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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 6/17. 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
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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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 28, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$268

One-way from

$238
High demand for flights, 12% potential price rise
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Best time to find cheap flights, 17% potential price drop
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From Ottawa to San Francisco
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One-way flight from Ottawa to San Francisco
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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 56% 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 $505 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 13% 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 United Airlines flights from Ottawa to San Francisco

Explore cheap flight options specifically provided by United 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 2,740,132 searches. Data last updated May 28, 2024.
Check out some of the cheapest United Airlines flights we've come across from Ottawa to San Francisco. It's recommended that users confirm their flight details before booking.
Thu 7/185:30 pmYOW - SFO
1 stop18h 15mUnited Airlines
Mon 7/2211:45 pmSFO - YOW
1 stop14h 19mUnited Airlines
Deal found 5/27$459
Fri 9/2711:20 amYOW - SFO
1 stop15h 35mUnited Airlines
Thu 10/311:35 pmSFO - YOW
1 stop7h 58mUnited Airlines
Deal found 5/27$466
Tue 6/255:26 pmYOW - SFO
1 stop18h 16mUnited Airlines
Wed 7/108:23 pmSFO - YOW
2 stops17h 41mUnited Airlines
Deal found 5/27$469
Thu 7/117:30 pmYOW - SFO
2 stops14h 27mUnited Airlines
Mon 7/1510:40 pmSFO - YOW
1 stop15h 24mUnited Airlines
Deal found 5/27$478
Mon 9/2311:25 amYOW - SFO
1 stop15h 19mUnited Airlines
Fri 10/411:35 pmSFO - YOW
1 stop7h 58mUnited Airlines
Deal found 5/27$485
Thu 6/275:30 pmYOW - SFO
1 stop18h 15mUnited Airlines
Fri 7/512:12 amSFO - YOW
1 stop13h 52mUnited Airlines
Deal found 5/27$488
Wed 7/317:30 pmYOW - SFO
2 stops15h 11mUnited Airlines
Sun 8/45:15 amSFO - YOW
1 stop13h 37mUnited Airlines
Deal found 5/27$496
Thu 7/117:30 pmYOW - SFO
2 stops14h 27mUnited Airlines
Mon 7/156:30 amSFO - YOW
2 stops14h 29mUnited Airlines
Deal found 5/27$497
Fri 8/96:30 amYOW - SFO
1 stop12h 04mUnited Airlines
Wed 8/216:25 pmSFO - YOW
1 stop13h 08mUnited Airlines
Deal found 5/27$516

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 2,740,132 searches. Data last updated May 28, 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.
Thu 8/86:07 amYOW - SFO
1 stop8h 53mWestJet
Wed 8/143:20 pmSFO - YOW
2 stops12h 32mWestJet
Deal found 5/26$436
Tue 8/136:07 amYOW - SFO
1 stop8h 53mWestJet
Tue 8/206:05 pmSFO - YOW
1 stop9h 47mWestJet
Deal found 5/27$437
Mon 7/16:09 amYOW - SFO
1 stop8h 51mWestJet
Wed 7/103:20 pmSFO - YOW
2 stops12h 32mWestJet
Deal found 5/26$444
Mon 7/16:09 amYOW - SFO
1 stop8h 51mWestJet
Wed 7/103:20 pmSFO - YOW
1 stop30h 24mWestJet
Deal found 5/26$448
Tue 6/253:55 pmYOW - SFO
2 stops24h 37mWestJet
Wed 7/103:20 pmSFO - YOW
2 stops12h 32mWestJet
Deal found 5/27$449
Wed 8/76:07 amYOW - SFO
1 stop8h 53mWestJet
Wed 8/146:05 pmSFO - YOW
1 stop9h 47mWestJet
Deal found 5/26$451
Wed 8/76:07 amYOW - SFO
1 stop8h 53mWestJet
Fri 8/1612:50 pmSFO - YOW
1 stop8h 47mWestJet
Deal found 5/27$452
Wed 8/76:07 amYOW - SFO
1 stop8h 53mWestJet
Tue 8/133:20 pmSFO - YOW
2 stops12h 32mWestJet
Deal found 5/26$456
Mon 8/128:00 amYOW - SFO
1 stop31h 00mWestJet
Mon 8/1912:50 pmSFO - YOW
1 stop8h 47mWestJet
Deal found 5/27$458

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 2,740,132 searches. Prices were last updated on May 28, 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 6/253:55 pmYOW - SFO
2 stops24h 37mWestJet
Wed 7/103:20 pmSFO - YOW
2 stops12h 32mWestJet
Deal found 5/27$449
Sat 6/153:55 pmYOW - SFO
1 stop28h 18mMultiple Airlines
Sun 6/2310:15 amSFO - YOW
1 stop25h 46mMultiple Airlines
Deal found 5/28$458
Tue 6/257:20 pmYOW - SFO
1 stop17h 10mMultiple Airlines
Wed 7/1010:15 amSFO - YOW
1 stop26h 00mMultiple Airlines
Deal found 5/27$466
Sat 6/153:55 pmYOW - SFO
2 stops20h 35mMultiple Airlines
Sun 6/2310:15 amSFO - YOW
1 stop25h 46mMultiple Airlines
Deal found 5/28$467
Tue 6/255:26 pmYOW - SFO
1 stop18h 16mUnited Airlines
Wed 7/108:23 pmSFO - YOW
2 stops17h 41mUnited Airlines
Deal found 5/27$469
Tue 6/257:20 pmYOW - SFO
1 stop17h 10mMultiple Airlines
Wed 7/1010:15 amSFO - YOW
2 stops18h 47mMultiple Airlines
Deal found 5/27$473
Sun 6/302:30 pmYOW - SFO
2 stops11h 42mPorter Airlines
Mon 7/11:55 pmSFO - YOW
1 stop7h 33mPorter Airlines
Deal found 5/28$480
Tue 6/253:25 pmYOW - SFO
1 stop25h 07mMultiple Airlines
Tue 7/21:55 pmSFO - YOW
1 stop7h 33mMultiple Airlines
Deal found 5/28$486
Thu 6/278:00 amYOW - SFO
1 stop16h 20mWestJet
Sat 7/67:30 amSFO - YOW
1 stop20h 22mWestJet
Deal found 5/28$487

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 2,740,132 searches. Data last updated May 28, 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.
Thu 7/117:40 amYOW - SFO
1 stop8h 10mPorter Airlines
Mon 7/151:55 pmSFO - YOW
1 stop7h 33mPorter Airlines
Deal found 5/27$424
Thu 8/88:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Thu 8/151:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/27$425
Tue 7/237:40 amYOW - SFO
1 stop8h 10mPorter Airlines
Tue 7/301:55 pmSFO - YOW
1 stop7h 33mPorter Airlines
Deal found 5/27$426
Wed 8/148:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Tue 8/201:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/28$427
Wed 8/146:07 amYOW - SFO
1 stop8h 53mWestJet
Tue 8/203:20 pmSFO - YOW
2 stops12h 32mWestJet
Deal found 5/28$428
Thu 8/88:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Fri 8/161:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/27$430
Mon 7/227:40 amYOW - SFO
1 stop8h 10mPorter Airlines
Wed 7/246:15 amSFO - YOW
2 stops15h 13mPorter Airlines
Deal found 5/27$432
Mon 9/308:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Sat 10/51:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/28$433
Wed 9/258:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Wed 10/21:55 pmSFO - YOW
1 stop7h 32mPorter Airlines
Deal found 5/27$434

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 2,740,132 searches. Data last updated May 28, 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 6/77:20 amYOW - SFO
1 stop8h 32mMultiple Airlines
Sun 6/1610:08 pmSFO - YOW
2 stops35h 31mMultiple Airlines
Deal found 5/28$505
Fri 6/77:30 pmYOW - SFO
1 stop8h 23mUnited Airlines
Sun 6/1610:35 pmSFO - YOW
1 stop15h 29mUnited Airlines
Deal found 5/28$530
Fri 6/79:35 pmYOW - SFO
2 stops43h 59mWestJet
Sun 6/163:20 pmSFO - YOW
2 stops12h 34mWestJet
Deal found 5/28$641
Fri 6/77:30 pmYOW - SFO
2 stops14h 29mUnited Airlines
Sun 6/1611:59 pmSFO - YOW
2 stops14h 05mUnited Airlines
Deal found 5/28$671
Fri 6/78:50 pmYOW - SFO
3 stops27h 23mMultiple Airlines
Sun 6/1611:59 pmSFO - YOW
2 stops12h 53mMultiple Airlines
Deal found 5/28$771
Fri 6/78:50 pmYOW - SFO
3 stops27h 23mMultiple Airlines
Sun 6/1611:59 pmSFO - YOW
2 stops12h 53mMultiple Airlines
Deal found 5/28$790
Fri 6/74:10 pmYOW - SFO
3 stops32h 03mMultiple Airlines
Sun 6/1611:59 pmSFO - YOW
3 stops13h 30mMultiple Airlines
Deal found 5/28$830

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 2,740,132 searches. Data last updated May 28, 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.
Mon 6/177:40 pmYOW - SFO
1 stop16h 50mMultiple Airlines
Deal found 5/27$226
Thu 6/137:20 amYOW - SFO
1 stop8h 32mPorter Airlines
Deal found 5/27$229
Mon 6/178:50 pmYOW - SFO
2 stops15h 40mMultiple Airlines
Deal found 5/27$232
Thu 8/158:05 amYOW - SFO
1 stop8h 00mPorter Airlines
Deal found 5/27$235
Thu 7/117:40 amYOW - SFO
1 stop8h 10mPorter Airlines
Deal found 5/27$238
Tue 8/136:07 amYOW - SFO
1 stop8h 53mWestJet
Deal found 5/27$239
Tue 6/115:55 amYOW - SFO
1 stop8h 22mAir Canada
Deal found 5/27$243
Wed 7/246:07 amYOW - SFO
2 stops11h 26mWestJet
Deal found 5/27$244
Tue 6/257:20 pmYOW - SFO
1 stop17h 10mMultiple Airlines
Deal found 5/26$247

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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$424 - $829

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 7/11

1 stop8h 10m

San Francisco

Mon 7/15

1 stop7h 33m

$424

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 8/8

1 stop8h 00m

San Francisco

Thu 8/15

1 stop7h 32m

$425

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 8/8

1 stop8h 53m

San Francisco

Wed 8/14

2 stops12h 32m

$436

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 8/13

1 stop8h 53m

San Francisco

Tue 8/20

1 stop9h 47m

$437

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 7/18

1 stop18h 15m

San Francisco

Mon 7/22

1 stop14h 19m

$459

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 9/27

1 stop15h 35m

San Francisco

Thu 10/3

1 stop7h 58m

$466

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 6/25

1 stop17h 10m

San Francisco

Wed 7/10

2 stops18h 47m

$473

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 7/30

1 stop14h 38m

San Francisco

Mon 8/5

1 stop7h 24m

$504

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 8/9

2 stops15h 57m

San Francisco

Thu 8/15

2 stops15h 34m

$829

Flights are sorted by cheapest first

Deals found on 5/27

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 24, 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 19, 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

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.

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 28, 2024.
See what other customers who have flown with United Airlines, WestJet and Porter 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
10,476 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
10,476 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

WestJet
7.5
Good
2,871 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

Porter Airlines
7.4
Good
395 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
10,799 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

Air Canada
7.0
Good
6,988 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Entertainment

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 $500 on Cheapflights?

    Yes, there are multiple flights from Ottawa to San Francisco for under $500. The cheapest flight booked recently is on Porter Airlines for just $424, but on average you can expect to pay $444.

  • Are there last-minute flights available from Ottawa to San Francisco for under $600?

    There are currently 7+ open flights from Ottawa to San Francisco within the next 7 days for less than $600.

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

    Currently priced at $424, 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 $436 and $459, respectively. Porter Airlines is priced at 16% 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 Porter Airlines ($229), WestJet ($239), and Air Canada ($243).

  • 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 5/28.

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

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

  • When is the best time to book a flight from Ottawa to San Francisco?

    Currently, September is the cheapest month in which you can book a flight from Ottawa to San Francisco (average of $268). Flying from Ottawa to San Francisco in June is currently the most expensive (average of $385). 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
See prices for flight routes from nearby airports that may be better suited for you.

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Top 4 airlines flying from Ottawa to San Francisco

Discover the top 4 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 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$379Average$484FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$398Average$580FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapest$406Average$558FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapest$444Average$557FlexibilityNo cancel feeOn-time60%
Search WestJet flights
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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

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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!

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