When did momondo last update prices for flights from Shannon Airport to San Francisco Airport?

Prices for flights from Shannon Airport to San Francisco Airport were last updated today.

How old do you have to be to fly from Shannon Airport to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Shannon Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€454 Cheap Flights from Shannon, Clare to San Francisco in 2026/27

Find the cheapest flights from Shannon, Clare to San Francisco

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

20:05 - 14:55SNN Shannon-SFO San Francisco

26h 50m1 stop London Heathrow

17:25 - 16:45SFO San Francisco-SNN Shannon

15h 20m1 stop London Heathrow

€695British Airways

Sun, 20 Dec - Thu, 31 Dec

20:05 - 14:55SNN Shannon-SFO San Francisco

26h 50m1 stop London Heathrow

20:35 - 19:25SFO San Francisco-SNN Shannon

14h 50m1 stop London Heathrow

€696British Airways

Sun, 20 Dec - Wed, 30 Dec

17:30 - 14:55SNN Shannon-SFO San Francisco

29h 25m1 stop London Heathrow

10:41 - 11:30SFO San Francisco-SNN Shannon

16h 49m2 stops Chicago O'Hare Intl London Heathrow

€721Multiple Airlines

Thu, 19 Nov - Mon, 23 Nov

07:50 - 22:05SNN Shannon-SFO San Francisco

22h 15m2 stops London Heathrow Chicago O'Hare Intl

08:47 - 11:30SFO San Francisco-SNN Shannon

18h 43m2 stops Chicago O'Hare Intl London Heathrow

€730Multiple Airlines

Thu, 19 Nov - Mon, 23 Nov

20:05 - 14:55SNN Shannon-SFO San Francisco

26h 50m1 stop London Heathrow

20:35 - 19:25SFO San Francisco-SNN Shannon

14h 50m1 stop London Heathrow

€734Multiple Airlines

Mon, 23 Nov - Sun, 29 Nov

20:05 - 15:35SNN Shannon-SFO San Francisco

27h 30m2 stops London Heathrow Dublin

17:20 - 19:25SFO San Francisco-SNN Shannon

18h 05m2 stops Dublin London Heathrow

€737Aer Lingus

Fri, 20 Nov - Mon, 23 Nov

14:00 - 00:45SNN Shannon-SFO San Francisco

18h 45m2 stops Boston Logan Intl Dallas/Fort Worth

17:02 - 05:50SFO San Francisco-SNN Shannon

28h 48m2 stops Dallas/Fort Worth Boston Logan Intl

€747Multiple Airlines

Thu, 3 Dec - Mon, 7 Dec

07:50 - 14:55SNN Shannon-SFO San Francisco

15h 05m1 stop London Heathrow

17:25 - 19:25SFO San Francisco-SNN Shannon

18h 00m1 stop London Heathrow

€751Multiple Airlines

Thu, 3 Dec - Tue, 8 Dec

07:50 - 14:55SNN Shannon-SFO San Francisco

15h 05m1 stop London Heathrow

17:25 - 19:25SFO San Francisco-SNN Shannon

18h 00m1 stop London Heathrow

€756Multiple Airlines

Thu, 3 Dec - Wed, 9 Dec

14:00 - 12:53SNN Shannon-SFO San Francisco

30h 53m2 stops Boston Logan Intl Chicago O'Hare Intl

05:35 - 05:50SFO San Francisco-SNN Shannon

16h 15m2 stops Dallas/Fort Worth Boston Logan Intl

€757American Airlines

Thu, 3 Dec - Tue, 8 Dec

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from Shannon, Clare to San Francisco

Our best American Airlines deals on Shannon, Clare to San Francisco flight tickets

American Airlines

3 Dec

SNN14:00Shannon

30h 53m

2 stops

SFO12:53San Francisco

8 Dec

SFO05:35San Francisco

16h 15m

2 stops

SNN05:50Shannon

€757

American Airlines

18 Nov

SNN14:00Shannon

18h 39m

2 stops

SFO00:39San Francisco

26 Nov

SFO06:00San Francisco

15h 50m

2 stops

SNN05:50Shannon

€758

American Airlines

20 Nov

SNN14:00Shannon

18h 47m

2 stops

SFO00:47San Francisco

23 Nov

SFO05:23San Francisco

16h 27m

2 stops

SNN05:50Shannon

€768

British Airways flights from Shannon, Clare to San Francisco

Our best British Airways deals on Shannon, Clare to San Francisco flight tickets

British Airways

20 Dec

SNN20:05Shannon

26h 50m

1 stop

SFO14:55San Francisco

31 Dec

SFO17:25San Francisco

15h 20m

1 stop

SNN16:45Shannon

€695

British Airways

20 Dec

SNN20:05Shannon

26h 50m

1 stop

SFO14:55San Francisco

30 Dec

SFO20:35San Francisco

14h 50m

1 stop

SNN19:25Shannon

€696

British Airways

18 Dec

SNN07:50Shannon

24h 47m

2 stops

SFO00:37San Francisco

28 Dec

SFO13:20San Francisco

19h 25m

2 stops

SNN16:45Shannon

€807

momondo Fare Finder

Use the filters below to find and compare flights from Shannon, Clare to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Sun 20/12

20:05-14:55

1 stop26h 50m

San Francisco

Thu 31/12

17:25-16:45

1 stop15h 20m

€695

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Sun 20/12

20:05-14:55

1 stop26h 50m

San Francisco

Wed 30/12

20:35-19:25

1 stop14h 50m

€696

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 19/11

17:30-14:55

1 stop29h 25m

San Francisco

Mon 23/11

10:41-11:30

2 stops16h 49m

€721

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 19/11

07:50-22:05

2 stops22h 15m

San Francisco

Mon 23/11

08:47-11:30

2 stops18h 43m

€730

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Mon 23/11

20:05-14:55

1 stop26h 50m

San Francisco

Sun 29/11

20:35-19:25

1 stop14h 50m

€734

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Fri 20/11

20:05-15:35

2 stops27h 30m

San Francisco

Mon 23/11

17:20-19:25

2 stops18h 05m

€737

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 3/12

14:00-00:45

2 stops18h 45m

San Francisco

Mon 7/12

17:02-05:50

2 stops28h 48m

€747

Fastest return journey

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 3/12

07:50-14:55

1 stop15h 05m

San Francisco

Tue 8/12

17:25-19:25

1 stop18h 00m

€751

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 3/12

07:50-14:55

1 stop15h 05m

San Francisco

Wed 9/12

17:25-19:25

1 stop18h 00m

€756

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 3/12

14:00-12:53

2 stops30h 53m

San Francisco

Tue 8/12

05:35-05:50

2 stops16h 15m

€757

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Shannon, Clare to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Shannon to San Francisco?

Aer Lingus and British Airways are the most popular carriers operating from Shannon to San Francisco

When to book flights from Shannon, Clare to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Shannon, Clare to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Shannon, Clare to San Francisco (SNN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Shannon, Clare to San Francisco

Best price found	€454
Fastest flight time	18h 31m
Direct flights	None

The best one-way flight to San Francisco from Shannon, Clare in the past 72 hours is €454. The best return flight deal from Shannon, Clare to San Francisco found on momondo in the last 72 hours is €695.

The fastest flight from Shannon, Clare to San Francisco takes 18h 31m

There are no direct flights from Shannon, Clare to San Francisco. There are no popular flight routes from Shannon, Clare to San Francisco.

Search flight deals

Frequently asked questions about flying from Shannon, Clare to San Francisco

How far is Shannon to San Francisco by plane?
There are 8086.7 km between Shannon and San Francisco. In terms of flight time, this usually takes a little over 18h 31m.
When did momondo last update prices for flights from Shannon Airport to San Francisco Airport?
Prices for flights from Shannon Airport to San Francisco Airport were last updated today.
How old do you have to be to fly from Shannon Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Shannon Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Santa Cruz

Millbrae

Mountain View

Bodega Bay

Rohnert Park

South San Francisco

San Bruno

Berkeley

Aptos

Menlo Park

Why use momondo?

Why should I use momondo to find a flight deal from Shannon to San Francisco?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Shannon to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Shannon to San Francisco with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Francisco from Shannon which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Shannon to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Shannon. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Shannon to San Francisco right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Shannon to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.