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$337+ Cheap flights from Buffalo (BUF) to Ottawa (YOW)

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YOW
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Buffalo to Ottawa

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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:50 pm
BUF
-
YOW
2 stops35h 35m
Multiple Airlines
Thu 3/199:35 am
YOW
-
BUF
1 stop10h 22m
Multiple Airlines
Deal found 1/26$550
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1312:50 pm
BUF
-
YOW
2 stops26h 08m
Multiple Airlines
Fri 3/209:30 am
YOW
-
BUF
1 stop24h 27m
Multiple Airlines
Deal found 1/27$586
This Travelocity deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:00 am
BUF
-
YOW
1 stop9h 03m
Multiple Airlines
Mon 3/211:00 am
YOW
-
BUF
2 stops10h 25m
Multiple Airlines
Deal found 1/27$618
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/307:31 pm
BUF
-
YOW
1 stop28h 27m
Multiple Airlines
Sun 2/14:15 pm
YOW
-
BUF
2 stops20h 29m
Multiple Airlines
Deal found 1/26$630
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:00 am
BUF
-
YOW
1 stop13h 54m
United Airlines
Mon 3/29:45 am
YOW
-
BUF
1 stop13h 59m
United Airlines
Deal found 1/27$652
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:55 pm
BUF
-
YOW
1 stop3h 50m
United Airlines
Sun 7/126:00 pm
YOW
-
BUF
1 stop4h 37m
United Airlines
Deal found 1/26$740
This Booking.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/131:52 pm
BUF
-
YOW
2 stops18h 26m
Air Canada
Fri 3/207:15 am
YOW
-
BUF
2 stops9h 27m
Air Canada
Deal found 1/27$750
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:17 pm
BUF
-
YOW
2 stops28h 31m
American Airlines
Mon 3/26:45 am
YOW
-
BUF
2 stops16h 46m
American Airlines
Deal found 1/27$760

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$550
(Kiwi.com)

One-way from

$337
(United Airlines)
Provider with most accurate pricing for Buffalo-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Ottawa flights.
Search Deals
From Buffalo to Ottawa
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One-way flight from Buffalo to Ottawa
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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 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Buffalo to Ottawa that are best for you.

Fly from

Buffalo

Fly to

Ottawa

Route

Depart

Return

Price

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 3/12

12:50 pm-12:25 am

2 stops35h 35m

Ottawa

Thu 3/19

9:35 am-7:57 pm

1 stop10h 22m

$550

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Fri 3/13

12:50 pm-2:58 pm

2 stops26h 08m

Ottawa

Fri 3/20

9:30 am-9:57 am

1 stop24h 27m

$586

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 2/28

8:00 am-5:03 pm

1 stop9h 03m

Ottawa

Mon 3/2

11:00 am-9:25 pm

2 stops10h 25m

$618

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 2/28

10:00 am-11:54 pm

1 stop13h 54m

Ottawa

Mon 3/2

9:45 am-11:44 pm

1 stop13h 59m

$652

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 7/8

7:55 pm-11:45 pm

1 stop3h 50m

Ottawa

Sun 7/12

6:00 pm-10:37 pm

1 stop4h 37m

$740

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 2/28

12:17 pm-4:48 pm

2 stops28h 31m

Ottawa

Mon 3/2

6:45 am-11:31 pm

2 stops16h 46m

$760

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 3/12

5:29 am-4:48 pm

2 stops35h 19m

Ottawa

Thu 3/19

6:45 am-11:31 pm

2 stops16h 46m

$760

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Fri 3/13

12:44 pm-7:28 pm

3 stops30h 44m

Ottawa

Fri 3/20

6:45 am-11:31 pm

2 stops16h 46m

$797

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 3/11

2:49 pm-6:55 pm

1 stop4h 06m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on Buffalo-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

  • 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.

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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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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