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Cheap flights from San Diego to Shannon from $400

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 Diego to Shannon departing on 5/22. 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 Diego to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:00 am - 10:15 am
SAN
-
SNN
15h 15m
2 stops
United Airlines Logo
12:30 pm - 9:01 pm
SNN
-
SAN
16h 31m
1 stop
$493United Airlines
Wed, Apr 22 - Wed, Apr 29
United Airlines Logo
6:20 am - 10:15 am
SAN
-
SNN
19h 55m
2 stops
United Airlines Logo
12:30 pm - 11:59 pm
SNN
-
SAN
19h 29m
2 stops
$605United Airlines
Thu, Apr 23 - Thu, Apr 30
United Airlines Logo
6:20 am - 10:15 am
SAN
-
SNN
19h 55m
2 stops
United Airlines Logo
12:30 pm - 9:01 pm
SNN
-
SAN
16h 31m
1 stop
$655United Airlines
Thu, Apr 23 - Mon, Apr 27
United Airlines Logo
6:20 am - 10:15 am
SAN
-
SNN
19h 55m
2 stops
United Airlines Logo
12:30 pm - 7:55 pm
SNN
-
SAN
15h 25m
1 stop
$663United Airlines
Thu, Apr 23 - Fri, May 1
British Airways Logo
8:00 am - 4:45 pm
SAN
-
SNN
24h 45m
2 stops
British Airways Logo
7:50 am - 4:05 pm
SNN
-
SAN
16h 15m
1 stop
$678British Airways
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
1:10 pm - 11:20 am
SAN
-
SNN
38h 10m
2 stops
Multiple Airlines Logo
12:00 pm - 8:43 pm
SNN
-
SAN
40h 43m
2 stops
$686Multiple Airlines
Fri, Apr 24 - Sat, May 2
British Airways Logo
7:10 am - 11:30 am
SAN
-
SNN
20h 20m
2 stops
British Airways Logo
7:50 am - 8:43 pm
SNN
-
SAN
20h 53m
2 stops
$688British Airways
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
8:00 am - 11:30 am
SAN
-
SNN
19h 30m
2 stops
Multiple Airlines Logo
2:00 pm - 12:52 pm
SNN
-
SAN
29h 52m
1 stop
$689Multiple Airlines
Thu, Mar 5 - Tue, Mar 24
Multiple Airlines Logo
9:10 pm - 5:55 am
SAN
-
SNN
24h 45m
1 stop
Multiple Airlines Logo
2:45 pm - 1:08 pm
SNN
-
SAN
29h 23m
1 stop
$698Multiple Airlines
Thu, Mar 5 - Tue, Mar 24
United Airlines Logo
10:44 am - 7:30 am
SAN
-
SNN
12h 46m
1 stop
United Airlines Logo
9:30 am - 3:30 pm
SNN
-
SAN
14h 00m
1 stop
$704United Airlines
Thu, Jul 30 - Thu, Aug 13

British Airways flights from San Diego to Shannon, Clare

Our best British Airways deals on San Diego to Shannon, Clare flight tickets
British Airways
Mar 4
SAN8:00 amSan Diego
24h 45m
2 stops
SNN4:45 pmShannon
Mar 8
SNN7:50 amShannon
16h 15m
1 stop
SAN4:05 pmSan Diego
$678
British Airways
Mar 4
SAN9:00 amSan Diego
18h 30m
2 stops
SNN11:30 amShannon
Mar 8
SNN7:50 amShannon
20h 53m
2 stops
SAN8:43 pmSan Diego
$688
British Airways
Apr 25
SAN3:12 pmSan Diego
16h 53m
2 stops
SNN4:05 pmShannon
May 1
SNN9:15 pmShannon
25h 40m
1 stop
SAN2:55 pmSan Diego
$774

United Airlines flights from San Diego to Shannon, Clare

Our best United Airlines deals on San Diego to Shannon, Clare flight tickets
United Airlines
Apr 22
SAN8:45 amSan Diego
17h 30m
2 stops
SNN10:15 amShannon
Apr 29
SNN12:30 pmShannon
18h 00m
2 stops
SAN10:30 pmSan Diego
$493
United Airlines
Apr 23
SAN6:20 amSan Diego
19h 55m
2 stops
SNN10:15 amShannon
Apr 30
SNN12:30 pmShannon
19h 29m
2 stops
SAN11:59 pmSan Diego
$605
United Airlines
Apr 23
SAN6:20 amSan Diego
19h 55m
2 stops
SNN10:15 amShannon
Apr 27
SNN12:30 pmShannon
19h 29m
2 stops
SAN11:59 pmSan Diego
$655

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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 February 12, 2026.
Use the filters below to find and compare flights from San Diego to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Wed 4/22

11:00 am-10:15 am

2 stops15h 15m

Shannon

Wed 4/29

12:30 pm-9:01 pm

1 stop16h 31m

$493

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Thu 4/23

6:20 am-10:15 am

2 stops19h 55m

Shannon

Thu 4/30

12:30 pm-11:59 pm

2 stops19h 29m

$605

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Thu 4/23

6:20 am-10:15 am

2 stops19h 55m

Shannon

Mon 4/27

12:30 pm-9:01 pm

1 stop16h 31m

$655

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Thu 4/23

6:20 am-10:15 am

2 stops19h 55m

Shannon

Fri 5/1

12:30 pm-7:55 pm

1 stop15h 25m

$663

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Wed 3/4

8:00 am-4:45 pm

2 stops24h 45m

Shannon

Sun 3/8

7:50 am-4:05 pm

1 stop16h 15m

$678

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Fri 4/24

1:10 pm-11:20 am

2 stops38h 10m

Shannon

Sat 5/2

12:00 pm-8:43 pm

2 stops40h 43m

$686

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Wed 3/4

7:10 am-11:30 am

2 stops20h 20m

Shannon

Sun 3/8

7:50 am-8:43 pm

2 stops20h 53m

$688

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Thu 3/5

8:00 am-11:30 am

2 stops19h 30m

Shannon

Tue 3/24

2:00 pm-12:52 pm

1 stop29h 52m

$689

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Thu 3/5

9:10 pm-5:55 am

1 stop24h 45m

Shannon

Tue 3/24

2:45 pm-1:08 pm

1 stop29h 23m

$698

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Thu 7/30

10:44 am-7:30 am

1 stop12h 46m

Shannon

Thu 8/13

9:30 am-3:30 pm

1 stop14h 00m

$704

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Diego 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

Can stopping save me money on San Diego to Shannon, Clare flights?

You could potentially save up to 8% on your flight if you consider stops on a San Diego to Shannon, Clare flight.

When to book flights from San Diego to Shannon, Clare

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

Cheap San Diego to Shannon, Clare (SAN to SNN) flight deals and tips

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

Fastest flight time

15h 15m

Direct flights

None
The fastest flight from San Diego to Shannon, Clare takes 15h 15m
There are no direct flights from San Diego to Shannon, Clare. There are no popular flight routes from San Diego to Shannon, Clare.
Search flight deals

  • How far is San Diego to Shannon by plane?

    A flight from San Diego to Shannon will travel around 5132.8 mi. Flights usually cover this in 15h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Diego Airport to Shannon Airport refresh daily.

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

  • How old do you have to be to fly from San Diego 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 Diego 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 Diego to Shannon, Clare?

Best airlines flying from San Diego to Shannon, Clare

Compare and see reviews for airlines that fly from San Diego to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $518Free CancellationRating
7.2
11,267 reviews
Search American Airlines flights
United AirlinesPriceFrom $640Free CancellationRating
7.4
9,276 reviews
Search United Airlines flights

Traveling to a place near Shannon?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Shannon from San Diego.

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

Yes. momondo enables you to select and highlight flights to Shannon from San Diego with this policy.

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

momondo helps you find the best flight between San Diego 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 Diego to Shannon right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Diego 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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