$154+ 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YOW
May 24 — May 311
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Ottawa with Cheapflights
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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 April 24, 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 April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 7/136:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Fri 7/246:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 4/19![WestJet logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 7/141:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Fri 7/246:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 4/19![WestJet logo]()
$326
This Trip.com deal was found by Cheapflights users on 4/20. 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.
Sat 8/226:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Sat 9/512:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 4/20![WestJet logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 7/136:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Wed 7/296:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 4/19![WestJet logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 7/146:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Tue 7/286:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 4/19![WestJet logo]()
$335
This Trip.com deal was found by Cheapflights users on 4/19. 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 9/96:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Mon 9/214:15 pm
YOW
- SFO
1 stop22h 45m
WestJet
Deal found 4/19![WestJet logo]()
$337
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Sat 10/36:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Wed 10/76:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Deal found 4/23![WestJet logo]()
$340
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Sat 10/36:00 am
SFO
- YOW
1 stop8h 15m
Multiple Airlines
Wed 10/77:00 am
YOW
- SFO
1 stop8h 20m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$356
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 April 24, 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 April 24, 2026.
This Delta deal was found by Cheapflights users on 4/20. 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 9/1910:45 pm
SFO
- YOW
2 stops15h 50m
Delta
Sat 9/266:55 am
YOW
- SFO
2 stops15h 29m
Delta
Deal found 4/20![Delta logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 7/1311:52 pm
SFO
- YOW
2 stops14h 48m
Multiple Airlines
Sun 7/196:00 am
YOW
- SFO
1 stop9h 00m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$519
This oojo deal was found by Cheapflights users on 4/23. 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 6/66:05 pm
SFO
- YOW
2 stops15h 25m
WestJet
Sun 6/74:15 pm
YOW
- SFO
1 stop27h 25m
WestJet
Deal found 4/23![WestJet logo]()
$600
This Delta deal was found by Cheapflights users on 4/19. 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.
Sun 7/1211:56 pm
SFO
- YOW
2 stops14h 39m
Delta
Tue 7/286:00 am
YOW
- SFO
1 stop9h 00m
Delta
Deal found 4/19![Delta logo]()
$498
This Trip.com deal was found by Cheapflights users on 4/22. 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.
Mon 6/151:20 pm
SFO
- YOW
1 stop8h 05m
Multiple Airlines
Sat 6/206:55 am
YOW
- SFO
2 stops12h 45m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 4/23. 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 7/1411:32 pm
SFO
- YOW
2 stops15h 03m
Delta
Thu 7/306:55 am
YOW
- SFO
2 stops16h 10m
Delta
Deal found 4/23![Delta logo]()
$595
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Sat 6/66:05 pm
SFO
- YOW
1 stop8h 30m
Multiple Airlines
Sun 6/712:25 pm
YOW
- SFO
3 stops32h 35m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$670
This Delta deal was found by Cheapflights users on 4/19. 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 7/166:05 pm
SFO
- YOW
1 stop8h 30m
Delta
Sat 7/256:00 am
YOW
- SFO
2 stops16h 30m
Delta
Deal found 4/19![Delta logo]()
$627
This Delta deal was found by Cheapflights users on 4/21. 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 5/135:50 am
SFO
- YOW
2 stops8h 45m
Delta
Tue 5/196:55 am
YOW
- SFO
2 stops15h 10m
Delta
Deal found 4/21![Delta logo]()
$627
This Delta deal was found by Cheapflights users on 4/19. 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 7/136:05 pm
SFO
- YOW
1 stop8h 30m
Delta
Sat 7/257:20 am
YOW
- SFO
2 stops16h 57m
Delta
Deal found 4/19![Delta logo]()
$627
This Delta deal was found by Cheapflights users on 4/19. 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 7/116:00 am
SFO
- YOW
1 stop8h 15m
Delta
Sat 7/257:20 am
YOW
- SFO
2 stops16h 57m
Delta
Deal found 4/19![Delta logo]()
$627
This Delta deal was found by Cheapflights users on 4/19. 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.
Sun 7/1211:56 pm
SFO
- YOW
2 stops14h 39m
Delta
Sun 7/266:00 am
YOW
- SFO
2 stops18h 17m
Delta
Deal found 4/19![Delta logo]()
$656
Last-minute flights from San Francisco to OttawaDiscover last-minute flight deals from San Francisco to Ottawa. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Ottawa. Data last updated April 24, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 4/20. 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 5/56:00 am
SFO
- YOW
1 stop8h 15m
Multiple Airlines
Tue 6/27:00 am
YOW
- SFO
1 stop8h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$460
This FlightHub deal was found by Cheapflights users on 4/20. 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 5/56:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Tue 6/26:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Deal found 4/20![WestJet logo]()
$466
This Trip.com deal was found by Cheapflights users on 4/21. 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 5/131:20 pm
SFO
- YOW
1 stop8h 05m
Multiple Airlines
Tue 5/191:20 pm
YOW
- SFO
1 stop11h 35m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/131:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Thu 5/287:00 am
YOW
- SFO
1 stop8h 23m
Porter Airlines
Deal found 4/23![Porter Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/131:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Sat 5/307:00 am
YOW
- SFO
1 stop8h 23m
Porter Airlines
Deal found 4/23![Porter Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/131:20 pm
SFO
- YOW
1 stop8h 05m
Multiple Airlines
Wed 5/271:20 pm
YOW
- SFO
1 stop11h 35m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/1611:31 am
SFO
- YOW
2 stops15h 04m
Multiple Airlines
Thu 5/287:00 am
YOW
- SFO
1 stop8h 23m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/1611:31 am
SFO
- YOW
2 stops15h 04m
Multiple Airlines
Sat 5/307:00 am
YOW
- SFO
1 stop8h 23m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$475
This Justfly.com deal was found by Cheapflights users on 4/23. 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.
Sat 5/166:00 am
SFO
- YOW
2 stops27h 30m
Multiple Airlines
Sat 5/237:00 am
YOW
- SFO
1 stop8h 23m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 stop20h 35m
WestJet
Wed 5/271:20 pm
YOW
- SFO
1 stop11h 35m
WestJet
Deal found 4/23![WestJet logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/281:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Mon 6/17:00 am
YOW
- SFO
1 stop8h 20m
Porter Airlines
Deal found 4/23![Porter Airlines logo]()
$444
This Trip.com deal was found by Cheapflights users on 4/23. 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 5/281:20 pm
SFO
- YOW
1 stop8h 05m
Multiple Airlines
Mon 6/16:15 pm
YOW
- SFO
2 stops25h 25m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$455
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 April 24, 2026.
Search for one-way flight options from San Francisco to Ottawa. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This FlightHub deal was found by Cheapflights users on 4/19. 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 6/286:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 4/19![WestJet logo]()
$154
This Booking.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:00 pm
SFO
- YOW
2 stops20h 30m
WestJet
Deal found 4/19![WestJet logo]()
$171
This Booking.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am
SFO
- YOW
2 stops27h 30m
WestJet
Deal found 4/19![WestJet logo]()
$174
This Trip.com deal was found by Cheapflights users on 4/23. 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 7/96:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 4/23![WestJet logo]()
$182
This FlightHub deal was found by Cheapflights users on 4/19. 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 6/236:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 4/19![WestJet logo]()
$189
This FlightHub deal was found by Cheapflights users on 4/23. 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 7/206:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 4/23![WestJet logo]()
$190
This Delta deal was found by Cheapflights users on 4/19. 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 10/166:00 am
SFO
- YOW
1 stop10h 20m
Delta
Deal found 4/19![Delta logo]()
$199
This FlightHub deal was found by Cheapflights users on 4/23. 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 5/86:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 4/23![WestJet logo]()
$201
This FlightHub deal was found by Cheapflights users on 4/23. 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 7/91:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Deal found 4/23![Porter Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 4/19. 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
2 stops15h 25m
WestJet
Deal found 4/19![WestJet logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 6/1610:58 pm
SFO
- YOW
3 stops27h 37m
Multiple Airlines
Deal found 4/19![Multiple Airlines 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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $324 (Kiwi.com) |
One-way from | $154 (FlightHub) |
Popular in | April |
Cheapest in | September |
Average price | $722 |
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 April 24, 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
Sat 9/19
10:45 pm-5:35 pm
2 stops15h 50m
Ottawa
Sat 9/26
6:55 am-7:24 pm
2 stops15h 29m
$492
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sun 7/12
11:56 pm-5:35 pm
2 stops14h 39m
Ottawa
Tue 7/28
6:00 am-12:00 pm
1 stop9h 00m
$498
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Mon 7/13
11:52 pm-5:40 pm
2 stops14h 48m
Ottawa
Sun 7/19
6:00 am-12:00 pm
1 stop9h 00m
$519
Quickest round-trip
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Mon 6/15
1:20 pm-12:25 am
1 stop8h 05m
Ottawa
Sat 6/20
6:55 am-4:40 pm
2 stops12h 45m
$568
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Tue 7/14
11:32 pm-5:35 pm
2 stops15h 03m
Ottawa
Thu 7/30
6:55 am-8:05 pm
2 stops16h 10m
$595
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sat 6/6
6:05 pm-12:30 pm
2 stops15h 25m
Ottawa
Sun 6/7
4:15 pm-4:40 pm
1 stop27h 25m
$600
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Thu 7/16
6:05 pm-5:35 am
1 stop8h 30m
Ottawa
Sat 7/25
6:00 am-7:30 pm
2 stops16h 30m
$627
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Wed 5/13
5:50 am-5:35 pm
2 stops8h 45m
Ottawa
Tue 5/19
6:55 am-7:05 pm
2 stops15h 10m
$627
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Mon 7/13
6:05 pm-5:35 am
1 stop8h 30m
Ottawa
Sat 7/25
7:20 am-9:17 pm
2 stops16h 57m
$627
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sat 7/11
6:00 am-5:15 pm
1 stop8h 15m
Ottawa
Sat 7/25
7:20 am-9:17 pm
2 stops16h 57m
$627
Showing 1-10 of 20 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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, September is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of $393). Flying from San Francisco to Ottawa in April is currently the most expensive (average of $722). 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?
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 April 24, 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.
Boarding
8.2
Food
7.6
Overall
8.0
Entertainment
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Boarding
8.2
Food
7.6
Overall
8.0
Entertainment
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Boarding
8.2
Food
7.6
Overall
8.0
Entertainment
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Boarding
8.2
Food
7.6
Overall
8.0
Entertainment
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Boarding
8.2
Food
7.6
Overall
8.0
Entertainment
7.0
Crew
8.6
Comfort
8.0
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
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Search flights from San Francisco to Ottawa by cabin class
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San Francisco and Ottawa flights
Browse other San Francisco and Ottawa flight options. Last updated on April 24, 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 April 24, 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 April 24, 2026.
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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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$417 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$324 | Average$676 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$348 | Average$520 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$402 | Average$786 | FlexibilityNo cancel fee | On-time69% |