S$238 Cheap Flights from Ottawa to San Francisco

View S$238 flight on Wed, 23 Jul, 2025Opens in a new window

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

Prices were available within the past 7 days and start at S$238 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Ottawa International Airport to SFO?
Round-trip journeys from Ottawa Intl. Airport to SFO start from . This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Macdonald-Cartier Intl. Airport (YOW) to SFO?
Most flights can be conveniently cancelled online, but whether or not you are charged a fee varies between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Ottawa International Airport to San Francisco Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Ottawa International Airport to San Francisco Intl. Airport (SFO) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Macdonald-Cartier Intl. Airport (YOW) to San Francisco Airport?
It’s around 3,900 kilometres between Ottawa and San Francisco, so expect to be strapped into your seat for a while. Keep yourself entertained by packing things like playing cards (if you’re travelling with friends) or a gripping book.
Which airlines fly direct from YOW to San Francisco Intl. Airport (SFO)?
You won’t find any airlines flying directly between Macdonald-Cartier Intl. Airport (YOW) and San Francisco Intl. Airport (SFO), so be prepared to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are YOW to SFO flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Ottawa Intl. Airport to SFO at the last minute could save you some serious cash. However, you might miss out on a flight altogether! If you’d prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back often as deals are updated on Expedia all the time.
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