$191+ Cheap flights from Ottawa (YOW) to San Francisco (SFO)
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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
May 2 — May 91
Round-trip
1 adult, Economy
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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
Cheapest
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 April 2, 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 April 2, 2026.
This Booking.com deal was found by Cheapflights users on 3/29. 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 5/712:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Fri 5/86:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/29![WestJet logo]()
$326
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Mon 6/226:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 4/1![WestJet logo]()
$327
This Mytrip deal was found by Cheapflights users on 3/29. 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.
Thu 5/712:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Mon 5/116:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/29![WestJet logo]()
$328
This Trip.com deal was found by Cheapflights users on 3/30. 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 5/2112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Fri 5/296:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 3/30![WestJet logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Thu 5/2112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Mon 5/256:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/28![WestJet logo]()
$338
This Gotogate deal was found by Cheapflights users on 3/29. 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.
Sun 4/261:20 pm
YOW
- SFO
1 stop11h 35m
WestJet
Tue 5/56:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/29![WestJet logo]()
$342
This Mytrip deal was found by Cheapflights users on 3/28. 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 6/196:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Wed 6/246:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 3/28![WestJet logo]()
$349
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1012:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Sat 5/166:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Deal found 3/31![WestJet logo]()
$352
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 April 2, 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 April 2, 2026.
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Mon 5/116:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Deal found 4/1![WestJet logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Thu 4/306:45 am
YOW
- SFO
1 stop9h 00m
Multiple Airlines
Thu 5/79:00 am
SFO
- YOW
2 stops24h 15m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$455
This Porter Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 4/286:45 am
YOW
- SFO
1 stop9h 00m
Porter Airlines
Wed 4/291:45 pm
SFO
- YOW
1 stop7h 56m
Porter Airlines
Deal found 4/1![Porter Airlines logo]()
$524
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:15 pm
YOW
- SFO
2 stops20h 45m
WestJet
Mon 5/256:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Deal found 3/31![WestJet logo]()
$378
This Justfly.com deal was found by Cheapflights users on 3/28. 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.
Fri 6/196:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Wed 6/246:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Deal found 3/28![WestJet logo]()
$388
This Mytrip deal was found by Cheapflights users on 3/29. 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.
Thu 5/76:15 pm
YOW
- SFO
3 stops20h 45m
Multiple Airlines
Mon 5/116:45 pm
SFO
- YOW
3 stops19h 50m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$457
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:40 am
YOW
- SFO
2 stops33h 20m
WestJet
Sat 5/21:00 pm
SFO
- YOW
1 stop13h 35m
WestJet
Deal found 3/28![WestJet logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/167:20 am
YOW
- SFO
1 stop17h 35m
Multiple Airlines
Tue 5/199:25 pm
SFO
- YOW
1 stop11h 50m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$530
This WestJet deal was found by Cheapflights users on 3/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:20 pm
YOW
- SFO
1 stop25h 40m
WestJet
Wed 5/61:00 pm
SFO
- YOW
2 stops19h 35m
WestJet
Deal found 3/30![WestJet logo]()
$444
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:20 am
YOW
- SFO
1 stop17h 35m
WestJet
Tue 7/71:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Deal found 3/28![WestJet logo]()
$463
This Trip.com deal was found by Cheapflights users on 3/29. 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 5/136:25 pm
YOW
- SFO
2 stops30h 30m
WestJet
Wed 5/206:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/29![WestJet logo]()
$518
Last-minute flights from Ottawa to San FranciscoDiscover last-minute flight deals from Ottawa to San Francisco. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Francisco. Data last updated April 2, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 3/29. 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.
Sun 4/261:20 pm
YOW
- SFO
1 stop11h 35m
WestJet
Tue 5/56:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/29![WestJet logo]()
$342
This Booking.com deal was found by Cheapflights users on 3/29. 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 5/712:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Fri 5/86:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/29![WestJet logo]()
$326
This Mytrip deal was found by Cheapflights users on 3/29. 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.
Thu 5/712:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Mon 5/116:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/29![WestJet logo]()
$328
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1012:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Sat 5/166:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Deal found 3/31![WestJet logo]()
$352
This Trip.com deal was found by Cheapflights users on 3/30. 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 5/2112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Fri 5/296:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 3/30![WestJet logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Thu 5/2112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Mon 5/256:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/28![WestJet logo]()
$338
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Mon 5/256:05 pm
SFO
- YOW
2 stops15h 25m
WestJet
Deal found 3/28![WestJet logo]()
$354
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 April 2, 2026.
Search for one-way flight options from Ottawa to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 3/31![WestJet logo]()
$191
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Deal found 4/1![WestJet logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Thu 8/206:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 3/31![WestJet logo]()
$206
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 3/31![WestJet logo]()
$208
This Gotogate deal was found by Cheapflights users on 3/31. 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 7/166:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 3/31![WestJet logo]()
$210
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 3/31![WestJet logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 6/107:20 am
YOW
- SFO
3 stops15h 36m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$212
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:15 pm
YOW
- SFO
2 stops30h 40m
WestJet
Deal found 3/31![WestJet logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/121:20 pm
YOW
- SFO
1 stop11h 35m
WestJet
Deal found 3/28![WestJet logo]()
$215
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 3/31![WestJet logo]()
$218
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 April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $326 (Booking.com) |
One-way from | $191 (oojo) |
Popular in | December |
Cheapest in | May |
Average price | $336 |
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 2,558,603 searches. Data last updated April 2, 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 - SFO
YOWSFO
Ottawa
Thu 5/7
12:25 pm-9:55 pm
2 stops12h 30m
San Francisco
Mon 5/11
6:00 am-12:30 pm
2 stops27h 30m
$350
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Wed 5/20
6:15 pm-12:00 pm
2 stops20h 45m
San Francisco
Mon 5/25
6:00 am-12:30 pm
2 stops27h 30m
$378
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Fri 6/19
6:55 am-4:40 pm
2 stops12h 45m
San Francisco
Wed 6/24
6:00 am-12:30 pm
2 stops27h 30m
$388
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Sat 4/25
5:40 am-12:00 pm
2 stops33h 20m
San Francisco
Sat 5/2
1:00 pm-5:35 am
1 stop13h 35m
$433
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Sat 5/2
1:20 pm-12:00 pm
1 stop25h 40m
San Francisco
Wed 5/6
1:00 pm-11:35 am
2 stops19h 35m
$444
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Thu 4/30
6:45 am-12:45 pm
1 stop9h 00m
San Francisco
Thu 5/7
9:00 am-12:15 pm
2 stops24h 15m
$455
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Thu 5/7
6:15 pm-12:00 pm
3 stops20h 45m
San Francisco
Mon 5/11
6:45 pm-5:35 pm
3 stops19h 50m
$457
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Tue 6/23
7:20 am-9:55 pm
1 stop17h 35m
San Francisco
Tue 7/7
1:00 pm-12:40 am
1 stop8h 40m
$463
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Wed 5/13
6:25 pm-9:55 pm
2 stops30h 30m
San Francisco
Wed 5/20
6:00 am-5:15 pm
1 stop8h 15m
$518
Quickest round-trip
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Tue 4/28
6:45 am-12:45 pm
1 stop9h 00m
San Francisco
Wed 4/29
1:45 pm-12:41 am
1 stop7h 56m
$524
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Ottawa to San Francisco
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 Ottawa to San Francisco in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
Prices
More
How far ahead should I book a flight from Ottawa to San Francisco?
Use this chart to determine the optimal time to book a round-trip flight from Ottawa to San Francisco. Price data was last updated on March 13, 2026.
The best time to book flights from Ottawa to San Francisco is 83 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, February is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $243). Flying from Ottawa to San Francisco in December is currently the most expensive (average of $320). 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?
What’s the top layover airport for flights from Ottawa to San Francisco?
Share of 1-stop round-trip flights from Ottawa to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.
Toronto (YYZ) – chosen by Cheapflights users on 75% of 1-stop itineraries from Ottawa to San Francisco on Cheapflights.
What’s the cheapest layover airport for flights from Ottawa to San Francisco?
Average round-trip fare for 1-stop flights from Ottawa to San Francisco, 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 $338.
What’s the fastest layover option from Ottawa to San Francisco?
Shortest average travel time for 1-stop one-way flights from Ottawa to San Francisco, 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: 8h 44m.
Which airport typically offers the quickest layover for flights from Ottawa to San Francisco?
Average layover duration for 1-stop one-way flights from Ottawa to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Calgary (YYC) offer the fastest connection on this route, with an average layover time of 1h 46m.
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 April 2, 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.
Comfort
8.0
Food
7.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Food
7.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Food
7.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Food
7.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
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 Cruz
Santa Clara
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Sunnyvale
Vacaville
San Carlos
Redwood City
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove
Foster City
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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 2,558,603 searches. Data last updated April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$247 | Average$336 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$274 | Average$474 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$301 | Average$555 | FlexibilityNo cancel fee | On-time67% |