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Cheap flights from San Francisco to Ottawa from $141

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:00 am - 5:15 pmSFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
6:55 am - 4:40 pmYOW  Ottawa-SFO San Francisco
12h 45m2 stops Toronto Pearson Intl Calgary
$276WestJet
Sat, Sep 19 - Wed, Sep 23
WestJet Logo
6:00 am - 5:15 pmSFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
7:20 am - 4:40 pmYOW  Ottawa-SFO San Francisco
12h 20m1 stop Calgary
$294WestJet
Sat, Sep 19 - Wed, Sep 23
Multiple Airlines Logo
6:05 pm - 5:35 amSFO  San Francisco-YOW Ottawa
8h 30m1 stop Calgary
Multiple Airlines Logo
7:00 am - 12:20 pmYOW  Ottawa-SFO San Francisco
8h 20m1 stop Toronto Pearson Intl
$351Multiple Airlines
Wed, Sep 23 - Thu, Oct 1
Multiple Airlines Logo
6:00 am - 7:20 pmSFO  San Francisco-YOW Ottawa
10h 20m1 stop Calgary
Multiple Airlines Logo
7:00 am - 12:20 pmYOW  Ottawa-SFO San Francisco
8h 20m1 stop Toronto Pearson Intl
$351Multiple Airlines
Tue, Sep 22 - Thu, Oct 1
Porter Airlines Logo
1:45 pm - 12:50 amSFO  San Francisco-YOW Ottawa
8h 05m1 stop Toronto Pearson Intl
Porter Airlines Logo
7:00 am - 12:45 pmYOW  Ottawa-SFO San Francisco
8h 45m1 stop Toronto Pearson Intl
$511Porter Airlines
Sun, Oct 25 - Fri, Oct 30
Porter Airlines Logo
1:20 pm - 12:25 amSFO  San Francisco-YOW Ottawa
8h 05m1 stop Toronto Pearson Intl
Porter Airlines Logo
7:00 am - 12:45 pmYOW  Ottawa-SFO San Francisco
8h 45m1 stop Toronto Pearson Intl
$589Porter Airlines
Fri, Oct 23 - Tue, Oct 27
United Airlines Logo
11:20 pm - 3:07 pmSFO  San Francisco-YOW Ottawa
12h 47m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
3:10 pm - 11:57 pmYOW  Ottawa-SFO San Francisco
11h 47m1 stop Newark
$894United Airlines
Sun, Oct 25 - Fri, Oct 30
United Airlines Logo
8:55 pm - 3:07 pmSFO  San Francisco-YOW Ottawa
15h 12m2 stops Denver Intl Washington, D.C. Dulles Intl
United Airlines Logo
9:45 am - 7:38 pmYOW  Ottawa-SFO San Francisco
12h 53m1 stop Washington, D.C. Dulles Intl
$904United Airlines
Sat, Dec 19 - Thu, Dec 24
Air Canada Logo
9:00 am - 10:55 pmSFO  San Francisco-YOW Ottawa
10h 55m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
2:00 pm - 10:57 pmYOW  Ottawa-SFO San Francisco
11h 57m2 stops Toronto Pearson Intl Vancouver Intl
$906Air Canada
Thu, Dec 17 - Thu, Dec 24
Air Canada Logo
9:00 am - 10:55 pmSFO  San Francisco-YOW Ottawa
10h 55m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
12:10 pm - 10:57 pmYOW  Ottawa-SFO San Francisco
13h 47m2 stops Toronto Pearson Intl Vancouver Intl
$906Air Canada
Thu, Dec 17 - Tue, Dec 29

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WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets
WestJet
Sep 19
SFO6:00 amSan Francisco
8h 15m
1 stop
YOW5:15 pmOttawa
Sep 23
YOW6:55 amOttawa
12h 45m
2 stops
SFO4:40 pmSan Francisco
$276
WestJet
Sep 19
SFO6:00 amSan Francisco
8h 15m
1 stop
YOW5:15 pmOttawa
Sep 23
YOW7:20 amOttawa
12h 20m
1 stop
SFO4:40 pmSan Francisco
$294
WestJet
Sep 23
SFO6:05 pmSan Francisco
8h 30m
1 stop
YOW5:35 amOttawa
Sep 28
YOW12:25 pmOttawa
12h 30m
2 stops
SFO9:55 pmSan Francisco
$312

momondo Fare Finder

 
Use the filters below to find and compare flights from San Francisco to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sat 9/19

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Wed 9/23

6:55 am-4:40 pm

2 stops12h 45m

$276

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sat 9/19

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Wed 9/23

7:20 am-4:40 pm

1 stop12h 20m

$294
Quickest round-trip

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Wed 9/23

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Thu 10/1

7:00 am-12:20 pm

1 stop8h 20m

$351

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Tue 9/22

6:00 am-7:20 pm

1 stop10h 20m

Ottawa

Thu 10/1

7:00 am-12:20 pm

1 stop8h 20m

$351

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sun 10/25

1:45 pm-12:50 am

1 stop8h 05m

Ottawa

Fri 10/30

7:00 am-12:45 pm

1 stop8h 45m

$511

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Fri 10/23

1:20 pm-12:25 am

1 stop8h 05m

Ottawa

Tue 10/27

7:00 am-12:45 pm

1 stop8h 45m

$589

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sun 10/25

11:20 pm-3:07 pm

1 stop12h 47m

Ottawa

Fri 10/30

3:10 pm-11:57 pm

1 stop11h 47m

$894

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sat 12/19

8:55 pm-3:07 pm

2 stops15h 12m

Ottawa

Thu 12/24

9:45 am-7:38 pm

1 stop12h 53m

$904

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Thu 12/17

9:00 am-10:55 pm

2 stops10h 55m

Ottawa

Thu 12/24

2:00 pm-10:57 pm

2 stops11h 57m

$906

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Thu 12/17

9:00 am-10:55 pm

2 stops10h 55m

Ottawa

Tue 12/29

12:10 pm-10:57 pm

2 stops13h 47m

$906

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from San Francisco 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 typical price of a round-trip flight between San Francisco and Ottawa?

Prices are currently low for flights on this route.

Typical prices usually range from $418 to $716.
The lowest price recently found on this route was $276.

What is the cheapest month to fly to Ottawa?

In general, February is the cheapest month to fly from San Francisco to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $422. The month of September is another great option to travel to Ottawa, with average flight prices from San Francisco averaging around $444.

How far in advance should I book a flight from San Francisco to Ottawa?

You are more likely to see cheaper flights to Ottawa from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around $574 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from San Francisco for as low as $353 on momondo.

How have San Francisco to Ottawa flight prices changed over time?

As of August 2026, prices for San Francisco to Ottawa flights are approximately 43% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Ottawa

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

Cheap San Francisco to Ottawa (SFO to YOW) flight deals and tips

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

Best Price Found

$141

Fastest flight time

8h 05m

Direct flights

None
The best one-way flight to Ottawa from San Francisco in the past 72 hours is $141. The best round-trip flight deal from San Francisco to Ottawa found on momondo in the last 72 hours is $276.
The fastest flight from San Francisco to Ottawa takes 8h 05m
There are no direct flights from San Francisco to Ottawa. There are no popular flight routes from San Francisco to Ottawa.
Search flight deals

Frequently asked questions about flying from San Francisco to Ottawa

  • How far is San Francisco to Ottawa by plane?

    There are 2432.8 mi between San Francisco and Ottawa. Typically, this will take 8h 05m by plane in normal conditions.

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

    Prices for flights from San Francisco Airport to Ottawa Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to Ottawa Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Ottawa Airport.

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

    The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Francisco to Ottawa?

Best airlines flying from San Francisco to Ottawa

Compare and see reviews for airlines that fly from San Francisco to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $314Free CancellationRating
7.1
11,508 reviews
Search Air Canada flights
WestJetPriceFrom $318Free CancellationRating
7.2
3,434 reviews
Search WestJet flights
Porter AirlinesPriceFrom $361Free CancellationRating
8.0
457 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $487Free CancellationRating
7.4
10,102 reviews
Search United Airlines flights

Traveling to a place near Ottawa?

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

Why use momondo?

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

It is quick and easy to find San Francisco to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

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

Yes. All flights to Ottawa from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Ottawa?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from San Francisco.

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

If you are not ready to book a flight from San Francisco to Ottawa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ottawa and let you know when they change.

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