$185+ Cheap flights from Ottawa (YOW) to San Francisco (SFO)
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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
ago. 1 — ago. 81
Round-trip
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ottawa to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ottawa to San FranciscoExplore the most affordable flight options available from Ottawa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 2, 2026.
Explore the most affordable flight options available from Ottawa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 2, 2026.
This oojo deal was found by Cheapflights users on 7/1. 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.
vie. 8/286:00 am
YOW
- SFO
1 stop9h 00m
WestJet
lun. 8/316:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 7/1![WestJet logo]()
$320
This oojo deal was found by Cheapflights users on 7/1. 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.
jue. 8/136:00 am
YOW
- SFO
1 stop9h 00m
WestJet
mié. 8/196:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 7/1![WestJet logo]()
$326
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/1512:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
dom. 8/231:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Deal found 6/30![WestJet logo]()
$332
This oojo deal was found by Cheapflights users on 6/28. 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.
mié. 8/1912:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
mié. 8/266:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 6/28![WestJet logo]()
$339
This FlightHub deal was found by Cheapflights users on 6/30. 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.
mié. 8/266:00 am
YOW
- SFO
1 stop9h 00m
WestJet
lun. 8/311:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Deal found 6/30![WestJet logo]()
$340
This Kissandfly.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2012:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
mié. 8/266:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 6/27![WestJet logo]()
$349
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
jue. 8/276:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 6/30![WestJet logo]()
$350
Best flights from Ottawa to San FranciscoDiscover carefully curated flight deals from Ottawa to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 2, 2026.
Discover carefully curated flight deals from Ottawa to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 2, 2026.
This oojo deal was found by Cheapflights users on 6/28. 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.
mié. 8/196:00 am
YOW
- SFO
1 stop9h 00m
WestJet
mié. 8/266:05 pm
SFO
- YOW
1 stop8h 30m
WestJet
Deal found 6/28![WestJet logo]()
$341
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/216:00 am
YOW
- SFO
1 stop9h 00m
Delta
jue. 8/271:00 pm
SFO
- YOW
1 stop8h 40m
Delta
Deal found 6/30![Delta logo]()
$440
This Kissandfly.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/209:05 am
YOW
- SFO
2 stops16h 49m
Multiple Airlines
mar. 8/2512:29 am
SFO
- YOW
3 stops16h 35m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$498
This Kissandfly.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2012:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
mié. 8/266:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 6/27![WestJet logo]()
$349
This oojo deal was found by Cheapflights users on 7/1. 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.
mié. 9/166:55 am
YOW
- SFO
2 stops12h 45m
WestJet
mié. 9/236:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 7/1![WestJet logo]()
$359
This WestJet deal was found by Cheapflights users on 7/1. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/286:00 am
YOW
- SFO
1 stop9h 00m
WestJet
mar. 9/16:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 7/1![WestJet logo]()
$385
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
jue. 8/276:00 am
SFO
- YOW
2 stops15h 20m
WestJet
Deal found 6/30![WestJet logo]()
$393
This Mytrip deal was found by Cheapflights users on 6/28. 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.
mié. 8/197:00 am
YOW
- SFO
2 stops12h 40m
Multiple Airlines
mié. 8/266:00 am
SFO
- YOW
3 stops15h 20m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$524
Last-minute flights from Ottawa to San FranciscoDiscover last-minute flight deals from Ottawa to San Francisco. Data last updated julio 2, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Francisco. Data last updated julio 2, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/1. 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.
jue. 8/136:00 am
YOW
- SFO
1 stop9h 00m
WestJet
mié. 8/196:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 7/1![WestJet logo]()
$326
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/1512:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
dom. 8/231:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Deal found 6/30![WestJet logo]()
$332
This oojo deal was found by Cheapflights users on 6/28. 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.
mié. 8/1912:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
mié. 8/266:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 6/28![WestJet logo]()
$339
This Kissandfly.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2012:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
mié. 8/266:00 am
SFO
- YOW
1 stop10h 20m
WestJet
Deal found 6/27![WestJet logo]()
$349
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2112:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
jue. 8/276:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 6/30![WestJet logo]()
$350
This FlightHub deal was found by Cheapflights users on 6/30. 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.
mié. 8/266:00 am
YOW
- SFO
1 stop9h 00m
WestJet
lun. 8/311:00 pm
SFO
- YOW
1 stop8h 40m
WestJet
Deal found 6/30![WestJet logo]()
$340
This oojo deal was found by Cheapflights users on 7/1. 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.
vie. 8/286:00 am
YOW
- SFO
1 stop9h 00m
WestJet
lun. 8/316:00 am
SFO
- YOW
1 stop8h 15m
WestJet
Deal found 7/1![WestJet logo]()
$320
One-way flights from Ottawa to San FranciscoSearch for one-way flight options from Ottawa to San Francisco. Find affordable one-way fares based on user searches. Data last updated julio 2, 2026.
Search for one-way flight options from Ottawa to San Francisco. Find affordable one-way fares based on user searches. Data last updated julio 2, 2026.
This oojo deal was found by Cheapflights users on 7/1. 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.
vie. 8/286:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 7/1![WestJet logo]()
$185
This oojo deal was found by Cheapflights users on 7/1. 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.
sáb. 8/296:00 am
YOW
- SFO
1 stop9h 00m
WestJet
Deal found 7/1![WestJet logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
dom. 10/1812:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/30![WestJet logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
mié. 10/146:55 am
YOW
- SFO
2 stops12h 45m
WestJet
Deal found 6/30![WestJet logo]()
$209
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1512:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/30![WestJet logo]()
$210
This oojo deal was found by Cheapflights users on 7/1. 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.
vie. 8/146:15 pm
YOW
- SFO
2 stops25h 25m
WestJet
Deal found 7/1![WestJet logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
lun. 10/1212:25 pm
YOW
- SFO
2 stops12h 30m
WestJet
Deal found 6/30![WestJet logo]()
$216
This Justfly.com deal was found by Cheapflights users on 6/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/147:00 am
YOW
- SFO
1 stop8h 20m
Porter Airlines
Deal found 6/30![Porter Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
vie. 10/1612:25 pm
YOW
- SFO
3 stops22h 58m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$225
Find flight deals from Ottawa to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (oojo) |
One-way from | $185 (oojo) |
Popular in | May |
Cheapest in | September |
Average price | $507 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ottawa to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 2, 2026.
Use the filters below to find and compare flights from Ottawa to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
mié. 8/19
6:00 am-12:00 pm
1 stop9h 00m
San Francisco
mié. 8/26
6:05 pm-5:35 am
1 stop8h 30m
$341
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
jue. 8/20
12:25 pm-9:55 pm
2 stops12h 30m
San Francisco
mié. 8/26
6:00 am-7:20 pm
1 stop10h 20m
$349
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
mié. 9/16
6:55 am-4:40 pm
2 stops12h 45m
San Francisco
mié. 9/23
6:00 am-7:20 pm
1 stop10h 20m
$359
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
vie. 8/28
6:00 am-12:00 pm
1 stop9h 00m
San Francisco
mar. 9/1
6:00 am-7:20 pm
1 stop10h 20m
$385
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
vie. 8/21
12:25 pm-9:55 pm
2 stops12h 30m
San Francisco
jue. 8/27
6:00 am-12:20 am
2 stops15h 20m
$393
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
vie. 8/21
6:00 am-12:00 pm
1 stop9h 00m
San Francisco
jue. 8/27
1:00 pm-12:40 am
1 stop8h 40m
$440
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
jue. 8/20
9:05 am-10:54 pm
2 stops16h 49m
San Francisco
mar. 8/25
12:29 am-8:04 pm
3 stops16h 35m
$498
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
mié. 8/19
7:00 am-4:40 pm
2 stops12h 40m
San Francisco
mié. 8/26
6:00 am-12:20 am
3 stops15h 20m
$524
Cheapest one-way
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
mié. 10/21
7:00 am-12:20 pm
1 stop8h 20m
$234
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
mar. 10/13
7:00 am-12:20 pm
1 stop8h 20m
$240
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Ottawa to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to San Francisco in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ottawa-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ottawa-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ottawa to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Ottawa with our price prediction graph.
YOW-SFO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ottawa to San Francisco
How far ahead should I book a flight from Ottawa to San Francisco?
The best time to book flights from Ottawa to San Francisco is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Ottawa to San Francisco?
Currently, September is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $353). Flying from Ottawa to San Francisco in May is currently the most expensive (average of $558). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Ottawa to San Francisco?
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated julio 2, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,WestJet, andAir Canada from Ottawa to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.5
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.5
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.5
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.5
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Related info for your journey
Find useful and relevant information for your journey from Ottawa to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Fairfield
Burlingame
Redwood City
Rancho Cordova
Roseville
Cupertino
Emeryville
Newark
San Bruno
Watsonville
Hayward
San Ramon
San Carlos
Daly City
Turlock
Vallejo
San Lorenzo
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.
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Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ottawa to San Francisco by cabin class
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Ottawa and San Francisco flights
Browse other Ottawa and San Francisco flight options. Last updated on julio 2, 2026.
Other flights from Ottawa
Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on julio 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on julio 2, 2026.
Top 3 airlines flying from Ottawa to San Francisco
Discover the top 3 airlines that operate flights from Ottawa to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$376 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$292 | Average$484 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$335 | Average$672 | FlexibilityNo cancel fee | On-time67% |