$210+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
Oct 29 — Nov 51
Round-trip
1 adult, Economy
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Find cheap flights from Ottawa to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 September 29, 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 September 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/1912:25 pm -
2 stops12h 30m
Fri 10/236:00 am -
1 stop8h 15m
Deal found 9/27![WestJet logo]()
$317
This Trip.com deal was found by Cheapflights users on 9/26. 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 10/1512:25 pm -
2 stops12h 30m
Wed 10/216:05 pm -
1 stop8h 30m
Deal found 9/26![WestJet logo]()
$319
This Justfly.com deal was found by Cheapflights users on 9/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:00 am -
1 stop8h 20m
Tue 10/271:45 pm -
1 stop8h 05m
Deal found 9/24![Porter Airlines logo]()
$333
This FlightHub deal was found by Cheapflights users on 9/27. 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 10/1912:25 pm -
2 stops12h 30m
Sat 10/241:00 pm -
1 stop13h 35m
Deal found 9/27![WestJet logo]()
$350
This FlightHub deal was found by Cheapflights users on 9/26. 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
Tue 11/31:45 pm -
1 stop8h 05m
Deal found 9/26![Porter Airlines logo]()
$362
This Justfly.com deal was found by Cheapflights users on 9/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:00 am -
1 stop8h 45m
Tue 12/11:45 pm -
1 stop8h 05m
Deal found 9/24![Porter Airlines logo]()
$363
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 September 29, 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 September 29, 2026.
This oojo deal was found by Cheapflights users on 9/27. 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 10/191:20 pm -
1 stop11h 35m
Sat 10/241:00 pm -
1 stop13h 35m
Deal found 9/27![WestJet logo]()
$390
This Porter Airlines deal was found by Cheapflights users on 9/24. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop8h 20m
Sat 10/241:20 pm -
1 stop8h 05m
Deal found 9/24![Porter Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 10/208:15 pm -
1 stop18h 45m
Wed 11/1810:39 am -
2 stops34h 22m
Deal found 9/26![Multiple Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 9/26. 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.
Sat 10/106:55 am -
2 stops16h 45m
Mon 10/128:00 am -
2 stops13h 20m
Deal found 9/26![Delta logo]()
$484
This Justfly.com deal was found by Cheapflights users on 9/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/47:00 am -
1 stop8h 45m
Wed 3/311:45 pm -
1 stop8h 05m
Deal found 9/24![Porter Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 9/26. 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 2/266:10 am -
1 stop12h 40m
Tue 4/137:30 am -
2 stops14h 14m
Deal found 9/26![Delta logo]()
$530
This Mytrip deal was found by Cheapflights users on 9/29. 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.
Tue 10/277:00 am -
1 stop8h 45m
Tue 11/311:52 pm -
3 stops19h 23m
Deal found 9/29![Multiple Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 9/25. 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 3/266:10 am -
1 stop13h 40m
Tue 4/67:30 am -
2 stops14h 14m
Deal found 9/25![Delta logo]()
$550
This Booking.com deal was found by Cheapflights users on 9/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
1 stop8h 45m
Sat 11/71:45 pm -
1 stop8h 05m
Deal found 9/28![Porter Airlines logo]()
$555
This Delta deal was found by Cheapflights users on 9/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/186:10 am -
1 stop13h 40m
Tue 3/237:30 am -
2 stops14h 14m
Deal found 9/24![Delta logo]()
$551
This Porter Airlines deal was found by Cheapflights users on 9/26. 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.
Thu 3/47:00 am -
1 stop8h 45m
Mon 4/121:45 pm -
1 stop8h 05m
Deal found 9/26![Porter Airlines logo]()
$609
Last-minute flights from Ottawa to San FranciscoDiscover last-minute flight deals from Ottawa to San Francisco. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Francisco. Data last updated September 29, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/27. 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 10/64:15 pm -
1 stop22h 45m
Fri 10/166:00 am -
1 stop8h 15m
Deal found 9/27![WestJet logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/68:15 pm -
2 stops24h 45m
Wed 10/216:05 pm -
1 stop8h 30m
Deal found 9/27![Multiple Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/68:15 pm -
2 stops24h 45m
Tue 10/206:00 am -
1 stop10h 20m
Deal found 9/27![Multiple Airlines logo]()
$577
This FlightHub deal was found by Cheapflights users on 9/27. 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 10/76:55 am -
2 stops12h 45m
Wed 10/216:05 pm -
1 stop8h 30m
Deal found 9/27![WestJet logo]()
$546
This oojo deal was found by Cheapflights users on 9/27. 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 10/76:15 pm -
2 stops30h 40m
Tue 10/131:00 pm -
2 stops20h 30m
Deal found 9/27![WestJet logo]()
$579
This WestJet deal was found by Cheapflights users on 9/27. 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.
Wed 10/76:55 am -
2 stops12h 45m
Fri 10/166:00 am -
1 stop8h 15m
Deal found 9/27![WestJet logo]()
$580
This Delta deal was found by Cheapflights users on 9/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:50 am -
2 stops14h 27m
Sat 10/1710:25 pm -
2 stops16h 10m
Deal found 9/24![Delta logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 10/812:25 pm -
2 stops27h 25m
Sat 10/171:00 pm -
1 stop13h 35m
Deal found 9/24![Multiple Airlines logo]()
$539
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 September 29, 2026.
Search for one-way flight options from Ottawa to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Trip.com deal was found by Cheapflights users on 9/26. 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 11/124:15 pm -
1 stop26h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![WestJet logo]()
$210
This SmartFares deal was found by Cheapflights users on 9/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:10 am -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![WestJet logo]()
$211
This SmartFares deal was found by Cheapflights users on 9/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:15 pm -
1 stop18h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![WestJet logo]()
$216
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:25 pm -
2 stops30h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![WestJet logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 1/77:00 am -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Porter Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/117:00 am -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Air Transat logo]()
$228
This Travelocity deal was found by Cheapflights users on 9/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:10 am -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![WestJet logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 11/16:55 pm -
1 stop23h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$245
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 September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (Kiwi.com) |
One-way from | $210 (Trip.com) |
Popular in | July |
Cheapest in | April |
Average price | $446 |
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 September 29, 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
Tue 11/10
5:30 am-6:11 pm
2 stops15h 41m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$249
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sat 11/14
5:30 am-3:50 pm
2 stops37h 20m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$250
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
$250
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Fri 11/6
5:30 am-6:17 pm
2 stops15h 47m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$250
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Mon 11/16
5:40 pm-2:10 pm
3 stops23h 30m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$253
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sun 10/18
4:10 pm-9:55 pm
3 stops32h 45m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$272
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sun 10/11
6:15 pm-6:25 pm
2 stops51h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$367
Quickest round-trip
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Thu 12/24
4:42 pm-11:25 pm
1 stop9h 43m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$369
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Wed 12/23
4:42 pm-12:59 am
1 stop11h 17m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$370
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Tue 1/5
9:45 am-5:40 pm
1 stop10h 55m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$370
Showing 1-10 of 22 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 $396 and $521 in October.The cheapest round-trip price found within the last 5 days was $317 on WestJet (Oct 19-Oct 23).
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 September 29, 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
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Entertainment
7.0
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
Emeryville
Hayward
Burlingame
Rancho Cordova
San Bruno
Roseville
Redwood City
Cupertino
Newark
Fairfield
San Ramon
Manteca
Vallejo
San Carlos
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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Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ottawa to San Francisco by cabin class
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 September 29, 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 September 29, 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 September 29, 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 September 29, 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% |