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Cheap flights from Buffalo to Ottawa from C$ 271

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YOW
24 May — 31 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Ottawa
Explore the most affordable flight options available from Buffalo to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2026.

Fri 5/62:49 p.m.
BUF
-
YOW
2 stops24h 11m
Multiple Airlines
Fri 12/67:00 a.m.
YOW
-
BUF
1 stop12h 12m
Multiple Airlines
Deal found 21/4C$ 554
Thu 28/58:49 p.m.
BUF
-
YOW
1 stop17h 44m
Multiple Airlines
Wed 3/62:20 p.m.
YOW
-
BUF
2 stops47h 34m
Multiple Airlines
Deal found 22/4C$ 673
Thu 4/68:49 p.m.
BUF
-
YOW
1 stop17h 44m
Multiple Airlines
Thu 11/67:00 a.m.
YOW
-
BUF
2 stops12h 12m
Multiple Airlines
Deal found 20/4C$ 751
Thu 28/57:00 a.m.
BUF
-
YOW
1 stop10h 07m
Air Canada
Wed 3/66:25 a.m.
YOW
-
BUF
1 stop14h 38m
Air Canada
Deal found 22/4C$ 945
Sun 17/57:00 a.m.
BUF
-
YOW
1 stop10h 07m
United Airlines
Sun 24/57:30 p.m.
YOW
-
BUF
1 stop14h 21m
United Airlines
Deal found 19/4C$ 985
Wed 13/56:04 a.m.
BUF
-
YOW
1 stop3h 59m
United Airlines
Tue 19/55:50 p.m.
YOW
-
BUF
1 stop5h 43m
United Airlines
Deal found 21/4C$ 986
Wed 13/57:00 a.m.
BUF
-
YOW
1 stop9h 50m
Multiple Airlines
Tue 19/511:00 a.m.
YOW
-
BUF
2 stops11h 32m
Multiple Airlines
Deal found 21/4C$ 1,021
Sat 9/51:57 p.m.
BUF
-
YOW
1 stop7h 38m
Air Canada
Thu 14/510:44 a.m.
YOW
-
BUF
1 stop10h 17m
Air Canada
Deal found 22/4C$ 1,047

Find flight deals from Buffalo to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 April 2026.

Round-trip from

C$ 554

One-way from

C$ 271
5/6-12/6
  • 5/6-12/6
  • 3 total stops
  • 36h 23m total
  • Buffalo to Ottawa
Search Deals
4/6
  • 4/6
  • 2 total stops
  • 30h 01m total
  • Buffalo to Ottawa
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 24 April 2026.
Use the filters below to find and compare flights from Buffalo to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Fri 5/6

2:49 p.m.-3:00 p.m.

2 stops24h 11m

Ottawa

Fri 12/6

7:00 a.m.-7:12 p.m.

1 stop12h 12m

C$ 613

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 28/5

7:00 a.m.-5:07 p.m.

1 stop10h 07m

Ottawa

Wed 3/6

6:25 a.m.-9:03 p.m.

1 stop14h 38m

C$ 945

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sun 17/5

7:00 a.m.-5:07 p.m.

1 stop10h 07m

Ottawa

Sun 24/5

7:30 p.m.-9:51 a.m.

1 stop14h 21m

C$ 985

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 4/6

1:54 p.m.-9:35 p.m.

1 stop7h 41m

Ottawa

Thu 11/6

2:52 p.m.-11:59 p.m.

1 stop9h 07m

C$ 985
Quickest round-trip

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 13/5

6:04 a.m.-10:03 a.m.

1 stop3h 59m

Ottawa

Tue 19/5

5:50 p.m.-11:33 p.m.

1 stop5h 43m

C$ 986

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 9/5

1:57 p.m.-9:35 p.m.

1 stop7h 38m

Ottawa

Thu 14/5

10:44 a.m.-9:01 p.m.

1 stop10h 17m

C$ 1,047

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sun 7/6

7:45 a.m.-4:53 p.m.

1 stop9h 08m

Ottawa

Sun 14/6

2:30 p.m.-11:48 p.m.

1 stop9h 18m

C$ 1,048

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 1/7

7:00 a.m.-9:35 p.m.

1 stop14h 35m

Ottawa

Sat 4/7

6:25 a.m.-4:51 p.m.

1 stop10h 26m

C$ 1,092
Cheapest one-way

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 4/6

11:36 a.m.-5:37 p.m.

2 stops30h 01m

C$ 271

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sun 7/6

6:03 a.m.-12:20 a.m.

2 stops18h 17m

C$ 460

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/4

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Buffalo to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Ottawa?

    Departing from Buffalo to Ottawa will take you 10h 07m. The distance from Buffalo to Ottawa is about 360 km.

  • Can I find deals for flights from Buffalo to Ottawa that include hotel bookings?

    Yes. In addition to deals on Buffalo to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Ottawa.

  • Can I find deals for business class flights from Buffalo to Ottawa?

    Yes. Cheapflights offers flight deals from Buffalo to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Wakefield
Pembroke
Smiths Falls

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Alternative routes for Buffalo to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Islip to Pearson Intl flights
Ithaca to Pierre Elliott Trudeau Intl flights
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Stewart to Pearson Intl flights
Elmira to Pierre Elliott Trudeau Intl flights
Plattsburgh to Pierre Elliott Trudeau Intl flights
White Plains to Ottawa flights
Stewart to Pierre Elliott Trudeau Intl flights
Stewart to Ottawa flights
Binghamton to Pierre Elliott Trudeau Intl flights
Islip to Pierre Elliott Trudeau Intl flights
Rutland to Pierre Elliott Trudeau Intl flights
Binghamton to Pearson Intl flights
Buffalo to Thunder Bay flights

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Yes, Cheapflights offers price alerts on Buffalo to Ottawa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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