SFO - YOW

C$ 285 Find Cheap Flights from San Francisco to Ottawa – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 613
Typical prices: C$ 639-C$ 1,095
Porter Airlines
Tue 24/4Tue 8/5
SFO - YOW • 1 stop
Cheapest one-way flights
C$ 285
Typical prices: C$ 322-C$ 685
Multiple Airlines
Mon 10/12
SFO - YOW • 2 stops
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 69% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 28% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Calgary (YYC)
Cheapest • Avg C$ 710 (round-trip)
Washington, D.C. Dulles Intl (IAD)
Shortest trip • 8h 18m (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

Sat, 24 Apr - Sat, 8 May
Porter Airlines Logo
1:45 p.m. - 12:37 a.m.SFO  San Francisco-YOW Ottawa
7h 52m1 stop Toronto Pearson Intl
Porter Airlines Logo
7:00 a.m. - 12:20 p.m.YOW  Ottawa-SFO San Francisco
8h 20m1 stop Toronto Pearson Intl
C$ 613Porter Airlines
Wed, 18 Nov - Sat, 21 Nov
Multiple Airlines Logo
5:07 p.m. - 10:02 p.m.SFO  San Francisco-YOW Ottawa
25h 55m2 stops Phoenix Sky Harbor Intl Toronto Pearson Intl
Multiple Airlines Logo
7:00 a.m. - 12:44 p.m.YOW  Ottawa-SFO San Francisco
8h 44m1 stop Toronto Pearson Intl
C$ 622Multiple Airlines
Sat, 24 Apr - Sat, 8 May
Porter Airlines Logo
1:45 p.m. - 12:37 a.m.SFO  San Francisco-YOW Ottawa
7h 52m1 stop Toronto Pearson Intl
Porter Airlines Logo
7:00 a.m. - 12:20 p.m.YOW  Ottawa-SFO San Francisco
8h 20m1 stop Toronto Pearson Intl
C$ 631Porter Airlines
Thu, 26 Nov - Thu, 3 Dec
Porter Airlines Logo
1:45 p.m. - 12:37 a.m.SFO  San Francisco-YOW Ottawa
7h 52m1 stop Toronto Pearson Intl
Porter Airlines Logo
7:00 a.m. - 12:47 p.m.YOW  Ottawa-SFO San Francisco
8h 47m1 stop Toronto Pearson Intl
C$ 635Porter Airlines
Wed, 3 Mar - Tue, 9 Mar
Multiple Airlines Logo
9:44 a.m. - 12:50 a.m.SFO  San Francisco-YOW Ottawa
12h 06m2 stops Las Vegas Harry Reid Intl Toronto Pearson Intl
Multiple Airlines Logo
7:00 a.m. - 12:45 p.m.YOW  Ottawa-SFO San Francisco
8h 45m1 stop Toronto Pearson Intl
C$ 638Multiple Airlines
Sat, 24 Apr - Sat, 8 May
Multiple Airlines Logo
1:45 p.m. - 12:37 a.m.SFO  San Francisco-YOW Ottawa
7h 52m1 stop Toronto Pearson Intl
Multiple Airlines Logo
6:15 p.m. - 9:55 p.m.YOW  Ottawa-SFO San Francisco
30h 40m2 stops Edmonton Calgary
C$ 642Multiple Airlines
Sat, 24 Apr - Sat, 8 May
Porter Airlines Logo
1:45 p.m. - 12:37 a.m.SFO  San Francisco-YOW Ottawa
7h 52m1 stop Toronto Pearson Intl
Porter Airlines Logo
7:00 a.m. - 12:20 p.m.YOW  Ottawa-SFO San Francisco
8h 20m1 stop Toronto Pearson Intl
C$ 645Porter Airlines
Tue, 8 Dec - Wed, 9 Dec
Multiple Airlines Logo
1:45 p.m. - 12:41 a.m.SFO  San Francisco-YOW Ottawa
7h 56m1 stop Toronto Pearson Intl
Multiple Airlines Logo
7:00 a.m. - 8:08 p.m.YOW  Ottawa-SFO San Francisco
16h 08m2 stops Toronto Pearson Intl Los Angeles
C$ 659Multiple Airlines
Thu, 14 Jan - Mon, 18 Jan
WestJet Logo
4:40 p.m. - 11:40 p.m.SFO  San Francisco-YOW Ottawa
28h 00m1 stop Calgary
WestJet Logo
6:10 a.m. - 3:50 p.m.YOW  Ottawa-SFO San Francisco
12h 40m1 stop Calgary
C$ 660WestJet
Thu, 14 Jan - Thu, 28 Jan
WestJet Logo
4:40 p.m. - 11:40 p.m.SFO  San Francisco-YOW Ottawa
28h 00m1 stop Calgary
WestJet Logo
6:10 a.m. - 3:50 p.m.YOW  Ottawa-SFO San Francisco
12h 40m1 stop Calgary
C$ 750WestJet
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 with more confidence.

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

Round-trip flights from San Francisco to Ottawa typically range from C$ 639 to C$ 1,095. The lowest price found in the past 5 days was C$ 613, on Porter Airlines.

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

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from San Francisco to Ottawa. It's 23% cheaper than the average day, while Tuesday is the most expensive, with prices 23% higher.

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$ 590 round-trip.
•May (C$ 1,168) and November (C$ 1,143) 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 flights 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 69% 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$ 285
Beat the crowds with an average 46% drop in traveller numbers.
The most popular month to fly with an average 81% increase in traveller numbers.
One-way flight 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 answers about this route, including flight times, airports, airlines, and booking tips.

  • 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.

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

    A direct flight from San Francisco to Ottawa takes 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.

  • 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$ 639 to C$ 1,095, with an average of C$ 816 over the past 12 months. Anything below C$ 639 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 78% above the C$ 816 route average. Book 21 weeks before departure for the lowest fares.

  • 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$ 613 to C$ 2,502. That means the highest observed fare was about 4x 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$ 342, which is 31% below the typical average for this route.

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

    Ottawa Airport (YOW) hosts 5 major car rental companies, with daily rates averaging C$ 59 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • Europcar
    • Alamo
    • Budget
    • Enterprise Rent-A-Car

  • 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 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) – 43% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 4% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) – 3% of one-stop connections

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

    Yes. Flexible dates can save you up to 38% on flights from San Francisco to Ottawa. Sunday is the cheapest departure day at C$ 631 round-trip on average, while Tuesday is the most expensive at C$ 1,008, a difference of C$ 378.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 8h 18m, compared with 8h 20m via Toronto Pearson Intl (YYZ) and 8h 47m via Montreal Pierre Elliott Trudeau Intl (YUL).

  • 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.

  • Which popular places can I visit in Ottawa?

    Some of the most popular sights in Ottawa are National Arts Centre, Shaw Centre, and Canal Rideau Memorial. These are among the most viewed places in Ottawa on KAYAK.

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 and avoid flying on Tuesday. On this route, Sunday flights average C$ 631, about C$ 378 less than Tuesday fares (37% 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 69% 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$ 590 round-trip in that month – typically C$ 578 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
    • Hampton Inn by Hilton Ottawa Airport
    • Ramada by Wyndham Ottawa On The Rideau

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