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Cheap flights from San Francisco to Shannon from €315

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Shannon departing on 24/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Francisco to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
22:35 - 11:10SFO  San Francisco-SNN Shannon
28h 35m1 stop New York John F Kennedy Intl
KLM Logo
13:05 - 10:17SNN  Shannon-SFO San Francisco
29h 12m1 stop New York John F Kennedy Intl
€692KLM
Sat, 5 Sep - Fri, 18 Sep
KLM Logo
22:35 - 11:10SFO  San Francisco-SNN Shannon
28h 35m1 stop New York John F Kennedy Intl
KLM Logo
13:05 - 16:24SNN  Shannon-SFO San Francisco
35h 19m2 stops New York John F Kennedy Intl Salt Lake City
€693KLM
Sat, 5 Sep - Fri, 18 Sep
United Airlines Logo
23:59 - 10:15SFO  San Francisco-SNN Shannon
26h 16m1 stop Newark
United Airlines Logo
09:30 - 15:35SNN  Shannon-SFO San Francisco
14h 05m1 stop Chicago O'Hare Intl
€696United Airlines
Sat, 5 Sep - Fri, 18 Sep
United Airlines Logo
21:13 - 07:30SFO  San Francisco-SNN Shannon
26h 17m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
09:30 - 15:35SNN  Shannon-SFO San Francisco
14h 05m1 stop Chicago O'Hare Intl
€696United Airlines
Sat, 5 Sep - Fri, 18 Sep
United Airlines Logo
00:35 - 07:30SFO  San Francisco-SNN Shannon
22h 55m1 stop Chicago O'Hare Intl
United Airlines Logo
09:30 - 15:35SNN  Shannon-SFO San Francisco
14h 05m1 stop Chicago O'Hare Intl
€703United Airlines
Mon, 7 Sep - Fri, 18 Sep
United Airlines Logo
07:05 - 10:15SFO  San Francisco-SNN Shannon
19h 10m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
12:30 - 19:14SNN  Shannon-SFO San Francisco
14h 44m1 stop Newark
€707United Airlines
Tue, 8 Sep - Fri, 18 Sep
Delta Logo
22:35 - 11:10SFO  San Francisco-SNN Shannon
28h 35m1 stop New York John F Kennedy Intl
Delta Logo
13:05 - 22:27SNN  Shannon-SFO San Francisco
17h 22m1 stop New York John F Kennedy Intl
€711Delta
Sat, 5 Sep - Fri, 18 Sep
United Airlines Logo
11:20 - 10:15SFO  San Francisco-SNN Shannon
14h 55m1 stop Newark
United Airlines Logo
12:30 - 19:59SNN  Shannon-SFO San Francisco
15h 29m1 stop Newark
€718United Airlines
Tue, 22 Sep - Tue, 6 Oct
United Airlines Logo
08:21 - 07:30SFO  San Francisco-SNN Shannon
15h 09m2 stops Las Vegas Harry Reid Intl Chicago O'Hare Intl
United Airlines Logo
12:30 - 22:52SNN  Shannon-SFO San Francisco
18h 22m2 stops Newark Los Angeles Los Angeles
€722United Airlines
Tue, 22 Sep - Tue, 6 Oct
United Airlines Logo
08:25 - 07:30SFO  San Francisco-SNN Shannon
15h 05m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
12:30 - 21:41SNN  Shannon-SFO San Francisco
17h 11m2 stops Newark Phoenix Sky Harbor Intl
€739United Airlines
Sat, 5 Sep - Fri, 18 Sep

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United Airlines flights from San Francisco to Shannon, Clare

Our best United Airlines deals on San Francisco to Shannon, Clare flight tickets
United Airlines
5 Sept
SFO23:59San Francisco
26h 16m
1 stop
SNN10:15Shannon
18 Sept
SNN09:30Shannon
14h 05m
1 stop
SFO15:35San Francisco
€696
United Airlines
5 Sept
SFO21:13San Francisco
26h 17m
2 stops
SNN07:30Shannon
18 Sept
SNN09:30Shannon
14h 05m
1 stop
SFO15:35San Francisco
€696
United Airlines
7 Sept
SFO00:35San Francisco
22h 55m
1 stop
SNN07:30Shannon
18 Sept
SNN09:30Shannon
14h 05m
1 stop
SFO15:35San Francisco
€703

KLM flights from San Francisco to Shannon, Clare

Our best KLM deals on San Francisco to Shannon, Clare flight tickets
KLM
5 Sept
SFO22:35San Francisco
28h 35m
1 stop
SNN11:10Shannon
18 Sept
SNN13:05Shannon
29h 12m
1 stop
SFO10:17San Francisco
€692
KLM
5 Sept
SFO22:35San Francisco
28h 35m
1 stop
SNN11:10Shannon
18 Sept
SNN13:05Shannon
35h 19m
2 stops
SFO16:24San Francisco
€693

momondo Fare Finder

 
Customise your flight search to find flights from San Francisco to Shannon, Clare that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 10 August 2026.
Use the filters below to find and compare flights from San Francisco to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Sat 5/9

22:35-11:10

1 stop28h 35m

Shannon

Fri 18/9

13:05-10:17

1 stop29h 12m

€692

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Sat 5/9

22:35-11:10

1 stop28h 35m

Shannon

Fri 18/9

13:05-16:24

2 stops35h 19m

€693

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Sat 5/9

23:59-10:15

1 stop26h 16m

Shannon

Fri 18/9

09:30-15:35

1 stop14h 05m

€696

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Sat 5/9

21:13-07:30

2 stops26h 17m

Shannon

Fri 18/9

09:30-15:35

1 stop14h 05m

€696

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Mon 7/9

00:35-07:30

1 stop22h 55m

Shannon

Fri 18/9

09:30-15:35

1 stop14h 05m

€703

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Tue 8/9

07:05-10:15

2 stops19h 10m

Shannon

Fri 18/9

12:30-19:14

1 stop14h 44m

€707

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Sat 5/9

22:35-11:10

1 stop28h 35m

Shannon

Fri 18/9

13:05-22:27

1 stop17h 22m

€711
Fastest return journey

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Tue 22/9

11:20-10:15

1 stop14h 55m

Shannon

Tue 6/10

12:30-19:59

1 stop15h 29m

€718

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Tue 22/9

08:21-07:30

2 stops15h 09m

Shannon

Tue 6/10

12:30-22:52

2 stops18h 22m

€722

San FranciscoShannon

SFO San Francisco - SNN Shannon

SFOSNN

San Francisco

Sat 5/9

08:25-07:30

2 stops15h 05m

Shannon

Fri 18/9

12:30-21:41

2 stops17h 11m

€739

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Shannon from

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

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 typical price of a round-trip flight between San Francisco and Shannon, Clare?

Prices are currently low for flights on this route.

Typical prices usually range from €785 to €1,118.
The lowest price recently found on this route was €692.

What is the cheapest month to fly to Shannon, Clare?

The month of January is another great option to travel to Shannon, Clare, with average flight prices from San Francisco averaging around €576.

When to book flights from San Francisco to Shannon, Clare

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

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

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

Fastest flight time

14h 45m

Direct flights

None
The fastest flight from San Francisco to Shannon, Clare takes 14h 45m
There are no direct flights from San Francisco to Shannon, Clare. There are no popular flight routes from San Francisco to Shannon, Clare.
Search flight deals

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

  • How far is San Francisco to Shannon by plane?

    San Francisco and Shannon are 8086.7 km apart from one another. In terms of flight time, this usually takes a little over 14h 45m.

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

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

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

  • What documentation or ID do you need to fly to Shannon Airport?

    The travel and health documents you'll need for your trip to Shannon Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Tipperary
Killaloe
Lahinch
Nenagh
Adare
Bunratty

Why use momondo?

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

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

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

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

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

momondo helps you find the best flight between San Francisco and Shannon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Shannon from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Shannon, Clare trip

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