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$241+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YOW
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
1 adult, Economy
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Find cheap flights from Buffalo to Ottawa with Cheapflights

1. Tell us where you want to go

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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 June 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sat 7/1112:28 pm
BUF
-
YOW
2 stops23h 57m
Multiple Airlines
Sat 7/187:00 am
YOW
-
BUF
1 stop14h 07m
Multiple Airlines
Deal found 6/11$582
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/239:29 pm
BUF
-
YOW
1 stop17h 06m
Multiple Airlines
Thu 7/302:10 pm
YOW
-
BUF
2 stops23h 43m
Multiple Airlines
Deal found 6/9$630
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/296:00 am
BUF
-
YOW
1 stop16h 35m
United Airlines
Tue 9/16:05 am
YOW
-
BUF
1 stop17h 07m
United Airlines
Deal found 6/11$676
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/2410:34 am
BUF
-
YOW
1 stop22h 37m
United Airlines
Tue 6/303:10 pm
YOW
-
BUF
1 stop7h 30m
United Airlines
Deal found 6/10$681
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:05 am
BUF
-
YOW
2 stops18h 15m
Delta
Wed 7/156:55 am
YOW
-
BUF
2 stops16h 43m
Delta
Deal found 6/10$682
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Sat 7/412:29 pm
BUF
-
YOW
2 stops23h 56m
Multiple Airlines
Fri 7/107:00 am
YOW
-
BUF
1 stop12h 06m
Multiple Airlines
Deal found 6/7$688
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/106:00 am
BUF
-
YOW
1 stop16h 05m
United Airlines
Thu 7/166:05 am
YOW
-
BUF
1 stop16h 26m
United Airlines
Deal found 6/11$701
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
BUF
-
YOW
1 stop10h 38m
Multiple Airlines
Wed 7/155:50 pm
YOW
-
BUF
1 stop4h 41m
Multiple Airlines
Deal found 6/10$712

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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$582
(Kiwi.com)

One-way from

$241
(Air Canada)
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
Search Deals
One-way flight from 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 2,558,603 searches. Data last updated June 12, 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

Sat 8/29

6:00 am-10:35 pm

1 stop16h 35m

Ottawa

Tue 9/1

6:05 am-11:12 pm

1 stop17h 07m

$676

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 6/24

10:34 am-9:11 am

1 stop22h 37m

Ottawa

Tue 6/30

3:10 pm-10:40 pm

1 stop7h 30m

$681

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 7/8

6:05 am-12:20 am

2 stops18h 15m

Ottawa

Wed 7/15

6:55 am-11:38 pm

2 stops16h 43m

$682

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Fri 7/10

6:00 am-10:05 pm

1 stop16h 05m

Ottawa

Thu 7/16

6:05 am-10:31 pm

1 stop16h 26m

$701

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 7/23

6:00 am-5:54 pm

2 stops11h 54m

Ottawa

Thu 7/30

10:40 am-7:19 pm

2 stops8h 39m

$771
Quickest round-trip

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Thu 7/23

6:00 am-4:38 pm

1 stop10h 38m

Ottawa

Thu 7/30

2:52 pm-11:59 pm

1 stop9h 07m

$775

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 7/8

6:00 am-4:38 pm

1 stop10h 38m

Ottawa

Wed 7/15

6:05 am-10:31 pm

1 stop16h 26m

$781

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 7/4

6:00 am-1:10 pm

2 stops31h 10m

Ottawa

Fri 7/10

5:10 am-10:30 pm

2 stops17h 20m

$833
Cheapest one-way

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 7/22

7:57 pm-9:20 pm

2 stops25h 23m

$241
Quickest one-way

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 7/8

6:00 am-4:38 pm

1 stop10h 38m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Buffalo to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Ottawa in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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?

    United Airlines and Delta can get you from Buffalo to Ottawa in just under 16h 35m. Your travel time can differ by up to 1h 40m. 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

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