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Cheap flights from Buffalo to Ottawa from $226

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Ottawa departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Buffalo to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 10:35 pm
BUF
-
YOW
16h 35m
1 stop
United Airlines Logo
6:05 am - 11:12 pm
YOW
-
BUF
17h 07m
1 stop
$668United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
6:00 am - 10:35 pm
BUF
-
YOW
16h 35m
1 stop
United Airlines Logo
6:05 am - 11:12 pm
YOW
-
BUF
17h 07m
1 stop
$678United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
6:00 am - 9:15 pm
BUF
-
YOW
15h 15m
2 stops
United Airlines Logo
3:10 pm - 11:12 pm
YOW
-
BUF
8h 02m
1 stop
$706United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
6:00 am - 9:15 pm
BUF
-
YOW
15h 15m
2 stops
United Airlines Logo
6:05 am - 11:12 pm
YOW
-
BUF
17h 07m
1 stop
$715United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
6:00 am - 4:38 pm
BUF
-
YOW
10h 38m
1 stop
United Airlines Logo
6:00 am - 11:44 pm
YOW
-
BUF
17h 44m
1 stop
$779United Airlines
Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
6:00 am - 4:38 pm
BUF
-
YOW
10h 38m
1 stop
United Airlines Logo
6:00 am - 11:44 pm
YOW
-
BUF
17h 44m
1 stop
$780United Airlines
Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
6:00 am - 4:38 pm
BUF
-
YOW
10h 38m
1 stop
United Airlines Logo
6:00 am - 11:44 pm
YOW
-
BUF
17h 44m
1 stop
$785United Airlines
Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
6:00 am - 10:05 pm
BUF
-
YOW
16h 05m
1 stop
United Airlines Logo
6:00 am - 11:59 pm
YOW
-
BUF
17h 59m
1 stop
$798United Airlines
Mon, Jul 13 - Sun, Jul 19
United Airlines Logo
6:00 am - 9:15 pm
BUF
-
YOW
15h 15m
2 stops
United Airlines Logo
6:00 am - 11:44 pm
YOW
-
BUF
17h 44m
1 stop
$799United Airlines
Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
6:00 am - 11:54 pm
BUF
-
YOW
17h 54m
2 stops
United Airlines Logo
6:00 am - 11:59 pm
YOW
-
BUF
17h 59m
1 stop
$808United Airlines
Mon, Jul 13 - Sun, Jul 19

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American Airlines flights from Buffalo to Ottawa

Our best American Airlines deals on Buffalo to Ottawa flight tickets
American Airlines
Jul 13
BUF5:25 pmBuffalo
21h 30m
3 stops
YOW2:55 pmOttawa
Jul 19
YOW7:00 amOttawa
34h 28m
2 stops
BUF5:28 pmBuffalo
$1,349
American Airlines
Jul 13
BUF5:25 pmBuffalo
21h 30m
3 stops
YOW2:55 pmOttawa
Jul 19
YOW7:00 amOttawa
34h 28m
2 stops
BUF5:28 pmBuffalo
$1,350
American Airlines
Jun 26
BUF6:02 amBuffalo
8h 53m
2 stops
YOW2:55 pmOttawa
Jun 27
YOW7:00 amOttawa
11h 47m
3 stops
BUF6:47 pmBuffalo
$2,001

United Airlines flights from Buffalo to Ottawa

Our best United Airlines deals on Buffalo to Ottawa flight tickets
United Airlines
Aug 29
BUF6:00 amBuffalo
16h 35m
1 stop
YOW10:35 pmOttawa
Sep 1
YOW6:05 amOttawa
17h 07m
1 stop
BUF11:12 pmBuffalo
$668
United Airlines
Aug 29
BUF6:00 amBuffalo
16h 35m
1 stop
YOW10:35 pmOttawa
Sep 1
YOW6:05 amOttawa
17h 07m
1 stop
BUF11:12 pmBuffalo
$678
United Airlines
Aug 29
BUF6:00 amBuffalo
15h 15m
2 stops
YOW9:15 pmOttawa
Sep 1
YOW3:10 pmOttawa
8h 02m
1 stop
BUF11:12 pmBuffalo
$706

momondo 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, momondo users made 832,500 searches. Data last updated June 21, 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

$668

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

$678
Quickest round-trip

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 8/29

6:00 am-9:15 pm

2 stops15h 15m

Ottawa

Tue 9/1

3:10 pm-11:12 pm

1 stop8h 02m

$706

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 8/29

6:00 am-9:15 pm

2 stops15h 15m

Ottawa

Tue 9/1

6:05 am-11:12 pm

1 stop17h 07m

$715

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 9/19

6:00 am-4:38 pm

1 stop10h 38m

Ottawa

Wed 9/23

6:00 am-11:44 pm

1 stop17h 44m

$779

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 9/19

6:00 am-4:38 pm

1 stop10h 38m

Ottawa

Wed 9/23

6:00 am-11:44 pm

1 stop17h 44m

$780

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 9/19

6:00 am-4:38 pm

1 stop10h 38m

Ottawa

Wed 9/23

6:00 am-11:44 pm

1 stop17h 44m

$785

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 7/13

6:00 am-10:05 pm

1 stop16h 05m

Ottawa

Sun 7/19

6:00 am-11:59 pm

1 stop17h 59m

$798

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 9/19

6:00 am-9:15 pm

2 stops15h 15m

Ottawa

Wed 9/23

6:00 am-11:44 pm

1 stop17h 44m

$799

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Mon 7/13

6:00 am-11:54 pm

2 stops17h 54m

Ottawa

Sun 7/19

6:00 am-11:59 pm

1 stop17h 59m

$808

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Buffalo to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Buffalo to Ottawa?

United Airlines is the most popular carrier operating from Buffalo to Ottawa

When to book flights from Buffalo to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Ottawa (BUF to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Ottawa

Fastest flight time

10h 38m

Direct flights

None
The fastest flight from Buffalo to Ottawa takes 10h 38m
There are no direct flights from Buffalo to Ottawa. There are no popular flight routes from Buffalo to Ottawa.
Search flight deals

Frequently asked questions about flying from Buffalo to Ottawa

  • How far is Buffalo to Ottawa by plane?

    The straight-line distance from Buffalo to Ottawa is 235.2 mi. 10h 38m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Buffalo Airport to Ottawa Airport?

    Prices for flights from Buffalo Airport to Ottawa Airport are updated daily.

  • How old do you have to be to fly from Buffalo Airport to Ottawa Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The travel and health documents you'll need for your trip to Ottawa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Ottawa?

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

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Ottawa?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ottawa from Buffalo.

Can I find flights from Buffalo to Ottawa with flexible booking policies on momondo?

All flight searches from Buffalo to Ottawa on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Buffalo to Ottawa?

momondo helps you find the best flight between Buffalo and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Buffalo to Ottawa right now. Can momondo alert me if prices change?

Price alerts on flights to Ottawa from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ottawa trip

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