Which airlines fly to Ottawa?

Air Canada, WestJet and Porter Airlines are the top three most popular airlines that fly to Ottawa from San Francisco according to our data. Air Canada is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 3 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Francisco to Ottawa?

WestJet is the most popular carrier operating from San Francisco to Ottawa

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 are updated daily.

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

As of September 2026, there is 1 operator available to choose from 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 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 San Francisco Airport to Ottawa Airport.

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

The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 173 Cheap Flights from San Francisco to Ottawa in 2026/27

Find the cheapest flights from San Francisco to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 a.m. - 3:20 p.m.SFO San Francisco-YOW Ottawa

30h 20m1 stop Calgary

7:20 a.m. - 9:55 p.m.YOW Ottawa-SFO San Francisco

17h 35m1 stop Calgary

C$ 457WestJet

Mon, 5 Oct - Wed, 7 Oct

4:40 p.m. - 12:01 a.m.SFO San Francisco-YOW Ottawa

28h 21m1 stop Calgary

6:10 a.m. - 3:50 p.m.YOW Ottawa-SFO San Francisco

12h 40m1 stop Calgary

C$ 462WestJet

Fri, 20 Nov - Sun, 22 Nov

4:40 p.m. - 12:01 a.m.SFO San Francisco-YOW Ottawa

28h 21m1 stop Calgary

6:10 a.m. - 3:50 p.m.YOW Ottawa-SFO San Francisco

12h 40m1 stop Calgary

C$ 462WestJet

Mon, 9 Nov - Mon, 30 Nov

6:00 a.m. - 12:55 p.m.SFO San Francisco-YOW Ottawa

27h 55m1 stop Calgary

12:25 p.m. - 9:55 p.m.YOW Ottawa-SFO San Francisco

12h 30m2 stops Winnipeg Calgary

C$ 463Multiple Airlines

Sun, 18 Oct - Thu, 22 Oct

4:40 p.m. - 12:01 a.m.SFO San Francisco-YOW Ottawa

28h 21m1 stop Calgary

6:10 a.m. - 12:51 p.m.YOW Ottawa-SFO San Francisco

33h 41m2 stops Calgary San Diego

C$ 469Multiple Airlines

Sun, 8 Nov - Mon, 16 Nov

6:00 a.m. - 5:15 p.m.SFO San Francisco-YOW Ottawa

8h 15m1 stop Calgary

12:25 p.m. - 9:55 p.m.YOW Ottawa-SFO San Francisco

12h 30m2 stops Winnipeg Calgary

C$ 470WestJet

Tue, 29 Sep - Thu, 1 Oct

4:40 p.m. - 12:01 a.m.SFO San Francisco-YOW Ottawa

28h 21m1 stop Calgary

5:30 a.m. - 3:50 p.m.YOW Ottawa-SFO San Francisco

13h 20m2 stops Toronto Pearson Intl Calgary

C$ 473WestJet

Sun, 8 Nov - Thu, 26 Nov

6:00 a.m. - 5:15 p.m.SFO San Francisco-YOW Ottawa

8h 15m1 stop Calgary

6:55 p.m. - 4:50 p.m.YOW Ottawa-SFO San Francisco

24h 55m1 stop Calgary

C$ 474Multiple Airlines

Tue, 13 Oct - Sat, 31 Oct

1:00 p.m. - 5:35 a.m.SFO San Francisco-YOW Ottawa

13h 35m1 stop Calgary

6:10 a.m. - 12:51 p.m.YOW Ottawa-SFO San Francisco

33h 41m2 stops Calgary San Diego

C$ 476Multiple Airlines

Sun, 11 Oct - Mon, 26 Oct

9:14 a.m. - 1:00 a.m.SFO San Francisco-YOW Ottawa

12h 46m2 stops Las Vegas Harry Reid Intl Calgary

6:10 a.m. - 3:50 p.m.YOW Ottawa-SFO San Francisco

12h 40m1 stop Calgary

C$ 477Multiple Airlines

Wed, 28 Oct - Mon, 2 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:00 a.m. - 7:20 p.m.SFO San Francisco-YOW Ottawa

10h 20m1 stop Calgary

6:55 a.m. - 6:09 p.m.YOW Ottawa-SFO San Francisco

14h 14m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

C$ 696Delta

Wed, 23 Sep - Fri, 25 Sep

6:45 p.m. - 5:15 p.m.SFO San Francisco-YOW Ottawa

19h 30m2 stops Vancouver Intl Calgary

8:15 p.m. - 12:00 p.m.YOW Ottawa-SFO San Francisco

18h 45m1 stop Calgary

C$ 715Multiple Airlines

Mon, 21 Sep - Tue, 13 Oct

8:00 a.m. - 12:20 a.m.SFO San Francisco-YOW Ottawa

13h 20m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl

6:55 a.m. - 6:09 p.m.YOW Ottawa-SFO San Francisco

14h 14m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

C$ 721Delta

Wed, 23 Sep - Fri, 25 Sep

6:05 p.m. - 5:35 a.m.SFO San Francisco-YOW Ottawa

8h 30m1 stop Calgary

6:25 p.m. - 12:15 p.m.YOW Ottawa-SFO San Francisco

20h 50m1 stop Toronto Pearson Intl

C$ 736Multiple Airlines

Wed, 23 Sep - Fri, 25 Sep

6:00 a.m. - 12:55 p.m.SFO San Francisco-YOW Ottawa

27h 55m1 stop Calgary

8:15 p.m. - 12:00 p.m.YOW Ottawa-SFO San Francisco

18h 45m1 stop Calgary

C$ 775Multiple Airlines

Mon, 21 Sep - Tue, 13 Oct

6:00 a.m. - 12:30 p.m.SFO San Francisco-YOW Ottawa

27h 30m2 stops Calgary Edmonton

6:15 p.m. - 4:40 p.m.YOW Ottawa-SFO San Francisco

25h 25m2 stops Edmonton Calgary

C$ 796WestJet

Mon, 21 Sep - Tue, 13 Oct

6:00 a.m. - 12:55 p.m.SFO San Francisco-YOW Ottawa

27h 55m1 stop Calgary

12:25 p.m. - 8:14 a.m.YOW Ottawa-SFO San Francisco

22h 49m2 stops Winnipeg Las Vegas Harry Reid Intl

C$ 869Multiple Airlines

Mon, 21 Sep - Mon, 28 Sep

6:00 a.m. - 12:55 p.m.SFO San Francisco-YOW Ottawa

27h 55m1 stop Calgary

4:10 p.m. - 8:14 a.m.YOW Ottawa-SFO San Francisco

43h 04m2 stops Winnipeg Las Vegas Harry Reid Intl

C$ 913Multiple Airlines

Mon, 21 Sep - Sun, 27 Sep

1:20 p.m. - 12:25 a.m.SFO San Francisco-YOW Ottawa

8h 05m1 stop Toronto Pearson Intl

7:00 a.m. - 12:15 p.m.YOW Ottawa-SFO San Francisco

8h 15m1 stop Toronto Pearson Intl

C$ 915Porter Airlines

Sun, 20 Sep - Thu, 24 Sep

6:00 a.m. - 12:30 p.m.SFO San Francisco-YOW Ottawa

27h 30m2 stops Calgary Edmonton

12:25 p.m. - 12:00 p.m.YOW Ottawa-SFO San Francisco

26h 35m2 stops Winnipeg Calgary

C$ 994WestJet

Mon, 21 Sep - Sun, 27 Sep

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WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets

WestJet

5 Oct

SFO6:00 a.m.San Francisco

30h 20m

1 stop

YOW3:20 p.m.Ottawa

7 Oct

YOW7:20 a.m.Ottawa

17h 35m

1 stop

SFO9:55 p.m.San Francisco

C$ 457

WestJet

9 Nov

SFO4:40 p.m.San Francisco

28h 21m

1 stop

YOW12:01 a.m.Ottawa

30 Nov

YOW6:10 a.m.Ottawa

12h 40m

1 stop

SFO3:50 p.m.San Francisco

C$ 462

WestJet

29 Sep

SFO6:00 a.m.San Francisco

8h 15m

1 stop

YOW5:15 p.m.Ottawa

1 Oct

YOW12:25 p.m.Ottawa

12h 30m

2 stops

SFO9:55 p.m.San Francisco

C$ 470

Delta flights from San Francisco to Ottawa

Our best Delta deals on San Francisco to Ottawa flight tickets

Delta

23 Sep

SFO6:00 a.m.San Francisco

10h 20m

1 stop

YOW7:20 p.m.Ottawa

25 Sep

YOW6:55 a.m.Ottawa

14h 14m

2 stops

SFO6:09 p.m.San Francisco

C$ 696

Delta

23 Sep

SFO8:00 a.m.San Francisco

13h 20m

2 stops

YOW12:20 a.m.Ottawa

25 Sep

YOW6:55 a.m.Ottawa

14h 14m

2 stops

SFO6:09 p.m.San Francisco

C$ 721

Delta

28 Sep

SFO9:55 p.m.San Francisco

16h 40m

2 stops

YOW5:35 p.m.Ottawa

1 Oct

YOW6:55 a.m.Ottawa

14h 14m

2 stops

SFO6:09 p.m.San Francisco

C$ 777

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Mon 5/10

6:00 a.m.-3:20 p.m.

1 stop30h 20m

Ottawa

Wed 7/10

7:20 a.m.-9:55 p.m.

1 stop17h 35m

C$ 457

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Fri 20/11

4:40 p.m.-12:01 a.m.

1 stop28h 21m

Ottawa

Sun 22/11

6:10 a.m.-3:50 p.m.

1 stop12h 40m

C$ 462

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Mon 9/11

4:40 p.m.-12:01 a.m.

1 stop28h 21m

Ottawa

Mon 30/11

6:10 a.m.-3:50 p.m.

1 stop12h 40m

C$ 462

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sun 18/10

6:00 a.m.-12:55 p.m.

1 stop27h 55m

Ottawa

Thu 22/10

12:25 p.m.-9:55 p.m.

2 stops12h 30m

C$ 463

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sun 8/11

4:40 p.m.-12:01 a.m.

1 stop28h 21m

Ottawa

Mon 16/11

6:10 a.m.-12:51 p.m.

2 stops33h 41m

C$ 469

Quickest round-trip

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Tue 29/9

6:00 a.m.-5:15 p.m.

1 stop8h 15m

Ottawa

Thu 1/10

12:25 p.m.-9:55 p.m.

2 stops12h 30m

C$ 470

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sun 8/11

4:40 p.m.-12:01 a.m.

1 stop28h 21m

Ottawa

Thu 26/11

5:30 a.m.-3:50 p.m.

2 stops13h 20m

C$ 473

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Tue 13/10

6:00 a.m.-5:15 p.m.

1 stop8h 15m

Ottawa

Sat 31/10

6:55 p.m.-4:50 p.m.

1 stop24h 55m

C$ 474

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sun 11/10

1:00 p.m.-5:35 a.m.

1 stop13h 35m

Ottawa

Mon 26/10

6:10 a.m.-12:51 p.m.

2 stops33h 41m

C$ 476

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Wed 28/10

9:14 a.m.-1:00 a.m.

2 stops12h 46m

Ottawa

Mon 2/11

6:10 a.m.-3:50 p.m.

1 stop12h 40m

C$ 477

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 C$ 934 to C$ 1,262.
The lowest price recently found on this route was C$ 427.

What is the cheapest month to fly to Ottawa?

The month of February is, on average, the cheapest month to fly to Ottawa from San Francisco, with most prices found around C$ 589. If you aren’t able to travel to Ottawa during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of C$ 628.

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 C$ 843 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 C$ 492 on momondo.

Can stopping save me money on San Francisco to Ottawa flights?

You could potentially save up to 30% on your flight if you consider stops on a San Francisco to Ottawa flight.

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

As of September 2026, prices for San Francisco to Ottawa flights are approximately 7% more expensive 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	C$ 173
Fastest flight time	7h 46m
Direct flights	None

The best one-way flight to Ottawa from San Francisco in the past 72 hours is C$ 173. The best round-trip flight deal from San Francisco to Ottawa found on momondo in the last 72 hours is C$ 457.

The fastest flight from San Francisco to Ottawa takes 7h 46m

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?
A flight from San Francisco to Ottawa will travel around 3915.3 km. In terms of flight time, this usually takes a little over 7h 46m.
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 are updated daily.
How many operators does momondo search for flights from San Francisco Airport to Ottawa Airport?
As of September 2026, there is 1 operator available to choose from 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 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 San Francisco Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Francisco to Ottawa?
Based on momondo bookings for flights between San Francisco and Ottawa, the leading airline is WestJet, making up 100% of the total bookings.

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
WestJet	PriceFrom C$ 562	Free Cancellation	Rating 7.2 3,446 reviews		Search WestJet flights

Gatineau

Brockville

Smiths Falls

Pembroke

Perth

Calabogie

Wakefield

Petawawa

Prescott

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?

Of course. momondo tracks the price of San Francisco to Ottawa flights. All you need is a valid email address and we will do the rest; it is that quick and easy.