Cheap Flights from San Francisco (SFO) to Shannon (SNN)

View AU$717 flight on Sun, 14 Sep. 2025Opens in a new window

Popular airlines from San Francisco International Airport (SFO) to Shannon Airport (SNN)

  • 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 35% 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 San Francisco (SFO) to Shannon (SNN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from San Francisco to Shannon route information
Origin airport
San Francisco Intl.
Destination airport
Shannon
Distance
8056 km

Your quick guide to flights from San Francisco to Shannon

Pick up great flights from San Francisco to Shannon

With Expedia, you have your pick of flights a day with 3 airlines covering flights from San Francisco to Shannon. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from San Francisco to Shannon that take around hours.

Find cheap flights from San Francisco to Shannon

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from San Francisco to Shannon around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Shannon is normally in .

Reasons to book your flight from San Francisco to Shannon with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from San Francisco to Shannon across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Shannon right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from San Francisco Airport to SNN?
If you're travelling between San Francisco Airport and SNN, round-trip journeys start from . This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Airport to SNN?
The majority of flights can be cancelled online, but whether you are charged a fee varies between airlines. If you do need to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from SFO to SNN 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 San Francisco Airport to Shannon Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Francisco Intl. Airport (SFO) to Shannon Airport?
You'll have 8 100 kilometres to cover on the long-haul San Francisco to Shannon route. Wear layers of comfortable clothes and consider taking a pair of noise-cancelling earphones.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to SNN?
You won't find any airlines flying directly between San Francisco Airport and SNN, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!
Are San Francisco Airport to Shannon Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from San Francisco Intl. Airport (SFO) to Shannon Airport (SNN) can be hit-or-miss. You may be able to find a bargain, but you could also completely miss out! If you'd prefer to play it safe and start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines release their prices so far in advance. Our suggestion? Check back often as prices are updated regularly.

Explore a world of travel with Expedia

*Available to Expedia members.