S$229 Cheap Flights from Ottawa to San Francisco

View S$229 flight on Sun, 31 Aug, 2025Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to San Francisco Intl. Airport (SFO)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at S$229 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Ottawa (YOW) to San Francisco (SFO)

May is typically the cheapest month to fly

From S$298 - S$417 per traveller.

Graph displaying average flight prices per month

Ottawa to San Francisco route information
Origin airport
Macdonald-Cartier Intl.
Destination airport
San Francisco Intl.
Distance
3905 km

Perfect flights from Ottawa to San Francisco

Your Journey from Ottawa to San Francisco

Start your unforgettable journey with Expedia. Our broad selection of flights from Ottawa to San Francisco caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including WestJet, Porter Airlines, Air Canada, United. Our selection of flights from Macdonald-Cartier Intl. to San Francisco Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Ottawa to San Francisco Flights

Experience the joy of finding cheap flights from Macdonald-Cartier Intl. to San Francisco Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$229 and roundtrip prices *.
 

Pre-Flight Essentials

Ensure a smooth journey from Ottawa to San Francisco with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant San Francisco

Picture yourself stepping off the plane in San Francisco and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Ottawa to San Francisco Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Ottawa to San Francisco.
 

Beyond the Flight – Exploring San Francisco

With Expedia, your adventure extends beyond the flight. Explore San Francisco at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Ottawa to San Francisco with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Ottawa to San Francisco with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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.

Explore a world of travel with Expedia

*Available to Expedia members.