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Cheap flights from San Francisco to Shannon from €249

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 25/11. 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
0 bags
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Find the cheapest flights from San Francisco to Shannon

Cheap return flights

American Airlines Logo
12:16 - 11:30SFO-SNN
16h 14m2 stops
American Airlines Logo
07:50 - 15:00SNN-SFO
15h 10m1 stop
€441American Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
American Airlines Logo
10:16 - 11:30SFO-SNN
18h 14m2 stops
American Airlines Logo
07:50 - 20:28SNN-SFO
20h 38m2 stops
€450American Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
American Airlines Logo
18:30 - 16:45SFO-SNN
15h 15m1 stop
American Airlines Logo
07:50 - 18:45SNN-SFO
18h 55m1 stop
€479American Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
American Airlines Logo
17:30 - 16:45SFO-SNN
15h 15m1 stop
American Airlines Logo
07:50 - 18:45SNN-SFO
18h 55m1 stop
€480American Airlines
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Thu, 8 Jan - Thu, 22 Jan
American Airlines Logo
09:29 - 11:30SFO-SNN
18h 01m2 stops
American Airlines Logo
07:50 - 15:00SNN-SFO
15h 10m1 stop
€483American Airlines
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Thu, 8 Jan - Thu, 22 Jan
United Airlines Logo
09:00 - 10:15SFO-SNN
17h 15m2 stops
United Airlines Logo
12:30 - 22:56SNN-SFO
18h 26m2 stops
€519United Airlines
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Tue, 14 Oct - Mon, 20 Oct
United Airlines Logo
10:55 - 10:15SFO-SNN
15h 20m2 stops
United Airlines Logo
12:30 - 21:48SNN-SFO
17h 18m2 stops
€565United Airlines
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Thu, 2 Oct - Thu, 9 Oct
British Airways Logo
16:30 - 16:10SFO-SNN
15h 40m1 stop
British Airways Logo
21:15 - 13:50SNN-SFO
24h 35m1 stop
€664British Airways
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Tue, 14 Oct - Mon, 20 Oct
Logo
00:43 - 10:15SFO-SNN
25h 32m2 stops
Logo
20:05 - 10:39SNN-SFO
45h 34m2 stops
€711
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Wed, 22 Oct - Wed, 29 Oct
Logo
19:40 - 20:35SFO-SNN
16h 55m2 stops
Logo
20:05 - 19:25SNN-SFO
30h 20m3 stops
€752
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Thu, 23 Oct - Wed, 29 Oct

United Airlines flights from San Francisco to Shannon, Clare

Our best United Airlines deals on San Francisco to Shannon, Clare flight tickets
United Airlines
14 Oct
SFO13:00San Francisco
13h 15m
1 stop
SNN10:15Shannon
20 Oct
SNN12:30Shannon
19h 29m
2 stops
SFO23:59San Francisco
€519
Find similar
United Airlines
2 Oct
SFO10:55San Francisco
15h 20m
2 stops
SNN10:15Shannon
9 Oct
SNN12:30Shannon
17h 18m
2 stops
SFO21:48San Francisco
€565
Find similar
United Airlines
1 Oct
SFO06:30San Francisco
19h 45m
2 stops
SNN10:15Shannon
11 Oct
SNN12:30Shannon
20h 25m
2 stops
SFO00:55San Francisco
€595
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American Airlines flights from San Francisco to Shannon, Clare

Our best American Airlines deals on San Francisco to Shannon, Clare flight tickets
American Airlines
29 Oct
SFO12:16San Francisco
16h 14m
2 stops
SNN11:30Shannon
5 Nov
SNN07:50Shannon
15h 10m
1 stop
SFO15:00San Francisco
€441
Find similar
American Airlines
29 Oct
SFO10:16San Francisco
18h 14m
2 stops
SNN11:30Shannon
5 Nov
SNN07:50Shannon
20h 38m
2 stops
SFO20:28San Francisco
€450
Find similar
American Airlines
29 Oct
SFO18:30San Francisco
15h 15m
1 stop
SNN16:45Shannon
5 Nov
SNN07:50Shannon
18h 55m
1 stop
SFO18:45San Francisco
€479
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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 16 September 2025.
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

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 29/10

12:16-11:30

2 stops16h 14m

Shannon

Wed 5/11

07:50-15:00

1 stop15h 10m

€441

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 29/10

10:16-11:30

2 stops18h 14m

Shannon

Wed 5/11

07:50-20:28

2 stops20h 38m

€450

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 29/10

18:30-16:45

1 stop15h 15m

Shannon

Wed 5/11

07:50-18:45

1 stop18h 55m

€479

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 8/1

17:30-16:45

1 stop15h 15m

Shannon

Thu 22/1

07:50-18:45

1 stop18h 55m

€480

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 8/1

09:29-11:30

2 stops18h 01m

Shannon

Thu 22/1

07:50-15:00

1 stop15h 10m

€483

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 14/10

09:00-10:15

2 stops17h 15m

Shannon

Mon 20/10

12:30-22:56

2 stops18h 26m

€519

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 2/10

10:55-10:15

2 stops15h 20m

Shannon

Thu 9/10

12:30-21:48

2 stops17h 18m

€565

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 14/10

16:30-16:10

1 stop15h 40m

Shannon

Mon 20/10

21:15-13:50

1 stop24h 35m

€664

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 22/10

00:43-10:15

2 stops25h 32m

Shannon

Wed 29/10

20:05-10:39

2 stops45h 34m

€711

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 23/10

19:40-20:35

2 stops16h 55m

Shannon

Wed 29/10

20:05-19:25

3 stops30h 20m

€752

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 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 €619.

How far in advance should I book a flight to Shannon, Clare?

You are more likely to see cheaper flights to Shannon, Clare from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Shannon, Clare for around €761 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shannon, Clare from San Francisco for as low as €653 on momondo.

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

Direct flights

None
There are no direct flights from San Francisco to Shannon, Clare. There are no popular flight routes from San Francisco to Shannon, Clare.
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  • How far is San Francisco to Shannon by plane?

    San Francisco and Shannon are 8086.3 km apart from one another. In terms of flight time, this usually takes a little over 13h 15m.

  • 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
Nenagh
Tipperary
Killaloe
Adare
Lahinch

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.

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