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

WestJet, United 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 57% 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 September 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$ 135 Cheap Flights from San Francisco to Ottawa in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Francisco to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

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

25h 29m1 stop

3:45 p.m. - 8:44 a.m.YOW-SFO

19h 59m2 stops

C$ 367Multiple Airlines

Find Deal

Wed, 15 Oct - Wed, 22 Oct

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

8h 40m1 stop

5:00 a.m. - 11:12 a.m.YOW-SFO

9h 12m1 stop

C$ 369WestJet

Find Deal

Fri, 31 Oct - Sun, 2 Nov

12:50 p.m. - 4:19 p.m.SFO-YOW

24h 29m2 stops

5:15 p.m. - 9:24 p.m.YOW-SFO

31h 09m2 stops

C$ 379WestJet

Find Deal

Sat, 11 Oct - Thu, 16 Oct

12:50 p.m. - 4:19 p.m.SFO-YOW

24h 29m2 stops

5:15 p.m. - 9:24 p.m.YOW-SFO

31h 09m2 stops

C$ 383WestJet

Find Deal

Wed, 15 Oct - Wed, 22 Oct

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

8h 40m1 stop

5:00 a.m. - 11:12 a.m.YOW-SFO

9h 12m1 stop

C$ 384WestJet

Find Deal

Thu, 30 Oct - Sun, 2 Nov

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

25h 29m1 stop

5:40 a.m. - 5:49 p.m.YOW-SFO

15h 09m2 stops

C$ 387Multiple Airlines

Find Deal

Thu, 30 Oct - Thu, 6 Nov

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

8h 40m1 stop

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

19h 57m2 stops

C$ 388WestJet

Find Deal

Fri, 7 Nov - Mon, 10 Nov

11:55 p.m. - 1:32 p.m.SFO-YOW

10h 37m1 stop

10:30 a.m. - 9:13 p.m.YOW-SFO

13h 43m2 stops

C$ 437United Airlines

Find Deal

Sun, 2 Nov - Tue, 11 Nov

10:40 p.m. - 10:26 a.m.SFO-YOW

8h 46m1 stop

4:10 p.m. - 9:34 p.m.YOW-SFO

8h 24m1 stop

C$ 463United Airlines

Find Deal

Wed, 19 Nov - Tue, 25 Nov

5:45 a.m. - 7:12 p.m.SFO-YOW

10h 27m2 stops

5:40 a.m. - 5:51 p.m.YOW-SFO

15h 11m2 stops

C$ 658Delta

Find Deal

Thu, 30 Oct - Thu, 6 Nov

WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets

WestJet

31 Oct

SFO1:00 p.m.San Francisco

8h 40m

1 stop

YOW12:40 a.m.Ottawa

2 Nov

YOW5:00 a.m.Ottawa

9h 12m

1 stop

SFO11:12 a.m.San Francisco

C$ 369

Find similar

WestJet

11 Oct

SFO12:50 p.m.San Francisco

24h 29m

2 stops

YOW4:19 p.m.Ottawa

16 Oct

YOW5:15 p.m.Ottawa

31h 09m

2 stops

SFO9:24 p.m.San Francisco

C$ 379

Find similar

WestJet

15 Oct

SFO12:50 p.m.San Francisco

24h 29m

2 stops

YOW4:19 p.m.Ottawa

22 Oct

YOW5:15 p.m.Ottawa

31h 09m

2 stops

SFO9:24 p.m.San Francisco

C$ 383

Find similar

United Airlines flights from San Francisco to Ottawa

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

United Airlines

2 Nov

SFO11:55 p.m.San Francisco

10h 37m

1 stop

YOW1:32 p.m.Ottawa

11 Nov

YOW10:30 a.m.Ottawa

13h 43m

2 stops

SFO9:13 p.m.San Francisco

C$ 437

Find similar

United Airlines

19 Nov

SFO10:40 p.m.San Francisco

8h 46m

1 stop

YOW10:26 a.m.Ottawa

25 Nov

YOW4:10 p.m.Ottawa

8h 24m

1 stop

SFO9:34 p.m.San Francisco

C$ 463

Find similar

United Airlines

14 Oct

SFO12:43 a.m.San Francisco

11h 21m

2 stops

YOW3:04 p.m.Ottawa

22 Oct

YOW5:15 a.m.Ottawa

8h 18m

1 stop

SFO10:33 a.m.San Francisco

C$ 530

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 15/10

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

1 stop25h 29m

Ottawa

Wed 22/10

3:45 p.m.-8:44 a.m.

2 stops19h 59m

C$ 367

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 31/10

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

1 stop8h 40m

Ottawa

Sun 2/11

5:00 a.m.-11:12 a.m.

1 stop9h 12m

C$ 369

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 11/10

12:50 p.m.-4:19 p.m.

2 stops24h 29m

Ottawa

Thu 16/10

5:15 p.m.-9:24 p.m.

2 stops31h 09m

C$ 379

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 15/10

12:50 p.m.-4:19 p.m.

2 stops24h 29m

Ottawa

Wed 22/10

5:15 p.m.-9:24 p.m.

2 stops31h 09m

C$ 383

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 30/10

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

1 stop8h 40m

Ottawa

Sun 2/11

5:00 a.m.-11:12 a.m.

1 stop9h 12m

C$ 384

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 30/10

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

1 stop25h 29m

Ottawa

Thu 6/11

5:40 a.m.-5:49 p.m.

2 stops15h 09m

C$ 387

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 7/11

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

1 stop8h 40m

Ottawa

Mon 10/11

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

2 stops19h 57m

C$ 388

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 2/11

11:55 p.m.-1:32 p.m.

1 stop10h 37m

Ottawa

Tue 11/11

10:30 a.m.-9:13 p.m.

2 stops13h 43m

C$ 437

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 19/11

10:40 p.m.-10:26 a.m.

1 stop8h 46m

Ottawa

Tue 25/11

4:10 p.m.-9:34 p.m.

1 stop8h 24m

C$ 463

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 30/10

5:45 a.m.-7:12 p.m.

2 stops10h 27m

Ottawa

Thu 6/11

5:40 a.m.-5:51 p.m.

2 stops15h 11m

C$ 658

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$ 466. 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$ 470.

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$ 541. Flights from San Francisco to Ottawa on a Sunday will generally be more expensive and average around C$ 1,084. 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$ 652. In the evening is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 791 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$ 623 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$ 449 on momondo.

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

You could potentially save up to 24% 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 2025, prices for San Francisco to Ottawa flights are approximately 32% 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

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 02m.
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 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 Air Canada, making up 54% of the total bookings. Other popular airlines include Porter Airlines 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$ 196	Free Cancellation	Rating 7.9 363 reviews		Search Porter Airlines flights
Air Canada	PriceFrom C$ 322	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights

Gatineau

Pembroke

Brockville

Smiths Falls

Perth

Wakefield

Calabogie

Prescott

Petawawa

Winchester

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.