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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Flight deals from Buffalo Niagara to Ottawa

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Ottawa? If you want to travel next month, return fares start from $1,383. Find the lowest prices on one-way and return tickets right here.

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 July.

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$1,363
Cheapest month to flyJuly

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 $1,363. 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 $1,363.
As of April 2026, there are no flights flying from Buffalo Niagara to Ottawa.
The cheapest month to fly from Buffalo Niagara to Ottawa is usually July.
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 $1,363.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Ottawa on Sunday, 5 July 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 April, the average temperature is usually around 6°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

  • Buffalo (the location of Buffalo Niagara International Airport) and Ottawa are in the same timezone — UTC-4.

  • Leave plenty of time to get on your BUF to Ottawa flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer lines during popular months like August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you plenty of time for security and boarding.

  • We make it easy to book plane tickets from BUF to Ottawa with a stopover. To see the options, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Well-traveled stopover hubs include:

    • O'Hare International Airport (ORD)

    • Newark Liberty International Airport (EWR)

    • Tampa International Airport (TPA)

  • The journey from central Buffalo to BUF takes around 1 hour 15 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 13 kilometres in 20 minutes or so, depending on traffic conditions.

  • Have an early flight from Buffalo Niagara International Airport to Ottawa? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays close to BUF:

  • When it comes to the on-time performance of Buffalo Niagara International Airport, 75.46% of flights arrive within the expected time frame.

  • You'll find BUF at Genesee Street.

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

  • $522 is currently the best price for a one-way Buffalo Niagara International Airport to Ottawa flight. Return flight tickets start at $1,363. 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)

  • The distance from Ottawa Gatineau Airport (YND) to central Ottawa is roughly 24 kilometres. It takes around 20 minutes to reach the centre driving.

  • It takes around 1 hour 40 minutes to get there using public transport.

  • Stay a quick hop from where you land if you're coming in on a late flight from Buffalo Niagara International Airport to Ottawa. Meilleure Auberge is a comfortable option close to YND. Or check in and relax at Lovely Room 4mins From Gatineau-Ottawa Airport before continuing to your final destination.

  • Venture beyond Ottawa and discover places that aren't found in every travel guide with your own set of wheels. You can grab an Ottawa Gatineau Airport rental car from Hertz.

  • Give yourself a better shot at getting the lowest price by booking early. Reserving your ride from Ottawa Gatineau Airport at least a few weeks before your flight from BUF to Ottawa is a wise move.

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Central Ottawa is located around 13 kilometres from Ottawa/Macdonald-Cartier International Airport (YOW). After your flight from Buffalo Niagara International Airport to Ottawa has hit the runway and you've made your way through the terminal, the drive should take about 20 minutes.

  • If you travel by public transport, the journey will take you 45 minutes or so.

  • After stepping off your BUF to Ottawa flight, unwind at a hotel close to YOW. These are some comfortable accommodation options that'll help you get into relaxation mode:

  • Routes Car Rentals, Alamo and Budget make collecting an Ottawa/Macdonald-Cartier International Airport rental car easy and quick. These trusted providers are located in or around the terminal and will have you on your way in a heartbeat.

  • Lock in the best price by booking your ride from YOW two weeks ahead of time. You'll also have access to a greater range of vehicles.

  • Ottawa/Macdonald-Cartier International Airport can be found at 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 flight ticket with a departure in July if you're eager to visit the city during its warmest month. Expect temperatures to range from 13ºC to 27ºC.

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

More about Ottawa

  • Start your Ottawa trip right by choosing the perfect place to stay. As soon as you've booked your flight from Buffalo Niagara International Airport to Ottawa, browse our range of hotels including:

  • Every great holiday has to include some sightseeing. Rideau Canal, Parliament Hill and National Gallery of Canada are attractions you won't want to skip in Ottawa.

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.