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.

€456 Cheap Flights from Shannon, Clare to San Francisco in 2026

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.

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

29h 10m1 stop New York John F Kennedy Intl

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

27h 20m1 stop New York John F Kennedy Intl

€628KLM

Sun, 6 Sep - Fri, 18 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

€628KLM

Thu, 3 Sep - Mon, 7 Sep

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

17h 28m1 stop New York John F Kennedy Intl

07:00 - 11:10SFO San Francisco-SNN Shannon

20h 10m1 stop New York John F Kennedy Intl

€628Delta

Sun, 6 Sep - Wed, 16 Sep

13:05 - 10:17SNN Shannon-SFO San Francisco

29h 12m1 stop New York John F Kennedy Intl

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

15h 35m1 stop New York John F Kennedy Intl

€628Delta

Tue, 8 Sep - Fri, 18 Sep

13:05 - 18:17SNN Shannon-SFO San Francisco

37h 12m1 stop New York John F Kennedy Intl

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

15h 35m1 stop New York John F Kennedy Intl

€628Multiple Airlines

Tue, 8 Sep - Wed, 16 Sep

13:05 - 18:17SNN Shannon-SFO San Francisco

37h 12m1 stop New York John F Kennedy Intl

09:00 - 11:10SFO San Francisco-SNN Shannon

18h 10m1 stop New York John F Kennedy Intl

€631KLM

Thu, 10 Sep - Sat, 19 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

€634Delta

Sat, 5 Sep - Wed, 9 Sep

14:30 - 09:20SNN Shannon-SFO San Francisco

26h 50m1 stop New York John F Kennedy Intl

11:45 - 05:25SFO San Francisco-SNN Shannon

33h 40m1 stop Boston Logan Intl

€646Multiple Airlines

Mon, 5 Oct - Sun, 11 Oct

13:05 - 15:50SNN Shannon-SFO San Francisco

34h 45m2 stops New York John F Kennedy Intl Los Angeles Los Angeles

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

15h 35m1 stop New York John F Kennedy Intl

€690Air France

Sun, 6 Sep - Fri, 18 Sep

13:05 - 16:13SNN Shannon-SFO San Francisco

35h 08m2 stops New York John F Kennedy Intl Salt Lake City

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

27h 20m1 stop New York John F Kennedy Intl

€690KLM

Thu, 3 Sep - Mon, 7 Sep

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American Airlines flights from Shannon, Clare to San Francisco

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

American Airlines

17 Oct

SNN14:30Shannon

18h 42m

1 stop

SFO01:12San Francisco

24 Oct

SFO07:21San Francisco

15h 39m

1 stop

SNN07:00Shannon

€792

American Airlines

17 Oct

SNN14:30Shannon

18h 42m

1 stop

SFO01:12San Francisco

24 Oct

SFO05:00San Francisco

17h 25m

2 stops

SNN06:25Shannon

€796

American Airlines

26 Nov

SNN14:00Shannon

18h 47m

1 stop

SFO00:47San Francisco

29 Nov

SFO17:25San Francisco

34h 05m

1 stop

SNN11:30Shannon

€800

United Airlines flights from Shannon, Clare to San Francisco

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

United Airlines

6 Sept

SNN09:30Shannon

16h 04m

2 stops

SFO17:34San Francisco

19 Sept

SFO08:45San Francisco

14h 45m

2 stops

SNN07:30Shannon

€751

United Airlines

5 Oct

SNN12:30Shannon

18h 21m

2 stops

SFO22:51San Francisco

12 Oct

SFO07:00San Francisco

19h 15m

1 stop

SNN10:15Shannon

€758

United Airlines

1 Oct

SNN12:30Shannon

15h 29m

1 stop

SFO19:59San Francisco

8 Oct

SFO07:00San Francisco

19h 15m

1 stop

SNN10:15Shannon

€904

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 6/9

13:05-10:15

1 stop29h 10m

San Francisco

Fri 18/9

23:50-11:10

1 stop27h 20m

€628

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 3/9

13:05-22:33

1 stop17h 28m

San Francisco

Mon 7/9

23:50-11:10

1 stop27h 20m

€628

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Sun 6/9

13:05-22:33

1 stop17h 28m

San Francisco

Wed 16/9

07:00-11:10

1 stop20h 10m

€628

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Tue 8/9

13:05-10:17

1 stop29h 12m

San Francisco

Fri 18/9

11:35-11:10

1 stop15h 35m

€628

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Tue 8/9

13:05-18:17

1 stop37h 12m

San Francisco

Wed 16/9

11:35-11:10

1 stop15h 35m

€628

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 10/9

13:05-18:17

1 stop37h 12m

San Francisco

Sat 19/9

09:00-11:10

1 stop18h 10m

€631

Fastest return journey

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Sat 5/9

13:05-22:33

1 stop17h 28m

San Francisco

Wed 9/9

13:15-11:10

1 stop13h 55m

€634

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Mon 5/10

14:30-09:20

1 stop26h 50m

San Francisco

Sun 11/10

11:45-05:25

1 stop33h 40m

€646

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Sun 6/9

13:05-15:50

2 stops34h 45m

San Francisco

Fri 18/9

11:35-11:10

1 stop15h 35m

€690

ShannonSan Francisco

SNN Shannon - SFO San Francisco

SNNSFO

Shannon

Thu 3/9

13:05-16:13

2 stops35h 08m

San Francisco

Mon 7/9

23:50-11:10

1 stop27h 20m

€690

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 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	€456
Fastest flight time	15h 05m
Direct flights	None

The best one-way flight to San Francisco from Shannon, Clare in the past 72 hours is €456. The best return flight deal from Shannon, Clare to San Francisco found on momondo in the last 72 hours is €628.

The fastest flight from Shannon, Clare to San Francisco takes 15h 05m

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 15h 05m.
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

Alameda

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.