Cheap flights from Ottawa to San Francisco from C$ 220

This is the cheapest one-way flight price, found on 26/9. Prices may vary by date and flight preferences.
YOW — SFO
2 Oct — 9 Oct1
1 adult
Economy
From?
To?
Mon 2/10
Mon 9/10

How to find the cheapest flight from Ottawa (YOW) to San Francisco (SFO)

All the information you need to plan the best YOW to SFO flight in 2023: compare Ottawa to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.

Popular in

April

Cheapest in

February

Round-trip from

C$ 640

One-way from

C$ 318
High demand for flights, 15% potential price rise
Best time to find cheap flights, 17% potential price drop
From Ottawa to San Francisco
One-way flight from Ottawa to San Francisco

YOW - SFO

Price

C$ 474 - C$ 773

SFO

Temperature

11 - 17 °C

SFO

Rainfall

0 - 112 mm

What is the cheapest day to fly round-trip from Ottawa to San Francisco?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 36% on your flight compared to booking on days when demand is much higher.

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

To save on the cost of your flight from Ottawa to San Francisco, book at least 60 days before your planned departure. Booking around this time can save you about 80% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 962 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,386.

What is the cheapest month to fly from Ottawa to San Francisco?

Our data shows that February tends to be the cheapest month to fly to San Francisco from Ottawa. Users have commonly found prices around C$ 733 for the month, but tickets can be as low as C$ 552. Due to multiple factors, prepare for potentially higher prices in April.

When is the cheapest time to fly from Ottawa to San Francisco (YOW - SFO)?

A simple way to save on the total cost of your ticket is to fly from Ottawa to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

Cheap United Airlines flights from Ottawa to San Francisco

Take a look at some of the lowest-priced United Airlines flights heading from Ottawa to San Francisco. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap WestJet flights from Ottawa to San Francisco

Some of the lowest-priced WestJet flights we've found at this time heading from Ottawa to San Francisco. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap Ottawa to San Francisco flights in September & October 2023

The best prices found for YOW to SFO flights for September, October
Scroll through some of the best deals on flights from Ottawa to San Francisco in 2023. Check back in a little while for more flight options.

Ottawa to San Francisco 2023 flight deals

Cheap flights to San Francisco from Ottawa found for this year
Scroll through some of the best deals on flights from Ottawa to San Francisco in 2023. Check back in a little while for more flight options.

Ottawa to San Francisco flights leaving soon

Late deals on round-trip flights to San Francisco from Ottawa, departing today and this week
Have a look at some of the last-minute flights available departing from Ottawa to San Francisco. Users should examine the flight details to ensure there are no surprises.

One-way flights to San Francisco from Ottawa

The cheapest one-way flights from Ottawa to San Francisco
Users travelling one-way from Ottawa to San Francisco can select one of these great deals. Users can also find round-trip Ottawa to San Francisco flights by using the search form above.

Find flights from Ottawa to San Francisco within your budget

Use the slider to find flights from Ottawa to San Francisco that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 368 - C$ 607

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 1/12

1 stop9h 29m

San Francisco

Tue 5/12

1 stop17h 02m

C$ 368

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 26/10

1 stop15h 06m

San Francisco

Thu 2/11

1 stop22h 33m

C$ 379

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 24/10

1 stop26h 30m

San Francisco

Sat 28/10

2 stops22h 10m

C$ 382

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 24/10

2 stops24h 00m

San Francisco

Tue 31/10

1 stop18h 08m

C$ 424

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 1/12

2 stops15h 21m

San Francisco

Wed 6/12

1 stop16h 03m

C$ 425

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 1/12

2 stops12h 46m

San Francisco

Tue 5/12

2 stops15h 00m

C$ 542

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sun 29/10

1 stop12h 35m

San Francisco

Sat 4/11

1 stop9h 38m

C$ 544

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 13/10

1 stop10h 35m

San Francisco

Tue 31/10

1 stop9h 38m

C$ 568

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 13/10

2 stops16h 21m

San Francisco

Tue 31/10

2 stops31h 27m

C$ 607

Flights are sorted by cheapest first

Deals found on 27/9

Reviews of airlines servicing San Francisco

To help decide which airline to fly from Ottawa to San Francisco, see what other customers have to say about United Airlines, WestJet and Air Canada. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,021 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

Delta
7.9
Good
3,021 reviews
Delta
7.9
Good
3,021 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,021 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

WestJet
7.2
Good
918 reviews
Delta
7.9
Good
3,021 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

Air Canada
6.7
Okay
969 reviews
Delta
7.9
Good
3,021 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

Related info for your journey

Useful info, stats and facts about Ottawa to San Francisco flights.

Can I find flights from Ottawa to San Francisco for under C$ 400 on Cheapflights?

Yes, there are multiple flights from Ottawa to San Francisco for under C$ 400. The cheapest flight booked recently is on Multiple Airlines for just C$ 368, but on average you can expect to pay C$ 483.

Are there last-minute flights available from Ottawa to San Francisco for under C$ 800?

There are currently 20+ open flights from Ottawa to San Francisco within the next 7 days for less than C$ 800.

How popular is this Ottawa to San Francisco flight route?

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

United Airlines, at C$ 542, was found to be the cheapest airline from Ottawa to San Francisco.Alternate airlines to your destination round-trip include Air Canada and WestJet. United Airlines is priced at 26% 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?

C$ 271 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 275 and C$ 583, respectively.

What are the most popular airlines that fly from Ottawa to San Francisco?

What does YOW to SFO mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ottawa Airport to San Francisco Airport flight would often be abbreviated as a YOW to SFO flight.

Top 4 airlines flying from Ottawa to San Francisco

The chart below displays the airlines Cheapflights users travelling from Ottawa to San Francisco choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 311AverageC$ 488FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
WestJetCheapestC$ 496AverageC$ 637FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 520AverageC$ 690FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 582AverageC$ 699FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from Ottawa to San Francisco?

When you search for this flight from Ottawa to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to San Francisco with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to San Francisco flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Ottawa to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and make a flight search when you’re ready to set up your price alert.

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