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Cheap flights from San Francisco to Ottawa from C$ 244

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Ottawa departing on 13/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:05 p.m. - 5:40 a.m.
SFO
-
YOW
8h 35m
1 stop
WestJet Logo
5:55 a.m. - 4:40 p.m.
YOW
-
SFO
13h 45m
2 stops
C$ 475WestJet
Fri, 29 May - Sat, 6 Jun
WestJet Logo
6:00 a.m. - 5:20 p.m.
SFO
-
YOW
8h 20m
1 stop
WestJet Logo
5:55 a.m. - 4:40 p.m.
YOW
-
SFO
13h 45m
2 stops
C$ 499WestJet
Wed, 27 May - Sat, 6 Jun
Multiple Airlines Logo
6:45 p.m. - 2:44 p.m.
SFO
-
YOW
16h 59m
1 stop
Multiple Airlines Logo
5:55 a.m. - 4:52 p.m.
YOW
-
SFO
13h 57m
2 stops
C$ 505Multiple Airlines
Wed, 22 Apr - Tue, 28 Apr
WestJet Logo
6:05 p.m. - 5:40 a.m.
SFO
-
YOW
8h 35m
1 stop
WestJet Logo
12:25 p.m. - 9:55 p.m.
YOW
-
SFO
12h 30m
2 stops
C$ 512WestJet
Fri, 29 May - Fri, 5 Jun
Multiple Airlines Logo
6:05 p.m. - 5:40 a.m.
SFO
-
YOW
8h 35m
1 stop
Multiple Airlines Logo
8:35 a.m. - 9:55 p.m.
YOW
-
SFO
16h 20m
2 stops
C$ 526Multiple Airlines
Fri, 29 May - Sun, 7 Jun
WestJet Logo
6:00 a.m. - 12:30 p.m.
SFO
-
YOW
27h 30m
2 stops
WestJet Logo
12:25 p.m. - 9:55 p.m.
YOW
-
SFO
12h 30m
2 stops
C$ 530WestJet
Thu, 28 May - Sat, 6 Jun
WestJet Logo
6:00 a.m. - 5:20 p.m.
SFO
-
YOW
8h 20m
1 stop
WestJet Logo
1:20 p.m. - 4:40 p.m.
YOW
-
SFO
30h 20m
1 stop
C$ 541WestJet
Thu, 4 Jun - Sun, 7 Jun
Multiple Airlines Logo
6:00 a.m. - 5:20 p.m.
SFO
-
YOW
8h 20m
1 stop
Multiple Airlines Logo
7:00 a.m. - 12:20 p.m.
YOW
-
SFO
8h 20m
1 stop
C$ 553Multiple Airlines
Wed, 27 May - Fri, 5 Jun
Multiple Airlines Logo
6:45 p.m. - 2:44 p.m.
SFO
-
YOW
16h 59m
1 stop
Multiple Airlines Logo
5:55 a.m. - 12:45 p.m.
YOW
-
SFO
9h 50m
1 stop
C$ 555Multiple Airlines
Wed, 22 Apr - Tue, 28 Apr
Multiple Airlines Logo
7:15 p.m. - 12:39 a.m.
SFO
-
YOW
26h 24m
2 stops
Multiple Airlines Logo
6:45 a.m. - 12:42 p.m.
YOW
-
SFO
8h 57m
1 stop
C$ 557Multiple Airlines
Tue, 3 Mar - Mon, 9 Mar

WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets
WestJet
29 May
SFO6:05 p.m.San Francisco
8h 35m
1 stop
YOW5:40 a.m.Ottawa
6 Jun
YOW5:55 a.m.Ottawa
13h 45m
2 stops
SFO4:40 p.m.San Francisco
C$ 475
WestJet
27 May
SFO6:00 a.m.San Francisco
8h 20m
1 stop
YOW5:20 p.m.Ottawa
6 Jun
YOW5:55 a.m.Ottawa
13h 45m
2 stops
SFO4:40 p.m.San Francisco
C$ 499
WestJet
29 May
SFO6:05 p.m.San Francisco
8h 35m
1 stop
YOW5:40 a.m.Ottawa
5 Jun
YOW12:25 p.m.Ottawa
12h 30m
2 stops
SFO9:55 p.m.San Francisco
C$ 512

Delta flights from San Francisco to Ottawa

Our best Delta deals on San Francisco to Ottawa flight tickets
Delta
23 Feb
SFO5:45 a.m.San Francisco
15h 54m
2 stops
YOW12:39 a.m.Ottawa
4 Mar
YOW5:40 a.m.Ottawa
15h 56m
2 stops
SFO6:36 p.m.San Francisco
C$ 677
Delta
18 Feb
SFO5:45 a.m.San Francisco
15h 54m
2 stops
YOW12:39 a.m.Ottawa
4 Mar
YOW5:40 a.m.Ottawa
15h 56m
2 stops
SFO6:36 p.m.San Francisco
C$ 839
Delta
18 Feb
SFO5:45 a.m.San Francisco
15h 54m
2 stops
YOW12:39 a.m.Ottawa
2 Mar
YOW5:40 a.m.Ottawa
19h 00m
2 stops
SFO9:40 p.m.San Francisco
C$ 1,069

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 4 February 2026.
Use the filters below to find and compare flights from San Francisco to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 29/5

6:05 p.m.-5:40 a.m.

1 stop8h 35m

Ottawa

Sat 6/6

5:55 a.m.-4:40 p.m.

2 stops13h 45m

C$ 475

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 27/5

6:00 a.m.-5:20 p.m.

1 stop8h 20m

Ottawa

Sat 6/6

5:55 a.m.-4:40 p.m.

2 stops13h 45m

C$ 499

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 22/4

6:45 p.m.-2:44 p.m.

1 stop16h 59m

Ottawa

Tue 28/4

5:55 a.m.-4:52 p.m.

2 stops13h 57m

C$ 505

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 29/5

6:05 p.m.-5:40 a.m.

1 stop8h 35m

Ottawa

Fri 5/6

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

2 stops12h 30m

C$ 512

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 29/5

6:05 p.m.-5:40 a.m.

1 stop8h 35m

Ottawa

Sun 7/6

8:35 a.m.-9:55 p.m.

2 stops16h 20m

C$ 526

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 28/5

6:00 a.m.-12:30 p.m.

2 stops27h 30m

Ottawa

Sat 6/6

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

2 stops12h 30m

C$ 530

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 4/6

6:00 a.m.-5:20 p.m.

1 stop8h 20m

Ottawa

Sun 7/6

1:20 p.m.-4:40 p.m.

1 stop30h 20m

C$ 541

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 27/5

6:00 a.m.-5:20 p.m.

1 stop8h 20m

Ottawa

Fri 5/6

7:00 a.m.-12:20 p.m.

1 stop8h 20m

C$ 553

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 22/4

6:45 p.m.-2:44 p.m.

1 stop16h 59m

Ottawa

Tue 28/4

5:55 a.m.-12:45 p.m.

1 stop9h 50m

C$ 555

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 3/3

7:15 p.m.-12:39 a.m.

2 stops26h 24m

Ottawa

Mon 9/3

6:45 a.m.-12:42 p.m.

1 stop8h 57m

C$ 557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

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

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$ 460. 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$ 482.

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$ 646 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$ 434 on momondo.

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

You could potentially save up to 1% 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 February 2026, prices for San Francisco to Ottawa flights are approximately 20% 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

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?

  • 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?

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 AirlinesPriceFrom C$ 194Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 399Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Brockville
Perth
Smiths Falls
Prescott
Calabogie
Wakefield
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.

An easier way to manage your Ottawa trip

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