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Cheap flights from Ottawa to San Francisco Bay Area from C$ 265

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
2 May — 9 May1
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 2 April 2026.

Thu 7/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Fri 8/56:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 29/3C$ 453
Fri 12/612:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 22/66:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 1/4C$ 454
Thu 7/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 11/56:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 29/3C$ 456
Thu 21/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Fri 29/56:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 30/3C$ 464
Thu 21/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 25/56:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 28/3C$ 470
Sun 26/41:20 p.m.
YOW
-
SFO
1 stop11h 35m
WestJet
Tue 5/56:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 29/3C$ 475
Fri 19/66:55 a.m.
YOW
-
SFO
2 stops12h 45m
WestJet
Wed 24/66:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 28/3C$ 485
Sun 10/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Sat 16/56:00 a.m.
SFO
-
YOW
2 stops27h 30m
WestJet
Deal found 31/3C$ 489
Fri 29/512:25 p.m.
YOW
-
SJC
3 stops27h 52m
Multiple Airlines
Sat 6/62:12 p.m.
SJC
-
YOW
2 stops12h 23m
Multiple Airlines
Deal found 30/3C$ 508
Tue 28/46:25 a.m.
YOW
-
SJC
2 stops17h 42m
United Airlines
Wed 29/46:30 a.m.
SJC
-
YOW
1 stop12h 05m
United Airlines
Deal found 30/3C$ 551
Tue 25/86:25 a.m.
YOW
-
SJC
2 stops17h 45m
United Airlines
Wed 26/81:10 p.m.
SJC
-
YOW
2 stops17h 46m
United Airlines
Deal found 30/3C$ 553
Sun 23/87:30 p.m.
YOW
-
SJC
2 stops19h 34m
United Airlines
Sat 29/86:37 p.m.
SJC
-
YOW
2 stops12h 19m
United Airlines
Deal found 30/3C$ 620

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 2 April 2026.

Round-trip from

C$ 453

One-way from

C$ 265

Popular in

December

Cheapest in

May

Average price

C$ 467
WestJet
  • WestJet
  • 7/5-8/5
  • 3 total stops
  • 20h 45m 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. 12% potential increase in price (C$ 111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 2 April 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

Wed 12/8

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

1 stop9h 00m

San Francisco

Sun 23/8

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

1 stop8h 30m

C$ 507

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 20/5

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

2 stops20h 45m

San Francisco

Mon 25/5

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

2 stops27h 30m

C$ 525

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 19/6

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

2 stops12h 45m

San Francisco

Wed 24/6

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

2 stops27h 30m

C$ 539

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 28/4

6:25 a.m.-9:07 p.m.

2 stops17h 42m

San Jose

Wed 29/4

6:30 a.m.-9:35 p.m.

1 stop12h 05m

C$ 551

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sat 25/4

5:40 a.m.-12:00 p.m.

2 stops33h 20m

San Francisco

Sat 2/5

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

1 stop13h 35m

C$ 602

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 30/4

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

1 stop9h 00m

San Francisco

Thu 7/5

9:00 a.m.-12:15 p.m.

2 stops24h 15m

C$ 632

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 7/5

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

3 stops20h 45m

San Francisco

Mon 11/5

6:45 p.m.-5:35 p.m.

3 stops19h 50m

C$ 635

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 15/5

6:15 p.m.-9:55 p.m.

2 stops30h 40m

San Francisco

Fri 29/5

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

2 stops27h 30m

C$ 638

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 13/5

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

1 stop11h 35m

San Francisco

Wed 20/5

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

1 stop8h 15m

C$ 654
Quickest round-trip

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 27/5

7:00 a.m.-12:23 p.m.

1 stop8h 23m

San Francisco

Sat 6/6

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

1 stop8h 05m

C$ 667

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Showing 1-10 of 35 resultsSorted by cheapest first
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4

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, February is the cheapest month in which you can book a flight from Ottawa to San Francisco Bay Area (average of C$ 338). Flying from Ottawa to San Francisco Bay Area in December is currently the most expensive (average of C$ 445). 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 2 April 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
430 reviews
Check prices

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

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
430 reviews
Porter Airlines
8.0
Very good
430 reviews
Check prices

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

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
9,535 reviews
Porter Airlines
8.0
Very good
430 reviews
Check prices

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

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
3,309 reviews
Porter Airlines
8.0
Very good
430 reviews
Check prices

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

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
10,879 reviews
Porter Airlines
8.0
Very good
430 reviews
Check prices

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

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 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 8h 42m. 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$ 207. However, be on the lookout for offers from Porter Airlines and Air Canada, 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, February is the cheapest month in which you can book a flight from Ottawa to San Francisco Bay Area (average of C$ 338). Flying from Ottawa to San Francisco Bay Area in December is currently the most expensive (average of C$ 445). 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 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 344AverageC$ 448FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 370AverageC$ 550FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 381AverageC$ 625FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 420AverageC$ 707FlexibilityNo 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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