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CA $149 Cheap Flights from Buffalo (BUF) to Chicago (ORD)

View CA $149 flight on Wed, Aug 12, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $149 for one-way flights and CA $285 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sat, Oct 3 - Wed, Oct 7
BUF
Buffalo
ORD
Chicago
CA $285 Roundtrip, found 1 day ago
CA $285
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Oct 3 from Buffalo to Chicago, returning Wed, Oct 7, priced at CA $285 found 1 day ago
JetBlue Airways
Fri, Sep 4 - Sun, Sep 6
BUF
Buffalo
ORD
Chicago
CA $297 Roundtrip, found 1 day ago
CA $297
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri, Sep 4 from Buffalo to Chicago, returning Sun, Sep 6, priced at CA $297 found 1 day ago
JetBlue Airways
Wed, Aug 12 - Wed, Aug 19
BUF
Buffalo
ORD
Chicago
CA $297 Roundtrip, just found
CA $297
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Aug 12 from Buffalo to Chicago, returning Wed, Aug 19, priced at CA $297 just found
JetBlue Airways
Thu, Oct 1 - Mon, Oct 5
BUF
Buffalo
ORD
Chicago
CA $299 Roundtrip, found 19 hours ago
CA $299
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Thu, Oct 1 from Buffalo to Chicago, returning Mon, Oct 5, priced at CA $299 found 19 hours ago
American Airlines
Thu, Aug 6 - Thu, Aug 13
BUF
Buffalo
ORD
Chicago
CA $300 Roundtrip, found 6 days ago
CA $300
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 6 from Buffalo to Chicago, returning Thu, Aug 13, priced at CA $300 found 6 days ago
JetBlue Airways
Wed, Sep 2 - Sun, Sep 6
BUF
Buffalo
ORD
Chicago
CA $305 Roundtrip, found 2 days ago
CA $305
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Sep 2 from Buffalo to Chicago, returning Sun, Sep 6, priced at CA $305 found 2 days ago
American Airlines
Sat, Aug 22 - Tue, Aug 25
BUF
Buffalo
ORD
Chicago
CA $307 Roundtrip, found 5 days ago
CA $307
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Aug 22 from Buffalo to Chicago, returning Tue, Aug 25, priced at CA $307 found 5 days ago
Delta
Mon, Sep 14 - Sat, Oct 3
BUF
Buffalo
ORD
Chicago
CA $342 Roundtrip, found 5 days ago
CA $342
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Sep 14 from Buffalo to Chicago, returning Sat, Oct 3, priced at CA $342 found 5 days ago
United
Thu, Sep 3 - Mon, Sep 7
BUF
Buffalo
ORD
Chicago
CA $412 Roundtrip, found 5 days ago
CA $412
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 3 from Buffalo to Chicago, returning Mon, Sep 7, priced at CA $412 found 5 days ago
Sun Country Airlines
Fri, Jul 24 - Sun, Jul 26
BUF
Buffalo
ORD
Chicago
CA $763 Roundtrip, found 6 hours ago
CA $763
Roundtrip
found 6 hours ago
Select Sun Country Airlines flight, departing Fri, Jul 24 from Buffalo to Chicago, returning Sun, Jul 26, priced at CA $763 found 6 hours ago

Alternative airports near Chicago

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

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city centre is 16 minutes. Flights from CA $859
MDW
Midway Intl.
Closest
Average driving time to city centre16 min
Flights from CA $859

Find the cheapest month to fly from Buffalo (BUF) to Chicago (ORD)

February is typically the cheapest month to fly

From CA $217 - CA $803 per traveller.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF) to Chicago, IL (ORD) cost?
You can find cheap one-way flights from CA $149 and cheap return flights from CA $285 BUF to ORD with Expedia. One-way flights typically cost between CA$203 and CA$523. 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 BUF to ORD ticket fares go up or down.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest months to fly from BUF to ORD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
There are 2 airlines offering direct flights from Buffalo Niagara Intl. (BUF) to O'Hare Intl. (ORD). Here are the carriers:
  • United operates 41 direct flights from Buffalo Niagara Intl. to O'Hare Intl. every week.
  • American Airlines operates 37 direct flights from Buffalo Niagara Intl. to O'Hare Intl. every week.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. American Airlines offers the most daily flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.), 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find around 11 nonstop flights per day from Buffalo Niagara Intl. (BUF) to O'Hare Intl. (ORD). For even more choices, look at flights that include layovers, as there are approximately 66 connecting flights per day. Some common connection points include LaGuardia (LGA), Logan Intl. (BOS), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) typically departs around 5:00 AM. This service is operated by American Airlines. Please note that this is a seasonal service, active only in August. An early departure like this can help you make the most of 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find the most flights from Buffalo Niagara Intl. (BUF) to O'Hare Intl. (ORD) on Thursdays, with around 44 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, Delta, and United. Flight schedules are fairly consistent throughout the week, with Thursdays having only slightly more flights than other days.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to O'Hare Intl. (ORD) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travellers prefer this time because it allows for an early start to their day in Chicago.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
When flying from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.), you have a few options. A nonstop flight typically takes around 2 hours, covering a distance of approximately 760 kilometres. If you opt for a one-stop flight, your travel time will generally be longer, averaging about 5 hours. Flights with two or more stops usually take around 7 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Yes, you can fly business class or first class between BUF and ORD. Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Delta
First class cabins are available on Delta, United, and American Airlines.
How do I earn miles on a Buffalo, NY (BUF) to Chicago, IL (ORD) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF) to Chicago, IL (ORD) 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 Chicago, IL (ORD) from Buffalo, NY (BUF)?
If you're planning to travel to Chicago from Buffalo Niagara Intl. (BUF), you can fly directly into O'Hare Intl. (ORD). Some flights may connect through major hubs like LaGuardia (LGA), Ronald Reagan Washington National (DCA), or Charlotte-Douglas Intl. (CLT) before reaching Chicago. 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 Buffalo, NY (BUF) to Chicago, IL (ORD) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF) to Chicago, IL (ORD) 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 Buffalo, NY (BUF) to Chicago, IL (ORD) flight and hotel package?
Securing a Buffalo, NY (BUF) to Chicago, IL (ORD) 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare 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
Buffalo Niagara Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Sun Country Airlines, United
Roundtrip price
CA $284
Distance
755 km
Average flight time
1 hour 3 mins

Book with confidence

Buffalo to Chicago Flights

The easy way to book your flights from Buffalo to Chicago 

With Expedia, it’s simple to find and book flights to Chicago from Buffalo 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 O'Hare 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 Buffalo to Chicago today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Buffalo to Chicago—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Chicago from Buffalo currently is just CA $285 rising to CA $763.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Chicago  
  • 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 Chicago from Buffalo 

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 Chicago with Expedia today.

Buffalo to Chicago Flights

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