SFO - YOW

C$ 166 Find Cheap Flights from San Francisco to Ottawa – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 370
Typical prices: C$ 624-C$ 1,075
WestJet
Thu 18/10Mon 22/10
SFO - YOW • 1 stop
Cheapest one-way flights
C$ 166
Typical prices: C$ 333-C$ 691
WestJet
Sat 6/10
SFO - YOW • 1 stop
Direct flights
Not available
There are currently no direct flights between San Francisco and Ottawa. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
21 weeks
in advance
Our data shows that travellers who book at least 21 weeks in advance save around 68% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 26% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Calgary (YYC)
Cheapest • Avg C$ 689 (round-trip)
Toronto Pearson Intl (YYZ)
Shortest trip • 8h 21m (one-way)
Insights
Insights
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We hope you enjoy your trip to Ottawa!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from San Francisco to Ottawa

Sun, 18 Oct - Thu, 22 Oct
WestJet Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
12:25 p.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
12h 30m2 stops Winnipeg Calgary
C$ 370WestJet
Sun, 18 Oct - Thu, 22 Oct
WestJet Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
12:25 p.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
12h 30m2 stops Winnipeg Calgary
C$ 380WestJet
Thu, 8 Oct - Thu, 15 Oct
WestJet Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
12:25 p.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
12h 30m2 stops Winnipeg Calgary
C$ 381WestJet
Sun, 18 Oct - Thu, 22 Oct
WestJet Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
12:25 p.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
12h 30m2 stops Winnipeg Calgary
C$ 381WestJet
Sun, 18 Oct - Thu, 22 Oct
WestJet Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
12:25 p.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
12h 30m2 stops Winnipeg Calgary
C$ 403WestJet
Sun, 18 Oct - Thu, 22 Oct
WestJet Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
1:20 p.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
11h 35m1 stop Calgary
C$ 409WestJet
Tue, 6 Oct - Tue, 13 Oct
WestJet Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
8:15 p.m. - 12:00 p.m.YOW  Ottawa-SFO San Francisco
18h 45m1 stop Calgary
C$ 409WestJet
Mon, 19 Oct - Wed, 28 Oct
Multiple Airlines Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
Multiple Airlines Logo
7:00 a.m. - 12:45 p.m.YOW  Ottawa-SFO San Francisco
8h 45m1 stop Toronto Pearson Intl
C$ 410Multiple Airlines
Sun, 18 Oct - Thu, 22 Oct
WestJet Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
WestJet Logo
8:15 p.m. - 12:00 p.m.YOW  Ottawa-SFO San Francisco
18h 45m1 stop Calgary
C$ 415WestJet
Sun, 18 Oct - Thu, 22 Oct
Multiple Airlines Logo
6:00 a.m. - 5:15 p.m.SFO  San Francisco-YOW Ottawa
8h 15m1 stop Calgary
Multiple Airlines Logo
7:00 a.m. - 12:20 p.m.YOW  Ottawa-SFO San Francisco
8h 20m1 stop Toronto Pearson Intl
C$ 420Multiple Airlines
Booking Insights

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

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

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

Round-trip flights from San Francisco to Ottawa start at C$ 370. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 624 to C$ 1,075. The lowest price found in the past 5 days was C$ 370 on WestJet.

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

Sunday is the cheapest day of the week to fly from San Francisco to Ottawa and is 22% cheaper than the average day. Tuesday is the most expensive day with flight prices 20% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from San Francisco to Ottawa at C$ 583 round-trip.
  • May (C$ 1,154) and December (C$ 987) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 97% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Francisco to Ottawa the cheapest?

Flights from San Francisco to Ottawa are cheapest 21 weeks before departure. Booking in this window typically costs about 68% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for San Francisco to Ottawa flights

Low season

February

Cheapest flight

C$ 166
Best time to beat the crowds (26% less expensive on average)
Most popular time to fly and prices are also 1% lower on average.
Flights from San Francisco to Ottawa

When to book flights from San Francisco to Ottawa

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

Your San Francisco to Ottawa flight questions, answered

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

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

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

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

    Only Economy Class is available on flights from San Francisco to Ottawa.

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

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

    • Toronto Pearson Intl (YYZ) – 46% of one-stop connections
    • Calgary (YYC) – 38% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 7% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) – 6% 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 San Francisco to Ottawa?

    On the San Francisco to Ottawa route, being flexible with your departure day can save you up to 36%. Sunday is the cheapest day at C$ 618 round-trip on average, while Tuesday is the most expensive at C$ 952 – a C$ 334 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Which popular places can I visit in Ottawa?

    Some of the most popular sights in Ottawa are Downtown Ottawa, Parliament Hill, and University of Ottawa. These are among the most viewed places in Ottawa on KAYAK.

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

    Last-minute fares on this route – booked within 2 weeks of departure – run 76% above the route average of C$ 791. Book 21 weeks before departure for the lowest fares.

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

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

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

    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 San Francisco to Ottawa 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$ 370 to C$ 2,571. That means the highest observed fare was about 7x higher than the lowest one.

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

    One-way fares from San Francisco to Ottawa are currently lower than usual. Average one-way flight prices are about C$ 193, which is 63% below the typical average for this route.

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

    Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 8h 21m, compared with 8h 24m via Montreal Pierre Elliott Trudeau Intl (YUL) and 9h 02m via Washington, D.C. Dulles Intl (IAD).

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

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

  • What car rental options are available at Ottawa Airport (YOW)?

    Ottawa Airport (YOW) hosts 5 major car rental companies, with daily rates starting from around C$ 17 for economy cars. Top options include:
    • Routes Car & Truck Rentals
    • Europcar
    • Alamo
    • Budget
    • Enterprise Rent-A-Car

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

    Round-trip flights from San Francisco to Ottawa range from C$ 624 to C$ 1,075, with an average of C$ 791 over the past 12 months. Anything below C$ 624 counts as a good deal.

Your guide to booking San Francisco to Ottawa 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 Sunday departure instead of Tuesday. On this route, Sunday flights average C$ 618 – about C$ 334 less than Tuesday (35% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 68% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Francisco to Ottawa trip for February. Fares historically average C$ 583 round-trip in that month – typically C$ 571 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ottawa Airport.
    - Hilton Garden Inn Ottawa Airport
    - Fairfield Inn & Suites by Marriott Ottawa Airport
    - Hampton Inn by Hilton Ottawa Airport

More options for your flight from San Francisco to Ottawa

Complete your trip to Ottawa with a hotel stay or car rental

Car rentals in Ottawa
Hotels in Ottawa
Vacations in Ottawa