$303 Cheap Flights from Buffalo (BUF) to Ottawa (YOW)

View $303 flight on Fri, Jan 16, 2026Opens in a new window

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

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Cheap Flights from Buffalo to Ottawa (BUF-YOW)

Prices were available within the past 7 days and start at $303 for one-way flights and $617 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, Nov 27 - Fri, Nov 28
BUF
Buffalo
YOW
Ottawa
$617 Roundtrip, found 3 days ago
$617
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Thu, Nov 27 from Buffalo to Ottawa, returning Fri, Nov 28, priced at $617 found 3 days ago
JetBlue Airways
Thu, Dec 11 - Sun, Dec 14
BUF
Buffalo
YOW
Ottawa
$624 Roundtrip, found 17 hours ago
$624
Roundtrip
found 17 hours ago
Select JetBlue Airways flight, departing Thu, Dec 11 from Buffalo to Ottawa, returning Sun, Dec 14, priced at $624 found 17 hours ago
JetBlue Airways
Thu, Nov 27 - Tue, Dec 2
BUF
Buffalo
YOW
Ottawa
$627 Roundtrip, found 3 days ago
$627
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Thu, Nov 27 from Buffalo to Ottawa, returning Tue, Dec 2, priced at $627 found 3 days ago
JetBlue Airways
Wed, Dec 3 - Wed, Dec 24
BUF
Buffalo
YOW
Ottawa
$631 Roundtrip, found 3 days ago
$631
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Wed, Dec 3 from Buffalo to Ottawa, returning Wed, Dec 24, priced at $631 found 3 days ago
United
Tue, Dec 16 - Wed, Jan 7
BUF
Buffalo
YOW
Ottawa
$633 Roundtrip, found 3 days ago
$633
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 16 from Buffalo to Ottawa, returning Wed, Jan 7, priced at $633 found 3 days ago
JetBlue Airways
Tue, Dec 16 - Thu, Jan 8
BUF
Buffalo
YOW
Ottawa
$635 Roundtrip, found 3 days ago
$635
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Dec 16 from Buffalo to Ottawa, returning Thu, Jan 8, priced at $635 found 3 days ago
JetBlue Airways
Thu, Jan 1 - Tue, Jan 20
BUF
Buffalo
YOW
Ottawa
$636 Roundtrip, found 3 days ago
$636
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Thu, Jan 1 from Buffalo to Ottawa, returning Tue, Jan 20, priced at $636 found 3 days ago
United
Thu, Dec 25 - Wed, Dec 31
BUF
Buffalo
YOW
Ottawa
$640 Roundtrip, found 13 hours ago
$640
Roundtrip
found 13 hours ago
Select United flight, departing Thu, Dec 25 from Buffalo to Ottawa, returning Wed, Dec 31, priced at $640 found 13 hours ago
JetBlue Airways
Thu, Jan 1 - Mon, Jan 19
BUF
Buffalo
YOW
Ottawa
$640 Roundtrip, found 3 days ago
$640
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Thu, Jan 1 from Buffalo to Ottawa, returning Mon, Jan 19, priced at $640 found 3 days ago
Air Canada
Sun, May 10 - Wed, May 13
BUF
Buffalo
YOW
Ottawa
$846 Roundtrip, just found
$846
Roundtrip
just found
Select Air Canada flight, departing Sun, May 10 from Buffalo to Ottawa, returning Wed, May 13, priced at $846 just found

Alternative airports near Ottawa

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

Select flight to Macdonald-Cartier Intl. YOW. Cheapest option available. Average driving time to city center is 15 minutes. Flights from $756
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city center15 min
Flights from $756

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW) cost?
Lock in a cheap one-way flight from $303 or cheap return flight from $617 from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW)?
The cheapest month to fly from BUF to YOW is November, when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
Which airlines fly direct from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW)?
You can't fly directly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Macdonald-Cartier Intl. Airport (YOW). However, you can find other airports that offer nonstop flights. Board your plane at Billy Bishop Toronto City Airport (YTZ) and head straight to Ottawa without any detours.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW)?
To find the cheapest airline that'll fly you from BUF to YOW, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW)?
There are no daily nonstop flights from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BUF to YOW?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW)?
To land at Macdonald-Cartier Intl. Airport (YOW) on time, pick a flight that takes off from Buffalo Niagara Intl. Airport (BUF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW) last-minute?
Booking your plane ticket from BUF to YOW right before your journey is usually more expensive. But if there's some wiggle room with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a BUF to YOW flight and hotel package?
Booking a BUF to YOW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Macdonald-Cartier Intl. Airport (YOW)?
Typically, you can modify or cancel your BUF to YOW flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, go to our Customer Service portal.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Air Canada, United
Roundtrip price
$617
Distance
224 mi

Book with confidence

Buffalo to Ottawa Flights

The cheapest times to fly from Buffalo to Ottawa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Ottawa are during the month of November. You can find some of the cheapest flights from Buffalo to Ottawa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Ottawa

Sunday is one of the best days to book for cheap flights from Buffalo to Ottawa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to Ottawa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Ottawa in 2025. You can also book with separate airlines for your outbound and return journeys, from $303 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Ottawa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to Ottawa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Buffalo to Ottawa Flights

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*Available to One Key members.