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

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Ottawa (YOW) to Buffalo (BUF)

March is typically the cheapest month to fly

From £349 - £615 per traveller.

Graph displaying average flight prices per month

Flight from Ottawa to Buffalo route information
Origin airport
Macdonald-Cartier Intl.
Destination airport
Buffalo Niagara Intl.
Distance
358 km

Compare flights from Ottawa to Buffalo easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Ottawa to Buffalo. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Buffalo Niagara Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Macdonald-Cartier Intl. to Buffalo Niagara Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Macdonald-Cartier Intl. (YOW) to Buffalo Niagara Intl. (BUF)

The easiest way to view the best deals on flights from Ottawa to Buffalo today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Macdonald-Cartier Intl. to Buffalo Niagara Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Ottawa and Buffalo
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Ottawa to Buffalo flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Macdonald-Cartier Intl. to Buffalo Niagara Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Ottawa Intl. Airport to Buffalo Niagara Intl. Airport (BUF)?
The lowest price advertised for a round-trip journey from Ottawa Intl. Airport to BUF is . But you better act fast. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from YOW to BUF?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Macdonald-Cartier Intl. Airport (YOW) to BUF that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for YOW to Buffalo Niagara International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Macdonald-Cartier Intl. Airport (YOW) to Buffalo Niagara International Airport?
The flight distance from Macdonald-Cartier Intl. Airport (YOW) (YOW) to Buffalo Niagara International Airport (BUF) is 360 kilometres. You'll be stepping off the plane and picking up your bags from the carousel in no time.
Which airlines fly direct from Ottawa Intl. Airport to Buffalo Niagara International Airport?
There are no direct flights, so you'll have to make at least one stop between Ottawa International Airport and Buffalo Niagara Intl. Airport (BUF). Use the layover time to stretch your legs and freshen up.
Are Macdonald-Cartier Intl. Airport (YOW) to Buffalo Niagara Intl. Airport (BUF) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Macdonald-Cartier Intl. Airport (YOW) to BUF at the last minute could be your ticket to a fantastic deal. However, it might cost you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Explore a world of travel with Expedia

*Available to Expedia members.