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Cheap flights from Ottawa to San Francisco Bay Area from C$ 195

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to San Francisco Bay Area

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to San Francisco Bay Area
Explore the most affordable flight options available from Ottawa to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Sun 3/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Tue 12/56:00 a.m.
SFO
-
YOW
1 stop8h 20m
WestJet
Deal found 9/2C$ 321
Thu 30/412:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 4/56:00 a.m.
SFO
-
YOW
1 stop8h 20m
WestJet
Deal found 12/2C$ 336
Mon 1/612:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Tue 9/66:05 p.m.
SFO
-
YOW
1 stop8h 35m
WestJet
Deal found 12/2C$ 342
Tue 30/612:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Tue 7/76:05 p.m.
SFO
-
YOW
1 stop8h 35m
WestJet
Deal found 12/2C$ 361
Fri 15/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Fri 29/56:05 p.m.
SFO
-
YOW
1 stop8h 35m
WestJet
Deal found 11/2C$ 388
Wed 23/97:25 p.m.
YOW
-
SJC
2 stops19h 43m
United Airlines
Wed 30/93:00 p.m.
SJC
-
YOW
2 stops15h 47m
United Airlines
Deal found 12/2C$ 483
Tue 10/36:20 a.m.
YOW
-
SJC
1 stop19h 39m
United Airlines
Thu 12/310:55 p.m.
SJC
-
YOW
1 stop8h 31m
United Airlines
Deal found 11/2C$ 541
Tue 22/910:25 a.m.
YOW
-
SJC
2 stops13h 46m
United Airlines
Sat 3/103:00 p.m.
SJC
-
YOW
2 stops15h 47m
United Airlines
Deal found 12/2C$ 558
Thu 24/96:00 a.m.
YOW
-
SJC
2 stops14h 43m
Air Canada
Wed 30/93:00 p.m.
SJC
-
YOW
2 stops19h 45m
Air Canada
Deal found 12/2C$ 562
Sat 26/912:00 p.m.
YOW
-
SJC
2 stops13h 36m
United Airlines
Mon 5/106:30 p.m.
SJC
-
YOW
2 stops11h 41m
United Airlines
Deal found 12/2C$ 569
Thu 24/96:00 a.m.
YOW
-
SJC
2 stops14h 43m
Air Canada
Wed 7/108:25 a.m.
SJC
-
YOW
2 stops14h 10m
Air Canada
Deal found 12/2C$ 573
Sat 26/95:10 a.m.
YOW
-
SJC
2 stops15h 33m
Air Canada
Wed 7/108:25 a.m.
SJC
-
YOW
2 stops14h 10m
Air Canada
Deal found 12/2C$ 580

Find flight deals from Ottawa to San Francisco Bay Area

Keep the following information in mind while searching for Ottawa to San Francisco Bay Area flight deals. Data was last updated 13 February 2026.

Round-trip from

C$ 321

One-way from

C$ 195

Popular in

December

Cheapest in

May

Average price

C$ 468
WestJet
  • WestJet
  • 3/5-12/5
  • 3 total stops
  • 20h 50m total
  • Ottawa to San Francisco Bay Area
Search Deals
WestJet
  • WestJet
  • 8/6
  • 2 total stops
  • 12h 30m total
  • Ottawa to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to San Francisco Bay Area 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 629,999 searches. Data last updated 13 February 2026.
Use the filters below to find and compare flights from Ottawa to San Francisco Bay Area that are best for you.

Fly from

Ottawa

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 30/4

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Mon 4/5

6:00 a.m.-5:20 p.m.

1 stop8h 20m

C$ 336

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sun 3/5

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Tue 12/5

6:00 a.m.-12:30 p.m.

2 stops27h 30m

C$ 358

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 15/5

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Fri 29/5

6:05 p.m.-5:40 a.m.

1 stop8h 35m

C$ 388

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 26/3

6:45 a.m.-12:42 p.m.

1 stop8h 57m

San Francisco

Tue 7/4

1:45 p.m.-12:41 a.m.

1 stop7h 56m

C$ 389

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 30/6

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Tue 7/7

6:05 p.m.-12:30 p.m.

2 stops15h 25m

C$ 396

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 26/3

6:00 a.m.-12:10 p.m.

1 stop9h 10m

San Francisco

Tue 7/4

1:45 p.m.-12:41 a.m.

1 stop7h 56m

C$ 403

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 10/3

11:10 a.m.-10:59 p.m.

1 stop14h 49m

San Jose

Thu 12/3

10:55 p.m.-10:26 a.m.

1 stop8h 31m

C$ 549

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 3/3

9:45 a.m.-9:05 p.m.

2 stops14h 20m

San Jose

Wed 4/3

8:50 a.m.-10:26 a.m.

2 stops22h 36m

C$ 644

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 10/3

5:40 a.m.-9:33 p.m.

2 stops18h 53m

San Jose

Thu 12/3

1:50 p.m.-12:40 a.m.

2 stops31h 50m

C$ 692

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Mon 2/3

7:30 p.m.-9:05 p.m.

3 stops28h 35m

San Jose

Wed 4/3

3:55 p.m.-2:30 p.m.

2 stops19h 35m

C$ 752

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 30 results
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Best time to book a flight from Ottawa to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to San Francisco Bay Area

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

Currently, April is the cheapest month in which you can book a flight from Ottawa to San Francisco Bay Area (average of C$ 285). Flying from Ottawa to San Francisco Bay Area in December is currently the most expensive (average of C$ 436). 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.

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated 13 February 2026.
Get a feel of what it's like to fly with Porter Airlines,United Airlines, andWestJet from Ottawa to San Francisco Bay Area by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
415 reviews
Check prices

Food

7.5

Crew

8.6

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Porter Airlines
7.9
Good
415 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Food

7.5

Crew

8.6

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
United Airlines
7.4
Good
9,289 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Food

7.5

Crew

8.6

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
WestJet
7.2
Good
3,260 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Food

7.5

Crew

8.6

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Air Canada
7.1
Good
10,717 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Food

7.5

Crew

8.6

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to San Francisco Bay Area?

    If you book a flight to San Francisco Bay Area from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

  • How long is the flight from Ottawa to San Francisco Bay Area?

    Airlines like WestJet and United Airlines fly from Ottawa to San Francisco Bay Area in about 12h 30m. The time it takes to get you to your destination can typically vary by up to 2h 19m. The distance from Ottawa to San Francisco Bay Area is about 3925 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 203. However, be on the lookout for offers from Porter Airlines and United Airlines, as they are both options that can get you from Ottawa to San Francisco Bay Area for a low price.

  • What are the most popular routes from Ottawa to San Francisco Bay Area?

    While some choose either Ottawa - San Jose or Ottawa - Oakland, Ottawa - San Francisco is the most popular route from Ottawa to San Francisco Bay Area.

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

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

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

    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 Bay Area.

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

    Yes. Cheapflights offers flight deals from Ottawa to San Francisco Bay Area 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 Bay Area?

    Currently, April is the cheapest month in which you can book a flight from Ottawa to San Francisco Bay Area (average of C$ 285). Flying from Ottawa to San Francisco Bay Area in December is currently the most expensive (average of C$ 436). 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

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Top 4 airlines flying from Ottawa to San Francisco Bay Area

Discover the top 4 airlines that operate flights from Ottawa to San Francisco Bay Area. 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 629,999 searches. Data last updated 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 314AverageC$ 460FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 323AverageC$ 426FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 329AverageC$ 672FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 356AverageC$ 527FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Ottawa to San Francisco Bay Area flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to San Francisco Bay Area 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 Bay Area with no change fees?

Certainly. Search results for flights to San Francisco Bay Area from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to San Francisco Bay Area become cheaper?

Yes, Cheapflights offers price alerts on Ottawa to San Francisco Bay Area flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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