Cheap flights from San Francisco to Ottawa from C$ 203
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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YOW
3 Aug — 10 Aug1
Round-trip
1 adult
Economy
Cheapflights Tip: The best prices from San Francisco to Ottawa are usually found in February or June, booked 55 days in advance, depart on a Friday or Monday and return on a Thursday
Cheap 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 29 July 2025.
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 29 July 2025.
Tue 9/910:15 a.m.SFO - YOW
2 stops17h 30mMultiple Airlines
Tue 16/912:20 p.m.YOW - SFO
2 stops12h 04mMultiple Airlines
Deal found 27/7C$ 388
Tue 19/812:50 p.m.SFO - YOW
1 stop8h 51mWestJet
Fri 22/812:20 p.m.YOW - SFO
2 stops12h 05mWestJet
Deal found 28/7C$ 425
Tue 19/89:10 p.m.SFO - YOW
1 stop9h 48mUnited Airlines
Fri 22/87:29 p.m.YOW - SFO
1 stop16h 54mUnited Airlines
Deal found 26/7C$ 516
Best flights from San Francisco to Ottawa
Discover carefully curated flight deals from San Francisco to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 July 2025.
Tue 9/910:15 a.m.SFO - YOW
2 stops17h 30mMultiple Airlines
Tue 16/912:20 p.m.YOW - SFO
2 stops12h 04mMultiple Airlines
Deal found 27/7C$ 388
Tue 19/812:50 p.m.SFO - YOW
1 stop8h 51mWestJet
Fri 22/812:20 p.m.YOW - SFO
2 stops12h 05mWestJet
Deal found 28/7C$ 425
Tue 19/89:10 p.m.SFO - YOW
1 stop9h 48mUnited Airlines
Fri 22/87:29 p.m.YOW - SFO
1 stop16h 54mUnited Airlines
Deal found 26/7C$ 516
Last-minute flights from San Francisco to Ottawa
Discover last-minute flight deals from San Francisco to Ottawa. Data last updated 29 July 2025 and is based on user searches.
Tue 5/812:20 a.m.SFO - YOW
1 stop15h 32mUnited Airlines
Wed 13/810:37 a.m.YOW - SFO
1 stop11h 59mUnited Airlines
Deal found 28/7C$ 1,203
Tue 5/87:30 a.m.SFO - YOW
1 stop20h 15mWestJet
Sat 9/87:15 p.m.YOW - SFO
2 stops21h 44mWestJet
Deal found 27/7C$ 1,250
Tue 5/87:40 p.m.SFO - YOW
1 stop9h 39mAir Canada
Sat 9/89:55 p.m.YOW - SFO
1 stop14h 30mAir Canada
Deal found 27/7C$ 1,408
Wed 6/810:15 a.m.SFO - YOW
1 stop25h 29mMultiple Airlines
Wed 13/87:15 p.m.YOW - SFO
2 stops17h 15mMultiple Airlines
Deal found 28/7C$ 919
Tue 19/812:50 p.m.SFO - YOW
1 stop8h 51mMultiple Airlines
Fri 22/87:00 a.m.YOW - SFO
1 stop8h 23mMultiple Airlines
Deal found 26/7C$ 418
Tue 19/812:50 p.m.SFO - YOW
1 stop8h 51mWestJet
Fri 22/812:20 p.m.YOW - SFO
2 stops12h 05mWestJet
Deal found 28/7C$ 425
Tue 19/89:10 p.m.SFO - YOW
1 stop9h 48mUnited Airlines
Fri 22/87:29 p.m.YOW - SFO
1 stop16h 54mUnited Airlines
Deal found 26/7C$ 516
One-way flights from San Francisco to Ottawa
Search for one-way flight options from San Francisco to Ottawa. Find affordable one-way fares based on user searches. Data last updated 29 July 2025.
Sun 12/1010:15 a.m.SFO - YOW
3 stops17h 30mMultiple Airlines
Deal found 28/7C$ 203
Tue 26/89:10 p.m.SFO - YOW
1 stop9h 48mUnited Airlines
Deal found 27/7C$ 221
Mon 18/87:40 p.m.SFO - YOW
1 stop9h 39mAir Canada
Deal found 28/7C$ 235
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 29 July 2025.
Use the filters below to find and compare flights from San Francisco to Ottawa that are best for you.
Fly from
San Francisco
Fly to
Ottawa
Route
Depart
Return
Price
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Tue 9/9
10:15 a.m.-6:45 a.m.
2 stops17h 30m
Ottawa
Tue 16/9
12:20 p.m.-9:24 p.m.
2 stops12h 04m
C$ 388
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Tue 19/8
12:50 p.m.-12:41 a.m.
1 stop8h 51m
Ottawa
Fri 22/8
12:20 p.m.-9:25 p.m.
2 stops12h 05m
C$ 425
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Tue 19/8
9:10 p.m.-9:58 a.m.
1 stop9h 48m
Ottawa
Fri 22/8
7:29 p.m.-9:23 a.m.
1 stop16h 54m
C$ 516
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sun 12/10
10:15 a.m.-6:45 a.m.
3 stops17h 30m
C$ 203
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Tue 26/8
9:10 p.m.-9:58 a.m.
1 stop9h 48m
C$ 221
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Mon 18/8
7:40 p.m.-8:19 a.m.
1 stop9h 39m
C$ 235
Flights are sorted by cheapest round-trip flights first.
Deals found on 28/7
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 25 July 2025.
To ensure you get the cheapest price possible for a flight from San Francisco to Ottawa, you should look to book at least 55 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, October is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of C$ 224). Flying from San Francisco to Ottawa in December is currently the most expensive (average of C$ 326). 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.
What is the cheapest time of day to fly from SFO to YOW?
Find hourly flight availability from San Francisco to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.
A simple way to save on the total cost of your ticket is to fly from San Francisco to Ottawa in the afternoon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the evening.
What’s the top layover airport for flights from San Francisco to Ottawa?
Share of one-stop round-trip flights from San Francisco to Ottawa chosen by Cheapflights users in the past 12 months, using the same layover each way.
Toronto (YYZ) – chosen by Cheapflights users on 63% of one-stop itineraries from San Francisco to Ottawa on Cheapflights.
What’s the cheapest layover airport for flights from San Francisco to Ottawa?
Average round-trip fare for 1-stop flights from San Francisco to Ottawa, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 629.
What’s the fastest layover option from San Francisco to Ottawa?
Shortest average travel time for 1-stop one-way flights from San Francisco to Ottawa, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 2h 54m.
Which airport typically offers the quickest layover for flights from San Francisco to Ottawa?
Average layover duration for 1-stop one-way flights from San Francisco to Ottawa, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 39m.
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 29 July 2025.
See what other customers who have flown with United Airlines,WestJet, andAir Canada 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.
When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
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.
What are the cheapest airlines flying from San Francisco to Ottawa round-trip?
Our cheapest airline available from San Francisco to Ottawa is WestJet. Our recent data shows that you can find tickets from as low as C$ 425 on this airline. An additional option worth looking into is United Airlines, starting at C$ 516. WestJet is 30% cheaper than the average price of flights available within the next 90 days to this destination.
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, October is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of C$ 224). Flying from San Francisco to Ottawa in December is currently the most expensive (average of C$ 326). 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.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 29 July 2025.
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 29 July 2025.
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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