What are the cheapest airlines flying from Ottawa to San Francisco round-trip?

Porter Airlines, at C$ 395, was found to be the cheapest airline from Ottawa to San Francisco.Alternate airlines to your destination round-trip include WestJet and Air Canada. Porter Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

C$ 214 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and APG Airlines, with prices starting from C$ 230 and C$ 246, respectively.

What are the most popular airlines that fly from Ottawa to San Francisco?

Before booking your flight from Ottawa to San Francisco check out the most popular airlines for this route: Air Canada, Porter Airlines or United Airlines.

What is the cheapest day to fly round-trip from Ottawa to San Francisco?

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 33% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Ottawa to San Francisco?

To save on the cost of your flight from Ottawa to San Francisco, book at least 46 days before your planned departure. Booking around this time can save you about 60% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 471 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 986.

What is the cheapest month to fly from Ottawa to San Francisco?

Our data shows that January tends to be the cheapest month to fly to San Francisco from Ottawa. Users have commonly found prices around C$ 670 for the month, but tickets can be as low as C$ 384. Due to multiple factors, prepare for potentially higher prices in May.

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

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

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

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.

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

Yes. Cheapflights offers flight deals from Ottawa to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 206+ Flights from Ottawa to San Francisco

The best prices from Ottawa to San Francisco are usually found in January or September, booked 45 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap flight deals from Ottawa to San Francisco

Round-trip from	C$ 395
One-way from	C$ 214
Popular in	May
Cheapest in	January
Average price	C$ 461

Porter Airlines
12/3-16/3
2 total stops
17h 16m total
Ottawa to San Francisco

Search Deals

Porter Airlines
16/2
1 total stop
9h 19m total
Ottawa to San Francisco

Search Deals

High demand for flights, 9% potential price rise

Search Deals

Best time to find cheap flights, 1% potential price drop

Search Deals

Average for round-trip flights in January 2025

Search Deals

Find flight deals from Ottawa to San Francisco

Cheapest flights from Ottawa to San Francisco
Explore the most affordable flight options available from Ottawa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Wed 4/65:55 a.m.YOW - SFO

2 stops14h 20mWestJet

Wed 11/66:05 p.m.SFO - YOW

1 stop9h 40mWestJet

Deal found 14/1C$ 390

Wed 12/36:25 a.m.YOW - SFO

1 stop9h 14mPorter Airlines

Sun 16/31:40 p.m.SFO - YOW

1 stop8h 02mPorter Airlines

Deal found 15/1C$ 395

Fri 21/32:45 p.m.YOW - SFO

1 stop10h 06mAir Canada

Tue 1/44:35 p.m.SFO - YOW

1 stop9h 22mAir Canada

Deal found 15/1C$ 401

Mon 24/22:10 p.m.YOW - SFO

1 stop10h 37mUnited Airlines

Sun 9/311:59 p.m.SFO - YOW

1 stop18h 25mUnited Airlines

Deal found 14/1C$ 408

Mon 3/26:10 p.m.YOW - SFO

1 stop16h 06mMultiple Airlines

Wed 5/210:54 a.m.SFO - YOW

2 stops10h 46mMultiple Airlines

Deal found 15/1C$ 443

Mon 31/35:55 a.m.YOW - SFO

2 stops15h 54mDelta

Thu 10/46:00 a.m.SFO - YOW

2 stops15h 09mDelta

Deal found 14/1C$ 516

Best flights from Ottawa to San Francisco
Discover carefully curated flight deals from Ottawa to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 January 2025.

Wed 12/36:25 a.m.YOW - SFO

1 stop9h 14mPorter Airlines

Sun 16/31:40 p.m.SFO - YOW

1 stop8h 02mPorter Airlines

Deal found 15/1C$ 395

Mon 28/412:20 p.m.YOW - SFO

2 stops12h 05mWestJet

Mon 5/57:30 a.m.SFO - YOW

2 stops13h 52mWestJet

Deal found 16/1C$ 412

Tue 11/29:35 p.m.YOW - SFO

2 stops20h 05mMultiple Airlines

Tue 25/210:59 p.m.SFO - YOW

1 stop14h 46mMultiple Airlines

Deal found 16/1C$ 418

Mon 3/22:10 p.m.YOW - SFO

1 stop10h 37mAir Canada

Fri 7/210:50 p.m.SFO - YOW

1 stop8h 47mAir Canada

Deal found 16/1C$ 420

Fri 4/45:25 p.m.YOW - SFO

1 stop8h 30mUnited Airlines

Sun 13/48:20 p.m.SFO - YOW

2 stops17h 46mUnited Airlines

Deal found 16/1C$ 456

Mon 10/25:55 a.m.YOW - SFO

2 stops16h 17mDelta

Thu 13/25:55 a.m.SFO - YOW

2 stops15h 14mDelta

Deal found 16/1C$ 526

Last-minute flights from Ottawa to San Francisco
Discover last-minute flight deals from Ottawa to San Francisco. Data last updated 17 January 2025 and is based on user searches.

Tue 21/19:35 p.m.YOW - SFO

2 stops39h 29mMultiple Airlines

Mon 27/11:40 p.m.SFO - YOW

1 stop8h 00mMultiple Airlines

Deal found 16/1C$ 525

Tue 21/16:20 a.m.YOW - SFO

1 stop9h 19mPorter Airlines

Mon 27/11:40 p.m.SFO - YOW

1 stop8h 00mPorter Airlines

Deal found 16/1C$ 923

Tue 21/15:55 a.m.YOW - SFO

2 stops16h 11mDelta

Mon 27/15:55 a.m.SFO - YOW

2 stops15h 15mDelta

Deal found 16/1C$ 1,112

Tue 21/16:00 a.m.YOW - SFO

1 stop10h 56mAir Canada

Tue 21/14:35 p.m.SFO - YOW

1 stop9h 22mAir Canada

Deal found 16/1C$ 1,500

Mon 3/26:10 p.m.YOW - SFO

1 stop16h 06mMultiple Airlines

Wed 5/210:54 a.m.SFO - YOW

2 stops10h 46mMultiple Airlines

Deal found 15/1C$ 443

Tue 4/26:00 a.m.YOW - SFO

1 stop10h 56mAir Canada

Tue 11/26:38 a.m.SFO - YOW

2 stops11h 46mAir Canada

Deal found 15/1C$ 437

Thu 6/26:15 a.m.YOW - SFO

1 stop9h 51mWestJet

Fri 7/21:55 p.m.SFO - YOW

2 stops12h 34mWestJet

Deal found 15/1C$ 444

Mon 10/25:55 a.m.YOW - SFO

2 stops16h 17mDelta

Thu 13/25:55 a.m.SFO - YOW

2 stops15h 14mDelta

Deal found 16/1C$ 526

Mon 24/22:10 p.m.YOW - SFO

1 stop10h 37mUnited Airlines

Wed 12/310:36 p.m.SFO - YOW

1 stop15h 30mUnited Airlines

Deal found 14/1C$ 408

Thu 27/26:20 a.m.YOW - SFO

1 stop9h 19mPorter Airlines

Mon 3/31:40 p.m.SFO - YOW

1 stop8h 02mPorter Airlines

Deal found 16/1C$ 405

One-way flights from Ottawa to San Francisco
Search for one-way flight options from Ottawa to San Francisco. Find affordable one-way fares based on user searches. Data last updated 17 January 2025.

Sun 16/26:20 a.m.YOW - SFO

1 stop9h 19mPorter Airlines

Deal found 15/1C$ 214

Tue 18/22:45 p.m.YOW - SFO

1 stop10h 06mAir Canada

Deal found 16/1C$ 230

Mon 10/28:00 a.m.YOW - SFO

2 stops26h 16mMultiple Airlines

Deal found 16/1C$ 243

Sun 2/36:25 a.m.YOW - SFO

1 stop9h 14mAPG Airlines

Deal found 16/1C$ 246

Mon 23/67:15 p.m.YOW - SFO

1 stop25h 00mWestJet

Deal found 15/1C$ 249

Sun 16/210:30 a.m.YOW - SFO

2 stops13h 24mUnited Airlines

Deal found 15/1C$ 266

Mon 17/25:55 a.m.YOW - SFO

2 stops16h 17mDelta

Deal found 16/1C$ 328

Find flights from Ottawa to San Francisco within your budget

Fly from

Fly to

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 4/6

5:55 a.m.-5:15 p.m.

2 stops14h 20m

San Francisco

Wed 11/6

6:05 p.m.-6:45 a.m.

1 stop9h 40m

C$ 390

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 12/3

6:25 a.m.-12:39 p.m.

1 stop9h 14m

San Francisco

Sun 16/3

1:40 p.m.-12:42 a.m.

1 stop8h 02m

C$ 395

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 21/3

2:45 p.m.-9:51 p.m.

1 stop10h 06m

San Francisco

Wed 2/4

4:35 p.m.-4:57 a.m.

1 stop9h 22m

C$ 401

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 24/2

2:10 p.m.-9:47 p.m.

1 stop10h 37m

San Francisco

Tue 11/3

11:59 p.m.-9:24 p.m.

1 stop18h 25m

C$ 408

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 3/2

6:10 p.m.-7:16 a.m.

1 stop16h 06m

San Francisco

Wed 5/2

10:54 a.m.-12:40 a.m.

2 stops10h 46m

C$ 443

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 31/3

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

2 stops15h 54m

San Francisco

Sun 6/4

6:00 a.m.-12:09 a.m.

2 stops15h 09m

C$ 516

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 20/2

6:20 a.m.-12:39 p.m.

1 stop9h 19m

C$ 206

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 29/1

6:00 a.m.-1:56 p.m.

1 stop10h 56m

C$ 224

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 3/2

6:20 a.m.-9:39 p.m.

2 stops18h 19m

C$ 240

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sun 2/3

6:25 a.m.-12:39 p.m.

1 stop9h 14m

C$ 246

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/1

Showing 1-10 of 13 results

Best time to book a flight from Ottawa to San Francisco

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

Travel insights for flights from Ottawa to San Francisco

Get recent, data-driven insights about flights from Ottawa to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ottawa to San Francisco?

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of C$ 276). Flying from Ottawa to San Francisco in June is currently the most expensive (average of C$ 379). 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 SFO?

A simple way to save on the total cost of your ticket is to fly from Ottawa to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Ottawa to San Francisco?

Travelers seeking maximum savings on their Ottawa to San Francisco flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Francisco by month

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

To help decide which airline to fly from Ottawa to San Francisco, see what other customers have to say about Delta, Porter Airlines and Air Canada. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,511 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines

7.9

Good

276 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,964 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet

7.2

Good

2,824 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.0

Good

8,587 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Ottawa to San Francisco round-trip?
Porter Airlines, at C$ 395, was found to be the cheapest airline from Ottawa to San Francisco.Alternate airlines to your destination round-trip include WestJet and Air Canada. Porter Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Ottawa to San Francisco one-way?
C$ 214 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and APG Airlines, with prices starting from C$ 230 and C$ 246, respectively.
Can I find deals for flights from Ottawa to San Francisco that include hotel bookings?
Yes. In addition to deals on Ottawa to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to San Francisco?
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.
Can I find deals for business class flights from Ottawa to San Francisco?
Yes. Cheapflights offers flight deals from Ottawa to San Francisco 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?
Currently, January is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of C$ 276). Flying from Ottawa to San Francisco in June is currently the most expensive (average of C$ 379). 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

Richmond

San Ramon

Newark

Alameda

Novato

Burlingame

Redwood City

South San Francisco

Scotts Valley

San Bruno

Belmont

Millbrae

Santa Clara

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Ottawa to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 372	AverageC$ 663	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 400	AverageC$ 604	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 415	AverageC$ 718	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 415	AverageC$ 738	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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

When you search for this flight from Ottawa to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to San Francisco flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Ottawa to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Ottawa to San Francisco from C$ 206

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 20/2. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from Ottawa to San Francisco are usually found in January or September, booked 45 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap flight deals from Ottawa to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ottawa to San Francisco

Cheapest flights from Ottawa to San FranciscoExplore the most affordable flight options available from Ottawa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Explore the most affordable flight options available from Ottawa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Find flights from Ottawa to San Francisco within your budget

Best time to book a flight from Ottawa to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Ottawa with our price prediction graph.

Travel insights for flights from Ottawa to San Francisco

Get recent, data-driven insights about flights from Ottawa to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ottawa to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to San Francisco. Price data was last updated on 10 January 2025.

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

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

Find hourly flight availability from Ottawa to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.

What is the cheapest day to fly from Ottawa to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to San Francisco. Price data was last updated on 16 December 2024.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

Related info for your journey

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

What are the cheapest airlines flying from Ottawa to San Francisco round-trip?

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

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

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

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

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

Travelling to a place near Ottawa?

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Fly from Ottawa to San Francisco on these airlines

Choose from the following airlines for your flight from Ottawa to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 17 January 2025.

Top 4 airlines flying from Ottawa to San Francisco

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?

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

Can Cheapflights find flights from Ottawa to San Francisco with no change fees?

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

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Cheapest flights from Ottawa to San Francisco
Explore the most affordable flight options available from Ottawa to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.