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Cheap Flights from Ottawa (YOWA) to Buffalo Niagara (BUF)

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Compare Ottawa to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

Book the best Buffalo Niagara fare with no extra fees

Flight dealsCheapest monthFind the best routeRoute infoFAQsTips and advice

Flight deals from Ottawa to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Ottawa to Buffalo Niagara? Find the lowest prices on one-way and return tickets right here.
Buffalo.£359 per passenger.Departing Mon, 7 Jul, returning Thu, 10 Jul.Return flight with Porter Airlines and jetBlue.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Mon, 7 Jul, arriving in Buffalo Niagara.Inbound indirect flight with jetBlue, departs from Buffalo Niagara on Thu, 10 Jul, arriving in Ottawa International.Price includes taxes and charges.From £359, select.
Mon, 7 JulYOW - BUF with Porter Airlines
1 stop
Thu, 10 JulBUF - YOW with jetBlue
1 stop
from £359
Buffalo.£391 per passenger.Departing Fri, 27 Jun, returning Thu, 3 Jul.Return flight with Porter Airlines and jetBlue.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Fri, 27 Jun, arriving in Buffalo Niagara.Inbound indirect flight with jetBlue, departs from Buffalo Niagara on Thu, 3 Jul, arriving in Ottawa International.Price includes taxes and charges.From £391, select.
Fri, 27 JunYOW - BUF with Porter Airlines
1 stop
Thu, 3 JulBUF - YOW with jetBlue
1 stop
from £391
Buffalo.£408 per passenger.Departing Thu, 25 Sep, returning Fri, 26 Sep.Return flight with Porter Airlines and jetBlue.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Thu, 25 Sep, arriving in Buffalo Niagara.Inbound indirect flight with jetBlue, departs from Buffalo Niagara on Fri, 26 Sep, arriving in Ottawa International.Price includes taxes and charges.From £408, select.
Thu, 25 SepYOW - BUF with Porter Airlines
1 stop
Fri, 26 SepBUF - YOW with jetBlue
1 stop
from £408
Buffalo.£411 per passenger.Departing Fri, 4 Jul, returning Mon, 4 Aug.Return flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Fri, 4 Jul, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 4 Aug, arriving in Ottawa International.Price includes taxes and charges.From £411, select.
Fri, 4 JulYOW - BUF with Porter Airlines
1 stop
Mon, 4 AugBUF - YOW with Frontier Airlines
1 stop
from £411
Buffalo.£473 per passenger.Departing Thu, 12 Jun, returning Thu, 19 Jun.Return flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Thu, 12 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 19 Jun, arriving in Ottawa International.Price includes taxes and charges.From £473, select.
Thu, 12 JunYOW - BUF with Porter Airlines
1 stop
Thu, 19 JunBUF - YOW with Frontier Airlines
1 stop
from £473
How did we find these deals? The deals you see here are the lowest prices for flight tickets from Ottawa to Buffalo Niagara found in the last 4 days, and are subject to change and availability.

Find the cheapest month to fly from Ottawa to Buffalo Niagara

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to Buffalo Niagara flights are currently cheapest in July.
Jun
from £473
Jul
from £359
Aug
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Sep
from £408
Oct
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Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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May
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Ottawa to Buffalo Niagara: Alternative routes

Compare routes from Ottawa to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

Ottawa to Buffalo: Flight information

The things to know before you go.
Cheapest flight found£360
Cheapest month to flyJuly

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

The best price we found for a return flight from Ottawa to Buffalo Niagara is £359. 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 Ottawa to Buffalo Niagara. But we found flights with one stop from £360.
As of June 2025, there are no flights flying from Ottawa to Buffalo Niagara.
The cheapest month to fly from Ottawa to Buffalo Niagara is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Buffalo Niagara Airport on Monday, 7 July 2025.
No airlines currently offer direct flights between Ottawa and Buffalo Niagara Airport. 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 Buffalo Niagara 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 Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Buffalo Niagara is Porter Airlines .

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

  • Ottawa/Macdonald-Cartier International Airport (YOW) is Ottawa's main airport. Explore your options for reserving a flight from Ottawa to Buffalo Niagara International Airport (BUF) departing from here.

  • Buffalo's timezone is UTC-4, which is the same as Ottawa. Buffalo Niagara International Airport is located in Buffalo.

  • Arrive at the airport on time so you don't miss your flight from Ottawa to BUF. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Head to the airport even earlier during popular months like August. Aim for two hours before domestic departures and up to four hours for international flights. Once you've checked in, you can use any extra time to relax or grab something to eat.

Airports in Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

  • The distance from central Ottawa to YOW is around 8 miles. Use Google Maps for the quickest way to get there, whether in your own car or with public transport.

  • Have an early flight from Ottawa to Buffalo Niagara International Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels near Ottawa/Macdonald-Cartier International Airport:

    • Southway Hotel

    • Holiday Inn Express & Suites Ottawa Airport

    • Adam's Airport Inn

About Buffalo Niagara International Airport (BUF)

  • Book a hotel close to BUF if you're taking a late flight from Ottawa to Buffalo Niagara International Airport. Select one of these accommodation options and skip the long transfer:

    • Baymont by Wyndham Buffalo

    • Budget Inn Buffalo Airport

    • Homewood Suites by Hilton Buffalo - Airport

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

  • From Buffalo Niagara International Airport, Buffalo is approximately 11 miles away. It takes around 21 minutes to reach the centre driving.

  • It'll take around 1 hour and 15 minutes to get there using public transport.

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

  • The best price we've found for a one-way ticket from Ottawa to Buffalo Niagara International Airport is £186. The cheapest price for a return flight is £359. Remember fares can change due to availability at the time of booking.

  • To score cheap tickets from Ottawa to BUF, book as early as you can. Airlines typically offer their most competitively priced fares when flights are first released.

  • Finding cheap tickets from Ottawa to Buffalo Niagara International Airport is easier if you can be flexible with your travel dates. Use the 'Whole month' tool to see the lowest fares across every month and score a great deal.

  • Finding a cheap ticket from Ottawa to BUF is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.

  • Tailor your flights with filters. Select your departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Ottawa to Buffalo Niagara International Airport.

The best time to fly from Ottawa to Buffalo Niagara International Airport (BUF)

  • August is the most popular month for flights from Ottawa to Buffalo Niagara International Airport. To steer clear of the crowds, plan your trip to Buffalo in May when it's quieter.

  • Before booking a flight from Ottawa to BUF, think about the type of weather you enjoy. July is the warmest month in Buffalo, with temperatures ranging from 15ºC to 28ºC.

  • Search for cheap flights from Ottawa to Buffalo Niagara International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -10ºC and 2ºC on average.

More about Buffalo

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

    • Wyndham Garden Buffalo Downtown

    • Hyatt Regency Buffalo Hotel and Conference Centre

    • Staybridge Suites Buffalo

  • All great journeys should include some sightseeing. Buffalo City Hall, Albright-Knox Art Gallery and Canalside are must-do's during your Buffalo adventure.

Complete your Buffalo trip with a car rental

  • Get behind the wheel of one of our car rentals in Buffalo and see the city on your own terms. Easily compare prices from trusted providers in one place after booking your hotel and cheap flights from Ottawa to Buffalo Niagara International Airport.

Plan the rest of your trip from Ottawa to Buffalo

  • Car hire from Buffalo Niagara
  • Hotels in Buffalo

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

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