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Cheap flights from San Francisco to Ottawa from $142

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 6/10. 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

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
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$305WestJet
Tue, Jun 2 - Sat, Jun 6
WestJet Logo
6:05 pm - 5:35 am
SFO
-
YOW
8h 30m
1 stop
WestJet Logo
6:55 am - 4:40 pm
YOW
-
SFO
12h 45m
2 stops
$318WestJet
Tue, Jun 2 - Tue, Jun 9
WestJet Logo
6:00 am - 5:15 pm
SFO
-
YOW
8h 15m
1 stop
WestJet Logo
6:00 am - 12:00 pm
YOW
-
SFO
9h 00m
1 stop
$324WestJet
Mon, Jul 13 - Fri, Jul 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
$326WestJet
Tue, Jul 14 - Fri, Jul 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
$328WestJet
Sat, Aug 22 - Sat, Sep 5
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
$334WestJet
Mon, Jul 13 - Wed, Jul 29
WestJet Logo
6:00 am - 5:15 pm
SFO
-
YOW
8h 15m
1 stop
WestJet Logo
6:00 am - 12:00 pm
YOW
-
SFO
9h 00m
1 stop
$335WestJet
Tue, Jul 14 - Wed, Jul 29
WestJet Logo
1:00 pm - 12:40 am
SFO
-
YOW
8h 40m
1 stop
WestJet Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$336WestJet
Tue, Jul 14 - Fri, Jul 24
WestJet Logo
6:00 am - 3:20 pm
SFO
-
YOW
30h 20m
1 stop
WestJet Logo
12:25 pm - 9:55 pm
YOW
-
SFO
12h 30m
2 stops
$337WestJet
Sat, May 16 - Sat, May 23
WestJet Logo
6:05 pm - 5:35 am
SFO
-
YOW
8h 30m
1 stop
WestJet Logo
1:20 pm - 9:55 pm
YOW
-
SFO
11h 35m
1 stop
$339WestJet
Tue, Jun 2 - Sat, Jun 6

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WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets
WestJet
Jun 2
SFO6:05 pmSan Francisco
8h 30m
1 stop
YOW5:35 amOttawa
Jun 6
YOW12:25 pmOttawa
12h 30m
2 stops
SFO9:55 pmSan Francisco
$305
WestJet
Jun 2
SFO6:05 pmSan Francisco
8h 30m
1 stop
YOW5:35 amOttawa
Jun 9
YOW6:55 amOttawa
12h 45m
2 stops
SFO4:40 pmSan Francisco
$318
WestJet
Jul 13
SFO6:00 amSan Francisco
8h 15m
1 stop
YOW5:15 pmOttawa
Jul 24
YOW6:00 amOttawa
9h 00m
1 stop
SFO12:00 pmSan Francisco
$324

Air Canada flights from San Francisco to Ottawa

Our best Air Canada deals on San Francisco to Ottawa flight tickets
Air Canada
Apr 27
SFO10:50 pmSan Francisco
12h 09m
1 stop
YOW1:59 pmOttawa
May 1
YOW5:25 pmOttawa
8h 18m
1 stop
SFO10:43 pmSan Francisco
$871
Air Canada
Apr 27
SFO8:30 amSan Francisco
8h 06m
1 stop
YOW7:36 pmOttawa
May 1
YOW6:00 amOttawa
8h 25m
1 stop
SFO11:25 amSan Francisco
$971

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 April 21, 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

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 6/2

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Sat 6/6

12:25 pm-9:55 pm

2 stops12h 30m

$305

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 6/2

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Tue 6/9

6:55 am-4:40 pm

2 stops12h 45m

$318
Quickest round-trip

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 7/13

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Fri 7/24

6:00 am-12:00 pm

1 stop9h 00m

$324

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 7/14

1:00 pm-12:40 am

1 stop8h 40m

Ottawa

Fri 7/24

6:00 am-12:00 pm

1 stop9h 00m

$326

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 8/22

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Sat 9/5

12:25 pm-9:55 pm

2 stops12h 30m

$328

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 7/13

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Wed 7/29

6:00 am-12:00 pm

1 stop9h 00m

$334

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 7/14

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Wed 7/29

6:00 am-12:00 pm

1 stop9h 00m

$335

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 7/14

1:00 pm-12:40 am

1 stop8h 40m

Ottawa

Fri 7/24

12:25 pm-9:55 pm

2 stops12h 30m

$336

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 5/16

6:00 am-3:20 pm

1 stop30h 20m

Ottawa

Sat 5/23

12:25 pm-9:55 pm

2 stops12h 30m

$337

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 6/2

6:05 pm-5:35 am

1 stop8h 30m

Ottawa

Sat 6/6

1:20 pm-9:55 pm

1 stop11h 35m

$339

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, September 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 $393. The month of February is another great option to travel to Ottawa, with average flight prices from San Francisco averaging around $422.

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 $544 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 April 2026, prices for San Francisco to Ottawa flights are approximately 36% 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 15m

Direct flights

None
The fastest flight from San Francisco to Ottawa takes 8h 15m
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 15m 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
3,323 reviews
Search WestJet flights
Air CanadaPriceFrom $324Free CancellationRating
7.1
10,950 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $348Free CancellationRating
8.0
435 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $402Free CancellationRating
7.4
9,616 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
Petawawa
Smiths Falls
Brockville
Calabogie
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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