$156+ Cheap flights from San Francisco (SFO) to Ottawa (YOW)
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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YOW
Apr 12 — Apr 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Francisco to Ottawa 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 San Francisco to Ottawa
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to OttawaExplore the most affordable flight options available from San Francisco to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
Explore the most affordable flight options available from San Francisco to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
This Vliegwinkel deal was found by Cheapflights users on 3/10. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
SFO
- YOW
1 stop8h 15m
Multiple Airlines
Fri 5/87:00 am
YOW
- SFO
1 stop8h 20m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$350
This Trip.com deal was found by Cheapflights users on 3/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:45 pm
SFO
- YOW
1 stop7h 56m
Porter Airlines
Thu 4/166:45 am
YOW
- SFO
1 stop9h 00m
Porter Airlines
Deal found 3/12![Porter Airlines logo]()
$367
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Tue 6/96:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Deal found 3/10![WestJet logo]()
$368
This CheapTickets.ch deal was found by Cheapflights users on 3/9. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:45 pm
SFO
- YOW
1 stop7h 56m
Multiple Airlines
Thu 4/3012:25 pm
YOW
- SFO
2 stops12h 30m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$371
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Fri 5/86:15 pm
YOW
- SFO
2 stops20h 45m
WestJet
Deal found 3/10![WestJet logo]()
$373
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/121:45 pm
SFO
- YOW
1 stop7h 56m
Multiple Airlines
Tue 4/215:45 pm
YOW
- SFO
1 stop21h 20m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$376
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:45 pm
SFO
- YOW
1 stop7h 56m
Multiple Airlines
Sun 4/2612:25 pm
YOW
- SFO
2 stops12h 30m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$381
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:05 pm
SFO
- YOW
1 stop8h 30m
Multiple Airlines
Tue 6/97:00 am
YOW
- SFO
1 stop8h 20m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$389
This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Thu 6/2512:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 3/11![WestJet logo]()
$390
This Mytrip deal was found by Cheapflights users on 3/9. 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.
Sun 4/191:00 pm
SFO
- YOW
1 stop8h 40m
Multiple Airlines
Wed 4/226:45 am
YOW
- SFO
1 stop9h 00m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$408
Best flights from San Francisco to OttawaDiscover carefully curated flight deals from San Francisco to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from San Francisco to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This Air Canada deal was found by Cheapflights users on 3/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
SFO
- YOW
1 stop9h 45m
Air Canada
Fri 5/17:00 am
YOW
- SFO
1 stop8h 40m
Air Canada
Deal found 3/11![Air Canada logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Fri 4/101:45 pm
SFO
- YOW
1 stop7h 56m
Multiple Airlines
Mon 4/137:15 pm
YOW
- SFO
2 stops19h 55m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$452
This oojo deal was found by Cheapflights users on 3/8. 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 5/126:00 am
SFO
- YOW
2 stops39h 20m
WestJet
Mon 5/186:55 am
YOW
- SFO
2 stops32h 05m
WestJet
Deal found 3/8![WestJet logo]()
$472
This FlightHub deal was found by Cheapflights users on 3/8. 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.
Sat 4/41:45 pm
SFO
- YOW
1 stop7h 56m
Porter Airlines
Wed 4/86:45 am
YOW
- SFO
1 stop9h 00m
Porter Airlines
Deal found 3/8![Porter Airlines logo]()
$490
This Air Canada deal was found by Cheapflights users on 3/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:30 pm
SFO
- YOW
1 stop8h 06m
Air Canada
Wed 4/157:45 am
YOW
- SFO
1 stop10h 47m
Air Canada
Deal found 3/11![Air Canada logo]()
$412
This Air Canada deal was found by Cheapflights users on 3/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:30 pm
SFO
- YOW
1 stop8h 06m
Air Canada
Mon 4/132:05 pm
YOW
- SFO
1 stop10h 25m
Air Canada
Deal found 3/12![Air Canada logo]()
$420
This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Mon 6/296:15 pm
YOW
- SFO
2 stops20h 45m
WestJet
Deal found 3/11![WestJet logo]()
$489
This WestJet deal was found by Cheapflights users on 3/10. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:00 pm
SFO
- YOW
1 stop13h 35m
WestJet
Fri 5/14:15 pm
YOW
- SFO
1 stop22h 45m
WestJet
Deal found 3/10![WestJet logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Fri 7/101:20 pm
SFO
- YOW
1 stop8h 00m
Multiple Airlines
Wed 7/156:00 am
YOW
- SFO
2 stops18h 04m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$586
Last-minute flights from San Francisco to OttawaDiscover last-minute flight deals from San Francisco to Ottawa. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Ottawa. Data last updated March 13, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 3/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:30 pm
SFO
- YOW
1 stop8h 06m
Air Canada
Wed 4/157:45 am
YOW
- SFO
1 stop10h 47m
Air Canada
Deal found 3/11![Air Canada logo]()
$412
This Trip.com deal was found by Cheapflights users on 3/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:45 pm
SFO
- YOW
1 stop7h 56m
Porter Airlines
Thu 4/166:45 am
YOW
- SFO
1 stop9h 00m
Porter Airlines
Deal found 3/12![Porter Airlines logo]()
$367
This Air Canada deal was found by Cheapflights users on 3/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:30 pm
SFO
- YOW
1 stop8h 06m
Air Canada
Mon 4/132:05 pm
YOW
- SFO
1 stop10h 25m
Air Canada
Deal found 3/12![Air Canada logo]()
$420
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/121:45 pm
SFO
- YOW
1 stop7h 56m
Multiple Airlines
Tue 4/215:45 pm
YOW
- SFO
1 stop21h 20m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$376
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:45 pm
SFO
- YOW
1 stop7h 56m
Multiple Airlines
Sun 4/2612:25 pm
YOW
- SFO
2 stops12h 30m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$381
This Mytrip deal was found by Cheapflights users on 3/9. 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.
Sun 4/191:00 pm
SFO
- YOW
1 stop8h 40m
Multiple Airlines
Wed 4/226:45 am
YOW
- SFO
1 stop9h 00m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Tue 4/211:45 pm
SFO
- YOW
1 stop7h 56m
Multiple Airlines
Tue 6/167:20 am
YOW
- SFO
1 stop12h 20m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$415
This CheapTickets.ch deal was found by Cheapflights users on 3/9. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:45 pm
SFO
- YOW
1 stop7h 56m
Multiple Airlines
Thu 4/3012:25 pm
YOW
- SFO
2 stops12h 30m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$371
This flugladen.de deal was found by Cheapflights users on 3/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:45 pm
SFO
- YOW
1 stop7h 56m
Porter Airlines
Fri 5/17:00 am
YOW
- SFO
1 stop8h 20m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$430
This Air Canada deal was found by Cheapflights users on 3/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
SFO
- YOW
1 stop9h 45m
Air Canada
Fri 5/16:20 pm
YOW
- SFO
2 stops19h 00m
Air Canada
Deal found 3/11![Air Canada logo]()
$428
One-way flights from San Francisco to OttawaSearch for one-way flight options from San Francisco to Ottawa. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from San Francisco to Ottawa. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Gotogate deal was found by Cheapflights users on 3/9. 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.
Mon 5/256:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 3/9![WestJet logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/166:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/9![WestJet logo]()
$164
This oojo deal was found by Cheapflights users on 3/9. 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 5/296:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 3/9![WestJet logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/286:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/9![WestJet logo]()
$169
This Trip.com deal was found by Cheapflights users on 3/9. 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 4/291:45 pm
SFO
- YOW
1 stop7h 56m
Porter Airlines
Deal found 3/9![Porter Airlines logo]()
$173
This Air Canada deal was found by Cheapflights users on 3/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 pm
SFO
- YOW
1 stop9h 45m
Air Canada
Deal found 3/12![Air Canada logo]()
$175
This FlightHub deal was found by Cheapflights users on 3/9. 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 5/156:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 3/9![WestJet logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 3/9![WestJet logo]()
$179
This Air Canada deal was found by Cheapflights users on 3/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:30 pm
SFO
- YOW
1 stop8h 06m
Air Canada
Deal found 3/12![Air Canada logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/301:00 pm
SFO
- YOW
2 stops20h 30m
WestJet
Deal found 3/9![WestJet logo]()
$187
This deal was found by Cheapflights users on 3/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 3/10![WestJet logo]()
$188
Find flight deals from San Francisco to Ottawa
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Ottawa (YOW). 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 March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $350 (Vliegwinkel) |
One-way from | $156 (Gotogate) |
Popular in | December |
Cheapest in | June |
Average price | $435 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Ottawa 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 March 13, 2026.
Use the filters below to find and compare flights from San Francisco to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Wed 4/29
6:00 pm-6:45 am
1 stop9h 45m
Ottawa
Fri 5/1
7:00 am-12:40 pm
1 stop8h 40m
$412
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Wed 4/8
2:30 pm-1:36 am
1 stop8h 06m
Ottawa
Wed 4/15
7:45 am-3:32 pm
1 stop10h 47m
$412
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 4/10
2:30 pm-1:36 am
1 stop8h 06m
Ottawa
Mon 4/13
2:05 pm-9:30 pm
1 stop10h 25m
$420
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 4/10
1:45 pm-12:41 am
1 stop7h 56m
Ottawa
Mon 4/13
7:15 pm-12:10 pm
2 stops19h 55m
$452
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Tue 5/12
6:00 am-12:20 am
2 stops39h 20m
Ottawa
Mon 5/18
6:55 am-12:00 pm
2 stops32h 05m
$472
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Wed 6/24
6:00 am-12:30 pm
2 stops27h 30m
Ottawa
Mon 6/29
6:15 pm-12:00 pm
2 stops20h 45m
$489
Quickest round-trip
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sat 4/4
1:45 pm-12:41 am
1 stop7h 56m
Ottawa
Wed 4/8
6:45 am-12:45 pm
1 stop9h 00m
$490
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Wed 4/29
1:00 pm-5:35 am
1 stop13h 35m
Ottawa
Fri 5/1
4:15 pm-12:00 pm
1 stop22h 45m
$497
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 7/10
1:20 pm-12:20 am
1 stop8h 00m
Ottawa
Wed 7/15
6:00 am-9:04 pm
2 stops18h 04m
$586
Cheapest one-way
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 5/29
6:05 pm-5:35 am
1 stop8h 30m
$165
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Ottawa
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 San Francisco to Ottawa in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Ottawa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Ottawa 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 San Francisco-Ottawa 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 San Francisco to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from San Francisco with our price prediction graph.
SFO-YOW
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 San Francisco to Ottawa
How far ahead should I book a flight from San Francisco to Ottawa?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Ottawa. Price data was last updated on March 6, 2026.
The price you pay for your flight from San Francisco to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco to Ottawa?
Currently, September is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of $142). Flying from San Francisco to Ottawa in November is currently the most expensive (average of $327). 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.
Reviews of airlines servicing Ottawa
Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated March 13, 2026.
Get a feel of what it's like to fly with Porter Airlines,United Airlines, andWestJet from San Francisco to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.0
Food
7.6
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Entertainment
7.0
Food
7.6
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Entertainment
7.0
Food
7.6
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Entertainment
7.0
Food
7.6
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Entertainment
7.0
Food
7.6
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Ottawa. 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 Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
Petawawa
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Francisco
Ottawa flight routes
Popular flights
Alternative routes for San Francisco to Ottawa
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Ottawa by cabin class
Find flights from San Francisco to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Ottawa flights
Browse other San Francisco and Ottawa flight options. Last updated on March 13, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on March 13, 2026.
Other flights to Ottawa
Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Francisco to Ottawa
Discover the top 4 airlines that operate flights from San Francisco to Ottawa. 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 March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$451 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$269 | Average$410 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$296 | Average$590 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$447 | Average$652 | FlexibilityNo cancel fee | On-time69% |