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Cheap flights from San Diego to Shannon from $613

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 8/29. 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
1 adult, Economy, 0 bags

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
7:00 am - 10:15 amSAN  San Diego-SNN Shannon
19h 15m2 stops Denver Intl Newark
United Airlines Logo
12:30 pm - 7:43 pmSNN  Shannon-SAN San Diego
15h 13m1 stop Newark
$866United Airlines
Fri, Sep 25 - Fri, Oct 2
United Airlines Logo
7:00 am - 10:15 amSAN  San Diego-SNN Shannon
19h 15m2 stops Denver Intl Newark
United Airlines Logo
12:30 pm - 3:54 pmSNN  Shannon-SAN San Diego
35h 24m3 stops Newark Austin Bergstrom San Francisco
$866United Airlines
Fri, Sep 25 - Fri, Oct 2
United Airlines Logo
7:00 am - 10:15 amSAN  San Diego-SNN Shannon
19h 15m2 stops Denver Intl Newark
United Airlines Logo
12:30 pm - 10:17 amSNN  Shannon-SAN San Diego
29h 47m2 stops Newark San Francisco
$866United Airlines
Fri, Sep 25 - Fri, Oct 2
United Airlines Logo
7:41 pm - 10:15 amSAN  San Diego-SNN Shannon
30h 34m3 stops San Francisco Chicago O'Hare Intl Newark
United Airlines Logo
12:30 pm - 9:32 amSNN  Shannon-SAN San Diego
29h 02m2 stops Newark Chicago O'Hare Intl
$892United Airlines
Fri, Oct 2 - Mon, Oct 12
United Airlines Logo
10:30 pm - 10:15 amSAN  San Diego-SNN Shannon
27h 45m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:30 pm - 9:32 amSNN  Shannon-SAN San Diego
29h 02m2 stops Newark Chicago O'Hare Intl
$892United Airlines
Fri, Oct 2 - Mon, Oct 12
United Airlines Logo
9:20 pm - 10:15 amSAN  San Diego-SNN Shannon
28h 55m1 stop Newark
United Airlines Logo
12:30 pm - 11:25 amSNN  Shannon-SAN San Diego
30h 55m2 stops Newark Chicago O'Hare Intl
$900United Airlines
Fri, Oct 2 - Mon, Oct 12
Air Canada Logo
7:05 am - 4:45 pmSAN  San Diego-SNN Shannon
25h 40m2 stops Vancouver Intl London Heathrow
Air Canada Logo
8:05 pm - 5:59 pmSNN  Shannon-SAN San Diego
53h 54m2 stops London Heathrow Vancouver Intl
$956Air Canada
Mon, Jan 11 - Thu, Jan 14
British Airways Logo
6:00 pm - 4:45 pmSAN  San Diego-SNN Shannon
14h 45m1 stop London Heathrow
British Airways Logo
7:50 am - 4:10 pmSNN  Shannon-SAN San Diego
16h 20m1 stop London Heathrow
$958British Airways
Mon, Jan 11 - Thu, Jan 14
British Airways Logo
1:59 pm - 7:25 pmSAN  San Diego-SNN Shannon
21h 26m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
7:50 am - 4:10 pmSNN  Shannon-SAN San Diego
16h 20m1 stop London Heathrow
$962British Airways
Mon, Jan 11 - Thu, Jan 14
British Airways Logo
6:00 pm - 4:45 pmSAN  San Diego-SNN Shannon
14h 45m1 stop London Heathrow
British Airways Logo
7:50 am - 4:10 pmSNN  Shannon-SAN San Diego
16h 20m1 stop London Heathrow
$963British Airways
Mon, Jan 11 - Thu, Jan 14

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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 25
SAN7:00 amSan Diego
19h 15m
2 stops
SNN10:15 amShannon
Oct 2
SNN12:30 pmShannon
15h 13m
1 stop
SAN7:43 pmSan Diego
$866
United Airlines
Oct 2
SAN7:41 pmSan Diego
30h 34m
3 stops
SNN10:15 amShannon
Oct 12
SNN12:30 pmShannon
29h 02m
2 stops
SAN9:32 amSan Diego
$892
United Airlines
Oct 2
SAN9:20 pmSan Diego
28h 55m
1 stop
SNN10:15 amShannon
Oct 12
SNN12:30 pmShannon
30h 55m
2 stops
SAN11:25 amSan Diego
$900

British Airways flights from San Diego to Shannon, Clare

Our best British Airways deals on San Diego to Shannon, Clare flight tickets
British Airways
Jan 11
SAN6:00 pmSan Diego
14h 45m
1 stop
SNN4:45 pmShannon
Jan 14
SNN7:50 amShannon
16h 20m
1 stop
SAN4:10 pmSan Diego
$958
British Airways
Jan 11
SAN1:59 pmSan Diego
21h 26m
2 stops
SNN7:25 pmShannon
Jan 14
SNN7:50 amShannon
16h 20m
1 stop
SAN4:10 pmSan Diego
$962
British Airways
Jan 11
SAN6:00 pmSan Diego
14h 45m
1 stop
SNN4:45 pmShannon
Jan 14
SNN7:50 amShannon
16h 20m
1 stop
SAN4:10 pmSan Diego
$963

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 August 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 San Diego - SNN Shannon

SANSNN

San Diego

Fri 9/25

7:00 am-10:15 am

2 stops19h 15m

Shannon

Fri 10/2

12:30 pm-7:43 pm

1 stop15h 13m

$866

San DiegoShannon

SAN San Diego - SNN Shannon

SANSNN

San Diego

Fri 9/25

7:00 am-10:15 am

2 stops19h 15m

Shannon

Fri 10/2

12:30 pm-3:54 pm

3 stops35h 24m

$866

San DiegoShannon

SAN San Diego - SNN Shannon

SANSNN

San Diego

Fri 9/25

7:00 am-10:15 am

2 stops19h 15m

Shannon

Fri 10/2

12:30 pm-10:17 am

2 stops29h 47m

$866

San DiegoShannon

SAN San Diego - SNN Shannon

SANSNN

San Diego

Fri 10/2

7:41 pm-10:15 am

3 stops30h 34m

Shannon

Mon 10/12

12:30 pm-9:32 am

2 stops29h 02m

$892

San DiegoShannon

SAN San Diego - SNN Shannon

SANSNN

San Diego

Fri 10/2

10:30 pm-10:15 am

2 stops27h 45m

Shannon

Mon 10/12

12:30 pm-9:32 am

2 stops29h 02m

$892

San DiegoShannon

SAN San Diego - SNN Shannon

SANSNN

San Diego

Fri 10/2

9:20 pm-10:15 am

1 stop28h 55m

Shannon

Mon 10/12

12:30 pm-11:25 am

2 stops30h 55m

$900

San DiegoShannon

SAN San Diego - SNN Shannon

SANSNN

San Diego

Mon 1/11

7:05 am-4:45 pm

2 stops25h 40m

Shannon

Thu 1/14

8:05 pm-5:59 pm

2 stops53h 54m

$956
Quickest round-trip

San DiegoShannon

SAN San Diego - SNN Shannon

SANSNN

San Diego

Mon 1/11

6:00 pm-4:45 pm

1 stop14h 45m

Shannon

Thu 1/14

7:50 am-4:10 pm

1 stop16h 20m

$958

San DiegoShannon

SAN San Diego - SNN Shannon

SANSNN

San Diego

Mon 1/11

1:59 pm-7:25 pm

2 stops21h 26m

Shannon

Thu 1/14

7:50 am-4:10 pm

1 stop16h 20m

$962

San DiegoShannon

SAN San Diego - SNN Shannon

SANSNN

San Diego

Mon 1/11

6:00 pm-4:45 pm

1 stop14h 45m

Shannon

Thu 1/14

7:50 am-4:10 pm

1 stop16h 20m

$963

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 96% 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

14h 45m

Direct flights

None
The fastest flight from San Diego to Shannon, Clare takes 14h 45m
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 14h 45m, 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 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.

Traveling to a place near Shannon?

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

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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