HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$160+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ottawa to San Francisco 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.

The best prices from Ottawa to San Francisco are usually found in January or September, booked 50 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap 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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Round-trip from

$294
(Air Canada)

One-way from

$160
(Mytrip)
Provider with most accurate pricing for Ottawa-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-San Francisco flights.
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Best time to find cheap flights, 13% potential price drop
Search Deals
From Ottawa to San Francisco
Search Deals
One-way flight from Ottawa to San Francisco
Search Deals

Find flight deals from Ottawa to San Francisco

Cheapest flights from Ottawa to San Francisco
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 November 20, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/116:10 pmYOW - SFO
1 stop16h 04mMultiple Airlines
Tue 1/217:10 pmSFO - YOW
2 stops22h 40mMultiple Airlines
Deal found 11/19$300
This Porter Airlines deal was found by Cheapflights users on 11/19. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:25 amYOW - SFO
1 stop8h 59mPorter Airlines
Sat 1/181:30 pmSFO - YOW
1 stop8h 10mPorter Airlines
Deal found 11/19$303
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/92:10 pmYOW - SFO
1 stop8h 57mAir Canada
Mon 12/911:27 pmSFO - YOW
1 stop8h 10mAir Canada
Deal found 11/19$318
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/42:10 pmYOW - SFO
1 stop10h 32mUnited Airlines
Wed 12/411:45 pmSFO - YOW
1 stop7h 46mUnited Airlines
Deal found 11/19$323
This CheapTicketsDeal deal was found by Cheapflights users on 11/19. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:15 amYOW - SFO
1 stop9h 50mWestJet
Tue 12/311:55 pmSFO - YOW
1 stop23h 53mWestJet
Deal found 11/19$619
This Delta deal was found by Cheapflights users on 11/19. 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 12/236:15 amYOW - SFO
1 stop9h 50mDelta
Tue 12/316:00 amSFO - YOW
2 stops15h 46mDelta
Deal found 11/19$979

Find flights from Ottawa to San Francisco within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 1/24

2:45 pm-9:51 pm

1 stop10h 06m

San Francisco

Sun 2/2

11:22 pm-10:37 am

1 stop8h 15m

$294

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 1/24

6:15 am-1:05 pm

1 stop9h 50m

San Francisco

Sun 2/2

1:55 pm-5:29 am

2 stops12h 34m

$296

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 12/11

6:10 pm-7:14 am

1 stop16h 04m

San Francisco

Tue 1/21

7:10 pm-8:50 pm

2 stops22h 40m

$300

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 12/13

6:25 am-12:24 pm

1 stop8h 59m

San Francisco

Tue 1/21

1:30 pm-12:40 am

1 stop8h 10m

$303

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 1/13

5:00 pm-11:13 pm

1 stop9h 13m

San Francisco

Sat 1/18

6:38 am-9:24 pm

2 stops11h 46m

$307

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 3/7

6:15 am-7:50 pm

2 stops16h 35m

San Francisco

Sun 3/9

6:00 am-12:09 am

2 stops15h 09m

$707

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 1/24

6:20 am-12:24 pm

1 stop9h 04m

$160

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 1/10

6:20 am-10:56 pm

2 stops19h 36m

$181

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 12/4

2:10 pm-9:42 pm

1 stop10h 32m

$183

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sun 1/12

6:10 pm-7:14 am

1 stop16h 04m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 12 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Travel insights for flights from Ottawa to San Francisco

Get recent, data-driven insights about flights from Ottawa to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ottawa to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to San Francisco. Price data was last updated on November 15, 2024.

The best time to book flights from Ottawa to San Francisco is 50 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, January is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $276). Flying from Ottawa to San Francisco in June is currently the most expensive (average of $381). 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.

What is the cheapest time of day to fly from YOW to SFO?

Find hourly flight availability from Ottawa to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

It’s typically best to fly out from Ottawa to San Francisco in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 November 20, 2024.
See what other customers who have flown with WestJet and United Airlines from Ottawa to San Francisco have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines
7.8
Good
288 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.3
Good
2,811 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,237 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Ottawa to San Francisco round-trip?

    Currently priced at $294, Air Canada will fly you from Ottawa to San Francisco and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and Porter Airlines - these airlines can fly you to your destination from $296 and $303, respectively. Air Canada is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ottawa to San Francisco one-way?

    The cheapest airlines for a one-way flight from Ottawa to San Francisco are Porter Airlines ($160), United Airlines ($181), and Air Canada ($183).

  • Can I find deals for flights from Ottawa to San Francisco that include hotel bookings?

    Yes. In addition to deals on Ottawa to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to San Francisco.

  • Can I find deals for business class flights from Ottawa to San Francisco?

    Yes. Cheapflights offers flight deals from Ottawa to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $276). Flying from Ottawa to San Francisco in June is currently the most expensive (average of $381). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to San Diego flights
Pearson Intl to Ontario flights
Toronto Island to Los Angeles flights
Pearson Intl to Palm Springs flights
Ottawa to Las Vegas flights
Toronto Island to San Francisco flights
Pierre Elliott Trudeau Intl to Ontario flights
Pierre Elliott Trudeau Intl to San Diego flights
Pearson Intl to San Jose flights
Pearson Intl to Santa Ana flights
Pearson Intl to Sacramento flights
Ottawa to Los Angeles flights
Hamilton to Los Angeles flights
Region of Waterloo Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Palm Springs flights
Pierre Elliott Trudeau Intl to San Jose flights
Toronto Island to San Diego flights
Pearson Intl to Burbank flights
Pierre Elliott Trudeau Intl to Santa Ana flights
Pearson Intl to Reno flights
Hamilton to San Diego flights
Hamilton to Las Vegas flights
Pearson Intl to Fresno flights
Region of Waterloo Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Burbank flights
Pearson Intl to Oakland flights
Ottawa to San Diego flights
Ottawa to Santa Ana flights
London to Las Vegas flights
Hamilton to San Francisco flights
Ottawa to Ontario flights
Hamilton to Santa Ana flights
Pierre Elliott Trudeau Intl to Oakland flights
Thunder Bay to Las Vegas flights
Pierre Elliott Trudeau Intl to Reno flights
Pierre Elliott Trudeau Intl to Santa Barbara flights
London to San Jose flights
Windsor to Las Vegas flights

Top 4 airlines flying from Ottawa to San Francisco

Discover the top 4 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$273Average$448FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$379Average$504FlexibilityNo cancel feeOn-time67%
WestJetCheapest$435Average$523FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$480Average$639FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines