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Cheap flights from Ottawa to San Francisco Bay Area from C$ 223

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
5 Aug — 12 Aug1
1 adult

Cheap 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 31 July 2025.

Round-trip from

C$ 403

One-way from

C$ 223

Popular in

July

Cheapest in

January

Average price

C$ 656
Air Canada
  • Air Canada
  • 16/9-23/9
  • 2 total stops
  • 18h 54m total
  • Ottawa to San Francisco Bay Area
Search Deals
Porter Airlines
  • Porter Airlines
  • 31/8
  • 1 total stop
  • 8h 23m total
  • Ottawa to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Ottawa to San Francisco Bay Area

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 31 July 2025.

Tue 16/92:40 p.m.YOW - SFO
1 stop8h 11mAir Canada
Tue 23/97:10 a.m.SFO - YOW
1 stop10h 43mAir Canada
Deal found 29/7C$ 403
Wed 1/107:00 a.m.YOW - SFO
1 stop8h 23mPorter Airlines
Sun 5/101:25 p.m.SFO - YOW
1 stop7h 56mPorter Airlines
Deal found 30/7C$ 405
Sat 30/812:20 p.m.YOW - SFO
2 stops12h 05mWestJet
Sat 6/92:45 p.m.SFO - YOW
2 stops13h 00mWestJet
Deal found 31/7C$ 418
Wed 17/912:20 p.m.YOW - SFO
2 stops12h 04mMultiple Airlines
Thu 23/1010:15 a.m.SFO - YOW
2 stops17h 30mMultiple Airlines
Deal found 30/7C$ 439
Tue 26/86:33 a.m.YOW - SFO
2 stops11h 39mUnited Airlines
Tue 2/98:52 p.m.SFO - YOW
2 stops17h 14mUnited Airlines
Deal found 29/7C$ 462
Sat 13/97:00 a.m.YOW - SJC
2 stops16h 00mMultiple Airlines
Sun 5/1011:40 a.m.SJC - YOW
3 stops16h 05mMultiple Airlines
Deal found 31/7C$ 655
Sun 31/810:37 a.m.YOW - SJC
1 stop15h 03mUnited Airlines
Tue 9/96:30 a.m.SJC - YOW
1 stop12h 05mUnited Airlines
Deal found 31/7C$ 926
Tue 12/86:00 a.m.YOW - SJC
2 stops19h 12mWestJet
Tue 2/98:25 p.m.SJC - YOW
2 stops18h 55mWestJet
Deal found 28/7C$ 971
Fri 12/128:15 a.m.YOW - SJC
2 stops16h 12mAir Canada
Fri 26/129:00 a.m.SJC - YOW
2 stops19h 13mAir Canada
Deal found 30/7C$ 1,031

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 31 July 2025.
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

Tue 16/9

2:40 p.m.-7:51 p.m.

1 stop8h 11m

San Francisco

Tue 23/9

7:10 a.m.-8:53 p.m.

1 stop10h 43m

C$ 403

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 1/10

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

1 stop8h 23m

San Francisco

Sun 5/10

1:25 p.m.-12:21 a.m.

1 stop7h 56m

C$ 405

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sat 30/8

12:20 p.m.-9:25 p.m.

2 stops12h 05m

San Francisco

Sat 6/9

2:45 p.m.-6:45 a.m.

2 stops13h 00m

C$ 418

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 17/9

12:20 p.m.-9:24 p.m.

2 stops12h 04m

San Francisco

Thu 23/10

10:15 a.m.-6:45 a.m.

2 stops17h 30m

C$ 439

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 26/8

6:33 a.m.-3:12 p.m.

2 stops11h 39m

San Francisco

Tue 2/9

8:52 p.m.-5:06 p.m.

2 stops17h 14m

C$ 462

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Sat 13/9

7:00 a.m.-8:00 p.m.

2 stops16h 00m

San Jose

Sun 5/10

11:40 a.m.-6:45 a.m.

3 stops16h 05m

C$ 655

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Sun 31/8

10:37 a.m.-10:40 p.m.

1 stop15h 03m

San Jose

Tue 9/9

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

1 stop12h 05m

C$ 926

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 12/8

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

2 stops19h 12m

San Jose

Tue 2/9

8:25 p.m.-6:20 p.m.

2 stops18h 55m

C$ 971

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Fri 12/12

8:15 a.m.-9:27 p.m.

2 stops16h 12m

San Jose

Fri 26/12

9:00 a.m.-7:13 a.m.

2 stops19h 13m

C$ 1,031

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sun 31/8

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

1 stop8h 23m

C$ 223

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 18 results
1
2

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, January is the cheapest month in which you can book a flight from Ottawa to San Francisco Bay Area (average of C$ 276). Flying from Ottawa to San Francisco Bay Area in December is currently the most expensive (average of C$ 368). 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.

What is the cheapest time of day to fly from YOW to XIH?

Find hourly flight availability from Ottawa to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2025.

When flying from Ottawa to San Francisco Bay Area, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 31 July 2025.
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
318 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,900 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,978 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,851 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

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

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 223. However, be on the lookout for offers from WestJet 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, January is the cheapest month in which you can book a flight from Ottawa to San Francisco Bay Area (average of C$ 276). Flying from Ottawa to San Francisco Bay Area in December is currently the most expensive (average of C$ 368). 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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 312AverageC$ 441FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 334AverageC$ 867FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 337AverageC$ 594FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 342AverageC$ 453FlexibilityNo cancel feeOn-time52%
Search Porter 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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