$134+ Cheap flights from San Francisco (SFO) to Ottawa (YOW)
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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YOW
Jan 11 — Jan 181
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Francisco to Ottawa with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Ottawa are usually found in February or June, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from San Francisco to Ottawa
Cheapest flights from San Francisco to OttawaExplore 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 December 12, 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 December 12, 2025.
This Trip.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSFO - YOW
1 stop8h 01mMultiple Airlines
Thu 1/156:00 amYOW - SFO
1 stop9h 12mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:15 amSFO - YOW
1 stop25h 29mMultiple Airlines
Sat 1/35:40 amYOW - SFO
2 stops29h 08mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$866
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:19 pmSFO - YOW
2 stops25h 06mMultiple Airlines
Tue 12/236:00 amYOW - SFO
1 stop9h 12mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$986
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:05 pmSFO - YOW
1 stop15h 13mUnited Airlines
Sat 1/37:27 pmYOW - SFO
1 stop17h 15mUnited Airlines
Deal found 12/11![United Airlines logo]()
$1,040
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:49 pmSFO - YOW
3 stops15h 02mAmerican Airlines
Thu 1/156:45 amYOW - SFO
3 stops16h 25mAmerican Airlines
Deal found 12/10![American Airlines logo]()
$1,066
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:50 pmSFO - YOW
2 stops17h 28mUnited Airlines
Tue 12/2312:05 pmYOW - SFO
2 stops12h 15mUnited Airlines
Deal found 12/10![United Airlines logo]()
$1,223
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:49 pmSFO - YOW
2 stops22h 52mAmerican Airlines
Sat 1/310:00 amYOW - SFO
2 stops12h 44mAmerican Airlines
Deal found 12/11![American Airlines logo]()
$1,228
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:49 pmSFO - YOW
2 stops22h 52mAmerican Airlines
Tue 12/239:10 amYOW - SFO
3 stops16h 48mAmerican Airlines
Deal found 12/10![American Airlines logo]()
$1,248
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 December 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $297 (Vliegwinkel) |
One-way from | $134 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $765 |
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 2,558,603 searches. Data last updated December 12, 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
Sun 1/25
1:00 pm-12:40 am
1 stop8h 40m
Ottawa
Thu 1/29
6:00 am-12:12 pm
1 stop9h 12m
$297
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 1/16
1:00 pm-12:40 am
1 stop8h 40m
Ottawa
Thu 1/22
6:00 am-12:12 pm
1 stop9h 12m
$311
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Tue 1/13
1:40 pm-12:43 am
1 stop8h 03m
Ottawa
Tue 1/20
6:00 am-12:12 pm
1 stop9h 12m
$343
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Thu 1/8
5:44 pm-5:13 pm
2 stops20h 29m
Ottawa
Thu 1/15
6:00 am-12:12 pm
1 stop9h 12m
$350
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
$355
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Wed 1/14
2:24 pm-5:13 pm
2 stops23h 49m
Ottawa
Sat 1/24
5:40 am-12:38 pm
1 stop9h 58m
$364
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Mon 1/26
1:40 pm-12:43 am
1 stop8h 03m
Ottawa
Sat 2/7
6:45 am-12:40 pm
1 stop8h 55m
$378
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Wed 1/7
7:00 am-5:25 pm
1 stop31h 25m
Ottawa
Wed 1/14
6:55 pm-12:12 pm
1 stop20h 17m
$457
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sun 1/25
10:15 am-6:21 pm
3 stops29h 06m
$134
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sun 1/11
9:48 pm-12:42 am
3 stops23h 54m
$150
Showing 1-10 of 15 results
Compare providers for flights from San Francisco to Ottawa
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Ottawa in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Ottawa flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Ottawa flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Francisco-Ottawa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Ottawa flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 December 5, 2025.
The price you pay for your flight from San Francisco to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 $142). Flying from San Francisco to Ottawa in November is currently the most expensive (average of $327). 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 December 12, 2025.
One of the essential ways to save on airfare from San Francisco to Ottawa is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.
What is the cheapest day to fly from San Francisco to Ottawa?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Ottawa. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Francisco to Ottawa flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 December 12, 2025.
Get a feel of what it's like to fly with Porter Airlines, United Airlines, and WestJet from San Francisco to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Comfort
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Comfort
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Comfort
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Comfort
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
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.
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
Petawawa
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for San Francisco to Ottawa
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from San Francisco to Ottawa
Discover the top 4 airlines 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 2,558,603 searches. Data last updated December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$255 | Average$366 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$269 | Average$414 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$281 | Average$571 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$307 | Average$458 | FlexibilityNo cancel fee | On-time67% |