$175+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YOW
Jul 12 — Jul 191
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
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 June 12, 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 June 12, 2026.
This CheapOair deal was found by Cheapflights users on 6/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Mon 8/246:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 6/7![WestJet logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Fri 7/246:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 6/10![WestJet logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/106:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Mon 8/1712:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/7![WestJet logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Tue 8/186:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Sat 8/2212:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/7![WestJet logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Thu 8/206:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Mon 8/2412:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/7![WestJet logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Thu 8/201:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Thu 8/276:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 6/7![WestJet logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/156:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Wed 8/2612:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/7![WestJet logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Fri 8/216:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Sun 8/306:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Deal found 6/7![WestJet logo]()
$421
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 June 12, 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 June 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 8/46:00 am
SFO
- YOW
1 stop8h 15m
Multiple Airlines
Sun 8/97:20 am
YOW
- SFO
2 stops28h 23m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$493
This KAYAK deal was found by Cheapflights users on 6/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Thu 8/206:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 6/9![WestJet logo]()
$499
This Porter Airlines deal was found by Cheapflights users on 6/8. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:40 pm
SFO
- YOW
1 stop7h 59m
Porter Airlines
Mon 11/26:45 am
YOW
- SFO
1 stop8h 55m
Porter Airlines
Deal found 6/8![Porter Airlines logo]()
$562
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
SFO
- YOW
1 stop10h 20m
Delta
Fri 7/316:55 am
YOW
- SFO
2 stops18h 54m
Delta
Deal found 6/10![Delta logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 8/61:00 pm
SFO
- YOW
1 stop13h 35m
Multiple Airlines
Mon 8/107:20 am
YOW
- SFO
2 stops16h 20m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 8/2110:00 pm
SFO
- YOW
2 stops16h 35m
Delta
Fri 8/286:55 am
YOW
- SFO
2 stops14h 18m
Delta
Deal found 6/7![Delta logo]()
$644
This Porter Airlines deal was found by Cheapflights users on 6/11. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:20 pm
SFO
- YOW
1 stop8h 05m
Porter Airlines
Mon 7/207:00 am
YOW
- SFO
1 stop8h 20m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$667
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 8/2110:00 pm
SFO
- YOW
2 stops16h 35m
Delta
Tue 8/256:55 am
YOW
- SFO
2 stops18h 05m
Delta
Deal found 6/7![Delta logo]()
$644
This Delta deal was found by Cheapflights users on 6/7. 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.
Sat 8/1510:00 pm
SFO
- YOW
2 stops16h 35m
Delta
Fri 8/216:55 am
YOW
- SFO
2 stops15h 44m
Delta
Deal found 6/7![Delta logo]()
$644
This Delta deal was found by Cheapflights users on 6/7. 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.
Tue 8/186:13 am
SFO
- YOW
2 stops15h 07m
Delta
Tue 8/256:55 am
YOW
- SFO
2 stops18h 05m
Delta
Deal found 6/7![Delta logo]()
$644
This Delta deal was found by Cheapflights users on 6/7. 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.
Sat 9/1910:59 pm
SFO
- YOW
2 stops15h 36m
Delta
Tue 9/226:55 am
YOW
- SFO
2 stops17h 58m
Delta
Deal found 6/7![Delta logo]()
$646
Last-minute flights from San Francisco to OttawaDiscover last-minute flight deals from San Francisco to Ottawa. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Ottawa. Data last updated June 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Tue 7/76:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Tue 7/2812:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/7![WestJet logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 7/136:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Wed 7/2912:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/10![WestJet logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/146:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Tue 7/281:20 pm
YOW
- SFO
1 stop11h 35m
WestJet
Deal found 6/12![WestJet logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Fri 7/246:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 6/10![WestJet logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Wed 8/512:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/10![WestJet logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/301:00 pm
SFO
- YOW
2 stops20h 30m
WestJet
Thu 8/276:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 6/9![WestJet logo]()
$450
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 June 12, 2026.
Search for one-way flight options from San Francisco to Ottawa. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This CheapOair deal was found by Cheapflights users on 6/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 6/8![WestJet logo]()
$175
This FlightHub deal was found by Cheapflights users on 6/11. 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 7/86:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 6/11![WestJet logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Wed 8/1910:50 pm
SFO
- YOW
3 stops27h 45m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 6/11![WestJet logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 8/186:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 6/10![WestJet logo]()
$208
This iWofly deal was found by Cheapflights users on 6/9. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 6/9![WestJet logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 9/306:30 am
SFO
- YOW
2 stops20h 05m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 8/178:23 pm
SFO
- YOW
2 stops30h 12m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sat 8/156:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 6/10![WestJet logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:23 pm
SFO
- YOW
2 stops30h 12m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:11 pm
SFO
- YOW
3 stops35h 24m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$221
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 June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $398 (CheapOair) |
One-way from | $175 (CheapOair) |
Popular in | May |
Cheapest in | February |
Average price | $527 |
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 June 12, 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
Tue 8/4
6:00 am-5:15 pm
1 stop8h 15m
Ottawa
Sun 8/9
7:20 am-8:43 am
2 stops28h 23m
$493
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Mon 8/17
6:00 am-5:15 pm
1 stop8h 15m
Ottawa
Thu 8/20
6:00 am-12:00 pm
1 stop9h 00m
$499
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Thu 8/6
1:00 pm-5:35 am
1 stop13h 35m
Ottawa
Mon 8/10
7:20 am-8:40 pm
2 stops16h 20m
$518
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 10/30
1:40 pm-12:39 am
1 stop7h 59m
Ottawa
Mon 11/2
6:45 am-12:40 pm
1 stop8h 55m
$562
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Tue 7/14
6:00 am-7:20 pm
1 stop10h 20m
Ottawa
Fri 7/31
6:55 am-10:49 pm
2 stops18h 54m
$626
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 8/21
10:00 pm-5:35 pm
2 stops16h 35m
Ottawa
Fri 8/28
6:55 am-6:13 pm
2 stops14h 18m
$644
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Fri 8/21
10:00 pm-5:35 pm
2 stops16h 35m
Ottawa
Tue 8/25
6:55 am-10:00 pm
2 stops18h 05m
$644
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sat 8/15
10:00 pm-5:35 pm
2 stops16h 35m
Ottawa
Fri 8/21
6:55 am-7:39 pm
2 stops15h 44m
$644
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Tue 8/18
6:13 am-12:20 am
2 stops15h 07m
Ottawa
Tue 8/25
6:55 am-10:00 pm
2 stops18h 05m
$644
San FranciscoOttawa
SFO - YOW
SFOYOW
San Francisco
Sat 9/19
10:59 pm-5:35 pm
2 stops15h 36m
Ottawa
Tue 9/22
6:55 am-9:53 pm
2 stops17h 58m
$646
Showing 1-10 of 22 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 June.
| 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 43 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?
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 June 12, 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
Crew
8.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Food
7.6
Crew
8.6
Entertainment
6.9
Overall
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
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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 June 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$269 | Average$407 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$328 | Average$744 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$361 | Average$521 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$402 | Average$830 | FlexibilityNo cancel fee | On-time69% |