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Cheap flights from Ottawa to San Francisco Bay Area from C$ 274

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
17 Jun — 24 Jun1
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 18 May 2026.

Tue 8/96:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Tue 15/96:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 14/5C$ 408
Thu 17/912:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 21/96:00 a.m.
SFO
-
YOW
1 stop10h 20m
WestJet
Deal found 14/5C$ 412
Wed 23/96:55 a.m.
YOW
-
SFO
2 stops12h 45m
WestJet
Wed 30/96:00 a.m.
SFO
-
YOW
1 stop10h 20m
WestJet
Deal found 17/5C$ 418
Wed 23/96:55 a.m.
YOW
-
SFO
2 stops12h 45m
WestJet
Sat 26/96:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 17/5C$ 481
Sat 11/76:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Mon 13/76:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 18/5C$ 487
Wed 21/106:25 a.m.
YOW
-
SJC
2 stops14h 06m
United Airlines
Sat 24/1012:51 p.m.
SJC
-
YOW
2 stops18h 48m
United Airlines
Deal found 17/5C$ 635
Fri 17/75:20 p.m.
YOW
-
SJC
2 stops23h 04m
United Airlines
Mon 20/76:37 p.m.
SJC
-
YOW
2 stops11h 34m
United Airlines
Deal found 18/5C$ 735
Tue 26/56:05 a.m.
YOW
-
SJC
2 stops18h 04m
United Airlines
Sat 30/52:45 p.m.
SJC
-
YOW
2 stops20h 14m
United Airlines
Deal found 14/5C$ 932
Thu 11/65:05 a.m.
YOW
-
SJC
2 stops15h 29m
United Airlines
Sat 13/66:30 a.m.
SJC
-
YOW
1 stop12h 05m
United Airlines
Deal found 17/5C$ 1,023
Fri 17/78:15 p.m.
YOW
-
OAK
2 stops26h 31m
Multiple Airlines
Mon 20/76:22 a.m.
OAK
-
YOW
2 stops31h 53m
Multiple Airlines
Deal found 17/5C$ 1,129

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 18 May 2026.

Round-trip from

C$ 408

One-way from

C$ 274

Popular in

May

Cheapest in

September

Average price

C$ 789
WestJet
  • WestJet
  • 8/9-15/9
  • 2 total stops
  • 17h 15m total
  • Ottawa to San Francisco Bay Area
Search Deals
WestJet
  • WestJet
  • 4/10
  • 2 total stops
  • 12h 30m total
  • Ottawa to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 18 May 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

Tue 23/6

4:15 p.m.-4:40 p.m.

1 stop27h 25m

San Francisco

Tue 7/7

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

1 stop10h 20m

C$ 557

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 13/7

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

2 stops12h 45m

San Francisco

Fri 17/7

6:05 p.m.-5:35 a.m.

1 stop8h 30m

C$ 631

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Wed 21/10

6:25 a.m.-5:31 p.m.

2 stops14h 06m

San Jose

Sat 24/10

12:51 p.m.-10:39 a.m.

2 stops18h 48m

C$ 635

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 7/7

6:55 a.m.-9:48 p.m.

2 stops17h 53m

San Francisco

Tue 14/7

6:05 p.m.-5:35 a.m.

1 stop8h 30m

C$ 654

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 9/6

6:55 a.m.-6:13 p.m.

2 stops14h 18m

San Francisco

Sun 12/7

6:05 p.m.-5:35 a.m.

1 stop8h 30m

C$ 674

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 9/6

6:55 a.m.-6:13 p.m.

2 stops14h 18m

San Francisco

Sat 11/7

10:55 p.m.-5:35 p.m.

2 stops15h 40m

C$ 685

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 18/6

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

2 stops20h 45m

San Francisco

Thu 25/6

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

2 stops27h 30m

C$ 709

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 10/6

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

1 stop11h 35m

San Francisco

Mon 13/7

10:55 p.m.-5:35 p.m.

2 stops15h 40m

C$ 724

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 28/5

6:55 a.m.-5:49 p.m.

2 stops13h 54m

San Francisco

Tue 2/6

5:50 a.m.-5:35 p.m.

2 stops8h 45m

C$ 755

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 7/8

6:55 a.m.-6:13 p.m.

2 stops14h 18m

San Francisco

Tue 11/8

9:30 a.m.-5:35 a.m.

2 stops17h 05m

C$ 760

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/5

Showing 1-10 of 33 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

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 67 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.

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$ 242). Flying from Ottawa to San Francisco Bay Area in March is currently the most expensive (average of C$ 390). 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 18 May 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
8.0
Very good
439 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,737 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,339 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
11,060 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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, United Airlines, and Delta fly from Ottawa to San Francisco Bay Area in about 11h 35m. The time it takes to get you to your destination can typically vary by up to 2h 31m. 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 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$ 242). Flying from Ottawa to San Francisco Bay Area in March is currently the most expensive (average of C$ 390). 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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Alternative routes for Ottawa to San Francisco Bay Area

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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 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 361AverageC$ 464FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 387AverageC$ 640FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 391AverageC$ 565FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 416AverageC$ 687FlexibilityNo 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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