$154+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
Oct 15 — Oct 221
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 September 15, 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 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/1512:25 pm -
2 stops12h 30m
Wed 10/216:05 pm -
1 stop8h 30m
Deal found 9/14![WestJet logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1512:25 pm -
2 stops12h 30m
Thu 10/226:00 am -
1 stop10h 20m
Deal found 9/15![WestJet logo]()
$259
This Trip.com deal was found by Cheapflights users on 9/14. 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 10/146:55 am -
2 stops12h 45m
Wed 10/216:05 pm -
1 stop8h 30m
Deal found 9/14![WestJet logo]()
$271
This Justfly.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/77:20 am -
1 stop17h 35m
Tue 10/136:00 am -
1 stop8h 15m
Deal found 9/15![WestJet logo]()
$287
This FlightHub deal was found by Cheapflights users on 9/13. 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 10/138:15 pm -
1 stop23h 25m
Tue 10/206:00 am -
1 stop10h 20m
Deal found 9/13![WestJet logo]()
$288
This FlightHub deal was found by Cheapflights users on 9/15. 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 10/77:20 am -
1 stop17h 35m
Wed 10/216:05 pm -
1 stop8h 30m
Deal found 9/15![WestJet logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:25 pm -
2 stops12h 30m
Sat 10/241:00 pm -
1 stop13h 35m
Deal found 9/12![WestJet logo]()
$291
This Justfly.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:15 pm -
1 stop18h 45m
Wed 10/146:05 pm -
1 stop8h 30m
Deal found 9/10![WestJet logo]()
$293
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 15, 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 15, 2026.
This Justfly.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com 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 9/12![WestJet logo]()
$315
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:15 pm -
1 stop28h 40m
Tue 10/271:45 pm -
1 stop8h 05m
Deal found 9/10![Multiple Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:55 am -
2 stops10h 11m
Wed 9/306:00 am -
1 stop10h 20m
Deal found 9/10![Delta logo]()
$418
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:55 am -
2 stops18h 00m
Mon 10/126:00 am -
2 stops27h 30m
Deal found 9/12![WestJet logo]()
$365
This FlightHub deal was found by Cheapflights users on 9/14. 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 stops18h 00m
Wed 10/211:00 pm -
2 stops19h 35m
Deal found 9/14![WestJet logo]()
$366
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:50 am -
2 stops16h 16m
Tue 10/278:00 am -
2 stops13h 44m
Deal found 9/10![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:55 am -
2 stops10h 11m
Tue 9/299:55 pm -
2 stops16h 40m
Deal found 9/10![Delta logo]()
$449
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:55 am -
2 stops18h 00m
Tue 10/136:00 am -
2 stops50h 35m
Deal found 9/12![WestJet logo]()
$412
This Delta deal was found by Cheapflights users on 9/13. 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.
Tue 12/155:30 am -
2 stops15h 44m
Wed 1/66:00 am -
2 stops15h 44m
Deal found 9/13![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 9/13. 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 12/55:30 am -
2 stops12h 03m
Thu 1/76:00 am -
2 stops15h 44m
Deal found 9/13![Delta logo]()
$459
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:25 pm -
2 stops12h 30m
Sat 10/171:00 pm -
1 stop13h 35m
Deal found 9/10![WestJet logo]()
$470
Last-minute flights from Ottawa to San FranciscoDiscover last-minute flight deals from Ottawa to San Francisco. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Francisco. Data last updated September 15, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:15 pm -
1 stop18h 45m
Wed 10/146:05 pm -
1 stop8h 30m
Deal found 9/10![WestJet logo]()
$293
This Justfly.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/77:20 am -
1 stop17h 35m
Tue 10/136:00 am -
1 stop8h 15m
Deal found 9/15![WestJet logo]()
$287
This FlightHub deal was found by Cheapflights users on 9/15. 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 10/77:20 am -
1 stop17h 35m
Wed 10/216:05 pm -
1 stop8h 30m
Deal found 9/15![WestJet logo]()
$289
This FlightHub deal was found by Cheapflights users on 9/13. 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 10/138:15 pm -
1 stop23h 25m
Tue 10/206:00 am -
1 stop10h 20m
Deal found 9/13![WestJet logo]()
$288
This Trip.com deal was found by Cheapflights users on 9/14. 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 10/146:55 am -
2 stops12h 45m
Wed 10/216:05 pm -
1 stop8h 30m
Deal found 9/14![WestJet logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/1512:25 pm -
2 stops12h 30m
Wed 10/216:05 pm -
1 stop8h 30m
Deal found 9/14![WestJet logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1512:25 pm -
2 stops12h 30m
Thu 10/226:00 am -
1 stop10h 20m
Deal found 9/15![WestJet logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:25 pm -
2 stops12h 30m
Sat 10/241:00 pm -
1 stop13h 35m
Deal found 9/12![WestJet logo]()
$291
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 15, 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 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:25 pm -
2 stops12h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![WestJet logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/67:20 am -
2 stops35h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:30 am -
3 stops29h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:15 pm -
2 stops20h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![WestJet logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/64:15 pm -
1 stop22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![WestJet logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:15 pm -
1 stop18h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![WestJet logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/76:55 am -
2 stops18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![WestJet logo]()
$197
This WestJet deal was found by Cheapflights users on 9/13. 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 9/306:55 am -
2 stops12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![WestJet logo]()
$198
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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (Kiwi.com) |
One-way from | $154 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $369 |
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 15, 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
Thu 10/1
12:25 pm-9:55 pm
2 stops12h 30m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$154
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Thu 10/1
8:35 am-9:55 pm
1 stop16h 20m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$216
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sat 9/26
6:55 am-6:13 pm
2 stops14h 18m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$236
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Thu 9/24
6:55 am-7:58 pm
2 stops16h 03m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$243
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Thu 10/15
6:50 am-9:55 pm
3 stops18h 05m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$257
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Fri 10/9
6:50 am-10:59 pm
2 stops19h 09m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$282
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Mon 10/19
1:20 pm-9:55 pm
1 stop11h 35m
San Francisco
Sat 10/24
1:00 pm-5:35 am
1 stop13h 35m
$315
Quickest round-trip
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sat 9/26
6:55 am-12:15 pm
1 stop8h 20m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$322
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Mon 9/28
6:01 pm-9:14 am
1 stop18h 13m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$341
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Wed 10/7
6:55 am-9:55 pm
2 stops18h 00m
San Francisco
Mon 10/12
6:00 am-12:30 pm
2 stops27h 30m
$365
Showing 1-10 of 19 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, September is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $369). 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 $313 and $601 in October.The cheapest round-trip price found within the last 5 days was $252 on WestJet (Oct 15-Oct 21).
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 15, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet 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.
Boarding
8.2
Food
7.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Boarding
8.2
Food
7.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Boarding
8.2
Food
7.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Boarding
8.2
Food
7.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Boarding
8.2
Food
7.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Related info for your journey
Find useful and relevant information for your journey from Ottawa to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Emeryville
San Bruno
Burlingame
Rancho Cordova
Roseville
Fairfield
Hayward
Cupertino
Newark
San Ramon
Redwood City
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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Ottawa and San Francisco flights
Browse other Ottawa and San Francisco flight options. Last updated on September 15, 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 15, 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 15, 2026.
Top 4 airlines flying from Ottawa to San Francisco
Discover the top 4 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$387 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$312 | Average$618 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$316 | Average$483 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$374 | Average$689 | FlexibilityNo cancel fee | On-time67% |