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 are refreshed on a daily basis.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license, 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.

£541 Cheap Flights from Shannon, Clare to San Francisco in 2026

Find the cheapest flights from Shannon, Clare to San Francisco

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:30 - 19:14SNN Shannon-SFO San Francisco

14h 44m1 stop Newark

06:45 - 10:15SFO San Francisco-SNN Shannon

19h 30m2 stops Washington, D.C. Dulles Intl Newark

£541United Airlines

Wed, 30 Sep - Wed, 7 Oct

09:30 - 17:23SNN Shannon-SFO San Francisco

15h 53m1 stop Chicago O'Hare Intl

10:40 - 10:15SFO San Francisco-SNN Shannon

15h 35m2 stops Denver Intl Newark

£542United Airlines

Sat, 19 Sep - Sat, 26 Sep

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

26h 50m1 stop London Heathrow

17:25 - 11:30SFO San Francisco-SNN Shannon

34h 05m1 stop London Heathrow

£617British Airways

Thu, 26 Nov - Sun, 29 Nov

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

26h 50m1 stop London Heathrow

17:25 - 11:30SFO San Francisco-SNN Shannon

34h 05m1 stop London Heathrow

£618British Airways

Thu, 26 Nov - Sun, 29 Nov

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

26h 50m1 stop London Heathrow

17:25 - 11:30SFO San Francisco-SNN Shannon

34h 05m1 stop London Heathrow

£619British Airways

Thu, 26 Nov - Sun, 29 Nov

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

26h 50m1 stop London Heathrow

17:25 - 11:30SFO San Francisco-SNN Shannon

34h 05m1 stop London Heathrow

£620British Airways

Thu, 26 Nov - Sun, 29 Nov

09:30 - 17:23SNN Shannon-SFO San Francisco

15h 53m1 stop Chicago O'Hare Intl

15:10 - 07:30SFO San Francisco-SNN Shannon

32h 20m1 stop Chicago O'Hare Intl

£645Lufthansa

Wed, 16 Sep - Sun, 20 Sep

09:30 - 18:49SNN Shannon-SFO San Francisco

17h 19m1 stop Chicago O'Hare Intl

06:45 - 10:15SFO San Francisco-SNN Shannon

19h 30m2 stops Washington, D.C. Dulles Intl Newark

£651United Airlines

Tue, 22 Sep - Wed, 7 Oct

21:15 - 13:50SNN Shannon-SFO San Francisco

24h 35m1 stop London Heathrow

16:35 - 20:35SFO San Francisco-SNN Shannon

20h 00m1 stop London Heathrow

£657British Airways

Tue, 29 Sep - Tue, 6 Oct

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United Airlines flights from Shannon, Clare to San Francisco

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

United Airlines

30 Sept

SNN12:30Shannon

16h 44m

2 stops

SFO21:14San Francisco

7 Oct

SFO06:45San Francisco

19h 30m

2 stops

SNN10:15Shannon

£541

United Airlines

19 Sept

SNN09:30Shannon

15h 53m

1 stop

SFO17:23San Francisco

26 Sept

SFO10:40San Francisco

15h 35m

2 stops

SNN10:15Shannon

£542

United Airlines

22 Sept

SNN09:30Shannon

20h 15m

2 stops

SFO21:45San Francisco

7 Oct

SFO06:45San Francisco

19h 30m

2 stops

SNN10:15Shannon

£651

British Airways flights from Shannon, Clare to San Francisco

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

British Airways

26 Nov

SNN20:05Shannon

26h 50m

1 stop

SFO14:55San Francisco

29 Nov

SFO17:25San Francisco

34h 05m

1 stop

SNN11:30Shannon

£617

British Airways

26 Nov

SNN20:05Shannon

26h 50m

1 stop

SFO14:55San Francisco

29 Nov

SFO17:25San Francisco

34h 05m

1 stop

SNN11:30Shannon

£618

British Airways

26 Nov

SNN20:05Shannon

26h 50m

1 stop

SFO14:55San Francisco

29 Nov

SFO17:25San Francisco

34h 05m

1 stop

SNN11:30Shannon

£619

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

Wed 30/9

12:30-19:14

1 stop14h 44m

San Francisco

Wed 7/10

06:45-10:15

2 stops19h 30m

£541

Fastest return journey

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Sat 19/9

09:30-17:23

1 stop15h 53m

San Francisco

Sat 26/9

10:40-10:15

2 stops15h 35m

£542

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 26/11

20:05-14:55

1 stop26h 50m

San Francisco

Sun 29/11

17:25-11:30

1 stop34h 05m

£617

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 26/11

20:05-14:55

1 stop26h 50m

San Francisco

Sun 29/11

17:25-11:30

1 stop34h 05m

£618

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 26/11

20:05-14:55

1 stop26h 50m

San Francisco

Sun 29/11

17:25-11:30

1 stop34h 05m

£619

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 26/11

20:05-14:55

1 stop26h 50m

San Francisco

Sun 29/11

17:25-11:30

1 stop34h 05m

£620

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Wed 16/9

09:30-17:23

1 stop15h 53m

San Francisco

Sun 20/9

15:10-07:30

1 stop32h 20m

£645

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Tue 22/9

09:30-18:49

1 stop17h 19m

San Francisco

Wed 7/10

06:45-10:15

2 stops19h 30m

£651

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Tue 29/9

21:15-13:50

1 stop24h 35m

San Francisco

Tue 6/10

16:35-20:35

1 stop20h 00m

£657

Cheapest one-way

Fastest single journey

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Wed 30/12

20:05-14:55

1 stop26h 50m

£727

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 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?

British Airways is the most popular carrier 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	£727
Direct flights	None

The best one-way flight to San Francisco from Shannon, Clare in the past 72 hours is £727. The best return flight deal from Shannon, Clare to San Francisco found on momondo in the last 72 hours is £541.

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?
The distance between Shannon and San Francisco is about 5024.8 mi.
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 are refreshed on a daily basis.
How old do you have to be to fly from Shannon Airport to San Francisco Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license, 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.

South San Francisco

Santa Cruz

Sunnyvale

Calistoga

Carmel-by-the-Sea

Rohnert Park

Windsor

Burlingame

Belmont

Big Sur

Sausalito

San Bruno

Pacific Grove

Aptos

Mill Valley

Newark

Campbell

Palo Alto

Seaside

Roseville

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Shannon to San Francisco for you.

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

Yes. All flights to San Francisco from Shannon on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Shannon.

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

Yes momondo offers price alerts on flights to San Francisco from Shannon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.