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Cheap flights from San Francisco to Ottawa from C$ 212

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YOW
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Ottawa
Explore the most affordable flight options available from San Francisco to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Wed 17/66:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Tue 23/66:55 a.m.
YOW
-
SFO
2 stops12h 45m
WestJet
Deal found 5/3C$ 497
Wed 17/66:05 p.m.
SFO
-
YOW
1 stop8h 30m
Multiple Airlines
Tue 23/67:00 a.m.
YOW
-
SFO
1 stop8h 20m
Multiple Airlines
Deal found 5/3C$ 502
Thu 23/41:45 p.m.
SFO
-
YOW
1 stop7h 56m
Multiple Airlines
Thu 30/412:25 p.m.
YOW
-
SFO
2 stops12h 30m
Multiple Airlines
Deal found 9/3C$ 503
Fri 15/56:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Sun 17/51:20 p.m.
YOW
-
SFO
1 stop11h 35m
WestJet
Deal found 7/3C$ 512
Thu 16/41:45 p.m.
SFO
-
YOW
1 stop7h 56m
Multiple Airlines
Tue 21/45:40 a.m.
YOW
-
SFO
1 stop10h 05m
Multiple Airlines
Deal found 5/3C$ 521
Fri 10/41:45 p.m.
SFO
-
YOW
1 stop7h 56m
Multiple Airlines
Mon 27/412:25 p.m.
YOW
-
SFO
2 stops12h 30m
Multiple Airlines
Deal found 6/3C$ 544
Mon 30/310:48 p.m.
SFO
-
YOW
2 stops39h 25m
Multiple Airlines
Thu 9/46:45 a.m.
YOW
-
SFO
1 stop9h 00m
Multiple Airlines
Deal found 6/3C$ 548
Mon 30/310:48 p.m.
SFO
-
YOW
2 stops39h 25m
Multiple Airlines
Fri 10/46:00 a.m.
YOW
-
SFO
1 stop9h 10m
Multiple Airlines
Deal found 6/3C$ 554

Find flight deals from San Francisco to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 March 2026.

Round-trip from

C$ 497

One-way from

C$ 212

Popular in

December

Cheapest in

June

Average price

C$ 590
WestJet
  • WestJet
  • 17/6-23/6
  • 3 total stops
  • 21h 15m total
  • San Francisco to Ottawa
Search Deals
WestJet
  • WestJet
  • 25/5
  • 1 total stop
  • 8h 30m total
  • San Francisco to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 10 March 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

Fri 15/5

6:00 a.m.-5:15 p.m.

1 stop8h 15m

Ottawa

Sun 17/5

1:20 p.m.-9:55 p.m.

1 stop11h 35m

C$ 512

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 16/4

1:45 p.m.-12:41 a.m.

1 stop7h 56m

Ottawa

Tue 21/4

7:00 a.m.-5:34 p.m.

2 stops37h 34m

C$ 526

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 19/4

1:00 p.m.-12:40 a.m.

1 stop8h 40m

Ottawa

Wed 22/4

6:45 a.m.-12:45 p.m.

1 stop9h 00m

C$ 554

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 12/5

6:00 a.m.-12:20 a.m.

2 stops39h 20m

Ottawa

Mon 18/5

6:55 a.m.-12:00 p.m.

2 stops32h 05m

C$ 640

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 29/4

1:00 p.m.-5:15 p.m.

1 stop25h 15m

Ottawa

Fri 1/5

4:15 p.m.-12:00 p.m.

1 stop22h 45m

C$ 645

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 16/4

1:45 p.m.-12:41 a.m.

1 stop7h 56m

Ottawa

Mon 20/4

5:40 a.m.-6:00 p.m.

3 stops15h 20m

C$ 683
Quickest round-trip

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 1/4

1:45 p.m.-12:41 a.m.

1 stop7h 56m

Ottawa

Wed 8/4

6:45 a.m.-12:45 p.m.

1 stop9h 00m

C$ 721

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 1/4

1:45 p.m.-12:41 a.m.

1 stop7h 56m

Ottawa

Mon 6/4

6:45 p.m.-9:30 a.m.

1 stop17h 45m

C$ 775

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 17/4

1:45 p.m.-12:41 a.m.

1 stop7h 56m

Ottawa

Sun 19/4

6:45 a.m.-12:45 p.m.

1 stop9h 00m

C$ 801

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 31/3

8:00 a.m.-12:39 a.m.

2 stops13h 39m

Ottawa

Thu 9/4

5:40 a.m.-7:28 p.m.

2 stops16h 48m

C$ 848

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from San Francisco to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Ottawa

How far ahead should I book a flight from San Francisco to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Ottawa. Price data was last updated on 6 March 2026.

To ensure you get the cheapest price possible for a flight from San Francisco to Ottawa, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Francisco to Ottawa?

Currently, September is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of C$ 193). Flying from San Francisco to Ottawa in November is currently the most expensive (average of C$ 444). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 10 March 2026.
See what other customers who have flown with Porter Airlines from San Francisco to Ottawa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.0

Food

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
423 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.0

Food

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Francisco to Ottawa?

    Airlines like WestJet fly from San Francisco to Ottawa in about 8h 15m. The time it takes to get you to your destination can typically vary by up to . The distance between San Francisco and Ottawa is about 3925 km.

  • What is the cheapest airline to fly from San Francisco to Ottawa round-trip?

    Our cheapest airline available from San Francisco to Ottawa is Porter Airlines. Our recent data shows that you can find tickets from as low as C$ 193 on this airline. Porter Airlines is 72% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to Ottawa one-way?

    One-way options have recently been found by users for as low as C$ 170 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 193 and Porter Airlines from C$ 213 one-way.

  • Can I find deals for flights from San Francisco to Ottawa that include hotel bookings?

    Yes. In addition to deals on San Francisco to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Ottawa.

  • Can I find deals for business class flights from San Francisco to Ottawa?

    Yes. Cheapflights offers flight deals from San Francisco to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Ottawa?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of C$ 193). Flying from San Francisco to Ottawa in November is currently the most expensive (average of C$ 444). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Perth
Wakefield
Pembroke
Smiths Falls

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Alternative routes for San Francisco to Ottawa

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Top airline flying from San Francisco to Ottawa

Discover the top airline that operate flights from San Francisco to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 193AverageC$ 517FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Ottawa?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Ottawa?

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to Ottawa for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Francisco to Ottawa with no change fees?

Yes, we can. To see specific flights from San Francisco to Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Francisco to Ottawa become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ottawa from San Francisco today and book when prices fit your budget.

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