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Cheap flights from San Francisco to Ottawa from $118

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 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
WestJet Logo
12:50 pm - 5:28 amSFO-YOW
13h 38m2 stops
WestJet Logo
6:15 am - 5:14 pmYOW-SFO
13h 59m2 stops
$277WestJet
Find Deal
Thu, May 14 - Mon, May 18
WestJet Logo
12:50 pm - 12:40 amSFO-YOW
8h 50m1 stop
WestJet Logo
6:15 am - 5:14 pmYOW-SFO
13h 59m2 stops
$284WestJet
Find Deal
Thu, May 14 - Mon, May 18
WestJet Logo
12:50 pm - 12:40 amSFO-YOW
8h 50m1 stop
WestJet Logo
6:00 am - 11:54 amYOW-SFO
8h 54m1 stop
$291WestJet
Find Deal
Thu, May 14 - Mon, May 18
WestJet Logo
1:00 pm - 12:40 amSFO-YOW
8h 40m1 stop
WestJet Logo
5:45 pm - 12:12 pmYOW-SFO
21h 27m1 stop
$303WestJet
Find Deal
Fri, Jan 16 - Wed, Jan 21
WestJet Logo
1:00 pm - 12:42 amSFO-YOW
32h 42m2 stops
WestJet Logo
6:00 am - 12:12 pmYOW-SFO
9h 12m1 stop
$308WestJet
Find Deal
Tue, Jan 13 - Tue, Jan 20
Air Canada Logo
6:00 pm - 6:43 amSFO-YOW
9h 43m1 stop
Air Canada Logo
7:45 am - 3:35 pmYOW-SFO
10h 50m1 stop
$322Air Canada
Find Deal
Sat, Jan 17 - Wed, Jan 21
Air Canada Logo
6:00 pm - 6:43 amSFO-YOW
9h 43m1 stop
Air Canada Logo
4:15 pm - 9:39 pmYOW-SFO
8h 24m1 stop
$328Air Canada
Find Deal
Mon, Jan 26 - Sat, Feb 7
WestJet Logo
1:00 pm - 12:42 amSFO-YOW
32h 42m2 stops
WestJet Logo
5:40 am - 12:12 pmYOW-SFO
33h 32m2 stops
$339WestJet
Find Deal
Fri, Jan 16 - Wed, Jan 21
Air Canada Logo
6:00 pm - 6:43 amSFO-YOW
9h 43m1 stop
Air Canada Logo
5:35 pm - 10:34 amYOW-SFO
19h 59m2 stops
$346Air Canada
Find Deal
Sat, Jan 17 - Wed, Jan 21
Air Canada Logo
6:00 pm - 3:00 pmSFO-YOW
18h 00m2 stops
Air Canada Logo
2:50 pm - 9:22 pmYOW-SFO
9h 32m1 stop
$353Air Canada
Find Deal
Mon, Jan 12 - Wed, Feb 11

Porter Airlines flights from San Francisco to Ottawa

Our best Porter Airlines deals on San Francisco to Ottawa flight tickets
Porter Airlines
Feb 2
SFO1:40 pmSan Francisco
8h 03m
1 stop
YOW12:43 amOttawa
Mar 4
YOW6:45 amOttawa
8h 55m
1 stop
SFO12:40 pmSan Francisco
$451
Find similar
Porter Airlines
Jan 12
SFO1:40 pmSan Francisco
8h 03m
1 stop
YOW12:43 amOttawa
Feb 11
YOW6:45 amOttawa
8h 55m
1 stop
SFO12:40 pmSan Francisco
$465
Find similar
Porter Airlines
Jan 26
SFO1:40 pmSan Francisco
8h 03m
1 stop
YOW12:43 amOttawa
Feb 7
YOW6:45 amOttawa
8h 55m
1 stop
SFO12:40 pmSan Francisco
$486
Find similar

Delta flights from San Francisco to Ottawa

Our best Delta deals on San Francisco to Ottawa flight tickets
Delta
Jan 17
SFO5:45 amSan Francisco
15h 57m
2 stops
YOW12:42 amOttawa
Jan 21
YOW5:40 amOttawa
15h 58m
2 stops
SFO6:38 pmSan Francisco
$474
Find similar
Delta
Jan 15
SFO1:00 pmSan Francisco
8h 40m
1 stop
YOW12:40 amOttawa
Jan 18
YOW5:40 amOttawa
15h 58m
2 stops
SFO6:38 pmSan Francisco
$535
Find similar
Delta
Jan 26
SFO5:45 amSan Francisco
15h 57m
2 stops
YOW12:42 amOttawa
Feb 7
YOW5:40 amOttawa
19h 15m
2 stops
SFO9:55 pmSan Francisco
$725
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 December 2, 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

Thu 5/14

12:50 pm-5:28 am

2 stops13h 38m

Ottawa

Mon 5/18

6:15 am-5:14 pm

2 stops13h 59m

$277

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 5/14

12:50 pm-12:40 am

1 stop8h 50m

Ottawa

Mon 5/18

6:15 am-5:14 pm

2 stops13h 59m

$284

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 5/14

12:50 pm-12:40 am

1 stop8h 50m

Ottawa

Mon 5/18

6:00 am-11:54 am

1 stop8h 54m

$291

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 1/16

1:00 pm-12:40 am

1 stop8h 40m

Ottawa

Wed 1/21

5:45 pm-12:12 pm

1 stop21h 27m

$303

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 1/13

1:00 pm-12:42 am

2 stops32h 42m

Ottawa

Tue 1/20

6:00 am-12:12 pm

1 stop9h 12m

$308

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 1/17

6:00 pm-6:43 am

1 stop9h 43m

Ottawa

Wed 1/21

7:45 am-3:35 pm

1 stop10h 50m

$322

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 1/26

6:00 pm-6:43 am

1 stop9h 43m

Ottawa

Sat 2/7

4:15 pm-9:39 pm

1 stop8h 24m

$328

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 1/16

1:00 pm-12:42 am

2 stops32h 42m

Ottawa

Wed 1/21

5:40 am-12:12 pm

2 stops33h 32m

$339

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 1/17

6:00 pm-6:43 am

1 stop9h 43m

Ottawa

Wed 1/21

5:35 pm-10:34 am

2 stops19h 59m

$346

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 1/12

6:00 pm-3:00 pm

2 stops18h 00m

Ottawa

Wed 2/11

2:50 pm-9:22 pm

1 stop9h 32m

$353

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 $468 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 $325 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 21% 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 01m

Direct flights

None
The fastest flight from San Francisco to Ottawa takes 8h 01m
There are no direct flights from San Francisco to Ottawa. There are no popular flight routes from San Francisco to Ottawa.
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  • How far is San Francisco to Ottawa by plane?

    There are 2433.0 mi between San Francisco and Ottawa. Typically, this will take 7h 48m 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
394 reviews
Search Porter Airlines flights
WestJetPriceFrom $269Free CancellationRating
7.2
3,187 reviews
Search WestJet flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
Air CanadaPriceFrom $305Free CancellationRating
7.1
10,495 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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