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CA $390 Cheap Flights from Buffalo (BUF) to Ottawa (YOW)

View CA $390 flight on Mon, Aug 10, 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 (BUF) to Ottawa (YOW)

Prices were available within the past 7 days and start at CA $390 for one-way flights and CA $919 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Aug 15 - Tue, Sep 1
BUF
Buffalo
YOW
Ottawa
CA $919 Roundtrip, found 6 days ago
CA $919
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 15 from Buffalo to Ottawa, returning Tue, Sep 1, priced at CA $919 found 6 days ago
United
Tue, Sep 1 - Sat, Sep 19
BUF
Buffalo
YOW
Ottawa
CA $925 Roundtrip, found 6 days ago
CA $925
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 1 from Buffalo to Ottawa, returning Sat, Sep 19, priced at CA $925 found 6 days ago
United
Tue, Aug 25 - Tue, Sep 1
BUF
Buffalo
YOW
Ottawa
CA $931 Roundtrip, found 3 days ago
CA $931
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 25 from Buffalo to Ottawa, returning Tue, Sep 1, priced at CA $931 found 3 days ago
United
Sat, Oct 3 - Sat, Oct 17
BUF
Buffalo
YOW
Ottawa
CA $932 Roundtrip, found 6 days ago
CA $932
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 3 from Buffalo to Ottawa, returning Sat, Oct 17, priced at CA $932 found 6 days ago
United
Sat, Aug 15 - Sun, Aug 30
BUF
Buffalo
YOW
Ottawa
CA $939 Roundtrip, found 6 days ago
CA $939
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 15 from Buffalo to Ottawa, returning Sun, Aug 30, priced at CA $939 found 6 days ago
United
Thu, Oct 1 - Sat, Oct 17
BUF
Buffalo
YOW
Ottawa
CA $944 Roundtrip, found 6 days ago
CA $944
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 1 from Buffalo to Ottawa, returning Sat, Oct 17, priced at CA $944 found 6 days ago
JetBlue Airways
Mon, Aug 24 - Mon, Aug 31
BUF
Buffalo
YOW
Ottawa
CA $958 Roundtrip, found 3 days ago
CA $958
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Mon, Aug 24 from Buffalo to Ottawa, returning Mon, Aug 31, priced at CA $958 found 3 days ago
Delta
Tue, Sep 22 - Tue, Sep 29
BUF
Buffalo
YOW
Ottawa
CA $983 Roundtrip, found 3 days ago
CA $983
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 22 from Buffalo to Ottawa, returning Tue, Sep 29, priced at CA $983 found 3 days ago
American Airlines
Tue, Sep 22 - Tue, Sep 29
BUF
Buffalo
YOW
Ottawa
CA $1,040 Roundtrip, found 3 days ago
CA $1,040
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 22 from Buffalo to Ottawa, returning Tue, Sep 29, priced at CA $1,040 found 3 days ago
Air Canada
Sat, Oct 10 - Sun, Oct 11
BUF
Buffalo
YOW
Ottawa
CA $1,313 Roundtrip, found 6 days ago
CA $1,313
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sat, Oct 10 from Buffalo to Ottawa, returning Sun, Oct 11, priced at CA $1,313 found 6 days ago

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 centre is 15 minutes. Flights from CA $1,034
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city centre15 min
Flights from CA $1,034

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 one-way and return flights from BUF to YOW with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when BUF to YOW ticket fares go up or down.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The cheapest months to fly from BUF to YOW 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 Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Enter BUF to YOW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting return flights from Buffalo Niagara Intl. (BUF) to Macdonald-Cartier Intl. (YOW), with a layover in Logan Intl. (BOS), with tickets starting from around CA$850 for flights that can be booked for departure within the next year. These prices are for economy/coach class per adult. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
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.
How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
There are approximately 20 connecting flights per day from Buffalo Niagara Intl. (BUF) to Macdonald-Cartier Intl. (YOW). Some common connection points include Liberty Intl. (EWR), Washington Dulles Intl. (IAD), and O'Hare Intl. (ORD).
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 Intl. (BUF) to Macdonald-Cartier Intl. (YOW) typically departs around 5:00 AM. This flight is operated by American Airlines and Porter Airlines. This is a seasonal service active in May. 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 Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
You'll typically find the most flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) on a Wednesday, with around 30 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and American Airlines. Flight schedules are fairly consistent throughout the week, with Wednesday offering only slightly more options compared to other days.
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 Niagara Intl. (BUF) to Macdonald-Cartier Intl. (YOW) are in the early morning, from 6am to 9am. Many major carriers, including United, JetBlue Airways and American Airlines, offer flights during this window. Many travellers prefer this time as it allows for an early start to their day at their destination.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
There are no nonstop flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.). The distance between these two airports is approximately 360 kilometres (224 miles). For flights with one stop, you can expect the journey to take around 4 hours. If your flight has two or more stops, the travel time typically increases to about 11 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Yes, you can fly business class or first class between Buffalo Niagara International Airport (BUF) and Ottawa Macdonald-Cartier International Airport (YOW).You can fly business class with United.First class cabins are available on United.
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, ON (YOW) from Buffalo, NY (BUF)?
If you're planning to travel to Ottawa from Buffalo Niagara Intl. (BUF), you can fly directly into Macdonald-Cartier Intl. (YOW). Some flights may connect through major hubs like O'Hare Intl. (ORD), Liberty Intl. (EWR), or Washington Dulles Intl. (IAD) 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.) 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 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
Air Canada, American Airlines, United
Roundtrip price
CA $919
Distance
358 km

Book with confidence

Buffalo to Ottawa Flights

The easy way to book your flights from Buffalo to Ottawa 

With Expedia, it’s simple to find and book flights to Ottawa 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 Macdonald-Cartier 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 Ottawa today, tomorrow, or this week.  

 

Save dollars with cheap flights from Buffalo Niagara Intl., BUF to Macdonald-Cartier Intl., YOW 

Sort your search results by price to find great deals on your flight from Buffalo to Ottawa—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ottawa from Buffalo currently is just CA $919 rising to CA $1,313.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ottawa  
  • 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 Ottawa 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 Ottawa with Expedia today.

Buffalo to Ottawa Flights

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