$155+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YOW
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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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
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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 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 August 4, 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 August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/166:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Sun 9/2012:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 8/2![WestJet logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/166:05 pm
SFO
- YOW
1 stop8h 30m
Multiple Airlines
Wed 9/231:20 pm
YOW
- SFO
2 stops29h 26m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$360
This oojo deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 pm
SFO
- YOW
1 stop13h 35m
WestJet
Mon 10/58:15 pm
YOW
- SFO
1 stop18h 45m
WestJet
Deal found 8/1![WestJet logo]()
$363
This oojo deal was found by Cheapflights users on 7/31. 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 9/146:00 am
SFO
- YOW
1 stop20h 35m
WestJet
Thu 9/178:15 pm
YOW
- SFO
1 stop28h 40m
WestJet
Deal found 7/31![WestJet logo]()
$365
This oojo deal was found by Cheapflights users on 7/31. 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.
Sat 9/126:00 am
SFO
- YOW
1 stop20h 35m
WestJet
Mon 9/216:15 pm
YOW
- SFO
2 stops20h 45m
WestJet
Deal found 7/31![WestJet logo]()
$369
This oojo deal was found by Cheapflights users on 8/1. 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.
Sat 9/196:00 am
SFO
- YOW
2 stops26h 35m
WestJet
Tue 9/228:15 pm
YOW
- SFO
1 stop28h 40m
WestJet
Deal found 8/1![WestJet logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/156:00 am
SFO
- YOW
2 stops30h 12m
Multiple Airlines
Tue 9/228:15 pm
YOW
- SFO
1 stop18h 45m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$384
This oojo deal was found by Cheapflights users on 8/2. 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.
Sat 10/101:00 pm
SFO
- YOW
2 stops20h 30m
WestJet
Sat 10/1712:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 8/2![WestJet logo]()
$387
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 August 4, 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 August 4, 2026.
This oojo deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 pm
SFO
- YOW
2 stops20h 30m
WestJet
Mon 10/512:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 8/1![WestJet logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/181:10 pm
SFO
- YOW
2 stops13h 25m
Multiple Airlines
Wed 9/238:15 pm
YOW
- SFO
1 stop28h 40m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$426
This oojo deal was found by Cheapflights users on 7/31. 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 10/166:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Tue 10/206:15 pm
YOW
- SFO
2 stops20h 45m
WestJet
Deal found 7/31![WestJet logo]()
$403
This oojo deal was found by Cheapflights users on 8/2. 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 8/261:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Wed 9/26:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 8/2![WestJet logo]()
$415
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Mon 9/146:00 am
SFO
- YOW
2 stops15h 25m
Multiple Airlines
Mon 9/218:45 am
YOW
- SFO
3 stops30h 15m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/251:45 pm
SFO
- YOW
1 stop7h 58m
Multiple Airlines
Fri 10/306:00 am
YOW
- SFO
1 stop9h 10m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/1711:05 pm
SFO
- YOW
2 stops15h 18m
Multiple Airlines
Fri 8/216:00 am
YOW
- SFO
1 stop9h 00m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$547
This FlightHub deal was found by Cheapflights users on 7/30. 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 9/166:05 pm
SFO
- YOW
2 stops15h 25m
WestJet
Thu 9/2412:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 7/30![WestJet logo]()
$569
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Fri 10/96:25 pm
YOW
- SFO
2 stops44h 35m
WestJet
Deal found 7/29![WestJet logo]()
$576
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 pm
SFO
- YOW
1 stop13h 35m
Multiple Airlines
Fri 10/97:00 am
YOW
- SFO
1 stop8h 20m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$582
This FlightHub deal was found by Cheapflights users on 7/30. 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 9/186:00 am
SFO
- YOW
2 stops15h 20m
WestJet
Wed 9/236:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Deal found 7/30![WestJet logo]()
$589
This WestJet deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Tue 9/228:15 pm
YOW
- SFO
1 stop23h 25m
WestJet
Deal found 7/30![WestJet logo]()
$597
Last-minute flights from San Francisco to OttawaDiscover last-minute flight deals from San Francisco to Ottawa. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Ottawa. Data last updated August 4, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/31. 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.
Sat 9/126:00 am
SFO
- YOW
1 stop20h 35m
WestJet
Mon 9/216:15 pm
YOW
- SFO
2 stops20h 45m
WestJet
Deal found 7/31![WestJet logo]()
$369
This oojo deal was found by Cheapflights users on 7/31. 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 9/146:00 am
SFO
- YOW
1 stop20h 35m
WestJet
Mon 9/218:15 pm
YOW
- SFO
1 stop18h 45m
WestJet
Deal found 7/31![WestJet logo]()
$365
This oojo deal was found by Cheapflights users on 7/31. 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 9/146:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Thu 9/1712:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 7/31![WestJet logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/156:00 am
SFO
- YOW
2 stops30h 12m
Multiple Airlines
Tue 9/228:15 pm
YOW
- SFO
1 stop18h 45m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$384
This Justfly.com deal was found by Cheapflights users on 8/2. 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 9/156:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Sat 9/1912:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 8/2![WestJet logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/166:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Sun 9/2012:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 8/2![WestJet logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/166:05 pm
SFO
- YOW
1 stop8h 30m
Multiple Airlines
Wed 9/231:20 pm
YOW
- SFO
2 stops29h 26m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$360
This oojo deal was found by Cheapflights users on 8/1. 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.
Sat 9/196:00 am
SFO
- YOW
2 stops26h 35m
WestJet
Tue 9/228:15 pm
YOW
- SFO
1 stop28h 40m
WestJet
Deal found 8/1![WestJet logo]()
$370
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 August 4, 2026.
Search for one-way flight options from San Francisco to Ottawa. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This oojo deal was found by Cheapflights users on 8/2. 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.
Sat 9/196:00 am
SFO
- YOW
2 stops26h 35m
WestJet
Deal found 8/2![WestJet logo]()
$155
This oojo deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am
SFO
- YOW
1 stop20h 35m
WestJet
Deal found 8/1![WestJet logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/146:00 am
SFO
- YOW
2 stops30h 12m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/26:00 am
SFO
- YOW
2 stops10h 47m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$180
This FlightHub deal was found by Cheapflights users on 8/2. 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 9/226:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Deal found 8/2![WestJet logo]()
$181
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 7/29![WestJet logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:31 pm
SFO
- YOW
2 stops34h 04m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:58 pm
SFO
- YOW
2 stops36h 17m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/146:00 am
SFO
- YOW
3 stops15h 20m
WestJet
Deal found 7/31![WestJet logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/26:00 am
SFO
- YOW
3 stops15h 20m
WestJet
Deal found 8/1![WestJet logo]()
$207
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Kiwi.com) |
One-way from | $155 (oojo) |
Popular in | May |
Cheapest in | February |
Average price | $587 |
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 August 4, 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
Thu 10/1
1:00 pm-12:30 pm
2 stops20h 30m
Ottawa
Mon 10/5
12:25 pm-9:55 pm
2 stops12h 30m
$376
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 10/16
6:00 am-12:30 pm
2 stops27h 30m
Ottawa
Tue 10/20
6:15 pm-12:00 pm
2 stops20h 45m
$403
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Wed 8/26
1:00 pm-12:40 am
1 stop8h 40m
Ottawa
Wed 9/2
6:00 am-12:00 pm
1 stop9h 00m
$415
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 9/18
1:10 pm-5:35 am
2 stops13h 25m
Ottawa
Wed 9/23
8:15 pm-9:55 pm
1 stop28h 40m
$426
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Mon 9/14
6:00 am-12:25 am
2 stops15h 25m
Ottawa
Mon 9/21
8:45 am-12:00 pm
3 stops30h 15m
$489
Quickest round-trip
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sun 10/25
1:45 pm-12:43 am
1 stop7h 58m
Ottawa
Fri 10/30
6:00 am-12:10 pm
1 stop9h 10m
$506
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Mon 8/17
11:05 pm-5:23 pm
2 stops15h 18m
Ottawa
Fri 8/21
6:00 am-12:00 pm
1 stop9h 00m
$547
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Wed 9/16
6:05 pm-12:30 pm
2 stops15h 25m
Ottawa
Thu 9/24
12:25 pm-9:55 pm
2 stops12h 30m
$569
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Thu 10/1
6:00 am-12:30 pm
2 stops27h 30m
Ottawa
Fri 10/9
6:25 pm-12:00 pm
2 stops44h 35m
$576
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Thu 10/1
1:00 pm-5:35 am
1 stop13h 35m
Ottawa
Fri 10/9
7:00 am-12:20 pm
1 stop8h 20m
$582
Showing 1-10 of 21 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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?
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 23 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, February is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of $422). Flying from San Francisco to Ottawa in May is currently the most expensive (average of $856). 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 San Francisco to Ottawa?
Airfare is below average for this route at the moment.
San Francisco to Ottawa flights typically cost between $535 and $893 in September.The cheapest round-trip price found within the last 5 days was $359 on WestJet (Sep 16-Sep 20).
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 August 4, 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.
Crew
8.6
Overall
8.0
Food
7.5
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Overall
8.0
Food
7.5
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Overall
8.0
Food
7.5
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Overall
8.0
Food
7.5
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Overall
8.0
Food
7.5
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
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
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San Francisco and Ottawa flights
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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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$314 | Average$742 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$318 | Average$439 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$361 | Average$542 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$402 | Average$830 | FlexibilityNo cancel fee | On-time69% |