$229+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ottawa to San Francisco
Cheapest
Best
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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 November 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 November 9, 2026.
This FlightHub deal was found by Cheapflights users on 11/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:00 am -
1 stop8h 47m
Fri 1/221:45 pm -
1 stop8h 04m
Deal found 11/7![Porter Airlines logo]()
$405
This Kissandfly.com deal was found by Cheapflights users on 11/5. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:30 am -
2 stops13h 20m
Thu 12/104:40 pm -
1 stop28h 00m
Deal found 11/5![WestJet logo]()
$424
This FlightHub deal was found by Cheapflights users on 11/8. 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.
Thu 12/177:00 am -
1 stop8h 47m
Sun 1/101:45 pm -
1 stop8h 04m
Deal found 11/8![Air Transat logo]()
$425
This Gotogate deal was found by Cheapflights users on 11/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:00 am -
1 stop8h 47m
Sat 1/161:45 pm -
1 stop8h 04m
Deal found 11/7![Air Transat logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/147:00 am -
1 stop8h 47m
Wed 1/64:21 pm -
2 stops28h 19m
Deal found 11/5![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:10 am -
1 stop12h 40m
Wed 1/64:21 pm -
2 stops28h 19m
Deal found 11/5![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/157:00 am -
2 stops29h 34m
Wed 1/69:15 am -
1 stop31h 40m
Deal found 11/5![Multiple Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:00 am -
1 stop8h 47m
Wed 1/64:21 pm -
2 stops28h 19m
Deal found 11/5![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 12/177:00 am -
1 stop8h 47m
Sun 1/1012:04 pm -
2 stops32h 36m
Deal found 11/8![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:00 am -
1 stop8h 47m
Fri 1/2212:01 pm -
2 stops21h 59m
Deal found 11/7![Multiple Airlines logo]()
$483
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 November 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 November 9, 2026.
This FlightHub deal was found by Cheapflights users on 11/8. 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.
Sun 2/284:15 pm -
1 stop26h 35m
Thu 3/44:40 pm -
1 stop18h 50m
Deal found 11/8![WestJet logo]()
$419
This Porter Airlines deal was found by Cheapflights users on 11/4. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/17:00 am -
1 stop8h 50m
Wed 3/31:45 pm -
1 stop7h 56m
Deal found 11/4![Porter Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/145:30 am -
2 stops16h 22m
Tue 1/196:00 am -
2 stops14h 40m
Deal found 11/5![Delta logo]()
$484
This Justfly.com deal was found by Cheapflights users on 11/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/167:00 am -
1 stop8h 50m
Mon 3/221:45 pm -
1 stop7h 56m
Deal found 11/8![Porter Airlines logo]()
$445
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/185:30 am -
2 stops14h 20m
Thu 3/255:40 pm -
2 stops27h 00m
Deal found 11/4![WestJet logo]()
$452
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/16:10 am -
1 stop12h 40m
Wed 3/36:05 am -
2 stops14h 35m
Deal found 11/5![Delta logo]()
$519
This Justfly.com deal was found by Cheapflights users on 11/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/157:00 am -
1 stop8h 50m
Mon 3/221:45 pm -
1 stop7h 56m
Deal found 11/4![Porter Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 11/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:30 am -
2 stops15h 44m
Fri 1/226:00 am -
2 stops14h 40m
Deal found 11/7![Delta logo]()
$532
Last-minute flights from Ottawa to San FranciscoDiscover last-minute flight deals from Ottawa to San Francisco. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Francisco. Data last updated November 9, 2026 and is based on user searches.
This Kissandfly.com deal was found by Cheapflights users on 11/5. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:30 am -
2 stops13h 20m
Thu 12/104:40 pm -
1 stop28h 00m
Deal found 11/5![WestJet logo]()
$424
This Gotogate deal was found by Cheapflights users on 11/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:00 am -
1 stop8h 47m
Sat 1/161:45 pm -
1 stop8h 04m
Deal found 11/7![Air Transat logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:10 am -
1 stop12h 40m
Wed 1/64:21 pm -
2 stops28h 19m
Deal found 11/5![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/147:00 am -
1 stop8h 47m
Wed 1/64:21 pm -
2 stops28h 19m
Deal found 11/5![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/157:00 am -
2 stops29h 34m
Wed 1/69:15 am -
1 stop31h 40m
Deal found 11/5![Multiple Airlines logo]()
$458
This FlightHub deal was found by Cheapflights users on 11/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:00 am -
1 stop8h 47m
Fri 1/221:45 pm -
1 stop8h 04m
Deal found 11/7![Porter Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:00 am -
1 stop8h 47m
Fri 1/2212:01 pm -
2 stops21h 59m
Deal found 11/7![Multiple Airlines logo]()
$483
This FlightHub deal was found by Cheapflights users on 11/8. 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.
Thu 12/177:00 am -
1 stop8h 47m
Sun 1/101:45 pm -
1 stop8h 04m
Deal found 11/8![Air Transat logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:00 am -
1 stop8h 47m
Wed 1/64:21 pm -
2 stops28h 19m
Deal found 11/5![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 12/177:00 am -
1 stop8h 47m
Sun 1/1012:04 pm -
2 stops32h 36m
Deal found 11/8![Multiple Airlines logo]()
$472
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 November 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 November 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/127:00 am -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Air Transat logo]()
$229
This Trip.com deal was found by Cheapflights users on 11/8. 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.
Fri 12/47:00 am -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Porter Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/107:00 am -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Air Transat logo]()
$234
This FlightHub deal was found by Cheapflights users on 11/8. 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.
Thu 12/35:30 am -
2 stops13h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![WestJet logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Wed 12/26:10 am -
2 stops34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$244
This Air Transat deal was found by Cheapflights users on 11/8. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Air Transat logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 12/75:40 pm -
2 stops18h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$250
This FlightHub deal was found by Cheapflights users on 11/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/57:00 am -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Air Transat logo]()
$252
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/207:00 am -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Air Transat logo]()
$253
This Porter Airlines deal was found by Cheapflights users on 11/6. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/16:55 pm -
2 stops20h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Porter Airlines logo]()
$254
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 November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $361 (FlightHub) |
One-way from | $229 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $563 |
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 November 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 Ottawa - SFO San Francisco
YOWSFO
Ottawa
Thu 12/3
7:00 am-12:47 pm
1 stop8h 47m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$246
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sat 5/1
6:55 pm-12:20 pm
2 stops20h 25m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$254
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Wed 4/7
5:30 am-6:48 pm
2 stops16h 18m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$289
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Tue 4/20
5:30 am-6:48 pm
2 stops16h 18m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$291
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Sun 11/29
8:30 am-1:26 pm
3 stops55h 56m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$313
Quickest round-trip
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Mon 11/30
7:00 am-12:44 pm
1 stop8h 44m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$321
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Mon 12/21
10:20 am-12:35 am
3 stops17h 15m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$326
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Tue 4/13
7:00 am-12:49 pm
1 stop8h 49m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$361
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Wed 12/23
9:45 am-11:59 pm
2 stops17h 14m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$370
OttawaSan Francisco
YOW Ottawa - SFO San Francisco
YOWSFO
Ottawa
Fri 12/25
6:15 am-2:57 pm
1 stop11h 42m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$370
Showing 1-10 of 18 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 November.
| 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
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 December is currently the most expensive (average of $608). 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 $413 and $692 in January.The cheapest round-trip price found within the last 5 days was $361 on Porter Airlines (Jan 14-Jan 19).
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 November 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.
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
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
Hayward
Emeryville
Newark
Burlingame
San Bruno
Rancho Cordova
Vallejo
Cupertino
Fairfield
Redwood City
San Carlos
Sunnyvale
Turlock
Davis
Morgan Hill
Roseville
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Alternative routes for Ottawa to San Francisco
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Ottawa and San Francisco flights
Browse other Ottawa and San Francisco flight options. Last updated on November 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 November 9, 2026.
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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 November 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 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$387 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$316 | Average$486 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$391 | Average$697 | FlexibilityNo cancel fee | On-time67% |