Cheap flights from San Diego to Shannon from €437

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego 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.
1 adult
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from San Diego to Shannon

Cheap return flights

American Airlines Logo
16:20 - 20:35SAN-SNN
20h 15m2 stops
American Airlines Logo
07:50 - 16:10SNN-SAN
16h 20m1 stop
€437American Airlines
Find Deal
Sun, 19 Oct - Tue, 4 Nov
American Airlines Logo
16:20 - 16:10SAN-SNN
15h 50m2 stops
American Airlines Logo
07:50 - 20:48SNN-SAN
20h 58m2 stops
€446American Airlines
Find Deal
Sun, 19 Oct - Tue, 4 Nov
Multiple Airlines Logo
16:40 - 16:10SAN-SNN
15h 30m1 stop
Multiple Airlines Logo
07:50 - 16:10SNN-SAN
16h 20m1 stop
€588Multiple Airlines
Find Deal
Sun, 19 Oct - Tue, 4 Nov
Air Canada Logo
08:10 - 20:35SAN-SNN
28h 25m2 stops
Air Canada Logo
07:50 - 22:20SNN-SAN
22h 30m3 stops
€613Air Canada
Find Deal
Sun, 19 Oct - Tue, 4 Nov
Multiple Airlines Logo
18:10 - 11:30SAN-SNN
58h 20m2 stops
Multiple Airlines Logo
17:25 - 11:38SNN-SAN
50h 13m2 stops
€633Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
United Airlines Logo
06:15 - 10:15SAN-SNN
20h 00m2 stops
United Airlines Logo
12:30 - 09:14SNN-SAN
28h 44m2 stops
€702United Airlines
Find Deal
Thu, 16 Oct - Sat, 25 Oct
United Airlines Logo
10:15 - 10:15SAN-SNN
16h 00m2 stops
United Airlines Logo
12:30 - 09:14SNN-SAN
28h 44m2 stops
€778United Airlines
Find Deal
Thu, 16 Oct - Sat, 25 Oct
Air Canada Logo
12:45 - 16:45SAN-SNN
21h 00m2 stops
Air Canada Logo
07:50 - 11:38SNN-SAN
35h 48m3 stops
€980Air Canada
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Aer Lingus Logo
18:00 - 11:30SAN-SNN
33h 30m1 stop
Aer Lingus Logo
07:50 - 17:05SNN-SAN
16h 15m1 stop
€2,941Aer Lingus
Find Deal
Fri, 27 Feb - Sun, 15 Mar
Aer Lingus Logo
18:00 - 15:45SAN-SNN
13h 45m1 stop
Aer Lingus Logo
17:30 - 17:10SNN-SAN
30h 40m1 stop
€2,942Aer Lingus
Find Deal
Fri, 27 Feb - Sun, 15 Mar

United Airlines flights from San Diego to Shannon, Clare

Our best United Airlines deals on San Diego to Shannon, Clare flight tickets
United Airlines
16 Oct
SAN13:40San Diego
12h 35m
1 stop
SNN10:15Shannon
25 Oct
SNN12:30Shannon
18h 14m
2 stops
SAN22:44San Diego
United Airlines
16 Oct
SAN10:15San Diego
16h 00m
2 stops
SNN10:15Shannon
25 Oct
SNN12:30Shannon
28h 44m
2 stops
SAN09:14San Diego
United Airlines
16 Oct
SAN13:40San Diego
12h 35m
1 stop
SNN10:15Shannon
25 Oct
SNN12:30Shannon
15h 01m
1 stop
SAN19:31San Diego

American Airlines flights from San Diego to Shannon, Clare

Our best American Airlines deals on San Diego to Shannon, Clare flight tickets
American Airlines
19 Oct
SAN16:20San Diego
20h 15m
2 stops
SNN20:35Shannon
4 Nov
SNN07:50Shannon
16h 20m
1 stop
SAN16:10San Diego
American Airlines
19 Oct
SAN16:20San Diego
15h 50m
2 stops
SNN16:10Shannon
4 Nov
SNN07:50Shannon
20h 58m
2 stops
SAN20:48San Diego
American Airlines
31 Oct
SAN08:32San Diego
19h 58m
2 stops
SNN11:30Shannon
7 Nov
SNN07:50Shannon
16h 20m
1 stop
SAN16:10San Diego

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 18 September 2025.
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

Sun 19/10

16:20-20:35

2 stops20h 15m

Shannon

Tue 4/11

07:50-16:10

1 stop16h 20m

€437

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sun 19/10

16:20-16:10

2 stops15h 50m

Shannon

Tue 4/11

07:50-20:48

2 stops20h 58m

€446

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sun 19/10

16:40-16:10

1 stop15h 30m

Shannon

Tue 4/11

07:50-16:10

1 stop16h 20m

€588

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sun 19/10

08:10-20:35

2 stops28h 25m

Shannon

Tue 4/11

07:50-22:20

3 stops22h 30m

€613

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sat 1/11

18:10-11:30

2 stops58h 20m

Shannon

Sat 8/11

17:25-11:38

2 stops50h 13m

€633

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Thu 16/10

06:15-10:15

2 stops20h 00m

Shannon

Sat 25/10

12:30-09:14

2 stops28h 44m

€702

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Thu 16/10

10:15-10:15

2 stops16h 00m

Shannon

Sat 25/10

12:30-09:14

2 stops28h 44m

€778

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sat 1/11

12:45-16:45

2 stops21h 00m

Shannon

Sat 8/11

07:50-11:38

3 stops35h 48m

€980

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Fri 27/2

18:00-11:30

1 stop33h 30m

Shannon

Sun 15/3

07:50-17:05

1 stop16h 15m

€2,941

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Fri 27/2

18:00-15:45

1 stop13h 45m

Shannon

Sun 15/3

17:30-17:10

1 stop30h 40m

€2,942

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Shannon from

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

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

The month of March is another great option to travel to Shannon, Clare, with average flight prices from San Diego averaging around €638.

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 return 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

Direct flights

None
There are no direct flights from San Diego to Shannon, Clare. There are no popular flight routes from San Diego to Shannon, Clare.
  • How far is San Diego to Shannon by plane?

    The straight-line distance from San Diego to Shannon is 8260.4 km. Flights usually cover this in 12h 35m, 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 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 Diego Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The travel and health documents required for your trip to Shannon Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Shannon Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Shannon?

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

Why use momondo?

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

It is quick and easy to find San Diego 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 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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Shannon from San Diego.

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

Yes. momondo can track prices for San Diego to Shannon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 18/10
Sat 25/10