£581 Cheap Flights from Shannon (SNN) to San Francisco (SFO)

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

Prices were available within the past 7 days and start at £581 for one-way flights and £722 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 16 May - Sun, 28 Jul
SNN
Shannon
SFO
San Francisco
£722 Return, found 2 days ago
£722
Return
found 2 days ago
Select Aer Lingus flight, departing Thu, 16 May from Shannon to San Francisco, returning Sun, 28 Jul, priced at £722 found 2 days ago
British Airways
Thu, 16 May - Sun, 28 Jul
SNN
Shannon
SFO
San Francisco
£743 Return, found 2 days ago
£743
Return
found 2 days ago
Select British Airways flight, departing Thu, 16 May from Shannon to San Francisco, returning Sun, 28 Jul, priced at £743 found 2 days ago
Aer Lingus
Thu, 16 May - Sun, 28 Jul
SNN
Shannon
SFO
San Francisco
£752 Return, found 2 days ago
£752
Return
found 2 days ago
Select Aer Lingus flight, departing Thu, 16 May from Shannon to San Francisco, returning Sun, 28 Jul, priced at £752 found 2 days ago
Aer Lingus
Thu, 16 May - Sun, 28 Jul
SNN
Shannon
SFO
San Francisco
£756 Return, found 2 days ago
£756
Return
found 2 days ago
Select Aer Lingus flight, departing Thu, 16 May from Shannon to San Francisco, returning Sun, 28 Jul, priced at £756 found 2 days ago
Aer Lingus
Thu, 16 May - Sun, 28 Jul
SNN
Shannon
SFO
San Francisco
£783 Return, found 2 days ago
£783
Return
found 2 days ago
Select Aer Lingus flight, departing Thu, 16 May from Shannon to San Francisco, returning Sun, 28 Jul, priced at £783 found 2 days ago
Aer Lingus
Thu, 16 May - Sun, 28 Jul
SNN
Shannon
SFO
San Francisco
£794 Return, found 2 days ago
£794
Return
found 2 days ago
Select Aer Lingus flight, departing Thu, 16 May from Shannon to San Francisco, returning Sun, 28 Jul, priced at £794 found 2 days ago
Air Canada
Thu, 16 May - Sun, 28 Jul
SNN
Shannon
SFO
San Francisco
£799 Return, found 2 days ago
£799
Return
found 2 days ago
Select Air Canada flight, departing Thu, 16 May from Shannon to San Francisco, returning Sun, 28 Jul, priced at £799 found 2 days ago
KLM
Sun, 4 Aug - Sat, 10 Aug
SNN
Shannon
SFO
San Francisco
£819 Return, found 2 days ago
£819
Return
found 2 days ago
Select KLM flight, departing Sun, 4 Aug from Shannon to San Francisco, returning Sat, 10 Aug, priced at £819 found 2 days ago
Aer Lingus
Thu, 16 May - Sun, 28 Jul
SNN
Shannon
SFO
San Francisco
£823 Return, found 2 days ago
£823
Return
found 2 days ago
Select Aer Lingus flight, departing Thu, 16 May from Shannon to San Francisco, returning Sun, 28 Jul, priced at £823 found 2 days ago
Air Canada
Thu, 16 May - Sun, 28 Jul
SNN
Shannon
SFO
San Francisco
£827 Return, found 2 days ago
£827
Return
found 2 days ago
Select Air Canada flight, departing Thu, 16 May from Shannon to San Francisco, returning Sun, 28 Jul, priced at £827 found 2 days ago
Flight from Shannon to San Francisco route information
Origin airport
Shannon
Destination airport
San Francisco Intl.
Return price
£721
Distance
8056 km

Compare flights from Shannon to San Francisco easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Shannon to San Francisco. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Francisco Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Shannon to San Francisco Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Shannon (SNN) to San Francisco Intl. (SFO) 

The easiest way to view the best deals on flights from Shannon to San Francisco today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Shannon to San Francisco Intl. start at just £722 and range up to £827.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Shannon and San Francisco
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Shannon to San Francisco flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Shannon to San Francisco Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £722. 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.
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