ORD
Chicago
BUF
Buffalo
CA $383 Roundtrip, found 6 days ago
CA $383
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, May 14 from Chicago to Buffalo, returning Sat, May 30, priced at CA $383 found 6 days ago
Delta
Sat, May 23 - Mon, May 25
ORD
Chicago
BUF
Buffalo
CA $388 Roundtrip, found 19 hours ago
CA $388
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, May 23 from Chicago to Buffalo, returning Mon, May 25, priced at CA $388 found 19 hours ago
Delta
Thu, May 14 - Sat, May 30
ORD
Chicago
BUF
Buffalo
CA $393 Roundtrip, found 6 days ago
CA $393
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, May 14 from Chicago to Buffalo, returning Sat, May 30, priced at CA $393 found 6 days ago
United
Wed, May 20 - Tue, Jun 2
ORD
Chicago
BUF
Buffalo
CA $420 Roundtrip, found 5 days ago
CA $420
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 20 from Chicago to Buffalo, returning Tue, Jun 2, priced at CA $420 found 5 days ago
JetBlue Airways
Wed, May 20 - Fri, May 29
ORD
Chicago
BUF
Buffalo
CA $467 Roundtrip, found 19 hours ago
CA $467
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Wed, May 20 from Chicago to Buffalo, returning Fri, May 29, priced at CA $467 found 19 hours ago

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city centre is 16 minutes. Flights from CA $510
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city centre16 min
Flights from CA $510

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
One-way flights typically cost between $313 and $702 and return flights often range between $313 and $702. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
September is typically the cheapest month to fly from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF), with average round-trip fares of approximately 352 CAD. This is about 24% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) include August and November.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter ORD to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Buffalo, NY (BUF-Buffalo Niagara Intl.) (BUF) will differ from traveler to traveler. If you like to fly early, UA offers early morning flights. If price is the most important factor, AA typically offers the lowest fares. AA offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Buffalo, NY (BUF-Buffalo Niagara Intl.) (BUF), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) is September. This month offers a great balance, as it's one of the cheapest times to fly, with average prices around 352 CAD for a round-trip flight, and it's also a popular month for travel, meaning you'll have plenty of flight options to choose from. This information is based on booking data from the past year.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
When flying from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF), you'll find approximately 11 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 85 connecting flights per day. Some common connection points include LaGuardia (LGA), Hartsfield-Jackson Atlanta Intl. (ATL), and Logan Intl. (BOS).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) typically departs at approximately 12:05 AM local time, operated by American Airlines. This is a seasonal service active in December. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll find the most flights from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Buffalo, NY (BUF-Buffalo Niagara Intl.) (BUF) on a Friday, with around 47 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Delta Air Lines, and United Airlines. Flight schedules are fairly consistent throughout the week, with Fridays having only slightly more flights than other days.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) are in the morning, between 6am and 9am. About 30% of passengers prefer this time window. Many major carriers, including American Airlines and Delta Air Lines, offer flights during this window. This timing works well for travellers who want to arrive at their destination early in the day, giving them more time to settle in or start their activities.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Direct flights from ORD to BUF usually take about 1 hour 50 minutes, traveling roughly 472 miles. If you opt for a connecting flight, expect to add around 3 hours 10 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Select the "Business class" and "First class" filters when looking for ORD to BUF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo from O'Hare Intl. (ORD)?
If you're planning to travel to Buffalo from O'Hare Intl. (ORD), you can fly directly into Buffalo Niagara Intl. (BUF) Some flights may connect through major hubs like Logan Intl. (BOS), Nashville Intl. (BNA), Indianapolis Intl. (IND) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
CA $350
Distance
755 km
Average flight time
2 hours 42 mins

Book with confidence

Chicago to Buffalo Flights

The easy way to book your flights from Chicago to Buffalo 

With Expedia, it’s simple to find and book flights to Buffalo from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Buffalo Niagara Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to Buffalo today, tomorrow, or this week.  

 

Save dollars with cheap flights from O'Hare Intl., ORD to Buffalo Niagara Intl., BUF 

Sort your search results by price to find great deals on your flight from Chicago to Buffalo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buffalo from Chicago currently is just CA $351 rising to CA $467.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Buffalo  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Buffalo from Chicago 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Buffalo with Expedia today.

Chicago to Buffalo Flights

Explore a world of travel with Expedia

*Available to Expedia members.