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Cheap flights from San Francisco to Shannon from €221

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 19/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from San Francisco to Shannon (SFO-SNN)

Cheap return flights

American Airlines Logo
16:30 - 16:10SFO-SNN
15h 40m1 stop
American Airlines Logo
21:15 - 13:50SNN-SFO
24h 35m1 stop
€536American Airlines
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Wed, 8 Oct - Wed, 15 Oct
United Airlines Logo
13:00 - 10:15SFO-SNN
13h 15m1 stop
United Airlines Logo
12:30 - 19:05SNN-SFO
14h 35m1 stop
€539United Airlines
Find Deal
Tue, 7 Oct - Sat, 18 Oct
American Airlines Logo
09:16 - 11:20SFO-SNN
18h 04m2 stops
American Airlines Logo
21:15 - 13:50SNN-SFO
24h 35m1 stop
€540American Airlines
Find Deal
Wed, 8 Oct - Wed, 15 Oct
United Airlines Logo
08:25 - 10:15SFO-SNN
17h 50m2 stops
United Airlines Logo
12:30 - 19:00SNN-SFO
14h 30m1 stop
€542United Airlines
Find Deal
Tue, 7 Oct - Wed, 15 Oct
Air Canada Logo
23:45 - 20:35SFO-SNN
36h 50m2 stops
Air Canada Logo
21:15 - 09:27SNN-SFO
44h 12m2 stops
€707Air Canada
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Mon, 6 Oct - Mon, 13 Oct
British Airways Logo
16:30 - 16:10SFO-SNN
15h 40m1 stop
British Airways Logo
07:40 - 13:50SNN-SFO
14h 10m1 stop
€709British Airways
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Wed, 8 Oct - Thu, 16 Oct
Air Canada Logo
23:45 - 11:20SFO-SNN
27h 35m2 stops
Air Canada Logo
17:30 - 10:33SNN-SFO
49h 03m2 stops
€713Air Canada
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Sat, 11 Oct - Sat, 18 Oct
British Airways Logo
16:30 - 16:10SFO-SNN
15h 40m1 stop
British Airways Logo
21:15 - 13:50SNN-SFO
24h 35m1 stop
€719British Airways
Find Deal
Wed, 8 Oct - Sun, 12 Oct
Logo
06:15 - 05:55SFO-SNN
15h 40m1 stop
Logo
14:35 - 23:42SNN-SFO
17h 07m1 stop
€757
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Sat, 20 Sep - Sat, 27 Sep
Logo
16:30 - 16:35SFO-SNN
16h 05m1 stop
Logo
21:50 - 20:28SNN-SFO
30h 38m2 stops
€762
Find Deal
Mon, 6 Oct - Thu, 16 Oct

American Airlines flights from San Francisco to Shannon, Clare

Our best American Airlines deals on San Francisco to Shannon, Clare flight tickets
American Airlines
8 Oct
SFO16:30San Francisco
15h 40m
1 stop
SNN16:10Shannon
16 Oct
SNN21:15Shannon
24h 35m
1 stop
SFO13:50San Francisco
€536
Find similar
American Airlines
8 Oct
SFO09:16San Francisco
18h 04m
2 stops
SNN11:20Shannon
15 Oct
SNN21:15Shannon
24h 35m
1 stop
SFO13:50San Francisco
€540
Find similar
American Airlines
8 Oct
SFO16:30San Francisco
20h 05m
1 stop
SNN20:35Shannon
17 Oct
SNN07:40Shannon
22h 50m
2 stops
SFO22:30San Francisco
€545
Find similar

United Airlines flights from San Francisco to Shannon, Clare

Our best United Airlines deals on San Francisco to Shannon, Clare flight tickets
United Airlines
7 Oct
SFO13:00San Francisco
13h 15m
1 stop
SNN10:15Shannon
18 Oct
SNN12:30Shannon
14h 35m
1 stop
SFO19:05San Francisco
€539
Find similar
United Airlines
7 Oct
SFO08:25San Francisco
17h 50m
2 stops
SNN10:15Shannon
15 Oct
SNN12:30Shannon
14h 30m
1 stop
SFO19:00San Francisco
€542
Find similar
United Airlines
31 Aug
SFO22:53San Francisco
24h 37m
2 stops
SNN07:30Shannon
30 Apr
SNN12:30Shannon
18h 30m
2 stops
SFO23:00San Francisco
€554
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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 26 August 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 8/10

16:30-16:10

1 stop15h 40m

Shannon

Wed 15/10

21:15-13:50

1 stop24h 35m

€536

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 7/10

13:00-10:15

1 stop13h 15m

Shannon

Sat 18/10

12:30-19:05

1 stop14h 35m

€539

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 8/10

09:16-11:20

2 stops18h 04m

Shannon

Wed 15/10

21:15-13:50

1 stop24h 35m

€540

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 7/10

08:25-10:15

2 stops17h 50m

Shannon

Wed 15/10

12:30-19:00

1 stop14h 30m

€542

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 6/10

23:45-20:35

2 stops36h 50m

Shannon

Mon 13/10

21:15-09:27

2 stops44h 12m

€707

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 8/10

16:30-16:10

1 stop15h 40m

Shannon

Thu 16/10

07:40-13:50

1 stop14h 10m

€709

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 11/10

23:45-11:20

2 stops27h 35m

Shannon

Sat 18/10

17:30-10:33

2 stops49h 03m

€713

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 8/10

16:30-16:10

1 stop15h 40m

Shannon

Sun 12/10

21:15-13:50

1 stop24h 35m

€719

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 20/9

06:15-05:55

1 stop15h 40m

Shannon

Sat 27/9

14:35-23:42

1 stop17h 07m

€757

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 6/10

16:30-16:35

1 stop16h 05m

Shannon

Thu 16/10

21:50-20:28

2 stops30h 38m

€762

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 €626.

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 €770 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 €657 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 12h 55m.

  • 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
Nenagh
Adare
Killaloe
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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