$160+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
May 9 — May 161
Round-trip
1 adult, Economy
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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 April 9, 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 9, 2026.
This Trip.com deal was found by Cheapflights users on 4/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Tue 6/96:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 4/7![WestJet logo]()
$278
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1812:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Thu 6/256:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 4/8![WestJet logo]()
$283
This FlightHub deal was found by Cheapflights users on 4/8. 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 6/36:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Tue 6/96:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 4/8![WestJet logo]()
$294
This oojo deal was found by Cheapflights users on 4/8. 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 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 4/8![WestJet logo]()
$295
This WestJet deal was found by Cheapflights users on 4/7. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Wed 5/276:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 4/7![WestJet logo]()
$317
This oojo deal was found by Cheapflights users on 4/7. 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 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
Wed 5/131:00 pm
SFO
- YOW
2 stops25h 35m
WestJet
Deal found 4/7![WestJet logo]()
$321
This oojo deal was found by Cheapflights users on 4/8. 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 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
Mon 6/296:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 4/8![WestJet logo]()
$323
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 9, 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 9, 2026.
This WestJet deal was found by Cheapflights users on 4/7. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Wed 5/276:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 4/7![WestJet logo]()
$317
This Porter Airlines deal was found by Cheapflights users on 4/5. 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.
Sun 10/47:00 am
YOW
- SFO
1 stop8h 20m
Porter Airlines
Wed 10/211:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Deal found 4/5![Porter Airlines logo]()
$394
This oojo deal was found by Cheapflights users on 4/8. 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 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
Thu 5/141:00 pm
SFO
- YOW
2 stops32h 20m
WestJet
Deal found 4/8![WestJet logo]()
$354
This Porter Airlines deal was found by Cheapflights users on 4/5. 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.
Mon 10/57:00 am
YOW
- SFO
1 stop8h 20m
Porter Airlines
Tue 10/201:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Deal found 4/5![Porter Airlines logo]()
$394
This Trip.com deal was found by Cheapflights users on 4/4. 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.
Sat 6/131:20 pm
YOW
- SFO
1 stop11h 35m
WestJet
Sat 6/206:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 4/4![WestJet logo]()
$364
This Mytrip deal was found by Cheapflights users on 4/8. 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 9/1112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Tue 9/151:00 pm
SFO
- YOW
2 stops25h 35m
WestJet
Deal found 4/8![WestJet logo]()
$385
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3012:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Mon 7/136:05 pm
SFO
- YOW
2 stops15h 25m
WestJet
Deal found 4/8![WestJet logo]()
$387
Last-minute flights from Ottawa to San FranciscoDiscover last-minute flight deals from Ottawa to San Francisco. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Francisco. Data last updated April 9, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:25 pm
YOW
- SFO
2 stops26h 35m
WestJet
Mon 5/41:00 pm
SFO
- YOW
2 stops20h 30m
WestJet
Deal found 4/8![WestJet logo]()
$335
This oojo deal was found by Cheapflights users on 4/8. 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 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 4/8![WestJet logo]()
$295
This oojo deal was found by Cheapflights users on 4/7. 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 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
Wed 5/131:00 pm
SFO
- YOW
2 stops25h 35m
WestJet
Deal found 4/7![WestJet logo]()
$321
This Trip.com deal was found by Cheapflights users on 4/7. 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 Trip.com 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
Multiple Airlines
Wed 5/131:20 pm
SFO
- YOW
1 stop8h 05m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$340
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:15 pm
YOW
- SFO
2 stops30h 40m
WestJet
Sun 5/176:00 am
SFO
- YOW
1 stop20h 35m
WestJet
Deal found 4/8![WestJet logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/2212:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Tue 5/266:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 4/6![WestJet logo]()
$337
This WestJet deal was found by Cheapflights users on 4/7. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Wed 5/276:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 4/7![WestJet logo]()
$317
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 9, 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 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Mon 5/1112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 4/8![WestJet logo]()
$160
This oojo deal was found by Cheapflights users on 4/8. 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 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 4/8![WestJet logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 5/712:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 4/8![WestJet logo]()
$165
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:15 pm
YOW
- SFO
2 stops30h 40m
WestJet
Deal found 4/8![WestJet logo]()
$187
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:15 pm
YOW
- SFO
2 stops20h 45m
WestJet
Deal found 4/8![WestJet logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 5/112:25 pm
YOW
- SFO
2 stops26h 35m
WestJet
Deal found 4/8![WestJet logo]()
$189
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:25 pm
YOW
- SFO
2 stops26h 35m
WestJet
Deal found 4/8![WestJet logo]()
$190
This Trip.com deal was found by Cheapflights users on 4/8. 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 4/296:45 am
YOW
- SFO
1 stop9h 00m
Porter Airlines
Deal found 4/8![Porter Airlines logo]()
$194
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $278 (Trip.com) |
One-way from | $160 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $402 |
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 9, 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
Sat 5/23
12:25 pm-9:55 pm
2 stops12h 30m
San Francisco
Wed 5/27
6:00 am-5:15 pm
1 stop8h 15m
$317
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Thu 5/7
12:25 pm-9:55 pm
2 stops12h 30m
San Francisco
Thu 5/14
1:00 pm-12:20 am
2 stops32h 20m
$354
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Sat 6/13
1:20 pm-9:55 pm
1 stop11h 35m
San Francisco
Sat 6/20
6:05 pm-5:35 am
1 stop8h 30m
$364
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Fri 9/11
12:25 pm-9:55 pm
2 stops12h 30m
San Francisco
Tue 9/15
1:00 pm-5:35 pm
2 stops25h 35m
$385
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Tue 6/30
12:25 pm-9:55 pm
2 stops12h 30m
San Francisco
Mon 7/13
6:05 pm-12:30 pm
2 stops15h 25m
$387
Quickest round-trip
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Sun 10/4
7:00 am-12:20 pm
1 stop8h 20m
San Francisco
Wed 10/21
1:20 pm-12:25 am
1 stop8h 05m
$394
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Mon 10/5
7:00 am-12:20 pm
1 stop8h 20m
San Francisco
Tue 10/20
1:20 pm-12:25 am
1 stop8h 05m
$394
Cheapest one-way
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Thu 5/7
7:20 am-9:55 pm
1 stop17h 35m
$203
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Sat 5/9
6:15 pm-9:55 pm
2 stops30h 40m
$214
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Wed 4/29
6:55 am-9:39 pm
3 stops17h 44m
$224
Showing 1-10 of 19 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 April 3, 2026.
The best time to book flights from Ottawa to San Francisco is 72 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, July is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $216). Flying from Ottawa to San Francisco in December is currently the most expensive (average of $321). 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 9, 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
Comfort
8.0
Entertainment
7.0
Overall
8.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Comfort
8.0
Entertainment
7.0
Overall
8.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Comfort
8.0
Entertainment
7.0
Overall
8.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Comfort
8.0
Entertainment
7.0
Overall
8.0
Boarding
8.2
Food
7.6
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
Union City
Emeryville
Vacaville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Elk Grove
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Ottawa and San Francisco flights
Browse other Ottawa and San Francisco flight options. Last updated on April 9, 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 April 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 9, 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 April 9, 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$580 | FlexibilityNo cancel fee | On-time67% |