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Cheap flights from Buffalo to Ottawa from C$ 572

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YOW
3 Aug — 10 Aug1
1 adult

Cheap 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 29 July 2025.

Round-trip from

C$ 572
12/9-19/9
  • 12/9-19/9
  • 3 total stops
  • 33h 12m total
  • Buffalo to Ottawa
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Find 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 29 July 2025.

Fri 12/96:59 p.m.BUF - YOW
1 stop21h 58mMultiple Airlines
Fri 19/97:00 a.m.YOW - BUF
2 stops11h 14mMultiple Airlines
Deal found 29/7C$ 572
Tue 26/88:00 p.m.BUF - YOW
1 stop18h 27mUnited Airlines
Tue 2/97:29 p.m.YOW - BUF
1 stop18h 37mUnited Airlines
Deal found 29/7C$ 908
Wed 10/97:05 a.m.BUF - YOW
2 stops7h 59mAir Canada
Wed 17/98:35 a.m.YOW - BUF
2 stops8h 17mAir Canada
Deal found 27/7C$ 1,195
Tue 19/87:41 p.m.BUF - YOW
2 stops15h 50mWestJet
Tue 26/812:20 p.m.YOW - BUF
2 stops30h 16mWestJet
Deal found 27/7C$ 3,834

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 29 July 2025.
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

Fri 12/9

6:59 p.m.-4:57 p.m.

1 stop21h 58m

Ottawa

Fri 19/9

7:00 a.m.-6:14 p.m.

2 stops11h 14m

C$ 572

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Tue 26/8

8:00 p.m.-2:27 p.m.

1 stop18h 27m

Ottawa

Tue 2/9

7:29 p.m.-2:06 p.m.

1 stop18h 37m

C$ 908

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 10/9

7:05 a.m.-3:04 p.m.

2 stops7h 59m

Ottawa

Wed 17/9

8:35 a.m.-4:52 p.m.

2 stops8h 17m

C$ 1,195

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Tue 19/8

7:41 p.m.-11:31 a.m.

2 stops15h 50m

Ottawa

Tue 26/8

12:20 p.m.-6:36 p.m.

2 stops30h 16m

C$ 3,834

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 29 July 2025.
Read reviews from past customers who have flown United Airlines,WestJet, andAir Canada from Buffalo to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
2,972 reviews
United Airlines
7.4
Good
8,896 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,826 reviews
United Airlines
7.4
Good
8,896 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What is the cheapest month to book a flight from Buffalo to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from Buffalo to Ottawa (average of C$ 224). Flying from Buffalo to Ottawa in December is currently the most expensive (average of C$ 326). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ottawa?

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

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