HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ottawa (YOW) to San Francisco (SFO) from $226

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YOW — SFO
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Ottawa to San Francisco are usually found in January or February, booked 89 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Ottawa to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$267

One-way from

$251
High demand for flights, 12% potential price rise
Search Deals
Best time to find cheap flights, 18% potential price drop
Search Deals
From Ottawa to San Francisco
Search Deals
One-way flight from Ottawa to San Francisco
Search Deals

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

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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 9 days before your planned departure. Booking around this time can save you about 74% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $381 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $663.

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

January is one of the best times of the year to fly to San Francisco from Ottawa. Prices for January average $507 per person but you can even find prices for as low as $348. The most expensive prices can be found in the month of July. Opting for a January flight can save you 14% on your journey compared to booking in July

When is the cheapest time to fly from Ottawa to San Francisco (YOW - SFO)?

It’s typically best to fly out from Ottawa to San Francisco in the afternoon. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Porter Airlines flights from Ottawa to San Francisco

Explore cheap flight options specifically provided by Porter Airlines for the route between Ottawa and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Check out some of the cheapest Porter Airlines flights we've come across from Ottawa to San Francisco. It's recommended that users confirm their flight details before booking.
Wed 8/218:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Sun 8/251:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/14$362
Sat 8/108:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Sun 8/251:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/15$396
Wed 8/148:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Wed 8/211:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/16$427
Mon 7/18:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Mon 7/81:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/16$428
Fri 9/611:55 amYOW - SFO
2 stops14h 21mPorter Airlines
Tue 9/101:55 pmSFO - YOW
2 stops14h 50mPorter Airlines
Deal found 5/15$431
Thu 10/178:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Mon 10/211:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/15$432
Thu 9/58:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Tue 9/101:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/15$433
Thu 9/268:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Tue 10/11:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/16$435
Tue 5/287:50 amYOW - SFO
1 stop8h 02mPorter Airlines
Wed 5/291:53 pmSFO - YOW
1 stop7h 35mPorter Airlines
Deal found 5/14$439

Cheap WestJet flights from Ottawa to San Francisco

Explore cheap flight options specifically provided by WestJet for the route between Ottawa and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the lowest-priced WestJet flights we've found at this time heading from Ottawa to San Francisco. Deals are refreshing constantly so come back soon for more options.
Wed 10/165:55 amYOW - SFO
1 stop9h 06mWestJet
Tue 10/2212:50 pmSFO - YOW
1 stop8h 51mWestJet
Deal found 5/14$371
Fri 10/185:55 amYOW - SFO
2 stops11h 38mWestJet
Sun 10/2012:50 pmSFO - YOW
1 stop8h 51mWestJet
Deal found 5/14$383
Wed 10/165:55 amYOW - SFO
2 stops11h 38mWestJet
Sun 10/203:20 pmSFO - YOW
2 stops12h 36mWestJet
Deal found 5/14$385
Sat 10/195:55 amYOW - SFO
1 stop9h 06mWestJet
Mon 10/213:20 pmSFO - YOW
2 stops20h 48mWestJet
Deal found 5/14$403
Thu 10/175:55 amYOW - SFO
1 stop9h 06mWestJet
Mon 10/2112:50 pmSFO - YOW
1 stop23h 18mWestJet
Deal found 5/14$405
Sat 10/195:55 amYOW - SFO
2 stops11h 38mWestJet
Sun 10/203:20 pmSFO - YOW
2 stops20h 48mWestJet
Deal found 5/14$408
Sat 10/195:55 amYOW - SFO
2 stops11h 38mWestJet
Sun 10/207:30 amSFO - YOW
1 stop14h 11mWestJet
Deal found 5/14$424
Wed 8/146:15 amYOW - SFO
1 stop11h 18mWestJet
Mon 8/1912:50 pmSFO - YOW
1 stop8h 47mWestJet
Deal found 5/16$437
Sat 10/125:55 amYOW - SFO
1 stop9h 06mWestJet
Wed 10/1612:50 pmSFO - YOW
1 stop8h 51mWestJet
Deal found 5/16$438

Cheap Ottawa to San Francisco flights in May & June 2024

Find cheap flight options from Ottawa to San Francisco specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Listed are some of the best fares we've found on flights departing from Ottawa to San Francisco in 2024. More deals are always being added, so be sure to check back regularly.
Tue 6/112:10 pmYOW - SFO
3 stops22h 20mMultiple Airlines
Tue 6/1810:15 amSFO - YOW
2 stops21h 14mMultiple Airlines
Deal found 5/14$400
Tue 6/112:10 pmYOW - SFO
3 stops22h 20mMultiple Airlines
Tue 6/1810:15 amSFO - YOW
2 stops21h 14mMultiple Airlines
Deal found 5/14$414
Tue 6/117:40 pmYOW - SFO
1 stop16h 50mMultiple Airlines
Tue 6/1810:17 amSFO - YOW
2 stops17h 37mMultiple Airlines
Deal found 5/14$432
Tue 6/117:15 pmYOW - SFO
2 stops20h 37mMultiple Airlines
Tue 6/1810:15 amSFO - YOW
2 stops21h 14mMultiple Airlines
Deal found 5/14$434
Thu 5/309:20 amYOW - SFO
1 stop9h 12mAir Canada
Mon 6/310:30 pmSFO - YOW
1 stop7h 55mAir Canada
Deal found 5/15$437
Tue 5/287:50 amYOW - SFO
1 stop8h 02mPorter Airlines
Wed 5/291:53 pmSFO - YOW
1 stop7h 35mPorter Airlines
Deal found 5/14$439
Tue 6/117:20 amYOW - SFO
1 stop8h 32mPorter Airlines
Tue 6/181:55 pmSFO - YOW
1 stop7h 33mPorter Airlines
Deal found 5/14$470
Tue 6/117:20 amYOW - SFO
1 stop8h 32mPorter Airlines
Tue 6/181:55 pmSFO - YOW
1 stop7h 33mPorter Airlines
Deal found 5/14$474
Tue 5/285:26 pmYOW - SFO
1 stop18h 21mUnited Airlines
Wed 5/2910:35 pmSFO - YOW
1 stop15h 29mUnited Airlines
Deal found 5/15$488

Ottawa to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Listed are some of the best fares we've found on flights departing from Ottawa to San Francisco in 2024. More deals are always being added, so be sure to check back regularly.
Wed 8/218:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Sun 8/251:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/14$362
Wed 10/165:55 amYOW - SFO
1 stop9h 06mWestJet
Tue 10/2212:50 pmSFO - YOW
1 stop8h 51mWestJet
Deal found 5/14$371
Fri 10/185:55 amYOW - SFO
2 stops11h 38mWestJet
Sun 10/2012:50 pmSFO - YOW
1 stop8h 51mWestJet
Deal found 5/14$383
Wed 10/165:55 amYOW - SFO
2 stops11h 38mWestJet
Sun 10/203:20 pmSFO - YOW
2 stops12h 36mWestJet
Deal found 5/14$385
Tue 10/1511:20 amYOW - SFO
1 stop15h 35mUnited Airlines
Sun 10/2011:35 pmSFO - YOW
1 stop7h 58mUnited Airlines
Deal found 5/14$390
Sat 8/108:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Sun 8/251:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/15$396
Tue 6/112:10 pmYOW - SFO
3 stops22h 20mMultiple Airlines
Tue 6/1810:15 amSFO - YOW
2 stops21h 14mMultiple Airlines
Deal found 5/14$400
Sat 10/195:55 amYOW - SFO
1 stop9h 06mWestJet
Mon 10/213:20 pmSFO - YOW
2 stops20h 48mWestJet
Deal found 5/14$403
Thu 10/175:55 amYOW - SFO
1 stop9h 06mWestJet
Mon 10/2112:50 pmSFO - YOW
1 stop23h 18mWestJet
Deal found 5/14$405

Ottawa to San Francisco flights leaving soon

Find last-minute flight options from Ottawa to San Francisco for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Consider one of these great deals we found on last-minute flights from Ottawa to San Francisco. To prevent any unwanted surprises, users should verify their flight info before booking.
Fri 5/245:26 pmYOW - SFO
1 stop9h 35mUnited Airlines
Wed 5/291:10 amSFO - YOW
1 stop17h 38mUnited Airlines
Deal found 5/16$488
Sun 5/266:38 amYOW - SFO
1 stop7h 40mUnited Airlines
Mon 6/31:10 amSFO - YOW
1 stop17h 38mUnited Airlines
Deal found 5/16$498
Fri 5/246:38 amYOW - SFO
2 stops14h 12mUnited Airlines
Wed 5/291:10 amSFO - YOW
1 stop12h 54mUnited Airlines
Deal found 5/16$554
Sun 5/266:38 amYOW - SFO
1 stop7h 40mUnited Airlines
Wed 6/55:20 amSFO - YOW
1 stop13h 28mUnited Airlines
Deal found 5/15$560
Sun 5/266:38 amYOW - SFO
1 stop7h 40mUnited Airlines
Wed 6/58:15 amSFO - YOW
1 stop12h 40mUnited Airlines
Deal found 5/16$568
Sun 5/266:38 amYOW - SFO
2 stops14h 12mUnited Airlines
Tue 6/411:34 pmSFO - YOW
1 stop14h 30mUnited Airlines
Deal found 5/16$577
Sun 5/266:00 amYOW - SFO
1 stop9h 02mWestJet
Wed 6/53:20 pmSFO - YOW
2 stops12h 37mWestJet
Deal found 5/15$599
Thu 5/236:00 amYOW - SFO
1 stop9h 02mWestJet
Tue 5/283:20 pmSFO - YOW
2 stops12h 39mWestJet
Deal found 5/15$604
Thu 5/236:00 amYOW - SFO
1 stop9h 02mMultiple Airlines
Tue 5/281:53 pmSFO - YOW
1 stop7h 35mMultiple Airlines
Deal found 5/15$622

One-way flights to San Francisco from Ottawa

Search for one-way flight options from Ottawa to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Users traveling one-way from Ottawa to San Francisco can select one of these great deals. Those needing a return flight from Ottawa to San Francisco can use the search form above.
Tue 6/187:40 pmYOW - SFO
1 stop16h 50mMultiple Airlines
Deal found 5/16$226
Sun 8/188:15 pmYOW - SFO
1 stop18h 45mWestJet
Deal found 5/15$230
Tue 6/184:10 pmYOW - SFO
2 stops20h 20mMultiple Airlines
Deal found 5/16$232
Tue 8/136:07 amYOW - SFO
2 stops11h 26mWestJet
Deal found 5/16$233
Thu 7/258:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Deal found 5/15$237
Fri 7/128:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Deal found 5/15$238
Tue 8/136:07 amYOW - SFO
1 stop8h 53mWestJet
Deal found 5/15$239
Tue 10/15:55 amYOW - SFO
1 stop9h 06mWestJet
Deal found 5/16$243
Tue 8/131:15 pmYOW - SFO
2 stops12h 57mPorter Airlines
Deal found 5/15$251

Find flights from Ottawa to San Francisco within your budget

Customize your flight search to find flights from Ottawa to San Francisco 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$362 - $479

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 8/21

1 stop8h 00m

San Francisco

Sun 8/25

1 stop7h 32m

$362

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 10/16

1 stop9h 06m

San Francisco

Tue 10/22

1 stop8h 51m

$371

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 10/18

2 stops11h 38m

San Francisco

Sun 10/20

1 stop8h 51m

$383

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 10/15

1 stop15h 35m

San Francisco

Sun 10/20

1 stop7h 58m

$390

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sat 8/10

1 stop8h 00m

San Francisco

Sun 8/25

1 stop7h 32m

$396

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 6/11

3 stops22h 20m

San Francisco

Tue 6/18

2 stops21h 14m

$400

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 6/11

3 stops22h 20m

San Francisco

Tue 6/18

2 stops21h 14m

$414

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sun 10/20

1 stop9h 06m

San Francisco

Mon 10/21

1 stop8h 51m

$423

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 10/16

1 stop11h 23m

San Francisco

Wed 10/30

1 stop9h 38m

$479

Flights are sorted by cheapest first

Deals found on 5/14

When is the best time to 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 May 10, 2024.
The best time to book flights from Ottawa to San Francisco is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time 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 May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ottawa to San Francisco flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Francisco by month

Plan your trip from Ottawa to San Francisco by taking into account the cheapest months to travel. The average price of a one-way flight from Ottawa to San Francisco is currently $237 while a round-trip flight costs $402. Price data was last updated on May 12, 2024.

Currently, December is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $267). Flying from Ottawa to San Francisco in June is currently the most expensive (average of $382). 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.

January

$274

February

$281

March

$330

April

$296

May

$316

June

$382

July

$364

August

$298

September

$268

October

$268

November

$287

December

$267

Temperature and rainfall in San Francisco by month

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

SFO

Temperature

51.8 - 62.6 °F

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated May 16, 2024.
See what other customers who have flown with Porter Airlines, WestJet and United Airlines from Ottawa to San Francisco have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Delta
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

WestJet
7.5
Good
2,919 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Porter Airlines
7.4
Good
415 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

United Airlines
7.4
Good
10,924 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Air Canada
7.0
Good
6,947 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

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.

  • Can I find flights from Ottawa to San Francisco for under $400 on Cheapflights?

    Yes, there are multiple flights from Ottawa to San Francisco for under $400. The cheapest flight booked recently is on Porter Airlines for just $362, but on average you can expect to pay $409.

  • Are there last-minute flights available from Ottawa to San Francisco for under $500?

    There are currently 16+ open flights from Ottawa to San Francisco within the next 7 days for less than $500.

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

    Currently priced at $362, Porter Airlines will fly you from Ottawa to San Francisco and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and United Airlines - these airlines can fly you to your destination from $371 and $390, respectively. Porter Airlines is priced at 28% 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?

    The cheapest airlines for a one-way flight from Ottawa to San Francisco are WestJet ($230), Porter Airlines ($237), and Air Canada ($255).

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

    Consider Air Canada, United Airlines or WestJet when booking your flight. These represent the most popular airlines when flying from Ottawa to San Francisco.

  • What does YOW to SFO mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ottawa Airport to San Francisco Airport flight would often be abbreviated as a YOW to SFO flight.

  • Can I find deals for flights from Ottawa to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring on your Ottawa to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ottawa to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ottawa to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Ottawa to San Francisco that allow pets onboard?

    Many airlines flying from Ottawa to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ottawa to San Francisco?

    Yes, you can often find last-minute deals on Ottawa to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ottawa to San Francisco flight deals updated?

    The Ottawa to San Francisco flight deals you see on this page were last updated on 5/15.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.

Pearson Intl to Los Angeles flights
Pearson Intl to Las Vegas flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Toronto Island to Los Angeles flights
Pearson Intl to Ontario flights
Pearson Intl to San Diego flights
Toronto Island to San Francisco flights
Ottawa to Las Vegas flights
Pierre Elliott Trudeau Intl to Ontario flights
Pearson Intl to San Jose flights
Pierre Elliott Trudeau Intl to San Diego flights
Ottawa to Los Angeles flights
Kitchener-Waterloo to San Francisco flights
Hamilton to Los Angeles flights
Kitchener-Waterloo to Las Vegas flights
Hamilton to Las Vegas flights
Hamilton to San Francisco flights
Pearson Intl to Sacramento flights
Pearson Intl to Santa Ana flights
Pearson Intl to Palm Springs flights
Pearson Intl to Oakland flights
Toronto Island to San Diego flights
Pearson Intl to Reno flights
Pierre Elliott Trudeau Intl to San Jose flights
Pierre Elliott Trudeau Intl to Santa Ana flights
Pearson Intl to Burbank flights
Ottawa to San Diego flights
Pierre Elliott Trudeau Intl to Long Beach flights
London to San Francisco flights
Pearson Intl to Fresno flights
Hamilton to San Diego flights
Pierre Elliott Trudeau Intl to Burbank flights
Pierre Elliott Trudeau Intl to Palm Springs flights
Pierre Elliott Trudeau Intl to Sacramento flights
London to Las Vegas flights
Pierre Elliott Trudeau Intl to Oakland flights
Hamilton to Oakland flights
Pierre Elliott Trudeau Intl to Reno flights
Kitchener-Waterloo to Oakland flights
Pearson Intl to Long Beach flights
Kitchener-Waterloo to Santa Ana flights

Top 3 airlines flying from Ottawa to San Francisco

Discover the top 3 airlines that operate flights from Ottawa to San Francisco. 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$379Average$480FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$399Average$579FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapest$451Average$579FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Chicago to Tampa flights
USA to Dhaka flights
San Francisco to London flights
Denver to Albuquerque flights
New York to Bangkok flights
Chicago to Cancún flights
USA to Kathmandu flights
New York to Amsterdam flights
Minneapolis to Orlando flights
Houston to Detroit flights
New York to San Juan flights
Ottawa to Ho Chi Minh City flights

Search flights from Ottawa to San Francisco by cabin class

Find flights from Ottawa to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from Ottawa today with Cheapflights!

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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to San Francisco, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines