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

Porter Airlines is the most popular carrier 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 54% 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 December 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$ 198 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.

12:50 p.m. - 5:28 a.m.

SFO

YOW

13h 38m2 stops

7:00 a.m. - 12:23 p.m.

YOW

SFO

8h 23m1 stop

C$ 351Multiple Airlines

Thu, 30 Apr - Tue, 12 May

12:50 p.m. - 5:28 a.m.

SFO

YOW

13h 38m2 stops

3:45 p.m. - 9:24 p.m.

YOW

SFO

8h 39m1 stop

C$ 360WestJet

Fri, 8 May - Mon, 11 May

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

SFO

YOW

8h 50m1 stop

7:00 a.m. - 12:23 p.m.

YOW

SFO

8h 23m1 stop

C$ 365Multiple Airlines

Thu, 30 Apr - Tue, 12 May

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

SFO

YOW

8h 50m1 stop

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

YOW

SFO

8h 54m1 stop

C$ 366WestJet

Fri, 8 May - Mon, 11 May

1:45 p.m. - 12:43 a.m.

SFO

YOW

7h 58m1 stop

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

YOW

SFO

9h 12m1 stop

C$ 375Multiple Airlines

Tue, 20 Jan - Thu, 29 Jan

12:50 p.m. - 5:28 a.m.

SFO

YOW

13h 38m2 stops

6:15 a.m. - 11:54 a.m.

YOW

SFO

32h 39m2 stops

C$ 383WestJet

Fri, 8 May - Mon, 11 May

12:50 p.m. - 5:28 a.m.

SFO

YOW

13h 38m2 stops

5:15 p.m. - 11:54 a.m.

YOW

SFO

21h 39m2 stops

C$ 387WestJet

Thu, 30 Apr - Tue, 12 May

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

SFO

YOW

8h 40m1 stop

5:45 p.m. - 12:10 p.m.

YOW

SFO

21h 25m1 stop

C$ 404WestJet

Fri, 10 Apr - Mon, 13 Apr

1:00 p.m. - 2:01 p.m.

SFO

YOW

22h 01m2 stops

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

YOW

SFO

9h 12m1 stop

C$ 411Multiple Airlines

Tue, 27 Jan - Fri, 30 Jan

1:00 p.m. - 12:42 a.m.

SFO

YOW

32h 42m2 stops

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

YOW

SFO

9h 12m1 stop

C$ 412WestJet

Tue, 13 Jan - Tue, 20 Jan

Porter Airlines flights from San Francisco to Ottawa

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

Porter Airlines

24 Feb

SFO1:45 p.m.San Francisco

7h 58m

1 stop

YOW12:43 a.m.Ottawa

4 Mar

YOW6:45 a.m.Ottawa

9h 00m

1 stop

SFO12:45 p.m.San Francisco

C$ 426

Find similar

Porter Airlines

29 Jan

SFO1:45 p.m.San Francisco

7h 58m

1 stop

YOW12:43 a.m.Ottawa

4 Feb

YOW6:45 a.m.Ottawa

9h 00m

1 stop

SFO12:45 p.m.San Francisco

C$ 557

Find similar

Porter Airlines

12 Jan

SFO1:45 p.m.San Francisco

7h 58m

1 stop

YOW12:43 a.m.Ottawa

11 Feb

YOW6:45 a.m.Ottawa

9h 00m

1 stop

SFO12:45 p.m.San Francisco

C$ 576

Find similar

WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets

WestJet

16 Jan

SFO1:00 p.m.San Francisco

8h 40m

1 stop

YOW12:40 a.m.Ottawa

22 Jan

YOW6:00 a.m.Ottawa

9h 12m

1 stop

SFO12:12 p.m.San Francisco

C$ 357

Find similar

WestJet

8 May

SFO12:50 p.m.San Francisco

13h 38m

2 stops

YOW5:28 a.m.Ottawa

11 May

YOW3:45 p.m.Ottawa

8h 39m

1 stop

SFO9:24 p.m.San Francisco

C$ 360

Find similar

WestJet

8 May

SFO12:50 p.m.San Francisco

8h 50m

1 stop

YOW12:40 a.m.Ottawa

11 May

YOW6:00 a.m.Ottawa

8h 54m

1 stop

SFO11:54 a.m.San Francisco

C$ 366

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 30/4

12:50 p.m.-5:28 a.m.

2 stops13h 38m

Ottawa

Tue 12/5

7:00 a.m.-12:23 p.m.

1 stop8h 23m

C$ 351

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 8/5

12:50 p.m.-5:28 a.m.

2 stops13h 38m

Ottawa

Mon 11/5

3:45 p.m.-9:24 p.m.

1 stop8h 39m

C$ 360

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 30/4

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

1 stop8h 50m

Ottawa

Tue 12/5

7:00 a.m.-12:23 p.m.

1 stop8h 23m

C$ 365

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 8/5

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

1 stop8h 50m

Ottawa

Mon 11/5

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

1 stop8h 54m

C$ 366

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 20/1

1:45 p.m.-12:43 a.m.

1 stop7h 58m

Ottawa

Thu 29/1

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

1 stop9h 12m

C$ 375

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 8/5

12:50 p.m.-5:28 a.m.

2 stops13h 38m

Ottawa

Mon 11/5

6:15 a.m.-11:54 a.m.

2 stops32h 39m

C$ 383

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 30/4

12:50 p.m.-5:28 a.m.

2 stops13h 38m

Ottawa

Tue 12/5

5:15 p.m.-11:54 a.m.

2 stops21h 39m

C$ 387

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 10/4

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

1 stop8h 40m

Ottawa

Mon 13/4

5:45 p.m.-12:10 p.m.

1 stop21h 25m

C$ 404

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 27/1

1:00 p.m.-2:01 p.m.

2 stops22h 01m

Ottawa

Fri 30/1

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

1 stop9h 12m

C$ 411

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 13/1

1:00 p.m.-12:42 a.m.

2 stops32h 42m

Ottawa

Tue 20/1

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

1 stop9h 12m

C$ 412

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$ 464. 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$ 464.

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$ 540. Flights from San Francisco to Ottawa on a Sunday will generally be more expensive and average around C$ 1,081. 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$ 651. In the evening is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 789 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$ 652 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$ 438 on momondo.

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

You could potentially save up to 63% 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 December 2025, prices for San Francisco to Ottawa flights are approximately 34% 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

Fastest flight time	7h 58m
Direct flights	None

The fastest flight from San Francisco to Ottawa takes 7h 58m

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 7h 58m.
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 December 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$ 196	Free Cancellation	Rating 8.0 399 reviews		Search Porter Airlines flights
Air Canada	PriceFrom C$ 402	Free Cancellation	Rating 7.1 10,534 reviews		Search Air Canada flights

Gatineau

Pembroke

Brockville

Perth

Smiths Falls

Wakefield

Prescott

Petawawa

Calabogie

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.