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Cheap flights from San Francisco to Ottawa from $148

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 1/19. 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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0 bags

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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
12:50 pm - 12:40 am
SFO
-
YOW
8h 50m1 stop
WestJet Logo
6:00 am - 11:54 am
YOW
-
SFO
8h 54m1 stop
$242WestJet
to, Touko 14 - ti, Touko 26
Multiple Airlines Logo
12:50 pm - 5:28 am
SFO
-
YOW
13h 38m2 stops
Multiple Airlines Logo
7:00 am - 12:23 pm
YOW
-
SFO
8h 23m1 stop
$254Multiple Airlines
to, Touko 14 - ti, Touko 26
Multiple Airlines Logo
6:05 pm - 6:55 am
SFO
-
YOW
9h 50m1 stop
Multiple Airlines Logo
7:00 am - 12:23 pm
YOW
-
SFO
8h 23m1 stop
$258Multiple Airlines
to, Touko 14 - ti, Touko 26
Multiple Airlines Logo
1:45 pm - 12:43 am
SFO
-
YOW
7h 58m1 stop
Multiple Airlines Logo
6:00 am - 12:12 pm
YOW
-
SFO
9h 12m1 stop
$259Multiple Airlines
ti, tammi 13 - pe, tammi 16
Multiple Airlines Logo
1:45 pm - 12:43 am
SFO
-
YOW
7h 58m1 stop
Multiple Airlines Logo
6:00 am - 12:10 pm
YOW
-
SFO
9h 10m1 stop
$260Multiple Airlines
ma, helmi 2 - ma, helmi 9
Porter Airlines Logo
1:45 pm - 12:43 am
SFO
-
YOW
7h 58m1 stop
Porter Airlines Logo
6:45 am - 12:45 pm
YOW
-
SFO
9h 00m1 stop
$278Porter Airlines
ma, tammi 26 - la, helmi 7
Porter Airlines Logo
1:45 pm - 12:43 am
SFO
-
YOW
7h 58m1 stop
Porter Airlines Logo
6:45 am - 12:43 pm
YOW
-
SFO
8h 58m1 stop
$279Porter Airlines
ti, tammi 13 - ti, tammi 20
WestJet Logo
1:00 pm - 12:40 am
SFO
-
YOW
8h 40m1 stop
WestJet Logo
6:00 am - 12:10 pm
YOW
-
SFO
9h 10m1 stop
$280WestJet
pe, tammi 16 - ti, maalis 24
WestJet Logo
1:00 pm - 12:42 am
SFO
-
YOW
32h 42m2 stops
WestJet Logo
6:00 am - 12:12 pm
YOW
-
SFO
9h 12m1 stop
$286WestJet
ti, tammi 13 - pe, tammi 16
Porter Airlines Logo
1:45 pm - 12:43 am
SFO
-
YOW
7h 58m1 stop
Porter Airlines Logo
6:45 am - 12:45 pm
YOW
-
SFO
9h 00m1 stop
$287Porter Airlines
ma, helmi 2 - ke, maalis 4

WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets
WestJet
May 14
SFO12:50 pmSan Francisco
8h 50m
1 stop
YOW12:40 amOttawa
May 26
YOW6:00 amOttawa
8h 54m
1 stop
SFO11:54 amSan Francisco
$242
Find similar
WestJet
Jan 16
SFO1:00 pmSan Francisco
8h 40m
1 stop
YOW12:40 amOttawa
Mar 24
YOW6:00 amOttawa
9h 10m
1 stop
SFO12:10 pmSan Francisco
$280
Find similar
WestJet
Jan 13
SFO1:00 pmSan Francisco
32h 42m
2 stops
YOW12:42 amOttawa
Jan 16
YOW6:00 amOttawa
9h 12m
1 stop
SFO12:12 pmSan Francisco
$286
Find similar

Porter Airlines flights from San Francisco to Ottawa

Our best Porter Airlines deals on San Francisco to Ottawa flight tickets
Porter Airlines
Jan 26
SFO1:45 pmSan Francisco
7h 58m
1 stop
YOW12:43 amOttawa
Feb 7
YOW6:45 amOttawa
9h 00m
1 stop
SFO12:45 pmSan Francisco
$278
Find similar
Porter Airlines
Jan 13
SFO1:45 pmSan Francisco
7h 58m
1 stop
YOW12:43 amOttawa
Jan 20
YOW6:45 amOttawa
8h 58m
1 stop
SFO12:43 pmSan Francisco
$279
Find similar
Porter Airlines
Feb 2
SFO1:45 pmSan Francisco
7h 58m
1 stop
YOW12:43 amOttawa
Mar 4
YOW6:45 amOttawa
9h 00m
1 stop
SFO12:45 pmSan Francisco
$287
Find similar

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 joulukuu 21, 2025.
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

to 5/14

12:50 pm-12:40 am

1 stop8h 50m

Ottawa

ti 5/26

6:00 am-11:54 am

1 stop8h 54m

$242

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

to 5/14

12:50 pm-5:28 am

2 stops13h 38m

Ottawa

ti 5/26

7:00 am-12:23 pm

1 stop8h 23m

$254

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

to 5/14

6:05 pm-6:55 am

1 stop9h 50m

Ottawa

ti 5/26

7:00 am-12:23 pm

1 stop8h 23m

$258

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

ti 1/13

1:45 pm-12:43 am

1 stop7h 58m

Ottawa

pe 1/16

6:00 am-12:12 pm

1 stop9h 12m

$259

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

ma 2/2

1:45 pm-12:43 am

1 stop7h 58m

Ottawa

ma 2/9

6:00 am-12:10 pm

1 stop9h 10m

$260

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

ma 1/26

1:45 pm-12:43 am

1 stop7h 58m

Ottawa

la 2/7

6:45 am-12:45 pm

1 stop9h 00m

$278

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

ti 1/13

1:45 pm-12:43 am

1 stop7h 58m

Ottawa

ti 1/20

6:45 am-12:43 pm

1 stop8h 58m

$279

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

pe 1/16

1:00 pm-12:40 am

1 stop8h 40m

Ottawa

ti 3/24

6:00 am-12:10 pm

1 stop9h 10m

$280

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

ti 1/13

1:00 pm-12:42 am

2 stops32h 42m

Ottawa

pe 1/16

6:00 am-12:12 pm

1 stop9h 12m

$286

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

ma 2/2

1:45 pm-12:43 am

1 stop7h 58m

Ottawa

ke 3/4

6:45 am-12:45 pm

1 stop9h 00m

$287

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?

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 $337. The month of June is another great option to travel to Ottawa, with average flight prices from San Francisco averaging around $337.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from San Francisco to Ottawa is on a Wednesday. Travelers who choose to depart for Ottawa on a Wednesday will often find tickets for as low as $558. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Sunday is $678.

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

In the afternoon is the cheapest time of day to fly from San Francisco to Ottawa when you can find flight prices for as low as $477. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $623 on average. Flights to Ottawa from San Francisco in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $473 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 $318 on momondo.

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

As of December 2025, prices for San Francisco to Ottawa flights are approximately 35% 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?

    There are 2433.0 mi between San Francisco and Ottawa. Typically, this will take 7h 58m 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
Porter AirlinesPriceFrom $255Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights
WestJetPriceFrom $269Free CancellationRating
7.2
3,209 reviews
Search WestJet flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
9,101 reviews
Search United Airlines flights
Air CanadaPriceFrom $308Free CancellationRating
7.1
10,550 reviews
Search Air Canada flights

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Brockville
Calabogie
Petawawa
Smiths Falls
Perth
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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ti 1/20
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