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.

€433 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.

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

26h 35m2 stops London Heathrow Dublin

17:40 - 20:35SFO San Francisco-SNN Shannon

18h 55m2 stops Dublin London Heathrow

€713Aer Lingus

Wed, 23 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

€720British 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

€721British Airways

Thu, 26 Nov - Sun, 29 Nov

12:30 - 21:22SNN Shannon-SFO San Francisco

16h 52m1 stop Newark

07:00 - 10:15SFO San Francisco-SNN Shannon

19h 15m1 stop Newark

€727Lufthansa

Thu, 15 Oct - Thu, 22 Oct

12:30 - 21:22SNN Shannon-SFO San Francisco

16h 52m1 stop Newark

07:00 - 10:15SFO San Francisco-SNN Shannon

19h 15m1 stop Newark

€727Lufthansa

Thu, 8 Oct - Mon, 12 Oct

07:30 - 20:11SNN Shannon-SFO San Francisco

20h 41m2 stops London Heathrow Chicago O'Hare Intl

10:33 - 11:20SFO San Francisco-SNN Shannon

16h 47m2 stops Chicago O'Hare Intl London Heathrow

€735British Airways

Wed, 14 Oct - Wed, 21 Oct

14:45 - 16:27SNN Shannon-SFO San Francisco

33h 42m2 stops Boston Logan Intl Chicago O'Hare Intl

16:11 - 11:30SFO San Francisco-SNN Shannon

35h 19m2 stops Los Angeles London Heathrow

€745American Airlines

Thu, 26 Nov - Sun, 29 Nov

14:45 - 12:51SNN Shannon-SFO San Francisco

30h 06m2 stops Boston Logan Intl Chicago O'Hare Intl

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

34h 05m1 stop London Heathrow

€745American Airlines

Thu, 26 Nov - Sun, 29 Nov

14:00 - 12:51SNN Shannon-SFO San Francisco

30h 51m2 stops Boston Logan Intl Chicago O'Hare Intl

20:59 - 16:45SFO San Francisco-SNN Shannon

35h 46m2 stops Phoenix Sky Harbor Intl London Heathrow

€746American Airlines

Thu, 26 Nov - Sun, 29 Nov

14:40 - 12:14SNN Shannon-SFO San Francisco

29h 34m1 stop New York John F Kennedy Intl

20:59 - 16:45SFO San Francisco-SNN Shannon

35h 46m2 stops Phoenix Sky Harbor Intl London Heathrow

€746American Airlines

Thu, 26 Nov - Sun, 29 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:05 - 22:33SNN Shannon-SFO San Francisco

17h 28m1 stop New York John F Kennedy Intl

22:35 - 11:10SFO San Francisco-SNN Shannon

28h 35m1 stop New York John F Kennedy Intl

€654Multiple Airlines

Sun, 6 Sep - Fri, 11 Sep

13:05 - 22:33SNN Shannon-SFO San Francisco

17h 28m1 stop New York John F Kennedy Intl

13:15 - 11:10SFO San Francisco-SNN Shannon

13h 55m1 stop New York John F Kennedy Intl

€656Delta

Sat, 5 Sep - Wed, 9 Sep

13:05 - 12:19SNN Shannon-SFO San Francisco

31h 14m1 stop New York John F Kennedy Intl

13:15 - 11:10SFO San Francisco-SNN Shannon

13h 55m1 stop New York John F Kennedy Intl

€658Delta

Fri, 4 Sep - Tue, 8 Sep

13:05 - 22:33SNN Shannon-SFO San Francisco

17h 28m1 stop New York John F Kennedy Intl

17:19 - 11:10SFO San Francisco-SNN Shannon

33h 51m2 stops Salt Lake City New York John F Kennedy Intl

€706Multiple Airlines

Sun, 6 Sep - Fri, 11 Sep

13:05 - 22:33SNN Shannon-SFO San Francisco

17h 28m1 stop New York John F Kennedy Intl

17:19 - 11:10SFO San Francisco-SNN Shannon

33h 51m2 stops Salt Lake City New York John F Kennedy Intl

€708Multiple Airlines

Sat, 5 Sep - Wed, 9 Sep

13:05 - 10:15SNN Shannon-SFO San Francisco

29h 10m1 stop New York John F Kennedy Intl

08:00 - 11:10SFO San Francisco-SNN Shannon

19h 10m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

€710Multiple Airlines

Fri, 4 Sep - Tue, 8 Sep

09:30 - 17:34SNN Shannon-SFO San Francisco

16h 04m2 stops Chicago O'Hare Intl Denver Intl

10:05 - 10:15SFO San Francisco-SNN Shannon

16h 10m2 stops Chicago O'Hare Intl Newark

€759United Airlines

Sat, 5 Sep - Wed, 9 Sep

09:30 - 19:53SNN Shannon-SFO San Francisco

18h 23m2 stops Chicago O'Hare Intl Las Vegas Harry Reid Intl

08:20 - 07:30SFO San Francisco-SNN Shannon

15h 10m2 stops Las Vegas Harry Reid Intl Chicago O'Hare Intl

€761United Airlines

Sun, 6 Sep - Thu, 17 Sep

13:05 - 22:33SNN Shannon-SFO San Francisco

17h 28m1 stop New York John F Kennedy Intl

23:50 - 11:10SFO San Francisco-SNN Shannon

27h 20m1 stop New York John F Kennedy Intl

€761Delta

Sun, 6 Sep - Thu, 17 Sep

13:05 - 10:15SNN Shannon-SFO San Francisco

29h 10m1 stop New York John F Kennedy Intl

06:00 - 11:10SFO San Francisco-SNN Shannon

21h 10m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

€761Multiple Airlines

Sun, 6 Sep - Thu, 17 Sep

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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

8 Oct

SNN12:30Shannon

17h 20m

2 stops

SFO21:50San Francisco

12 Oct

SFO08:45San Francisco

17h 30m

2 stops

SNN10:15Shannon

€757

United Airlines

5 Sept

SNN09:30Shannon

16h 04m

2 stops

SFO17:34San Francisco

9 Sept

SFO10:05San Francisco

16h 10m

2 stops

SNN10:15Shannon

€759

United Airlines

12 Oct

SNN12:30Shannon

28h 41m

2 stops

SFO09:11San Francisco

19 Oct

SFO13:05San Francisco

13h 10m

1 stop

SNN10:15Shannon

€761

Aer Lingus flights from Shannon, Clare to San Francisco

Our best Aer Lingus deals on Shannon, Clare to San Francisco flight tickets

Aer Lingus

23 Sept

SNN21:15Shannon

26h 35m

2 stops

SFO15:50San Francisco

26 Sept

SFO17:40San Francisco

18h 55m

2 stops

SNN20:35Shannon

€713

Aer Lingus

20 Oct

SNN21:15Shannon

26h 40m

2 stops

SFO15:55San Francisco

23 Oct

SFO23:36San Francisco

34h 09m

2 stops

SNN17:45Shannon

€869

Aer Lingus

10 Dec

SNN20:05Shannon

27h 30m

2 stops

SFO15:35San Francisco

19 Dec

SFO06:10San Francisco

21h 20m

2 stops

SNN11:30Shannon

€995

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 23/9

21:15-15:50

2 stops26h 35m

San Francisco

Sat 26/9

17:40-20:35

2 stops18h 55m

€713

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

€720

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

€721

Fastest return journey

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 15/10

12:30-21:22

1 stop16h 52m

San Francisco

Thu 22/10

07:00-10:15

1 stop19h 15m

€726

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 8/10

12:30-21:22

1 stop16h 52m

San Francisco

Mon 12/10

07:00-10:15

1 stop19h 15m

€726

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Wed 14/10

07:30-20:11

2 stops20h 41m

San Francisco

Wed 21/10

10:33-11:20

2 stops16h 47m

€735

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 26/11

14:45-16:27

2 stops33h 42m

San Francisco

Sun 29/11

16:11-11:30

2 stops35h 19m

€745

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 26/11

14:45-12:51

2 stops30h 06m

San Francisco

Sun 29/11

17:25-11:30

1 stop34h 05m

€745

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 26/11

14:00-12:51

2 stops30h 51m

San Francisco

Sun 29/11

20:59-16:45

2 stops35h 46m

€746

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 26/11

14:40-12:14

1 stop29h 34m

San Francisco

Sun 29/11

20:59-16:45

2 stops35h 46m

€746

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 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	€433
Fastest flight time	16h 52m
Direct flights	None

The best one-way flight to San Francisco from Shannon, Clare in the past 72 hours is €433. The best return flight deal from Shannon, Clare to San Francisco found on momondo in the last 72 hours is €713.

The fastest flight from Shannon, Clare to San Francisco takes 16h 52m

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 16h 52m.
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

Walnut Creek

Bodega Bay

Rohnert Park

South San Francisco

San Bruno

Berkeley

Menlo Park

Aptos

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.