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Cheap flights from Buffalo to Ottawa from C$ 331

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YOW
13 Apr — 20 Apr1
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 14 March 2026.

Thu 26/312:50 p.m.
BUF
-
YOW
2 stops23h 45m
Multiple Airlines
Sun 29/34:20 p.m.
YOW
-
BUF
1 stop18h 29m
Multiple Airlines
Deal found 9/3C$ 776
Fri 24/411:02 a.m.
BUF
-
YOW
1 stop12h 56m
Multiple Airlines
Fri 1/52:20 p.m.
YOW
-
BUF
2 stops21h 53m
Multiple Airlines
Deal found 10/3C$ 850
Wed 1/41:02 p.m.
BUF
-
YOW
2 stops28h 23m
Multiple Airlines
Sun 5/49:30 a.m.
YOW
-
BUF
1 stop10h 44m
Multiple Airlines
Deal found 11/3C$ 894
Tue 28/49:48 a.m.
BUF
-
YOW
1 stop7h 11m
Multiple Airlines
Tue 5/56:25 a.m.
YOW
-
BUF
1 stop10h 29m
Multiple Airlines
Deal found 14/3C$ 913
Mon 27/49:48 a.m.
BUF
-
YOW
1 stop7h 11m
Multiple Airlines
Mon 4/52:30 p.m.
YOW
-
BUF
1 stop8h 27m
Multiple Airlines
Deal found 13/3C$ 932
Tue 28/47:00 a.m.
BUF
-
YOW
2 stops11h 26m
American Airlines
Tue 5/58:40 a.m.
YOW
-
BUF
2 stops26h 34m
American Airlines
Deal found 14/3C$ 943
Mon 27/45:12 p.m.
BUF
-
YOW
2 stops25h 14m
American Airlines
Mon 4/58:40 a.m.
YOW
-
BUF
2 stops32h 02m
American Airlines
Deal found 13/3C$ 984
Mon 3/86:00 a.m.
BUF
-
YOW
1 stop4h 03m
United Airlines
Mon 3/83:10 p.m.
YOW
-
BUF
1 stop7h 21m
United Airlines
Deal found 10/3C$ 1,033

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 14 March 2026.

Round-trip from

C$ 776

One-way from

C$ 331
26/3-29/3
  • 26/3-29/3
  • 3 total stops
  • 42h 14m total
  • Buffalo to Ottawa
Search Deals
26/4
  • 26/4
  • 3 total stops
  • 45h 07m 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 14 March 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

Tue 28/4

9:48 a.m.-4:59 p.m.

1 stop7h 11m

Ottawa

Tue 5/5

11:00 a.m.-10:57 p.m.

2 stops11h 57m

C$ 921

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 27/4

9:48 a.m.-4:59 p.m.

1 stop7h 11m

Ottawa

Mon 4/5

2:30 p.m.-10:57 p.m.

1 stop8h 27m

C$ 932

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Tue 28/4

7:00 a.m.-6:26 p.m.

2 stops11h 26m

Ottawa

Tue 5/5

8:40 a.m.-11:14 a.m.

2 stops26h 34m

C$ 943

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 3/8

6:00 a.m.-10:03 a.m.

1 stop4h 03m

Ottawa

Mon 3/8

3:10 p.m.-10:31 p.m.

1 stop7h 21m

C$ 1,033

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 3/8

6:00 a.m.-10:03 a.m.

1 stop4h 03m

Ottawa

Tue 4/8

10:44 a.m.-9:03 p.m.

1 stop10h 19m

C$ 1,033
Quickest round-trip

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 27/4

10:30 a.m.-4:38 p.m.

1 stop6h 08m

Ottawa

Thu 30/4

6:00 a.m.-9:53 a.m.

1 stop3h 53m

C$ 1,033

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 27/4

5:12 p.m.-4:51 p.m.

2 stops23h 39m

Ottawa

Mon 4/5

8:40 a.m.-11:58 a.m.

3 stops27h 18m

C$ 1,044

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 26/3

11:44 a.m.-12:02 a.m.

1 stop12h 18m

Ottawa

Sun 29/3

9:30 a.m.-10:49 a.m.

1 stop25h 19m

C$ 1,050
Cheapest one-way

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Fri 24/4

12:18 p.m.-11:58 p.m.

2 stops35h 40m

C$ 334

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sun 26/4

3:58 p.m.-11:58 p.m.

1 stop8h 00m

C$ 353

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

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 4h 03m. The distance from Buffalo to Ottawa is about 360 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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
Perth
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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Rochester to Pearson Intl flights
Newark to London flights
Buffalo to Pearson Intl flights
Syracuse to Pearson Intl flights
Stewart to Pearson Intl flights
Elmira to Pierre Elliott Trudeau Intl flights
Ithaca to Pierre Elliott Trudeau Intl flights
Buffalo to Toronto Island flights
Islip to Pearson Intl flights
Islip to Pierre Elliott Trudeau Intl flights
White Plains to Ottawa flights
Binghamton to Pierre Elliott Trudeau Intl flights
Plattsburgh to Pierre Elliott Trudeau Intl flights
Rutland to Pierre Elliott Trudeau Intl flights
Saranac Lake to Pierre Elliott Trudeau Intl flights
Stewart to Ottawa flights
Binghamton to Pearson Intl flights
Buffalo to Thunder Bay flights

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Buffalo to Ottawa flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Buffalo to Ottawa become cheaper?

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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