$224+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
Jun 24 — Jul 11
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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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 May 25, 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 May 25, 2026.
This oojo deal was found by Cheapflights users on 5/21. 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 10/112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Tue 10/66:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 5/21![WestJet logo]()
$299
This CheapOair deal was found by Cheapflights users on 5/20. 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.
Sat 8/1512:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Sat 8/226:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 5/20![WestJet logo]()
$348
This CheapOair deal was found by Cheapflights users on 5/20. 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 6/234:15 pm
YOW
- SFO
1 stop27h 25m
WestJet
Tue 7/76:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 5/20![WestJet logo]()
$352
This oojo deal was found by Cheapflights users on 5/21. 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 7/96:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Wed 7/156:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 5/21![WestJet logo]()
$358
This Justfly.com deal was found by Cheapflights users on 5/20. 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.
Tue 6/234:15 pm
YOW
- SFO
1 stop22h 45m
WestJet
Mon 7/136:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 5/20![WestJet logo]()
$374
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 May 25, 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 May 25, 2026.
This oojo deal was found by Cheapflights users on 5/24. 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 8/146:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Thu 8/201:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Deal found 5/24![WestJet logo]()
$386
This Delta deal was found by Cheapflights users on 5/22. 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 8/216:00 am
YOW
- SFO
1 stop9h 00m
Delta
Tue 8/256:00 am
SFO
- YOW
1 stop8h 15m
Delta
Deal found 5/22![Delta logo]()
$496
This Justfly.com deal was found by Cheapflights users on 5/23. 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.
Tue 6/307:00 am
YOW
- SFO
1 stop8h 20m
Porter Airlines
Mon 7/131:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Deal found 5/23![Porter Airlines logo]()
$586
This Gotogate deal was found by Cheapflights users on 5/21. 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 7/912:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Wed 7/156:00 am
SFO
- YOW
2 stops15h 20m
WestJet
Deal found 5/21![WestJet logo]()
$424
This Delta deal was found by Cheapflights users on 5/21. 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.
Wed 7/156:55 am
YOW
- SFO
2 stops17h 53m
Delta
Thu 7/235:55 am
SFO
- YOW
2 stops20h 40m
Delta
Deal found 5/21![Delta logo]()
$558
This FlightHub deal was found by Cheapflights users on 5/23. 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.
Tue 6/307:00 am
YOW
- SFO
1 stop8h 20m
Porter Airlines
Thu 7/91:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Deal found 5/23![Porter Airlines logo]()
$586
This Trip.com deal was found by Cheapflights users on 5/22. 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 10/28:15 pm
YOW
- SFO
1 stop18h 45m
WestJet
Mon 10/56:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 5/22![WestJet logo]()
$554
This FlightHub deal was found by Cheapflights users on 5/21. 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.
Tue 6/307:00 am
YOW
- SFO
1 stop8h 20m
Porter Airlines
Sat 7/41:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Deal found 5/21![Porter Airlines logo]()
$589
This CheapOair deal was found by Cheapflights users on 5/20. 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 6/306:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Wed 7/156:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 5/20![WestJet logo]()
$564
This oojo deal was found by Cheapflights users on 5/22. 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.
Tue 6/234:15 pm
YOW
- SFO
1 stop27h 25m
WestJet
Tue 7/76:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 5/22![WestJet logo]()
$574
Last-minute flights from Ottawa to San FranciscoDiscover last-minute flight deals from Ottawa to San Francisco. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Francisco. Data last updated May 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/101:20 pm
YOW
- SFO
1 stop11h 35m
Multiple Airlines
Tue 6/1610:58 pm
SFO
- YOW
2 stops34h 32m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/116:55 am
YOW
- SFO
1 stop8h 25m
Multiple Airlines
Sat 6/1310:58 pm
SFO
- YOW
2 stops33h 37m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$512
This Mytrip deal was found by Cheapflights users on 5/24. 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 6/186:55 am
YOW
- SFO
2 stops12h 45m
Multiple Airlines
Mon 6/226:45 pm
SFO
- YOW
2 stops13h 54m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$521
This CheapOair deal was found by Cheapflights users on 5/20. 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 6/234:15 pm
YOW
- SFO
1 stop27h 25m
WestJet
Tue 7/76:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 5/20![WestJet logo]()
$352
This Justfly.com deal was found by Cheapflights users on 5/20. 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.
Tue 6/234:15 pm
YOW
- SFO
1 stop22h 45m
WestJet
Mon 7/136:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 5/20![WestJet logo]()
$374
This oojo deal was found by Cheapflights users on 5/23. 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.
Tue 6/306:15 pm
YOW
- SFO
2 stops30h 40m
WestJet
Wed 7/156:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 5/23![WestJet logo]()
$473
This oojo deal was found by Cheapflights users on 5/23. 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.
Tue 6/306:15 pm
YOW
- SFO
2 stops30h 40m
WestJet
Mon 7/136:05 pm
SFO
- YOW
1 stop27h 35m
WestJet
Deal found 5/23![WestJet logo]()
$503
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 May 25, 2026.
Search for one-way flight options from Ottawa to San Francisco. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
This Trip.com deal was found by Cheapflights users on 5/21. 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 6/234:15 pm
YOW
- SFO
1 stop27h 25m
WestJet
Deal found 5/21![WestJet logo]()
$224
This oojo deal was found by Cheapflights users on 5/20. 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 6/286:15 pm
YOW
- SFO
2 stops30h 40m
WestJet
Deal found 5/20![WestJet logo]()
$232
This oojo deal was found by Cheapflights users on 5/20. 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 6/86:15 pm
YOW
- SFO
2 stops25h 25m
WestJet
Deal found 5/20![WestJet logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 8/96:25 pm
YOW
- SFO
2 stops30h 30m
WestJet
Deal found 5/20![WestJet logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 7/147:20 am
YOW
- SFO
1 stop12h 20m
WestJet
Deal found 5/24![WestJet logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 7/98:15 pm
YOW
- SFO
1 stop23h 25m
WestJet
Deal found 5/24![WestJet logo]()
$260
This FlightHub deal was found by Cheapflights users on 5/24. 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 7/138:15 pm
YOW
- SFO
1 stop23h 25m
WestJet
Deal found 5/24![WestJet logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 7/157:20 am
YOW
- SFO
3 stops15h 32m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$266
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 May 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (oojo) |
One-way from | $224 (Trip.com) |
Popular in | May |
Cheapest in | September |
Average price | $574 |
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 May 25, 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
Fri 8/14
6:00 am-12:00 pm
1 stop9h 00m
San Francisco
Thu 8/20
1:00 pm-12:40 am
1 stop8h 40m
$386
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Thu 7/9
12:25 pm-9:55 pm
2 stops12h 30m
San Francisco
Wed 7/15
6:00 am-12:20 am
2 stops15h 20m
$424
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Fri 8/21
6:00 am-12:00 pm
1 stop9h 00m
San Francisco
Tue 8/25
6:00 am-5:15 pm
1 stop8h 15m
$496
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Fri 10/2
8:15 pm-12:00 pm
1 stop18h 45m
San Francisco
Mon 10/5
6:00 am-7:20 pm
1 stop10h 20m
$554
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Wed 7/15
6:55 am-9:48 pm
2 stops17h 53m
San Francisco
Thu 7/23
5:55 am-5:35 am
2 stops20h 40m
$558
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Tue 6/30
6:55 am-4:40 pm
2 stops12h 45m
San Francisco
Wed 7/15
6:00 am-5:15 pm
1 stop8h 15m
$564
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Tue 6/23
4:15 pm-4:40 pm
1 stop27h 25m
San Francisco
Tue 7/7
6:05 pm-5:35 am
1 stop8h 30m
$574
Quickest round-trip
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Tue 6/30
7:00 am-12:20 pm
1 stop8h 20m
San Francisco
Mon 7/13
1:20 pm-12:25 am
1 stop8h 05m
$586
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Tue 6/30
7:00 am-12:20 pm
1 stop8h 20m
San Francisco
Thu 7/9
1:20 pm-12:25 am
1 stop8h 05m
$586
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Tue 6/30
7:00 am-12:20 pm
1 stop8h 20m
San Francisco
Sat 7/4
1:20 pm-12:25 am
1 stop8h 05m
$589
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | 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?
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, September is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $341). Flying from Ottawa to San Francisco in May is currently the most expensive (average of $574). 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 67% 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 24m.
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 May 25, 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.
Crew
8.6
Food
7.6
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Food
7.6
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Food
7.6
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Food
7.6
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
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
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
Vallejo
San Lorenzo
Davis
Emeryville
Manteca
Elk Grove
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Ottawa and San Francisco flights
Browse other Ottawa and San Francisco flight options. Last updated on May 25, 2026.
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Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
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Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 25, 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 2,558,603 searches. Data last updated May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$338 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$292 | Average$484 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$328 | Average$619 | FlexibilityNo cancel fee | On-time67% |