$219+ Cheap flights from Ottawa (YOW) to San Francisco (SFO)
This is the cheapest round-trip 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.
YOW — SFO
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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Find cheap flights from Ottawa to San Francisco with Cheapflights
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ottawa to San Francisco
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Best
Last-minute
One-way
Cheapest flights from Ottawa to San FranciscoExplore the most affordable flight options available from Ottawa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
Explore the most affordable flight options available from Ottawa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
This Booking.com deal was found by Cheapflights users on 10/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:30 am -
2 stops13h 20m
Thu 11/264:40 pm -
1 stop28h 00m
Deal found 10/9![WestJet logo]()
$369
This Gotogate deal was found by Cheapflights users on 10/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 am -
1 stop8h 44m
Thu 11/261:45 pm -
1 stop7h 52m
Deal found 10/12![Porter Airlines logo]()
$376
This Justfly.com deal was found by Cheapflights users on 10/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop8h 44m
Mon 11/91:45 pm -
1 stop7h 52m
Deal found 10/10![Porter Airlines logo]()
$378
This FlightHub deal was found by Cheapflights users on 10/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am -
1 stop8h 44m
Sun 2/281:45 pm -
1 stop8h 05m
Deal found 10/12![Porter Airlines logo]()
$382
This Trip.com deal was found by Cheapflights users on 10/8. 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.
Wed 11/187:00 am -
1 stop8h 44m
Sat 11/281:45 pm -
1 stop7h 52m
Deal found 10/8![Porter Airlines logo]()
$394
This Trip.com deal was found by Cheapflights users on 10/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
1 stop8h 44m
Sat 11/141:45 pm -
1 stop7h 52m
Deal found 10/11![Porter Airlines logo]()
$395
This Trip.com deal was found by Cheapflights users on 10/10. 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.
Fri 11/67:00 am -
1 stop8h 44m
Sun 11/81:45 pm -
1 stop7h 52m
Deal found 10/10![Porter Airlines logo]()
$409
This Porter Airlines deal was found by Cheapflights users on 10/11. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop8h 45m
Tue 11/31:45 pm -
1 stop7h 52m
Deal found 10/11![Porter Airlines logo]()
$423
This Trip.com deal was found by Cheapflights users on 10/8. 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.
Mon 12/215:30 am -
2 stops13h 20m
Thu 1/74:40 pm -
1 stop28h 00m
Deal found 10/8![WestJet logo]()
$434
Best flights from Ottawa to San FranciscoDiscover carefully curated flight deals from Ottawa to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
Discover carefully curated flight deals from Ottawa to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
This Porter Airlines deal was found by Cheapflights users on 10/11. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop8h 45m
Tue 11/31:45 pm -
1 stop7h 52m
Deal found 10/11![Porter Airlines logo]()
$423
This Air Transat deal was found by Cheapflights users on 10/11. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop8h 45m
Wed 11/41:45 pm -
1 stop7h 52m
Deal found 10/11![Air Transat logo]()
$423
This lastminute.com deal was found by Cheapflights users on 10/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:10 am -
1 stop12h 40m
Thu 11/194:40 pm -
1 stop28h 00m
Deal found 10/11![WestJet logo]()
$441
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:00 am -
1 stop8h 44m
Thu 11/54:40 pm -
1 stop28h 00m
Deal found 10/8![Multiple Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Mon 11/237:00 am -
2 stops16h 00m
Sat 2/2712:40 am -
2 stops14h 18m
Deal found 10/12![American Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Wed 12/234:42 pm -
1 stop11h 17m
Fri 1/16:56 pm -
2 stops17h 11m
Deal found 10/9![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:50 am -
2 stops14h 27m
Tue 10/278:00 am -
2 stops13h 44m
Deal found 10/9![Delta logo]()
$721
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:40 am -
3 stops29h 37m
Fri 11/1312:20 pm -
3 stops33h 17m
Deal found 10/8![Multiple Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Wed 12/234:42 pm -
1 stop19h 19m
Wed 1/66:01 am -
1 stop10h 26m
Deal found 10/7![United Airlines logo]()
$678
Last-minute flights from Ottawa to San FranciscoDiscover last-minute flight deals from Ottawa to San Francisco. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Francisco. Data last updated October 12, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:25 pm -
2 stops12h 30m
Fri 10/305:40 pm -
2 stops28h 04m
Deal found 10/7![WestJet logo]()
$437
This Porter Airlines deal was found by Cheapflights users on 10/11. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop8h 45m
Tue 11/31:45 pm -
1 stop7h 52m
Deal found 10/11![Porter Airlines logo]()
$423
This Trip.com deal was found by Cheapflights users on 10/10. 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.
Fri 11/67:00 am -
1 stop8h 44m
Sun 11/81:45 pm -
1 stop7h 52m
Deal found 10/10![Porter Airlines logo]()
$409
This Justfly.com deal was found by Cheapflights users on 10/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop8h 44m
Mon 11/91:45 pm -
1 stop7h 52m
Deal found 10/10![Porter Airlines logo]()
$378
This Trip.com deal was found by Cheapflights users on 10/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
1 stop8h 44m
Sat 11/141:45 pm -
1 stop7h 52m
Deal found 10/11![Porter Airlines logo]()
$395
This Trip.com deal was found by Cheapflights users on 10/8. 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.
Wed 11/187:00 am -
1 stop8h 44m
Sat 11/281:45 pm -
1 stop7h 52m
Deal found 10/8![Porter Airlines logo]()
$394
This Booking.com deal was found by Cheapflights users on 10/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:30 am -
2 stops13h 20m
Thu 11/264:40 pm -
1 stop28h 00m
Deal found 10/9![WestJet logo]()
$369
This Gotogate deal was found by Cheapflights users on 10/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 am -
1 stop8h 44m
Thu 11/261:45 pm -
1 stop7h 52m
Deal found 10/12![Porter Airlines logo]()
$376
This FlightHub deal was found by Cheapflights users on 10/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am -
1 stop8h 44m
Sun 2/281:45 pm -
1 stop8h 05m
Deal found 10/12![Porter Airlines logo]()
$382
One-way flights from Ottawa to San FranciscoSearch for one-way flight options from Ottawa to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way flight options from Ottawa to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Porter Airlines logo]()
$219
This FlightHub deal was found by Cheapflights users on 10/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Air Transat logo]()
$224
This Justfly.com deal was found by Cheapflights users on 10/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop8h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Air Transat logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Mon 10/267:00 am -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Porter Airlines logo]()
$236
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
1 stop8h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Air Transat logo]()
$238
This Gotogate deal was found by Cheapflights users on 10/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
1 stop8h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Air Transat logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Sun 11/228:30 am -
2 stops29h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$257
This Trip.com deal was found by Cheapflights users on 10/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:45 pm -
2 stops17h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Wed 11/118:30 am -
2 stops34h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Tue 11/1010:30 am -
3 stops37h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$267
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
2 stops14h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$271
Find flight deals from Ottawa to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to San Francisco (SFO). 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 October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Booking.com) |
One-way from | $219 (FlightHub) |
Popular in | July |
Cheapest in | April |
Average price | $488 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ottawa to San Francisco 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 7,457,451 searches. Data last updated October 12, 2026.
Use the filters below to find and compare flights from Ottawa to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sun 11/22
4:15 pm-3:50 pm
1 stop26h 35m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
Quickest round-trip
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Tue 11/3
7:00 am-12:44 pm
1 stop8h 44m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$238
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Tue 11/24
7:00 am-12:44 pm
1 stop8h 44m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$238
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sun 11/22
8:30 am-10:46 am
2 stops29h 16m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$257
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sun 11/8
8:30 am-8:19 am
3 stops50h 49m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$268
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Tue 10/27
5:35 am-2:20 pm
2 stops11h 45m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Tue 11/3
5:30 am-6:17 pm
2 stops15h 47m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Wed 10/28
5:30 am-6:17 pm
2 stops15h 47m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Thu 12/10
5:30 am-2:33 pm
2 stops12h 03m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sun 12/20
6:10 am-3:50 pm
1 stop12h 40m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$283
Showing 1-10 of 20 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Ottawa-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ottawa-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ottawa-San Francisco 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 Ottawa to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Ottawa with our price prediction graph.
YOW-SFO
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 Ottawa to San Francisco
How far ahead should I book a flight from Ottawa to San Francisco?
The best time to book flights from Ottawa to San Francisco is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Ottawa to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $402). Flying from Ottawa to San Francisco in July is currently the most expensive (average of $580). 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.
How much does it cost to fly round-trip from Ottawa to San Francisco?
Airfare is below average for this route at the moment.
Ottawa to San Francisco flights typically cost between $454 and $581 in November.The cheapest round-trip price found within the last 5 days was $369 on WestJet (Nov 19-Nov 26).
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated October 12, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,WestJet, andAir Canada from Ottawa to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
8.0
Comfort
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Entertainment
7.0
Overall
8.0
Comfort
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Entertainment
7.0
Overall
8.0
Comfort
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Entertainment
7.0
Overall
8.0
Comfort
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Related info for your journey
Find useful and relevant information for your journey from Ottawa to San Francisco. 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 San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Hayward
San Bruno
Emeryville
Burlingame
Roseville
Redwood City
Rancho Cordova
Cupertino
Newark
Fairfield
San Ramon
Manteca
San Carlos
Vallejo
Turlock
Davis
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.
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Find flights from Ottawa to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ottawa and San Francisco flights
Browse other Ottawa and San Francisco flight options. Last updated on October 12, 2026.
Other flights from Ottawa
Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on October 12, 2026.
Popular flight searches
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Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 12, 2026.
Top 3 airlines flying from Ottawa to San Francisco
Discover the top 3 airlines that operate flights from Ottawa to San Francisco. 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 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$387 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$316 | Average$483 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$374 | Average$689 | FlexibilityNo cancel fee | On-time67% |