YOW - SFO

C$ 252 Find Cheap Flights from Ottawa to San Francisco – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 348
Typical prices: C$ 499-C$ 791
WestJet
Mon 15/10Mon 22/10
YOW - SFO • 2 stops
Cheapest one-way flights
C$ 252
Typical prices: C$ 325-C$ 669
Multiple Airlines
Sat 6/10
YOW - SFO • 2 stops
Direct flights
There are currently no direct flights between Ottawa and San Francisco. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 16 weeks in advance save around 60% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 551 (round-trip)
Shortest trip • 7h 58m (one-way)
Insights
Insights
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We hope you enjoy your trip to San Francisco!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ottawa to San Francisco (YOW-SFO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ottawa to San Francisco

Thu, 15 Oct - Thu, 22 Oct
WestJet Logo
12:25 p.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
12h 30m2 stops Winnipeg Calgary
WestJet Logo
6:00 a.m. - 7:20 p.m.SFO  San Francisco-YOW Ottawa
10h 20m1 stop Calgary
C$ 348WestJet
Thu, 15 Oct - Wed, 21 Oct
WestJet Logo
12:25 p.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
12h 30m2 stops Winnipeg Calgary
WestJet Logo
6:05 p.m. - 5:35 a.m.SFO  San Francisco-YOW Ottawa
8h 30m1 stop Calgary
C$ 361WestJet
Mon, 5 Oct - Wed, 7 Oct
Multiple Airlines Logo
12:25 p.m. - 2:29 p.m.YOW  Ottawa-SFO San Francisco
29h 04m2 stops Winnipeg Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:05 p.m. - 5:35 a.m.SFO  San Francisco-YOW Ottawa
8h 30m1 stop Calgary
C$ 452Multiple Airlines
Fri, 16 Oct - Tue, 27 Oct
Porter Airlines Logo
7:00 a.m. - 12:20 p.m.YOW  Ottawa-SFO San Francisco
8h 20m1 stop Toronto Pearson Intl
Porter Airlines Logo
1:45 p.m. - 12:50 a.m.SFO  San Francisco-YOW Ottawa
8h 05m1 stop Toronto Pearson Intl
C$ 475Porter Airlines
Thu, 29 Oct - Tue, 3 Nov
Porter Airlines Logo
7:00 a.m. - 12:45 p.m.YOW  Ottawa-SFO San Francisco
8h 45m1 stop Toronto Pearson Intl
Porter Airlines Logo
1:45 p.m. - 12:50 a.m.SFO  San Francisco-YOW Ottawa
8h 05m1 stop Toronto Pearson Intl
C$ 478Porter Airlines
Mon, 5 Oct - Sat, 10 Oct
Multiple Airlines Logo
12:25 p.m. - 2:29 p.m.YOW  Ottawa-SFO San Francisco
29h 04m2 stops Winnipeg Las Vegas Harry Reid Intl
Multiple Airlines Logo
1:00 p.m. - 5:35 a.m.SFO  San Francisco-YOW Ottawa
13h 35m1 stop Calgary
C$ 478Multiple Airlines
Fri, 6 Nov - Wed, 11 Nov
Delta Logo
5:30 a.m. - 6:17 p.m.YOW  Ottawa-SFO San Francisco
15h 47m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County
Delta Logo
8:00 a.m. - 12:44 a.m.SFO  San Francisco-YOW Ottawa
13h 44m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl
C$ 556Delta
Sat, 7 Nov - Sat, 14 Nov
Delta Logo
5:30 a.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
19h 25m2 stops Toronto Pearson Intl Atlanta Hartsfield-Jackson
Delta Logo
8:00 a.m. - 12:44 a.m.SFO  San Francisco-YOW Ottawa
13h 44m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl
C$ 607Delta
Thu, 17 Dec - Thu, 7 Jan
United Airlines Logo
6:15 a.m. - 5:44 p.m.YOW  Ottawa-SFO San Francisco
14h 29m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
8:52 p.m. - 2:09 p.m.SFO  San Francisco-YOW Ottawa
14h 17m2 stops Denver Intl Chicago O'Hare Intl
C$ 851United Airlines
Thu, 17 Dec - Wed, 6 Jan
United Airlines Logo
6:15 a.m. - 6:57 p.m.YOW  Ottawa-SFO San Francisco
15h 42m1 stop Chicago O'Hare Intl
United Airlines Logo
10:35 p.m. - 3:10 p.m.SFO  San Francisco-YOW Ottawa
13h 35m1 stop Washington, D.C. Dulles Intl
C$ 851United Airlines
Booking Insights

Price, demand, and travel trends for Ottawa to San Francisco flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Ottawa to San Francisco with more confidence.

How much is a round-trip flight from Ottawa to San Francisco?

Round-trip flights from Ottawa to San Francisco start at C$ 348. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 499 to C$ 791. The lowest price found in the past 5 days was C$ 348 on WestJet.

What's the cheapest day of the week to fly from Ottawa to San Francisco?

Tuesday is the cheapest day of the week to fly from Ottawa to San Francisco and is 7% cheaper than the average day. Monday is the most expensive day with flight prices 11% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•September is the cheapest month to fly from Ottawa to San Francisco at C$ 495 round-trip.
•May (C$ 768) and December (C$ 766) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 55% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Ottawa to San Francisco the cheapest?

Flights from Ottawa to San Francisco are cheapest 16 weeks before departure. Booking in this window typically costs about 60% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Ottawa to San Francisco flights

Low season

December

Cheapest flight

C$ 252
Best time to beat the crowds but there is an average 29% increase in price.
Most popular time to fly and prices are also 17% lower on average.
Flights from Ottawa to San Francisco

When to book flights from Ottawa to San Francisco

Are your dates flexible? Find out the best times to travel from Ottawa to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ottawa to San Francisco flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Are there accessibility services at San Francisco International Airport?

    Yes. SFO offers passengers with limited mobility access with ramps and elevators throughout its premises. Furthermore, at SFO travelers with limited mobility have access to accessible designated parking garages, washrooms, and wheelchair assistance. Passengers with hearing impairment travellng through SFO have visual paging and TTY telephones while passengers with visual impairments in SFO have Braille signage throughout the Airport and free Aira service.

  • What are the most popular layover cities for flights from Ottawa to San Francisco?

    The flight from Ottawa to San Francisco is of considerable length. Thus the route will include at least one layover stop. On the route, you’ll find single and double layover flight choices. Toronto, Las Vegas, Fort Lauderdale, Montreal, Chicago, Newark, Vancouver, Denver, Minneapolis, Detroit, Atlanta, Houston, Calgary, Atlanta, Los Angeles, Seattle and New York are the route’s most popular layover cities.

  • What are the visa and passport specifications to fly from Ottawa to San Francisco?

    When traveling to San Francisco from Ottawa, Canadian citizens must have an official passport. Also, Canadian citizens can make the trip to San Francisco with their Nexus Card. Their passport must also be valid during their stay in San Francisco. Additionally, Canadian citizens traveling to San Francisco for less than 90 days, won’t need to have a visa. Alternatively, they may need a relevant visa for a stay of more than 90 days.

  • Are there animal relief areas at Ottawa/Macdonald-Cartier International Airport?

    Yes. YOW offers service animals and pets designated relief areas throughout its faculties to take care of the fuzzy four-legged travelers’ potty needs. On that account, Ottawa Airport has a variety of service animal/pet relief areas past the security open throughout the day. At YOW, past security on the Canada/International Departure level next to Gate 18 and the United States Departure level is the service animal/pet relief areas. Additionally, YOW has an outdoor animal relief area located across from the terminal building along the Parkade (P1), supplied with waste disposal bags and receptacles.

  • Which airports can I use when flying from Ottawa to San Francisco?

    Flights from Ottawa to San Francisco usually depart from Ottawa (YOW) and arrive at San Francisco (SFO).

  • Which cabin classes can I book on flights from Ottawa to San Francisco?

    Four cabin classes are available on flights from Ottawa to San Francisco:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • Which airports do connecting flights from Ottawa to San Francisco pass through?

    One-stop flights from Ottawa to San Francisco most commonly connect through:

    • Toronto Pearson Intl (YYZ) – 59% of one-stop connections
    • Calgary (YYC) – 30% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) – 8% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 2% of one-stop connections

    Toronto Pearson Intl (YYZ) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Ottawa to San Francisco?

    Yes. Being flexible with your travel dates can save you up to 17% on the Ottawa to San Francisco route. Tuesday is the cheapest departure day at C$ 555 round-trip on average, while Monday is the most expensive at C$ 661, a difference of C$ 106. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square, and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

  • How expensive are last-minute Ottawa to San Francisco flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 86% above the route average of C$ 593. Book 16 weeks before departure for the lowest fares.

  • How long does a flight from Ottawa to San Francisco take?

    A direct flight from Ottawa to San Francisco takes 0h 00m, covering 6,316 km.

  • Do I need a passport to fly from Ottawa to San Francisco?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Ottawa to San Francisco changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 348 to C$ 1,941. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Ottawa to San Francisco looking right now?

    One-way fares from Ottawa to San Francisco are currently lower than usual. Average one-way flight prices are about C$ 372, which is 24% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Ottawa to San Francisco?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 7h 58m, compared with 8h 24m via Toronto Pearson Intl (YYZ) and 9h 15m via Calgary (YYC).

  • What is the time difference between Ottawa and San Francisco?

    San Francisco is 3 hours behind Ottawa (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around C$ 21 for economy cars. Top options include:
    • Thrifty
    • Europcar
    • Dollar
    • Hertz
    • Fox

  • How much should I expect to pay for a Ottawa to San Francisco flight?

    Round-trip flights from Ottawa to San Francisco range from C$ 499 to C$ 791, with an average of C$ 593 over the past 12 months. Anything below C$ 499 counts as a good deal.

Your guide to booking Ottawa to San Francisco flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average C$ 555 – about C$ 106 less than Monday (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 60% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ottawa to San Francisco trip for September. Fares historically average C$ 495 round-trip in that month – typically C$ 273 less than the most expensive month, which is May (based on the last 12 months).
  • San Francisco International Airport (SFO) is one of the main airports serving the San Francisco area. The Airport serves as a hub for Alaska Airlines and United Airlines, which offer flights from Ottawa to San Francisco.
  • Do you want to lease a vehicle when you land in San Francisco? SFO has a rental car center. To access the rental car center take the AirTrain from SFO’s Terminals. Budget, Alamo, Avis, Thrifty, National, Dollar, Enterprise, SIXT, and Hertz, are the onsite rental agencies at SFO.
  • For business people traveling through SFO, who have important business to take care of while at the Airport, SFO has a business center. SFO’s business center is located in the International Terminal's main hall.
  • The flight from San Francisco to Ottawa is quite lengthy. Passengers flying with Delta Air Lines and Air Canada can sidetrack themselves en route with a variety of entertainment offered via the airline's entertainment device.
  • Ottawa/Macdonald-Cartier International Airport (YOW) is one of the primary airports serving the metropolis of Ottawa. The Airport serves as a base for Flair Airlines, Air Canada, and Porter Airlines, which offer flights to San Francisco from Ottawa.

More options for your flight from Ottawa to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental