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Cheap flights from San Francisco to Ottawa from $173

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 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 pm - 5:35 am
SFO
-
YOW
8h 30m
1 stop
WestJet Logo
6:00 am - 12:00 pm
YOW
-
SFO
9h 00m
1 stop
$398WestJet
Sun, Aug 23 - Wed, Sep 2
WestJet Logo
6:05 pm - 5:35 am
SFO
-
YOW
8h 30m
1 stop
WestJet Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$401WestJet
Sat, Aug 22 - Tue, Sep 1
WestJet Logo
6:05 pm - 5:35 am
SFO
-
YOW
8h 30m
1 stop
WestJet Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$402WestJet
Sun, Aug 23 - Wed, Sep 2
WestJet Logo
6:05 pm - 5:35 am
SFO
-
YOW
8h 30m
1 stop
WestJet Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$403WestJet
Mon, Aug 24 - Thu, Aug 27
WestJet Logo
6:00 am - 5:15 pm
SFO
-
YOW
8h 15m
1 stop
WestJet Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$404WestJet
Mon, Aug 10 - Mon, Aug 17
WestJet Logo
6:00 am - 7:20 pm
SFO
-
YOW
10h 20m
1 stop
WestJet Logo
6:00 am - 12:00 pm
YOW
-
SFO
9h 00m
1 stop
$407WestJet
Thu, Jul 16 - Fri, Jul 24
WestJet Logo
6:00 am - 5:15 pm
SFO
-
YOW
8h 15m
1 stop
WestJet Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$412WestJet
Wed, Aug 19 - Mon, Aug 24
WestJet Logo
6:05 pm - 5:35 am
SFO
-
YOW
8h 30m
1 stop
WestJet Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$413WestJet
Tue, Aug 18 - Sat, Aug 22
WestJet Logo
6:05 pm - 5:35 am
SFO
-
YOW
8h 30m
1 stop
WestJet Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$416WestJet
Thu, Aug 20 - Mon, Aug 24
WestJet Logo
1:00 pm - 12:40 am
SFO
-
YOW
8h 40m
1 stop
WestJet Logo
6:00 am - 12:00 pm
YOW
-
SFO
9h 00m
1 stop
$419WestJet
Thu, Aug 20 - Thu, Aug 27

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WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets
WestJet
Aug 23
SFO6:05 pmSan Francisco
8h 30m
1 stop
YOW5:35 amOttawa
Sep 3
YOW6:00 amOttawa
9h 00m
1 stop
SFO12:00 pmSan Francisco
$398
WestJet
Aug 22
SFO6:05 pmSan Francisco
8h 30m
1 stop
YOW5:35 amOttawa
Sep 1
YOW12:25 pmOttawa
12h 30m
2 stops
SFO9:55 pmSan Francisco
$401
WestJet
Aug 23
SFO6:05 pmSan Francisco
8h 30m
1 stop
YOW5:35 amOttawa
Sep 2
YOW12:25 pmOttawa
12h 30m
2 stops
SFO9:55 pmSan Francisco
$402

Porter Airlines flights from San Francisco to Ottawa

Our best Porter Airlines deals on San Francisco to Ottawa flight tickets
Porter Airlines
Jun 22
SFO1:20 pmSan Francisco
8h 05m
1 stop
YOW12:25 amOttawa
Jul 2
YOW7:00 amOttawa
8h 20m
1 stop
SFO12:20 pmSan Francisco
$982
Porter Airlines
Jun 17
SFO1:20 pmSan Francisco
8h 05m
1 stop
YOW12:25 amOttawa
Jun 22
YOW7:00 amOttawa
8h 20m
1 stop
SFO12:20 pmSan Francisco
$1,114
Porter Airlines
Jun 10
SFO1:20 pmSan Francisco
8h 05m
1 stop
YOW12:25 amOttawa
Jun 15
YOW7:00 amOttawa
8h 20m
1 stop
SFO12:20 pmSan Francisco
$1,222

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 832,500 searches. Data last updated June 9, 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

Cheapest round-trip
Quickest round-trip

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 8/23

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Wed 9/2

6:00 am-12:00 pm

1 stop9h 00m

$398

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 8/22

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Tue 9/1

12:25 pm-9:55 pm

2 stops12h 30m

$401

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 8/23

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Wed 9/2

12:25 pm-9:55 pm

2 stops12h 30m

$402

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 8/24

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Thu 8/27

12:25 pm-9:55 pm

2 stops12h 30m

$403

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 8/10

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Mon 8/17

12:25 pm-9:55 pm

2 stops12h 30m

$404

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 7/16

6:00 am-7:20 pm

1 stop10h 20m

Ottawa

Fri 7/24

6:00 am-12:00 pm

1 stop9h 00m

$407

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 8/19

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Mon 8/24

12:25 pm-9:55 pm

2 stops12h 30m

$412

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 8/18

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Sat 8/22

12:25 pm-9:55 pm

2 stops12h 30m

$413

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 8/20

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Mon 8/24

12:25 pm-9:55 pm

2 stops12h 30m

$416

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 8/20

1:00 pm-12:40 am

1 stop8h 40m

Ottawa

Thu 8/27

6:00 am-12:00 pm

1 stop9h 00m

$419

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 typical price of a round-trip flight between San Francisco and Ottawa?

What is the cheapest month to fly to Ottawa?

In general, February is the cheapest month to fly from San Francisco to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $422. The month of September is another great option to travel to Ottawa, with average flight prices from San Francisco averaging around $436.

How far in advance should I book a flight from San Francisco 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 $580 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 $353 on momondo.

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

As of June 2026, prices for San Francisco to Ottawa flights are approximately 45% 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

8h 05m

Direct flights

None
The fastest flight from San Francisco to Ottawa takes 8h 05m
There are no direct flights from San Francisco to Ottawa. There are no popular flight routes from San Francisco to Ottawa.
Search flight deals

Frequently asked questions about flying from San Francisco to Ottawa

  • How far is San Francisco to Ottawa by plane?

    There are 2432.8 mi between San Francisco and Ottawa. Typically, this will take 8h 05m by plane in normal conditions.

  • 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 were last updated today.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
WestJetPriceFrom $274Free CancellationRating
7.2
3,356 reviews
Search WestJet flights
Air CanadaPriceFrom $314Free CancellationRating
7.1
11,151 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $361Free CancellationRating
8.0
438 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $383Free CancellationRating
7.4
9,800 reviews
Search United Airlines flights

Traveling to a place near Ottawa?

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

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?

If you are not ready to book a flight from San Francisco to Ottawa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ottawa and let you know when they change.

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