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$176+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YOW
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. 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 3/2612:50 pm
BUF
-
YOW
2 stops23h 45m
Multiple Airlines
Sun 3/294:20 pm
YOW
-
BUF
1 stop18h 29m
Multiple Airlines
Deal found 3/9$567
This FlightHub deal was found by Cheapflights users on 3/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:48 am
BUF
-
YOW
1 stop7h 11m
Multiple Airlines
Thu 4/304:45 pm
YOW
-
BUF
1 stop6h 17m
Multiple Airlines
Deal found 3/7$632
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/136:26 pm
BUF
-
YOW
1 stop22h 51m
Multiple Airlines
Tue 3/314:15 pm
YOW
-
BUF
2 stops20h 02m
Multiple Airlines
Deal found 3/7$653
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 4/277:00 am
BUF
-
YOW
2 stops35h 26m
American Airlines
Thu 4/306:45 am
YOW
-
BUF
2 stops28h 29m
American Airlines
Deal found 3/7$708
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 4/2710:30 am
BUF
-
YOW
1 stop6h 08m
United Airlines
Thu 4/306:25 am
YOW
-
BUF
1 stop14h 36m
United Airlines
Deal found 3/8$744
This Orbitz deal was found by Cheapflights users on 3/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:54 am
BUF
-
YOW
1 stop7h 05m
Multiple Airlines
Wed 4/111:00 am
YOW
-
BUF
2 stops9h 00m
Multiple Airlines
Deal found 3/7$759
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 3/235:29 am
BUF
-
YOW
2 stops35h 19m
American Airlines
Wed 4/110:00 am
YOW
-
BUF
2 stops12h 50m
American Airlines
Deal found 3/7$788
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/232:54 pm
BUF
-
YOW
1 stop9h 00m
United Airlines
Thu 4/306:00 am
YOW
-
BUF
2 stops8h 10m
United Airlines
Deal found 3/9$807

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$567
(Kiwi.com)

One-way from

$176
(Kiwi.com)
Provider with most accurate pricing for Buffalo-Ottawa flight deals.
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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 March 10, 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

Mon 4/27

7:00 am-6:26 pm

2 stops35h 26m

Ottawa

Thu 4/30

6:45 am-11:14 am

2 stops28h 29m

$708
Quickest round-trip

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 4/20

6:09 am-10:03 am

1 stop3h 54m

Ottawa

Mon 4/27

2:40 pm-6:49 pm

1 stop4h 09m

$744

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 4/23

7:00 am-9:35 pm

1 stop14h 35m

Ottawa

Thu 4/30

10:44 am-9:01 pm

1 stop10h 17m

$744

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 4/27

7:45 pm-11:54 pm

1 stop4h 09m

Ottawa

Thu 4/30

5:50 pm-11:33 pm

1 stop5h 43m

$744

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 3/26

11:44 am-12:02 am

1 stop12h 18m

Ottawa

Sun 3/29

9:30 am-10:49 am

1 stop25h 19m

$767

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 3/23

5:29 am-4:48 pm

2 stops35h 19m

Ottawa

Wed 4/1

10:00 am-10:50 pm

2 stops12h 50m

$788

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 4/27

1:52 pm-1:36 am

2 stops11h 44m

Ottawa

Thu 4/30

5:45 am-4:54 pm

2 stops11h 09m

$826
Cheapest one-way

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 5/13

1:08 pm-12:25 pm

2 stops23h 17m

$200

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Tue 4/7

1:02 pm-3:04 pm

3 stops26h 02m

$200

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 4/1

1:02 pm-12:25 am

2 stops35h 23m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 12 resultsSorted by cheapest first
1
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  • 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.

  • How long is the flight from Buffalo to Ottawa?

    American Airlines and United Airlines can get you from Buffalo to Ottawa in just under 3h 54m. Your travel time can differ by up to 31h 32m. The distance from Buffalo to Ottawa is about 224 mi. This flight may include one or multiple 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

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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