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

WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from San Francisco to Ottawa

Which airlines fly to Ottawa?

Air Canada, Porter Airlines and United 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 50% 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.

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 November 2025, there are 2 operators 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$ 216 Cheap Flights from San Francisco to Ottawa in 2025/26

1 adult

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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.

10:15 a.m. - 2:44 p.m.SFO-YOW

25h 29m1 stop

6:45 p.m. - 9:30 a.m.YOW-SFO

17h 45m1 stop

C$ 455Multiple Airlines

Find Deal

Thu, 4 Dec - Mon, 8 Dec

10:15 a.m. - 12:42 a.m.SFO-YOW

35h 27m3 stops

6:45 p.m. - 9:30 a.m.YOW-SFO

17h 45m1 stop

C$ 495Multiple Airlines

Find Deal

Thu, 4 Dec - Mon, 8 Dec

10:15 a.m. - 2:44 p.m.SFO-YOW

25h 29m1 stop

7:15 p.m. - 12:12 p.m.YOW-SFO

19h 57m2 stops

C$ 528Multiple Airlines

Find Deal

Thu, 4 Dec - Mon, 8 Dec

1:40 p.m. - 12:41 a.m.SFO-YOW

8h 01m1 stop

6:45 a.m. - 12:40 p.m.YOW-SFO

8h 55m1 stop

C$ 583Porter Airlines

Find Deal

Mon, 12 Jan - Wed, 21 Jan

1:00 p.m. - 6:21 p.m.SFO-YOW

26h 21m2 stops

7:15 p.m. - 12:12 p.m.YOW-SFO

19h 57m2 stops

C$ 601WestJet

Find Deal

Thu, 4 Dec - Mon, 8 Dec

1:00 p.m. - 6:21 p.m.SFO-YOW

26h 21m2 stops

5:45 p.m. - 12:12 p.m.YOW-SFO

21h 27m1 stop

C$ 605WestJet

Find Deal

Thu, 4 Dec - Mon, 8 Dec

1:40 p.m. - 12:41 a.m.SFO-YOW

8h 01m1 stop

6:45 a.m. - 12:40 p.m.YOW-SFO

8h 55m1 stop

C$ 661Porter Airlines

Find Deal

Wed, 7 Jan - Sat, 10 Jan

6:00 a.m. - 12:41 a.m.SFO-YOW

15h 41m2 stops

6:45 a.m. - 12:47 a.m.YOW-SFO

21h 02m2 stops

C$ 721American Airlines

Find Deal

Mon, 12 Jan - Wed, 21 Jan

1:00 p.m. - 12:40 a.m.SFO-YOW

8h 40m1 stop

5:40 a.m. - 6:38 p.m.YOW-SFO

15h 58m2 stops

C$ 749Delta

Find Deal

Sun, 11 Jan - Tue, 13 Jan

12:17 a.m. - 4:51 p.m.SFO-YOW

13h 34m2 stops

6:45 a.m. - 10:25 p.m.YOW-SFO

18h 40m2 stops

C$ 800American Airlines

Find Deal

Sat, 24 Jan - Thu, 12 Feb

Delta flights from San Francisco to Ottawa

Our best Delta deals on San Francisco to Ottawa flight tickets

Delta

11 Jan

SFO1:00 p.m.San Francisco

8h 40m

1 stop

YOW12:40 a.m.Ottawa

13 Jan

YOW5:40 a.m.Ottawa

15h 58m

2 stops

SFO6:38 p.m.San Francisco

C$ 749

Find similar

Delta

16 Nov

SFO12:30 a.m.San Francisco

21h 10m

2 stops

YOW12:40 a.m.Ottawa

20 Nov

YOW5:40 a.m.Ottawa

15h 21m

2 stops

SFO6:01 p.m.San Francisco

C$ 1,929

Find similar

Delta

16 Nov

SFO12:30 a.m.San Francisco

21h 10m

2 stops

YOW12:40 a.m.Ottawa

20 Nov

YOW6:00 a.m.Ottawa

9h 12m

1 stop

SFO12:12 p.m.San Francisco

C$ 1,960

Find similar

Porter Airlines flights from San Francisco to Ottawa

Our best Porter Airlines deals on San Francisco to Ottawa flight tickets

Porter Airlines

12 Jan

SFO1:40 p.m.San Francisco

8h 01m

1 stop

YOW12:41 a.m.Ottawa

21 Jan

YOW6:45 a.m.Ottawa

8h 55m

1 stop

SFO12:40 p.m.San Francisco

C$ 583

Find similar

Porter Airlines

7 Jan

SFO1:40 p.m.San Francisco

8h 01m

1 stop

YOW12:41 a.m.Ottawa

10 Jan

YOW6:45 a.m.Ottawa

8h 55m

1 stop

SFO12:40 p.m.San Francisco

C$ 661

Find similar

Porter Airlines

11 Jan

SFO1:40 p.m.San Francisco

8h 01m

1 stop

YOW12:41 a.m.Ottawa

13 Jan

YOW6:45 a.m.Ottawa

8h 55m

1 stop

SFO12:40 p.m.San Francisco

C$ 702

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 4/12

10:15 a.m.-2:44 p.m.

1 stop25h 29m

Ottawa

Mon 8/12

6:45 p.m.-9:30 a.m.

1 stop17h 45m

C$ 455

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 4/12

10:15 a.m.-12:42 a.m.

3 stops35h 27m

Ottawa

Mon 8/12

6:45 p.m.-9:30 a.m.

1 stop17h 45m

C$ 495

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 4/12

10:15 a.m.-2:44 p.m.

1 stop25h 29m

Ottawa

Mon 8/12

7:15 p.m.-12:12 p.m.

2 stops19h 57m

C$ 528

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 12/1

1:40 p.m.-12:41 a.m.

1 stop8h 01m

Ottawa

Wed 21/1

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 583

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 4/12

1:00 p.m.-6:21 p.m.

2 stops26h 21m

Ottawa

Mon 8/12

7:15 p.m.-12:12 p.m.

2 stops19h 57m

C$ 601

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 4/12

1:00 p.m.-6:21 p.m.

2 stops26h 21m

Ottawa

Mon 8/12

5:45 p.m.-12:12 p.m.

1 stop21h 27m

C$ 605

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 7/1

1:40 p.m.-12:41 a.m.

1 stop8h 01m

Ottawa

Sat 10/1

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 661

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 12/1

6:00 a.m.-12:41 a.m.

2 stops15h 41m

Ottawa

Wed 21/1

6:45 a.m.-12:47 a.m.

2 stops21h 02m

C$ 721

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 11/1

1:00 p.m.-12:40 a.m.

1 stop8h 40m

Ottawa

Tue 13/1

5:40 a.m.-6:38 p.m.

2 stops15h 58m

C$ 749

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 24/1

12:17 a.m.-4:51 p.m.

2 stops13h 34m

Ottawa

Thu 12/2

6:45 a.m.-10:25 p.m.

2 stops18h 40m

C$ 800

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 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$ 472. If you aren’t able to travel to Ottawa during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of C$ 472.

What is the cheapest day to depart on your flight to Ottawa?

Our data shows that Saturday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 549. Flights from San Francisco to Ottawa on a Sunday will generally be more expensive and average around C$ 1,099. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ottawa?

Our most recent data shows that the best time of day to fly to Ottawa is in the afternoon. Flights from San Francisco to Ottawa during this time can be as low as C$ 662. In the evening is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 802 per ticket.

How far in advance should I book a flight 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$ 649 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$ 455 on momondo.

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

You could potentially save up to 74% 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 November 2025, prices for San Francisco to Ottawa flights are approximately 19% 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

Direct flights	None

There are no direct flights from San Francisco to Ottawa. There are no popular flight routes from San Francisco to Ottawa.

Search flight deals

How far is San Francisco to Ottawa by plane?
A flight from San Francisco to Ottawa will travel around 3915.6 km. In terms of flight time, this usually takes a little over 8h 01m.
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 November 2025, there are 2 operators 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 Porter Airlines, making up 54% of the total bookings. Other popular airlines include Air Canada with 46%.

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
Porter Airlines	PriceFrom C$ 199	Free Cancellation	Rating 8.0 384 reviews		Search Porter Airlines flights
Air Canada	PriceFrom C$ 409	Free Cancellation	Rating 7.1 10,394 reviews		Search Air Canada flights

Gatineau

Pembroke

Brockville

Smiths Falls

Perth

Wakefield

Calabogie

Prescott

Petawawa

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.