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Cheap flights from San Diego to Shannon from $372

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 9/23. 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
6:18 am - 7:30 am
SAN
-
SNN
17h 12m
1 stop
United Airlines Logo
9:30 am - 6:30 pm
SNN
-
SAN
17h 00m
1 stop
$795United Airlines
Mon, Sep 7 - Thu, Sep 10
United Airlines Logo
6:20 am - 7:30 am
SAN
-
SNN
17h 10m
2 stops
United Airlines Logo
9:30 am - 6:35 pm
SNN
-
SAN
17h 05m
2 stops
$800United Airlines
Mon, Sep 7 - Thu, Sep 10
United Airlines Logo
6:40 am - 7:30 am
SAN
-
SNN
16h 50m
1 stop
United Airlines Logo
9:30 am - 10:34 pm
SNN
-
SAN
21h 04m
1 stop
$847United Airlines
Wed, Jul 22 - Tue, Aug 4
United Airlines Logo
6:20 am - 7:30 am
SAN
-
SNN
17h 10m
3 stops
United Airlines Logo
9:30 am - 10:34 pm
SNN
-
SAN
21h 04m
1 stop
$852United Airlines
Wed, Jul 22 - Tue, Aug 4
United Airlines Logo
6:40 am - 7:30 am
SAN
-
SNN
16h 50m
1 stop
United Airlines Logo
9:30 am - 8:46 pm
SNN
-
SAN
43h 16m
2 stops
$864United Airlines
Wed, Jul 22 - Tue, Aug 4
United Airlines Logo
6:18 am - 7:30 am
SAN
-
SNN
17h 12m
1 stop
United Airlines Logo
9:30 am - 3:02 pm
SNN
-
SAN
13h 32m
1 stop
$874United Airlines
Sun, Aug 23 - Sat, Aug 29
United Airlines Logo
6:20 am - 7:30 am
SAN
-
SNN
17h 10m
2 stops
United Airlines Logo
9:30 am - 8:45 pm
SNN
-
SAN
19h 15m
2 stops
$879United Airlines
Sun, Aug 23 - Sat, Aug 29
United Airlines Logo
10:35 am - 7:30 am
SAN
-
SNN
12h 55m
1 stop
United Airlines Logo
12:30 pm - 11:40 pm
SNN
-
SAN
19h 10m
1 stop
$912United Airlines
Mon, Jul 6 - Thu, Jul 16
United Airlines Logo
6:40 am - 7:30 am
SAN
-
SNN
16h 50m
1 stop
United Airlines Logo
9:30 am - 6:32 pm
SNN
-
SAN
17h 02m
1 stop
$913United Airlines
Mon, Jul 6 - Thu, Jul 16
United Airlines Logo
6:40 am - 7:30 am
SAN
-
SNN
16h 50m
1 stop
United Airlines Logo
12:30 pm - 11:54 pm
SNN
-
SAN
19h 24m
2 stops
$917United Airlines
Mon, Jul 6 - Thu, Jul 16

United Airlines flights from San Diego to Shannon, Clare

Our best United Airlines deals on San Diego to Shannon, Clare flight tickets
United Airlines
Sep 7
SAN6:18 amSan Diego
17h 12m
1 stop
SNN7:30 amShannon
Sep 10
SNN9:30 amShannon
17h 00m
1 stop
SAN6:30 pmSan Diego
$795
United Airlines
Sep 7
SAN6:20 amSan Diego
17h 10m
2 stops
SNN7:30 amShannon
Sep 10
SNN9:30 amShannon
17h 05m
2 stops
SAN6:35 pmSan Diego
$800
United Airlines
Jul 22
SAN6:40 amSan Diego
16h 50m
1 stop
SNN7:30 amShannon
Aug 4
SNN9:30 amShannon
21h 04m
1 stop
SAN10:34 pmSan Diego
$847

British Airways flights from San Diego to Shannon, Clare

Our best British Airways deals on San Diego to Shannon, Clare flight tickets
British Airways
Nov 2
SAN6:00 pmSan Diego
17h 25m
1 stop
SNN7:25 pmShannon
Nov 9
SNN8:05 pmShannon
28h 05m
1 stop
SAN4:10 pmSan Diego
$949
British Airways
Nov 2
SAN2:39 pmSan Diego
18h 06m
2 stops
SNN4:45 pmShannon
Nov 9
SNN8:05 pmShannon
28h 05m
1 stop
SAN4:10 pmSan Diego
$953
British Airways
May 16
SAN7:40 pmSan Diego
16h 55m
1 stop
SNN8:35 pmShannon
May 23
SNN7:30 amShannon
15h 25m
1 stop
SAN2:55 pmSan Diego
$1,282

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 May 15, 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

Cheapest round-trip

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Mon 9/7

6:18 am-7:30 am

1 stop17h 12m

Shannon

Thu 9/10

9:30 am-6:30 pm

1 stop17h 00m

$795

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Mon 9/7

6:20 am-7:30 am

2 stops17h 10m

Shannon

Thu 9/10

9:30 am-6:35 pm

2 stops17h 05m

$800

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Wed 7/22

6:40 am-7:30 am

1 stop16h 50m

Shannon

Tue 8/4

9:30 am-10:34 pm

1 stop21h 04m

$847

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Wed 7/22

6:20 am-7:30 am

3 stops17h 10m

Shannon

Tue 8/4

9:30 am-10:34 pm

1 stop21h 04m

$852

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Wed 7/22

6:40 am-7:30 am

1 stop16h 50m

Shannon

Tue 8/4

9:30 am-8:46 pm

2 stops43h 16m

$864
Quickest round-trip

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sun 8/23

6:18 am-7:30 am

1 stop17h 12m

Shannon

Sat 8/29

9:30 am-3:02 pm

1 stop13h 32m

$874

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sun 8/23

6:20 am-7:30 am

2 stops17h 10m

Shannon

Sat 8/29

9:30 am-8:45 pm

2 stops19h 15m

$879

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Mon 7/6

10:35 am-7:30 am

1 stop12h 55m

Shannon

Thu 7/16

12:30 pm-11:40 pm

1 stop19h 10m

$912

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Mon 7/6

6:40 am-7:30 am

1 stop16h 50m

Shannon

Thu 7/16

9:30 am-6:32 pm

1 stop17h 02m

$913

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Mon 7/6

6:40 am-7:30 am

1 stop16h 50m

Shannon

Thu 7/16

12:30 pm-11:54 pm

2 stops19h 24m

$917

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

12h 56m

Direct flights

None
The fastest flight from San Diego to Shannon, Clare takes 12h 56m
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

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

  • 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 12h 56m, 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
7.1
11,662 reviews
Search American Airlines flights
United AirlinesPriceFrom $640Free CancellationRating
7.4
9,717 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
Ennis
Adare
Lahinch
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.

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