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Cheap flights from Ottawa to San Francisco Bay Area from C$ 275

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
9 Aug — 16 Aug1
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 10 July 2026.

Fri 14/812:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Sun 30/86:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 7/7C$ 468
Thu 27/86:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Wed 2/91:00 p.m.
SFO
-
YOW
1 stop8h 40m
WestJet
Deal found 8/7C$ 476
Thu 13/812:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Sun 16/86:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 9/7C$ 478
Fri 14/86:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Sun 16/86:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 9/7C$ 480
Sat 15/812:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Sun 23/86:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 6/7C$ 482
Mon 14/912:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Wed 16/96:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 7/7C$ 490
Wed 19/86:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Tue 25/86:00 a.m.
SFO
-
YOW
1 stop10h 20m
WestJet
Deal found 8/7C$ 492
Wed 2/912:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Wed 9/96:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 8/7C$ 500
Sat 26/96:05 a.m.
YOW
-
SJC
3 stops17h 43m
United Airlines
Fri 2/106:35 p.m.
SJC
-
YOW
2 stops12h 21m
United Airlines
Deal found 9/7C$ 686
Sat 19/96:00 a.m.
YOW
-
SJC
3 stops19h 50m
United Airlines
Tue 22/98:45 a.m.
SJC
-
YOW
2 stops10h 50m
United Airlines
Deal found 7/7C$ 711
Tue 28/710:44 a.m.
YOW
-
SJC
1 stop14h 59m
United Airlines
Tue 11/86:20 a.m.
SJC
-
YOW
1 stop12h 15m
United Airlines
Deal found 7/7C$ 774
Thu 20/810:37 a.m.
YOW
-
SJC
1 stop15h 13m
United Airlines
Thu 27/86:37 p.m.
SJC
-
YOW
2 stops12h 19m
United Airlines
Deal found 6/7C$ 775

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 10 July 2026.

Round-trip from

C$ 468

One-way from

C$ 275

Popular in

May

Cheapest in

September

Average price

C$ 731
WestJet
  • WestJet
  • 14/8-30/8
  • 3 total stops
  • 20h 45m total
  • Ottawa to San Francisco Bay Area
Search Deals
WestJet
  • WestJet
  • 29/8
  • 1 total stop
  • 9h 00m total
  • Ottawa to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 10 July 2026.
Use the filters below to find and compare flights from Ottawa to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 27/8

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

1 stop9h 00m

San Francisco

Wed 2/9

1:00 p.m.-12:40 a.m.

1 stop8h 40m

C$ 476

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 8/10

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

2 stops12h 30m

San Francisco

Mon 12/10

6:00 a.m.-7:20 p.m.

1 stop10h 20m

C$ 541

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sat 26/9

1:20 p.m.-9:55 p.m.

1 stop11h 35m

San Francisco

Fri 2/10

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 555

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 15/9

6:15 p.m.-12:00 p.m.

2 stops20h 45m

San Francisco

Tue 22/9

1:00 p.m.-5:35 p.m.

2 stops25h 35m

C$ 565

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 23/9

6:55 a.m.-4:40 p.m.

2 stops12h 45m

San Francisco

Sun 27/9

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 584
Quickest round-trip

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 23/9

7:00 a.m.-12:20 p.m.

1 stop8h 20m

San Francisco

Sun 27/9

1:20 p.m.-12:25 a.m.

1 stop8h 05m

C$ 595

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Thu 20/8

5:20 p.m.-1:08 p.m.

2 stops22h 48m

San Jose

Thu 27/8

6:37 p.m.-9:35 p.m.

2 stops23h 58m

C$ 711

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Sat 19/9

6:05 a.m.-8:57 p.m.

2 stops17h 52m

San Jose

Tue 22/9

6:30 a.m.-5:16 p.m.

1 stop7h 46m

C$ 711

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Sat 26/9

6:25 a.m.-12:01 p.m.

1 stop8h 36m

San Jose

Fri 2/10

6:35 p.m.-9:56 a.m.

2 stops12h 21m

C$ 734

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Wed 29/7

6:25 a.m.-9:09 p.m.

2 stops17h 44m

San Jose

Sat 8/8

4:00 p.m.-4:38 p.m.

2 stops21h 38m

C$ 774

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 35 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Ottawa to San Francisco Bay Area (average of C$ 249). Flying from Ottawa to San Francisco Bay Area in August is currently the most expensive (average of C$ 417). 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 far ahead should I book a flight from Ottawa to San Francisco Bay Area?

To ensure you get the cheapest price possible for a flight from Ottawa to San Francisco Bay Area, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 10 July 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
442 reviews
Check prices

Crew

8.6

Food

7.5

Overall

7.9

Entertainment

6.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
7.9
Good
442 reviews
Porter Airlines
7.9
Good
442 reviews
Check prices

Crew

8.6

Food

7.5

Overall

7.9

Entertainment

6.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,966 reviews
Porter Airlines
7.9
Good
442 reviews
Check prices

Crew

8.6

Food

7.5

Overall

7.9

Entertainment

6.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,404 reviews
Porter Airlines
7.9
Good
442 reviews
Check prices

Crew

8.6

Food

7.5

Overall

7.9

Entertainment

6.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,323 reviews
Porter Airlines
7.9
Good
442 reviews
Check prices

Crew

8.6

Food

7.5

Overall

7.9

Entertainment

6.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 9h. The time it takes to get you to your destination can typically vary by up to 13h 48m. 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$ 222. 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, May is the cheapest month in which you can book a flight from Ottawa to San Francisco Bay Area (average of C$ 249). Flying from Ottawa to San Francisco Bay Area in August is currently the most expensive (average of C$ 417). 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

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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 10 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 358AverageC$ 492FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 403AverageC$ 579FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 406AverageC$ 751FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 428AverageC$ 696FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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