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Cheap flights from San Francisco to Shannon from $351

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 9/6. 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 round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:35 am - 10:15 am
SFO
-
SNN
17h 40m
2 stops
United Airlines Logo
9:30 am - 3:30 pm
SNN
-
SFO
14h 00m
1 stop
$758United Airlines
Di, Sep 1 - Mi, Sep 16
United Airlines Logo
5:05 am - 7:30 am
SFO
-
SNN
18h 25m
1 stop
United Airlines Logo
9:30 am - 10:56 pm
SNN
-
SFO
21h 26m
1 stop
$770United Airlines
So, Aug 16 - Do, Aug 20
United Airlines Logo
6:05 am - 7:30 am
SFO
-
SNN
17h 25m
1 stop
United Airlines Logo
9:30 am - 6:24 pm
SNN
-
SFO
16h 54m
1 stop
$771United Airlines
So, Aug 23 - Mi, Aug 26
United Airlines Logo
10:19 am - 10:15 am
SFO
-
SNN
15h 56m
2 stops
United Airlines Logo
9:30 am - 7:12 pm
SNN
-
SFO
17h 42m
1 stop
$775United Airlines
So, Aug 16 - Do, Aug 20
United Airlines Logo
7:05 am - 10:15 am
SFO
-
SNN
19h 10m
2 stops
United Airlines Logo
12:30 pm - 10:56 pm
SNN
-
SFO
18h 26m
2 stops
$784United Airlines
Di, Sep 1 - Di, Sep 15
United Airlines Logo
8:20 am - 7:30 am
SFO
-
SNN
15h 10m
2 stops
United Airlines Logo
9:30 am - 3:30 pm
SNN
-
SFO
14h 00m
1 stop
$820United Airlines
Di, Aug 18 - Sa, Aug 29
United Airlines Logo
7:15 am - 10:15 am
SFO
-
SNN
19h 00m
1 stop
United Airlines Logo
9:30 am - 6:18 pm
SNN
-
SFO
16h 48m
1 stop
$821United Airlines
Mo, Mai 11 - Di, Mai 26
United Airlines Logo
8:15 am - 7:30 am
SFO
-
SNN
15h 15m
2 stops
United Airlines Logo
9:30 am - 7:34 pm
SNN
-
SFO
18h 04m
2 stops
$825United Airlines
Di, Jul 14 - Sa, Sep 5
Delta Logo
7:00 am - 11:10 am
SFO
-
SNN
20h 10m
1 stop
Delta Logo
1:05 pm - 12:44 am
SNN
-
SFO
19h 39m
1 stop
$847Delta
Mo, Mai 25 - Fr, Jun 19
Delta Logo
9:10 am - 11:10 am
SFO
-
SNN
18h 00m
1 stop
Delta Logo
1:05 pm - 12:44 am
SNN
-
SFO
19h 39m
1 stop
$848Delta
Mo, Mai 25 - Fr, Jun 19

British Airways flights from San Francisco to Shannon, Clare

Our best British Airways deals on San Francisco to Shannon, Clare flight tickets
British Airways
Oct 6
SFO7:54 amSan Francisco
19h 26m
2 stops
SNN11:20 amShannon
Oct 11
SNN9:15 pmShannon
26h 35m
2 stops
SFO3:50 pmSan Francisco
$985
British Airways
May 11
SFO7:30 pmSan Francisco
17h 05m
1 stop
SNN8:35 pmShannon
May 18
SNN9:15 pmShannon
24h 35m
1 stop
SFO1:50 pmSan Francisco
$987
British Airways
Jul 15
SFO1:39 pmSan Francisco
18h 31m
2 stops
SNN4:10 pmShannon
Jul 19
SNN9:15 pmShannon
26h 35m
2 stops
SFO3:50 pmSan Francisco
$1,001

Lufthansa flights from San Francisco to Shannon, Clare

Our best Lufthansa deals on San Francisco to Shannon, Clare flight tickets
Lufthansa
Oct 6
SFO7:00 amSan Francisco
19h 15m
1 stop
SNN10:15 amShannon
Oct 10
SNN12:00 pmShannon
20h 34m
2 stops
SFO12:34 amSan Francisco
$939
Lufthansa
Oct 3
SFO10:40 pmSan Francisco
27h 35m
1 stop
SNN10:15 amShannon
Oct 17
SNN12:30 pmShannon
27h 05m
2 stops
SFO7:35 amSan Francisco
$958
Lufthansa
May 5
SFO7:15 amSan Francisco
19h 00m
1 stop
SNN10:15 amShannon
May 12
SNN12:30 pmShannon
17h 06m
1 stop
SFO9:36 pmSan Francisco
$965

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated April 17, 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 round-trip

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Di 9/1

8:35 am-10:15 am

2 stops17h 40m

Shannon

Mi 9/16

9:30 am-3:30 pm

1 stop14h 00m

$758

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

So 8/16

5:05 am-7:30 am

1 stop18h 25m

Shannon

Do 8/20

9:30 am-10:56 pm

1 stop21h 26m

$770

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

So 8/23

6:05 am-7:30 am

1 stop17h 25m

Shannon

Mi 8/26

9:30 am-6:24 pm

1 stop16h 54m

$771

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

So 8/16

10:19 am-10:15 am

2 stops15h 56m

Shannon

Do 8/20

9:30 am-7:12 pm

1 stop17h 42m

$775

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Di 9/1

7:05 am-10:15 am

2 stops19h 10m

Shannon

Di 9/15

12:30 pm-10:56 pm

2 stops18h 26m

$784
Quickest round-trip

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Di 8/18

8:20 am-7:30 am

2 stops15h 10m

Shannon

Sa 8/29

9:30 am-3:30 pm

1 stop14h 00m

$820

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mo 5/11

7:15 am-10:15 am

1 stop19h 00m

Shannon

Di 5/26

9:30 am-6:18 pm

1 stop16h 48m

$821

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Di 7/14

8:15 am-7:30 am

2 stops15h 15m

Shannon

Sa 9/5

9:30 am-7:34 pm

2 stops18h 04m

$825

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mo 5/25

7:00 am-11:10 am

1 stop20h 10m

Shannon

Fr 6/19

1:05 pm-12:44 am

1 stop19h 39m

$847

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mo 5/25

9:10 am-11:10 am

1 stop18h 00m

Shannon

Fr 6/19

1:05 pm-12:44 am

1 stop19h 39m

$848

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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

In general, January is the cheapest month to fly from San Francisco to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $602. If you are unable to visit Shannon, Clare during the month of January, then departing from San Francisco during the month December is also very affordable. Most momondo users find prices during this month for around $627.

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 $768 when searching weeks out. 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 $704 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 round-trip 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

13h 15m

Direct flights

None
The fastest flight from San Francisco to Shannon, Clare takes 13h 15m
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?

    Shannon is 5024.8 mi away from San Francisco. 13h 15m is a normal flight duration for this route.

  • 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 many operators does momondo search for flights from San Francisco Airport to Shannon Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 license 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.

  • What is the most popular airline from San Francisco to Shannon, Clare?

Best airlines flying from San Francisco to Shannon, Clare

Compare and see reviews for airlines that fly from San Francisco to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $468Free CancellationRating
7.1
11,600 reviews
Search American Airlines flights
United AirlinesPriceFrom $591Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights
British AirwaysPriceFrom $593Free CancellationRating
6.7
7,892 reviews
Search British Airways flights
DeltaPriceFrom $664Free CancellationRating
7.9
8,422 reviews
Search Delta flights

Traveling to a place near Shannon?

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

Why use momondo?

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

It is quick and easy to find San Francisco to Shannon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Shannon that suits you.

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

All flight searches from San Francisco to Shannon on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for San Francisco to Shannon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from San Francisco to Shannon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Shannon and let you know when they change.

An easier way to manage your Shannon, Clare trip

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