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Cheap flights from Buffalo to Ottawa from $223

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 9/28. 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.
Multiple Airlines Logo
6:00 am - 5:54 pmBUF  Buffalo-YOW Ottawa
11h 54m2 stops Boston Logan Intl Toronto Island
Multiple Airlines Logo
3:10 pm - 11:12 pmYOW  Ottawa-BUF Buffalo
8h 02m1 stop Newark
$629Multiple Airlines
Thu, Aug 27 - Wed, Sep 2
Multiple Airlines Logo
6:00 am - 5:54 pmBUF  Buffalo-YOW Ottawa
11h 54m2 stops Boston Logan Intl Toronto Island
Multiple Airlines Logo
3:30 pm - 12:08 amYOW  Ottawa-BUF Buffalo
8h 38m2 stops Toronto Island Boston Logan Intl
$634Multiple Airlines
Thu, Aug 27 - Wed, Sep 2
Multiple Airlines Logo
6:00 am - 5:23 pmBUF  Buffalo-YOW Ottawa
11h 23m1 stop Boston Logan Intl
Multiple Airlines Logo
2:30 pm - 12:08 amYOW  Ottawa-BUF Buffalo
9h 38m1 stop Boston Logan Intl
$659Multiple Airlines
Thu, Aug 27 - Wed, Sep 2
Multiple Airlines Logo
10:25 am - 5:19 pmBUF  Buffalo-YOW Ottawa
6h 54m1 stop Boston Logan Intl
Multiple Airlines Logo
10:40 am - 12:08 amYOW  Ottawa-BUF Buffalo
13h 28m2 stops Toronto Island Boston Logan Intl
$688Multiple Airlines
Wed, Sep 2 - Tue, Sep 8
Multiple Airlines Logo
7:00 am - 5:23 pmBUF  Buffalo-YOW Ottawa
10h 23m1 stop Boston Logan Intl
Multiple Airlines Logo
10:40 am - 8:24 pmYOW  Ottawa-BUF Buffalo
9h 44m2 stops Toronto Island Boston Logan Intl
$697Multiple Airlines
Fri, Oct 16 - Mon, Oct 19
Multiple Airlines Logo
7:00 am - 2:55 pmBUF  Buffalo-YOW Ottawa
7h 55m2 stops Boston Logan Intl Toronto Pearson Intl
Multiple Airlines Logo
10:40 am - 8:24 pmYOW  Ottawa-BUF Buffalo
9h 44m2 stops Toronto Island Boston Logan Intl
$700Multiple Airlines
Fri, Oct 16 - Mon, Oct 19
United Airlines Logo
6:00 am - 9:35 pmBUF  Buffalo-YOW Ottawa
15h 35m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
4:00 pm - 6:58 pmYOW  Ottawa-BUF Buffalo
26h 58m2 stops Toronto Pearson Intl Newark
$716United Airlines
Wed, Sep 2 - Tue, Sep 8
United Airlines Logo
6:00 am - 10:35 pmBUF  Buffalo-YOW Ottawa
16h 35m1 stop Newark
United Airlines Logo
6:05 am - 6:58 pmYOW  Ottawa-BUF Buffalo
12h 53m1 stop Newark
$738United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
6:00 am - 10:35 pmBUF  Buffalo-YOW Ottawa
16h 35m1 stop Newark
United Airlines Logo
6:05 am - 6:58 pmYOW  Ottawa-BUF Buffalo
12h 53m1 stop Newark
$742United Airlines
Sat, Aug 29 - Wed, Sep 2
Multiple Airlines Logo
9:10 pm - 2:45 pmBUF  Buffalo-YOW Ottawa
17h 35m1 stop Boston Logan Intl
Multiple Airlines Logo
3:15 pm - 11:10 amYOW  Ottawa-BUF Buffalo
19h 55m1 stop Boston Logan Intl
$747Multiple Airlines
Sun, Nov 1 - Wed, Nov 4

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American Airlines flights from Buffalo to Ottawa

Our best American Airlines deals on Buffalo to Ottawa flight tickets
American Airlines
Aug 27
BUF11:59 amBuffalo
33h 51m
2 stops
YOW9:50 pmOttawa
Sep 2
YOW7:00 amOttawa
16h 56m
3 stops
BUF11:56 pmBuffalo
$779
American Airlines
Aug 27
BUF11:59 amBuffalo
26h 56m
3 stops
YOW2:55 pmOttawa
Sep 2
YOW7:00 amOttawa
16h 56m
3 stops
BUF11:56 pmBuffalo
$828
American Airlines
Sep 2
BUF6:00 amBuffalo
14h 40m
3 stops
YOW8:40 pmOttawa
Sep 8
YOW7:00 amOttawa
30h 53m
2 stops
BUF1:53 pmBuffalo
$900

United Airlines flights from Buffalo to Ottawa

Our best United Airlines deals on Buffalo to Ottawa flight tickets
United Airlines
Sep 2
BUF6:00 amBuffalo
15h 35m
2 stops
YOW9:35 pmOttawa
Sep 8
YOW4:00 pmOttawa
26h 58m
2 stops
BUF6:58 pmBuffalo
$716
United Airlines
Aug 29
BUF6:00 amBuffalo
16h 35m
1 stop
YOW10:35 pmOttawa
Sep 2
YOW6:05 amOttawa
12h 53m
1 stop
BUF6:58 pmBuffalo
$738
United Airlines
Aug 29
BUF6:00 amBuffalo
16h 35m
1 stop
YOW10:35 pmOttawa
Sep 2
YOW6:05 amOttawa
12h 53m
1 stop
BUF6:58 pmBuffalo
$742

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 August 7, 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 Buffalo - YOW Ottawa

BUFYOW

Buffalo

Thu 8/27

6:00 am-5:54 pm

2 stops11h 54m

Ottawa

Wed 9/2

3:10 pm-11:12 pm

1 stop8h 02m

$629

BuffaloOttawa

BUF Buffalo - YOW Ottawa

BUFYOW

Buffalo

Thu 8/27

6:00 am-5:54 pm

2 stops11h 54m

Ottawa

Wed 9/2

3:30 pm-12:08 am

2 stops8h 38m

$634

BuffaloOttawa

BUF Buffalo - YOW Ottawa

BUFYOW

Buffalo

Thu 8/27

6:00 am-5:23 pm

1 stop11h 23m

Ottawa

Wed 9/2

2:30 pm-12:08 am

1 stop9h 38m

$659

BuffaloOttawa

BUF Buffalo - YOW Ottawa

BUFYOW

Buffalo

Wed 9/2

10:25 am-5:19 pm

1 stop6h 54m

Ottawa

Tue 9/8

10:40 am-12:08 am

2 stops13h 28m

$688

BuffaloOttawa

BUF Buffalo - YOW Ottawa

BUFYOW

Buffalo

Fri 10/16

7:00 am-5:23 pm

1 stop10h 23m

Ottawa

Mon 10/19

10:40 am-8:24 pm

2 stops9h 44m

$697
Quickest round-trip

BuffaloOttawa

BUF Buffalo - YOW Ottawa

BUFYOW

Buffalo

Fri 10/16

7:00 am-2:55 pm

2 stops7h 55m

Ottawa

Mon 10/19

10:40 am-8:24 pm

2 stops9h 44m

$700

BuffaloOttawa

BUF Buffalo - YOW Ottawa

BUFYOW

Buffalo

Wed 9/2

6:00 am-9:35 pm

2 stops15h 35m

Ottawa

Tue 9/8

4:00 pm-6:58 pm

2 stops26h 58m

$716

BuffaloOttawa

BUF Buffalo - YOW Ottawa

BUFYOW

Buffalo

Sat 8/29

6:00 am-10:35 pm

1 stop16h 35m

Ottawa

Wed 9/2

6:05 am-6:58 pm

1 stop12h 53m

$738

BuffaloOttawa

BUF Buffalo - YOW Ottawa

BUFYOW

Buffalo

Sat 8/29

6:00 am-10:35 pm

1 stop16h 35m

Ottawa

Wed 9/2

6:05 am-6:58 pm

1 stop12h 53m

$742

BuffaloOttawa

BUF Buffalo - YOW Ottawa

BUFYOW

Buffalo

Sun 11/1

9:10 pm-2:45 pm

1 stop17h 35m

Ottawa

Wed 11/4

3:15 pm-11:10 am

1 stop19h 55m

$747

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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.
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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.

Frequently asked questions about flying from Buffalo to Ottawa

  • How do I get Price Alerts for flights from Buffalo to Ottawa?

    Confirm your travel details to search for the latest offers for flights from Buffalo to Ottawa. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Buffalo to Ottawa with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Ottawa?

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

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