Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Ottawa from $154

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 12/2. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
10:15 am - 2:44 pmSFO-YOW
25h 29m1 stop
Multiple Airlines Logo
6:45 pm - 9:30 amYOW-SFO
17h 45m1 stop
$325Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
10:15 am - 12:42 amSFO-YOW
35h 27m3 stops
Multiple Airlines Logo
6:45 pm - 9:30 amYOW-SFO
17h 45m1 stop
$353Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
10:15 am - 2:44 pmSFO-YOW
25h 29m1 stop
Multiple Airlines Logo
7:15 pm - 12:12 pmYOW-SFO
19h 57m2 stops
$377Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
1:00 pm - 12:40 amSFO-YOW
8h 40m1 stop
Multiple Airlines Logo
6:45 am - 12:40 pmYOW-SFO
8h 55m1 stop
$380Multiple Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
Porter Airlines Logo
1:40 pm - 12:41 amSFO-YOW
8h 01m1 stop
Porter Airlines Logo
6:45 am - 12:40 pmYOW-SFO
8h 55m1 stop
$416Porter Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
WestJet Logo
1:00 pm - 6:21 pmSFO-YOW
26h 21m2 stops
WestJet Logo
7:15 pm - 12:12 pmYOW-SFO
19h 57m2 stops
$429WestJet
Find Deal
Thu, Dec 4 - Mon, Dec 8
WestJet Logo
1:00 pm - 6:21 pmSFO-YOW
26h 21m2 stops
WestJet Logo
5:45 pm - 12:12 pmYOW-SFO
21h 27m1 stop
$432WestJet
Find Deal
Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
6:00 am - 12:41 amSFO-YOW
15h 41m2 stops
American Airlines Logo
6:45 am - 12:47 amYOW-SFO
21h 02m2 stops
$515American Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
American Airlines Logo
12:17 am - 4:51 pmSFO-YOW
13h 34m2 stops
American Airlines Logo
6:45 am - 10:25 pmYOW-SFO
18h 40m2 stops
$571American Airlines
Find Deal
Sat, Jan 24 - Thu, Feb 12
Porter Airlines Logo
1:40 pm - 12:39 amSFO-YOW
7h 59m1 stop
Porter Airlines Logo
6:45 am - 12:40 pmYOW-SFO
8h 55m1 stop
$667Porter Airlines
Find Deal
Mon, Nov 17 - Thu, Nov 20

Porter Airlines flights from San Francisco to Ottawa

Our best Porter Airlines deals on San Francisco to Ottawa flight tickets
Porter Airlines
Jan 12
SFO1:40 pmSan Francisco
8h 01m
1 stop
YOW12:41 amOttawa
Jan 21
YOW6:45 amOttawa
8h 55m
1 stop
SFO12:40 pmSan Francisco
$416
Find similar
Porter Airlines
Nov 17
SFO1:40 pmSan Francisco
7h 59m
1 stop
YOW12:39 amOttawa
Nov 20
YOW6:45 amOttawa
8h 55m
1 stop
SFO12:40 pmSan Francisco
$667
Find similar

WestJet flights from San Francisco to Ottawa

Our best WestJet deals on San Francisco to Ottawa flight tickets
WestJet
Dec 4
SFO1:00 pmSan Francisco
26h 21m
2 stops
YOW6:21 pmOttawa
Dec 8
YOW7:15 pmOttawa
19h 57m
2 stops
SFO12:12 pmSan Francisco
$429
Find similar
WestJet
Dec 4
SFO1:00 pmSan Francisco
26h 21m
2 stops
YOW6:21 pmOttawa
Dec 8
YOW5:45 pmOttawa
21h 27m
1 stop
SFO12:12 pmSan Francisco
$432
Find similar
WestJet
Dec 4
SFO1:00 pmSan Francisco
26h 21m
2 stops
YOW6:21 pmOttawa
Dec 8
YOW5:45 pmOttawa
21h 27m
1 stop
SFO12:12 pmSan Francisco
$443
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 November 3, 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 12/4

10:15 am-2:44 pm

1 stop25h 29m

Ottawa

Mon 12/8

6:45 pm-9:30 am

1 stop17h 45m

$325

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 12/4

10:15 am-12:42 am

3 stops35h 27m

Ottawa

Mon 12/8

6:45 pm-9:30 am

1 stop17h 45m

$353

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 12/4

10:15 am-2:44 pm

1 stop25h 29m

Ottawa

Mon 12/8

7:15 pm-12:12 pm

2 stops19h 57m

$377

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 12/11

1:00 pm-12:40 am

1 stop8h 40m

Ottawa

Mon 12/15

6:45 am-12:40 pm

1 stop8h 55m

$380

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 1/12

1:40 pm-12:41 am

1 stop8h 01m

Ottawa

Wed 1/21

6:45 am-12:40 pm

1 stop8h 55m

$416

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 12/4

1:00 pm-6:21 pm

2 stops26h 21m

Ottawa

Mon 12/8

7:15 pm-12:12 pm

2 stops19h 57m

$429

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 12/4

1:00 pm-6:21 pm

2 stops26h 21m

Ottawa

Mon 12/8

5:45 pm-12:12 pm

1 stop21h 27m

$432

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 1/12

6:00 am-12:41 am

2 stops15h 41m

Ottawa

Wed 1/21

6:45 am-12:47 am

2 stops21h 02m

$515

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 1/24

12:17 am-4:51 pm

2 stops13h 34m

Ottawa

Thu 2/12

6:45 am-10:25 pm

2 stops18h 40m

$571

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 11/17

1:40 pm-12:39 am

1 stop7h 59m

Ottawa

Thu 11/20

6:45 am-12:40 pm

1 stop8h 55m

$667

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $464 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 November 2025, prices for San Francisco to Ottawa flights are approximately 19% 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

Direct flights

None
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 59m 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
384 reviews
Search Porter Airlines flights
WestJetPriceFrom $269Free CancellationRating
7.2
3,153 reviews
Search WestJet flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
Air CanadaPriceFrom $304Free CancellationRating
7.1
10,394 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
Smiths Falls
Calabogie
Brockville
Petawawa
Pembroke
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.

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/3
Wed 12/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada