$292 Cheap Flights from Buffalo (BUF) to Ottawa (YOW)

View $292 flight on Thu, Jun 4, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Ottawa International Airport (YOW)

Cheap Flights from Buffalo to Ottawa (BUF-YOW)

Prices were available within the past 7 days and start at $292 for one-way flights and $648 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Jun 13 - Sun, Jun 21
BUF
Buffalo
YOW
Ottawa
$648 Roundtrip, found 3 days ago
$648
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jun 13 from Buffalo to Ottawa, returning Sun, Jun 21, priced at $648 found 3 days ago
JetBlue Airways
Wed, May 13 - Tue, May 19
BUF
Buffalo
YOW
Ottawa
$675 Roundtrip, found 2 days ago
$675
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, May 13 from Buffalo to Ottawa, returning Tue, May 19, priced at $675 found 2 days ago
United
Sat, Jun 6 - Tue, Jun 9
BUF
Buffalo
YOW
Ottawa
$676 Roundtrip, found 3 days ago
$676
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jun 6 from Buffalo to Ottawa, returning Tue, Jun 9, priced at $676 found 3 days ago
United
Sat, Jun 13 - Sun, Jun 21
BUF
Buffalo
YOW
Ottawa
$677 Roundtrip, found 3 days ago
$677
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jun 13 from Buffalo to Ottawa, returning Sun, Jun 21, priced at $677 found 3 days ago
United
Sat, Jun 13 - Sun, Jun 21
BUF
Buffalo
YOW
Ottawa
$678 Roundtrip, found 3 days ago
$678
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jun 13 from Buffalo to Ottawa, returning Sun, Jun 21, priced at $678 found 3 days ago
JetBlue Airways
Wed, May 13 - Tue, May 19
BUF
Buffalo
YOW
Ottawa
$680 Roundtrip, found 2 days ago
$680
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, May 13 from Buffalo to Ottawa, returning Tue, May 19, priced at $680 found 2 days ago
United
Tue, May 5 - Tue, May 12
BUF
Buffalo
YOW
Ottawa
$686 Roundtrip, found 3 days ago
$686
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 5 from Buffalo to Ottawa, returning Tue, May 12, priced at $686 found 3 days ago
Delta
Wed, May 13 - Tue, May 19
BUF
Buffalo
YOW
Ottawa
$706 Roundtrip, found 2 days ago
$706
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 13 from Buffalo to Ottawa, returning Tue, May 19, priced at $706 found 2 days ago
Air Canada
Tue, May 5 - Tue, May 12
BUF
Buffalo
YOW
Ottawa
$707 Roundtrip, found 3 days ago
$707
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, May 5 from Buffalo to Ottawa, returning Tue, May 12, priced at $707 found 3 days ago
American Airlines
Fri, May 15 - Sun, May 17
BUF
Buffalo
YOW
Ottawa
$718 Roundtrip, found 1 day ago
$718
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, May 15 from Buffalo to Ottawa, returning Sun, May 17, priced at $718 found 1 day ago

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) cost?
You can find cheap one-way flights from $292 and cheap return flights from $648 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) with Expedia. One-way flights generally range between $351 and $1024, and roundtrip flights usually range from $744 to $1894. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The cheapest month to fly from BUF to YOW is June 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're 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 Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Enter BUF to YOW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier 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 time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier 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.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The earliest flight from Buffalo Niagara International Airport (BUF) to Macdonald-Cartier International Airport (YOW) typically departs at around 6:00 AM. This seasonal service is available in October, and an early departure can help you enjoy more time in Ottawa. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The most popular departure times for flights from Buffalo, NY (BUF) to Ottawa, ON (YOW) are in the early morning, from 6am to 9am. About 46% of passengers prefer this time window. Many major carriers, including United Airlines, offer flights during this window. This timing works well because it helps you arrive in Ottawa early, giving you a full day to enjoy the city.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
A flight from BUF to YOW with a layover takes around 4 hours, with the route covering approximately 224 miles. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Business class seats are offered on the BUF to YOW route with United Airlines.First class is available with United Airlines.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier 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 Ottawa from Buffalo Niagara Intl. (BUF)?
From Buffalo Niagara Intl. (BUF), you can fly into Macdonald-Cartier Intl. (YOW) to reach Ottawa. Some flights may connect through major hubs like O'Hare Intl. (ORD), Liberty Intl. (EWR), LaGuardia (LGA) before reaching Ottawa. 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-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) Ottawa Vacation Packages 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 Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier 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
Macdonald-Cartier Intl.
Airlines serving
United
Roundtrip price
$648
Distance
224 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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