Which airlines fly to San Francisco?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Francisco from Ottawa according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 7 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Ottawa Airport to San Francisco Airport are refreshed on a daily basis.

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

There are 4 operators available for flights from Ottawa Airport to San Francisco Airport as of July 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents you'll need for your trip to San Francisco 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 San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 223 Cheap Flights from Ottawa to San Francisco in 2025

1 adult

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Find the cheapest flights from Ottawa to San Francisco

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 a.m. - 11:56 a.m.YOW-SFO

8h 56m1 stop

12:50 p.m. - 12:41 a.m.SFO-YOW

8h 51m1 stop

C$ 387WestJet

Find Deal

Thu, 7 Aug - Thu, 14 Aug

6:10 a.m. - 5:15 p.m.YOW-SFO

14h 05m2 stops

2:45 p.m. - 6:45 a.m.SFO-YOW

13h 00m2 stops

C$ 390WestJet

Find Deal

Fri, 29 Aug - Sat, 6 Sep

6:00 a.m. - 11:56 a.m.YOW-SFO

8h 56m1 stop

12:50 p.m. - 12:41 a.m.SFO-YOW

8h 51m1 stop

C$ 392WestJet

Find Deal

Thu, 14 Aug - Wed, 20 Aug

6:00 a.m. - 11:56 a.m.YOW-SFO

8h 56m1 stop

10:15 a.m. - 6:45 a.m.SFO-YOW

17h 30m2 stops

C$ 394

Find Deal

Thu, 28 Aug - Wed, 3 Sep

6:00 a.m. - 11:56 a.m.YOW-SFO

8h 56m1 stop

12:50 p.m. - 5:25 a.m.SFO-YOW

13h 35m2 stops

C$ 395WestJet

Find Deal

Thu, 7 Aug - Thu, 14 Aug

6:00 a.m. - 11:56 a.m.YOW-SFO

8h 56m1 stop

2:45 p.m. - 6:45 a.m.SFO-YOW

13h 00m2 stops

C$ 398WestJet

Find Deal

Fri, 29 Aug - Sat, 6 Sep

6:00 a.m. - 11:54 a.m.YOW-SFO

8h 54m1 stop

12:50 p.m. - 12:40 a.m.SFO-YOW

8h 50m1 stop

C$ 399WestJet

Find Deal

Thu, 11 Sep - Mon, 15 Sep

6:00 a.m. - 11:54 a.m.YOW-SFO

8h 54m1 stop

12:50 p.m. - 12:40 a.m.SFO-YOW

8h 50m1 stop

C$ 401WestJet

Find Deal

Thu, 25 Sep - Sat, 4 Oct

6:00 a.m. - 11:56 a.m.YOW-SFO

8h 56m1 stop

12:50 p.m. - 5:25 a.m.SFO-YOW

13h 35m2 stops

C$ 403WestJet

Find Deal

Thu, 14 Aug - Wed, 20 Aug

2:50 p.m. - 9:22 p.m.YOW-SFO

9h 32m1 stop

8:25 a.m. - 7:22 p.m.SFO-YOW

7h 57m1 stop

C$ 451Air Canada

Find Deal

Sat, 6 Dec - Wed, 10 Dec

WestJet flights from Ottawa to San Francisco

Our best WestJet deals on Ottawa to San Francisco flight tickets

WestJet

7 Aug

YOW6:00 a.m.Ottawa

8h 56m

1 stop

SFO11:56 a.m.San Francisco

14 Aug

SFO12:50 p.m.San Francisco

8h 51m

1 stop

YOW12:41 a.m.Ottawa

C$ 387

Find similar

WestJet

29 Aug

YOW6:10 a.m.Ottawa

14h 05m

2 stops

SFO5:15 p.m.San Francisco

6 Sep

SFO2:45 p.m.San Francisco

13h 00m

2 stops

YOW6:45 a.m.Ottawa

C$ 390

Find similar

WestJet

14 Aug

YOW6:00 a.m.Ottawa

8h 56m

1 stop

SFO11:56 a.m.San Francisco

20 Aug

SFO12:50 p.m.San Francisco

8h 51m

1 stop

YOW12:41 a.m.Ottawa

C$ 392

Find similar

Delta flights from Ottawa to San Francisco

Our best Delta deals on Ottawa to San Francisco flight tickets

Delta

21 Jul

YOW3:35 p.m.Ottawa

11h 44m

2 stops

SFO12:19 a.m.San Francisco

24 Jul

SFO7:45 a.m.San Francisco

13h 37m

2 stops

YOW12:22 a.m.Ottawa

C$ 889

Find similar

Delta

19 Jul

YOW5:55 a.m.Ottawa

11h 34m

2 stops

SFO2:29 p.m.San Francisco

23 Jul

SFO5:55 a.m.San Francisco

15h 46m

2 stops

YOW12:41 a.m.Ottawa

C$ 1,112

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How to get the cheapest flight ticket from Ottawa to San Francisco

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 San Francisco?

The cheapest month to fly to San Francisco from Ottawa is in January. Flight prices, which tend to average around C$ 414, are often lower during this time because this is during the off-season. The month of May is another great option to travel to San Francisco, with average flight prices from Ottawa averaging around C$ 436.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Ottawa to San Francisco is on a Thursday. Travellers who choose to depart for San Francisco on a Thursday will often find tickets for as low as C$ 570. On the other hand, Monday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 760.

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

Flying to San Francisco from Ottawa at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 617 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to San Francisco is in the evening when prices are around C$ 677.

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

You are more likely to see cheaper flights to San Francisco from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around C$ 518 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Ottawa for as low as C$ 423 on momondo.

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

You could potentially save up to 23% on your flight if you consider stops on a Ottawa to San Francisco flight.

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

As of July 2025, prices for Ottawa to San Francisco flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Ottawa to San Francisco

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

Estimated round-trip price

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

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

Best price found	C$ 223
Fastest flight time	8h 11m
Direct flights	None
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Ottawa in the past 72 hours is C$ 223. The best round-trip flight deal from Ottawa to San Francisco found on momondo in the last 72 hours is C$ 387.

The fastest flight from Ottawa to San Francisco takes 8h 11m

There are no direct flights from Ottawa to San Francisco. Popular non-direct route for this connection is Ottawa Airport - San Francisco Airport.

There is 1 airport near San Francisco: San Francisco (SFO)

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How far is Ottawa to San Francisco by plane?
Ottawa and San Francisco are 3915.6 km apart from one another. In terms of flight time, this usually takes a little over 8h 50m.
When did momondo last update prices for flights from Ottawa Airport to San Francisco Airport?
Prices for flights from Ottawa Airport to San Francisco Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ottawa Airport to San Francisco Airport?
There are 4 operators available for flights from Ottawa Airport to San Francisco Airport as of July 2025.
How old do you have to be to fly from Ottawa Airport to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco 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 San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ottawa to San Francisco?
Based on momondo bookings for flights between Ottawa and San Francisco, the leading airline is Air Canada, making up 38% of the total bookings. Other popular airlines include Porter Airlines with 32%, WestJet with 19%, and United Airlines with 11%.

Best airlines flying from Ottawa to San Francisco

Compare and see reviews for airlines that fly from Ottawa to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom C$ 304	Free Cancellation	Rating 7.2 2,924 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 330	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 333	Free Cancellation	Rating 7.1 9,692 reviews	Search Air Canada flights
Porter Airlines	PriceFrom C$ 340	Free Cancellation	Rating 8.0 303 reviews	Search Porter Airlines flights

Los Altos

Palo Alto

South San Francisco

Newark

Santa Cruz

Sunnyvale

Fremont

Turlock

Mountain View

San Bruno

Half Moon Bay

Pacific Grove

Mill Valley

Los Banos

Pacifica

Berkeley

Roseville

Woodland

Carmel Valley

Vacaville

Why use momondo?

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

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 San Francisco from Ottawa.

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

Yes. momondo allows you to filter the results for Ottawa to San Francisco flights to just show those with flexible booking policies.

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

Once all potential Ottawa to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Ottawa and alert you when they change.