Cheap flights from Buffalo Niagara to Ottawa

Compare Buffalo Niagara to Ottawa flight deals

Find the cheapest month or even day of the year to fly to Ottawa

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Find the cheapest month to fly from Buffalo Niagara to Ottawa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Ottawa flights are currently cheapest in April.

Alternative Buffalo Niagara to Ottawa routes

Looking for the cheapest, fastest or easiest route from Buffalo Niagara to Ottawa? You could fly into the following airports instead.

Buffalo to Ottawa: Flight information

The things to know before you go.
Cheapest flight found$419
Cheapest month to flyApril

Finding cheap flights from Buffalo Niagara to Ottawa: Frequently asked questions

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a return flight from Buffalo Niagara to Ottawa is $934. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Buffalo Niagara to Ottawa. But we found flights with one or more stops from $934.
As of March 2026, there are no flights flying from Buffalo Niagara to Ottawa.
The cheapest month to fly from Buffalo Niagara to Ottawa is usually April.
If you're flying from Buffalo Niagara Airport, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from $934.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Ottawa on Thursday, 16 April 2026.
No airlines currently offer direct flights between Buffalo Niagara Airport and Ottawa. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around -3°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
Currently, United offers the cheapest flight tickets to Ottawa.

Travelling from Buffalo Niagara International Airport (BUF) to Ottawa: what you need to know

  • Ottawa and Buffalo (where Buffalo Niagara International Airport is located) are both in the UTC-4 timezone. That means you won't have to change your watch on arrival.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your BUF to Ottawa flight.

  • Delays at check-in and security are likely if you're heading away during high season, so give yourself a bit more breathing room. A good general rule for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Stopovers are the perfect opportunity to break up your journey and perhaps even tick off a new city. When browsing for plane tickets from BUF to Ottawa, deselect the 'Direct flights only' box to see where you can visit along the way. Consider one of these popular options:

    • O'Hare International Airport (ORD)

    • Newark Liberty International Airport (EWR)

    • Tampa International Airport (TPA)

  • BUF is around 13 kilometres from central Buffalo. If you're catching a cab, driving or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're taking public transport, expect the trip time to be around 1 hour 15 minutes.

  • Have an early flight from Buffalo Niagara International Airport to Ottawa? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near BUF:

  • 75.46% of flights that depart Buffalo Niagara International Airport land at their destination on schedule.

  • BUF's address is Genesee Street.

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Ottawa

  • $419 is currently the best price for a one-way Buffalo Niagara International Airport to Ottawa flight. Return plane tickets start at $934. These fares can change depending on demand and availability.

  • Don't leave things to the last minute. You're more likely to land cheap flights from BUF to Ottawa if you book early. Airlines often have some fantastic early bird rates.

  • If you're flexible with your travel dates, use the 'Whole month' tool. It'll give you the lowest price across every month when searching for your Buffalo Niagara International Airport to Ottawa ticket.

  • Cut down on the time spent looking for cheap flights from BUF to Ottawa by setting up a Price Alert. You'll receive an email or notification on the app when a lower fare becomes available.

  • Find a cheap flight from Buffalo Niagara International Airport to Ottawa with the help of our filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Ottawa

Ottawa Gatineau Airport (YND)

  • Ottawa Gatineau Airport (YND) to the centre of Ottawa takes around 20 minutes to reach by car. The centre is roughly 24 kilometres away.

  • If you're taking public transport, expect a journey time of around 1 hour 40 minutes.

  • Stay just a quick transfer away if you're coming in on a late flight from Buffalo Niagara International Airport to Ottawa. Meilleure Auberge is one option near YND. Or check in and relax at Lovely Room 4mins From Gatineau-Ottawa Airport before travelling to your final destination.

  • Go beyond Ottawa and discover places outside the usual tourist stops with your own wheels. You can grab an Ottawa Gatineau Airport rental car from Hertz.

  • Increase your chances of securing the best rate by booking early. Reserving your vehicle from Ottawa Gatineau Airport at least a few weeks ahead of your flight from BUF to Ottawa is a good move.

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Central Ottawa is about 13 kilometres from Ottawa/Macdonald-Cartier International Airport (YOW). After your flight from Buffalo Niagara International Airport to Ottawa has touched down and you've made your way out of the airport, the drive should be around 20 minutes.

  • If you're travelling on public transport, it'll take around 45 minutes.

  • Hang up the 'Do not disturb' sign and unwind at a hotel near YOW. Here are a few options where you can kick back after your BUF to Ottawa flight:

  • Routes Car Rentals, Alamo and Budget make picking up an Ottawa/Macdonald-Cartier International Airport rental car quick and easy. These trusted providers are located in or around the terminal and will have you behind the wheel before you know it.

  • Avoid paying extra. Securing your ride two weeks ahead of your arrival at YOW will help you save.

  • The address for Ottawa/Macdonald-Cartier International Airport is 50 Airport Road.

Best time to go to Ottawa

  • Before locking in your flights from Buffalo Niagara International Airport to Ottawa, consider which time of year works best for you. High season in Ottawa offers a bustling atmosphere and plenty of things to do, while the off-season means you'll get cheaper hotel rates and smaller crowds.

  • Book a Buffalo Niagara International Airport to Ottawa plane ticket with a departure in July if you're eager to visit the city during its warmest month. Expect temperatures to range from 13ºC (55ºF) to 27ºC (81ºF).

  • January has average temperatures of between -19ºC (-2ºF) and -2ºC (28ºF). Search for a cheap ticket from BUF to Ottawa around that time if you like cooler conditions.

More about Ottawa

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Ottawa right here. Browse these hotels as soon as you've booked your flight from Buffalo Niagara International Airport to Ottawa:

  • There are so many things to explore in this city it can be hard to know where to begin. Rideau Canal, Parliament Hill and National Gallery of Canada are popular attractions which should feature on any well-planned Ottawa itinerary.

Explore more of Canada

  • Ottawa has loads to offer, but there are so many other parts of Canada just waiting to be discovered. About 354 kilometres south-west of Ottawa, a visit to Toronto will keep you on the go. Start with leading sights like CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • Around 153 kilometres east of Ottawa, Montreal is another favourite stop in Canada. Get a taste of what this destination has to offer at Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.