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Cheap flights from San Francisco to Ottawa from $127

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 4/29. 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
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.
Multiple Airlines Logo
7:40 pm - 9:21 am
SFO
-
YOW
10h 41m
2 stops
Multiple Airlines Logo
6:00 am - 12:10 pm
YOW
-
SFO
9h 10m
1 stop
$289Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
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
$320WestJet
Sat, Jun 6 - Sun, Jun 14
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
$322WestJet
Wed, May 27 - Sun, May 31
WestJet Logo
6:00 am - 5:15 pm
SFO
-
YOW
8h 15m
1 stop
WestJet Logo
6:55 am - 4:40 pm
YOW
-
SFO
12h 45m
2 stops
$324WestJet
Sat, May 30 - Tue, Jun 2
Multiple Airlines Logo
6:45 pm - 2:44 pm
SFO
-
YOW
16h 59m
1 stop
Multiple Airlines Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$325Multiple Airlines
Wed, Apr 22 - Sun, Apr 26
Multiple Airlines Logo
6:00 am - 5:15 pm
SFO
-
YOW
8h 15m
1 stop
Multiple Airlines Logo
7:00 am - 12:20 pm
YOW
-
SFO
8h 20m
1 stop
$334Multiple Airlines
Sat, May 30 - Tue, Jun 2
Multiple Airlines Logo
1:45 pm - 12:41 am
SFO
-
YOW
7h 56m
1 stop
Multiple Airlines Logo
6:00 am - 12:10 pm
YOW
-
SFO
9h 10m
1 stop
$335Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
1:45 pm - 12:41 am
SFO
-
YOW
7h 56m
1 stop
Multiple Airlines Logo
6:00 am - 12:10 pm
YOW
-
SFO
9h 10m
1 stop
$337Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Porter Airlines Logo
1:45 pm - 12:41 am
SFO
-
YOW
7h 56m
1 stop
Porter Airlines Logo
6:45 am - 12:45 pm
YOW
-
SFO
9h 00m
1 stop
$338Porter Airlines
Thu, Apr 16 - Thu, Apr 23
Multiple Airlines Logo
7:40 pm - 12:40 am
SFO
-
YOW
26h 00m
2 stops
Multiple Airlines Logo
6:00 am - 12:10 pm
YOW
-
SFO
9h 10m
1 stop
$340Multiple Airlines
Tue, Apr 14 - Tue, Apr 21

WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets
WestJet
Jun 6
SFO6:05 pmSan Francisco
8h 30m
1 stop
YOW5:35 amOttawa
Jun 14
YOW12:25 pmOttawa
12h 30m
2 stops
SFO9:55 pmSan Francisco
$320
WestJet
May 27
SFO6:00 amSan Francisco
8h 15m
1 stop
YOW5:15 pmOttawa
May 31
YOW12:25 pmOttawa
12h 30m
2 stops
SFO9:55 pmSan Francisco
$322
WestJet
May 30
SFO6:00 amSan Francisco
8h 15m
1 stop
YOW5:15 pmOttawa
Jun 2
YOW6:55 amOttawa
12h 45m
2 stops
SFO4:40 pmSan Francisco
$324

Porter Airlines flights from San Francisco to Ottawa

Our best Porter Airlines deals on San Francisco to Ottawa flight tickets
Porter Airlines
Apr 16
SFO1:45 pmSan Francisco
7h 56m
1 stop
YOW12:41 amOttawa
Apr 23
YOW6:45 amOttawa
9h 00m
1 stop
SFO12:45 pmSan Francisco
$338
Porter Airlines
Apr 2
SFO1:45 pmSan Francisco
7h 56m
1 stop
YOW12:41 amOttawa
Apr 8
YOW6:45 amOttawa
9h 00m
1 stop
SFO12:45 pmSan Francisco
$415
Porter Airlines
Mar 29
SFO1:45 pmSan Francisco
7h 53m
1 stop
YOW12:38 amOttawa
Apr 15
YOW6:45 amOttawa
9h 00m
1 stop
SFO12:45 pmSan Francisco
$423

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 March 3, 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

Tue 4/14

7:40 pm-9:21 am

2 stops10h 41m

Ottawa

Tue 4/21

6:00 am-12:10 pm

1 stop9h 10m

$289

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 6/6

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Sun 6/14

12:25 pm-9:55 pm

2 stops12h 30m

$320

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 5/27

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Sun 5/31

12:25 pm-9:55 pm

2 stops12h 30m

$322

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 5/30

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Tue 6/2

6:55 am-4:40 pm

2 stops12h 45m

$324

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 4/22

6:45 pm-2:44 pm

1 stop16h 59m

Ottawa

Sun 4/26

12:25 pm-9:55 pm

2 stops12h 30m

$325

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 5/30

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Tue 6/2

7:00 am-12:20 pm

1 stop8h 20m

$334

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 4/14

1:45 pm-12:41 am

1 stop7h 56m

Ottawa

Tue 4/21

6:00 am-12:10 pm

1 stop9h 10m

$335

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 4/14

1:45 pm-12:41 am

1 stop7h 56m

Ottawa

Tue 4/21

6:00 am-12:10 pm

1 stop9h 10m

$337

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 4/16

1:45 pm-12:41 am

1 stop7h 56m

Ottawa

Thu 4/23

6:45 am-12:45 pm

1 stop9h 00m

$338

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 4/14

7:40 pm-12:40 am

2 stops26h 00m

Ottawa

Tue 4/21

6:00 am-12:10 pm

1 stop9h 10m

$340

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 $353.

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 $485 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 $315 on momondo.

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

As of March 2026, prices for San Francisco to Ottawa flights are approximately 32% 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 53m

Direct flights

None
The fastest flight from San Francisco to Ottawa takes 7h 53m
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 53m 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 $203Free CancellationRating
8.0
421 reviews
Search Porter Airlines flights
WestJetPriceFrom $269Free CancellationRating
7.2
3,280 reviews
Search WestJet flights
Air CanadaPriceFrom $296Free CancellationRating
7.1
10,770 reviews
Search Air Canada flights
United AirlinesPriceFrom $447Free CancellationRating
7.4
9,378 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
Calabogie
Petawawa
Smiths Falls
Brockville
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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