Cheap Flights San Francisco to Ottawa from CAD 243

Flight FAQs

• Which airlines offer the cheapest flights from San Francisco (SFO) to Ottawa (YOW)?

  Based on Trip.com data, WestJet offers one-way fares as low as CAD 243 on Cheapest nonstop routes (e.g. SFO to YOW on Wed, Aug 5), while WestJet offers Cheapest nonstop round-trips from CAD 529 departing on Sat, Sep 5 and returning on Tue, Sep 8.

• Which airlines offer flights from San Francisco to Ottawa?

  At the moment, several airlines serve connecting flights from San Francisco to Ottawa, including: Porter Airlines Air Canada Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Ottawa is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from San Francisco to Ottawa?

  To find best deals on flights from San Francisco to Ottawa, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Aug 5, with one-way flights priced at just CAD 243.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is WestJet.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Ottawa travel is around July.
  · Get exclusive promo codes for Trip.com app users.

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

  The cheapest months to fly from San Francisco to Ottawa is September, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from San Francisco to Ottawa?

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from San Francisco to Ottawa on July 14, 2026 with WestJet, with prices starting at CAD 243.

• Which airports can I fly through when travelling to Ottawa from San Francisco?

  You can land at any one of the following hubs in Ottawa, with San Francisco International Airport to Ottawa International Airport (SFO-YOW) is by far the most common option on this route: Gatineau-Ottawa Executive Airport (YND) Ottawa International Airport (YOW).

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

  The time difference between Ottawa and San Francisco is 3h.

• How can I change or cancel my flight ticket from San Francisco to Ottawa?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.