€351 Cheap Flights Shannon to San Francisco (SNN-SFO)

View €351 flight on Wed, 21 Jan 2026Opens in a new window

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

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Cheap flights from Shannon to San Francisco (SNN-SFO)

Prices were available within the past 7 days and start at €351 for one-way flights and €536 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sat, 31 Jan - Mon, 2 Feb
SNN
Shannon
SFO
San Francisco
€536 Return, found 1 day ago
€536
Return
found 1 day ago
Select British Airways flight, departing Sat, 31 Jan from Shannon to San Francisco, returning Mon, 2 Feb, priced at €536 found 1 day ago
British Airways
Mon, 5 Jan - Sun, 11 Jan
SNN
Shannon
SFO
San Francisco
€541 Return, found 4 hours ago
€541
Return
found 4 hours ago
Select British Airways flight, departing Mon, 5 Jan from Shannon to San Francisco, returning Sun, 11 Jan, priced at €541 found 4 hours ago
British Airways
Mon, 22 Dec - Sat, 10 Jan
SNN
Shannon
SFO
San Francisco
€556 Return, found 4 days ago
€556
Return
found 4 days ago
Select British Airways flight, departing Mon, 22 Dec from Shannon to San Francisco, returning Sat, 10 Jan, priced at €556 found 4 days ago
British Airways
Wed, 3 Dec - Wed, 10 Dec
SNN
Shannon
SFO
San Francisco
€561 Return, found 6 hours ago
€561
Return
found 6 hours ago
Select British Airways flight, departing Wed, 3 Dec from Shannon to San Francisco, returning Wed, 10 Dec, priced at €561 found 6 hours ago
British Airways
Mon, 22 Dec - Sat, 10 Jan
SNN
Shannon
SFO
San Francisco
€561 Return, found 4 days ago
€561
Return
found 4 days ago
Select British Airways flight, departing Mon, 22 Dec from Shannon to San Francisco, returning Sat, 10 Jan, priced at €561 found 4 days ago
Aer Lingus
Wed, 3 Dec - Wed, 10 Dec
SNN
Shannon
SFO
San Francisco
€566 Return, found 6 hours ago
€566
Return
found 6 hours ago
Select Aer Lingus flight, departing Wed, 3 Dec from Shannon to San Francisco, returning Wed, 10 Dec, priced at €566 found 6 hours ago
Aer Lingus
Sat, 7 Feb - Sat, 14 Feb
SNN
Shannon
SFO
San Francisco
€566 Return, found 2 days ago
€566
Return
found 2 days ago
Select Aer Lingus flight, departing Sat, 7 Feb from Shannon to San Francisco, returning Sat, 14 Feb, priced at €566 found 2 days ago
United
Wed, 26 Aug - Mon, 31 Aug
SNN
Shannon
SFO
San Francisco
€632 Return, found 9 hours ago
€632
Return
found 9 hours ago
Select United flight, departing Wed, 26 Aug from Shannon to San Francisco, returning Mon, 31 Aug, priced at €632 found 9 hours ago
Air Canada
Wed, 3 Dec - Wed, 10 Dec
SNN
Shannon
SFO
San Francisco
€636 Return, found 6 hours ago
€636
Return
found 6 hours ago
Select Air Canada flight, departing Wed, 3 Dec from Shannon to San Francisco, returning Wed, 10 Dec, priced at €636 found 6 hours ago
Delta
Wed, 26 Aug - Mon, 31 Aug
SNN
Shannon
SFO
San Francisco
€674 Return, found 9 hours ago
€674
Return
found 9 hours ago
Select Delta flight, departing Wed, 26 Aug from Shannon to San Francisco, returning Mon, 31 Aug, priced at €674 found 9 hours ago

Frequently asked questions

How much is a flight from Shannon Airport (SNN) to SFO?
Start packing your suitcase, because round-trip flights between Shannon Airport (SNN) and San Francisco Airport start from €536. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Shannon Airport to SFO?
Most flights can be cancelled online, but every airline has a different set of terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from SNN to San Francisco Intl. Airport (SFO) 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 Shannon Airport (SNN) to San Francisco Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from SNN to San Francisco Airport?
Make the 12 hours and 36 minutes between Shannon Airport (SNN) and SFO (SFO) as comfortable as you can. Bring the essentials, like toiletries, your toothbrush and a neck pillow, and sit back and enjoy the flight!
How far is the flight from SNN to San Francisco Intl. Airport (SFO)?
You'll have 8,100 kilometres to cover on the long-haul Shannon to San Francisco route. Wear comfy clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from SNN to San Francisco Airport?
There are no direct flights, so you'll need to make at least one stop between SNN and San Francisco Intl. Airport (SFO). Take advantage of the layover time to stretch your legs and take a break.
Are Shannon Airport to SFO flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes pick up a bargain, with some of the cheapest fares from Shannon Airport to San Francisco Intl. Airport (SFO) cropping up a few weeks before the date of departure. If you'd rather book ahead, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines issue prices that far in advance.

Travel information

Origin airport
Shannon
Destination airport
San Francisco Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Lufthansa, United
Return price
€536
Distance
8056 km

Book with confidence

Perfect flights from Shannon to San Francisco

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Shannon to San Francisco. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Shannon to San Francisco Intl. ticket options cater to your travel preferences, with incredible one-way fares from €351 and roundtrip prices from €536. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at San Francisco Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in San Francisco.
Perfect flights from Shannon to San Francisco

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