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Shannon

$353+ Cheap flights from San Diego (SAN) to Shannon (SNN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SNN
Jul 5 — Jul 121
Sun 7/5
Sun 7/12
1 adult, Economy
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Cheap flight deals from San Diego to Shannon

Cheapest flights from San Diego to Shannon
Explore the most affordable flight options available from San Diego to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.

This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:20 am
SAN
-
SNN
2 stops19h 55m
United Airlines
Wed 7/229:30 am
SNN
-
SAN
1 stop13h 55m
United Airlines
Deal found 6/2$837
This KAYAK deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:40 am
SAN
-
SNN
1 stop12h 50m
Lufthansa
Sat 10/312:30 pm
SNN
-
SAN
1 stop15h 13m
Lufthansa
Deal found 6/4$863
This KAYAK deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:40 am
SAN
-
SNN
1 stop16h 50m
Lufthansa
Mon 8/2412:30 pm
SNN
-
SAN
1 stop18h 19m
Lufthansa
Deal found 6/1$879
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
SAN
-
SNN
2 stops17h 00m
United Airlines
Mon 8/249:30 am
SNN
-
SAN
1 stop13h 32m
United Airlines
Deal found 6/1$880
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:25 pm
SAN
-
SNN
1 stop25h 05m
United Airlines
Wed 7/229:30 am
SNN
-
SAN
1 stop13h 55m
United Airlines
Deal found 6/2$897
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:15 am
SAN
-
SNN
2 stops17h 15m
United Airlines
Sat 10/312:30 pm
SNN
-
SAN
3 stops19h 59m
United Airlines
Deal found 6/4$901
This KAYAK deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:40 am
SAN
-
SNN
1 stop19h 35m
Lufthansa
Thu 7/1612:30 pm
SNN
-
SAN
1 stop19h 10m
Lufthansa
Deal found 6/4$911
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:35 am
SAN
-
SNN
1 stop12h 55m
United Airlines
Thu 7/169:30 am
SNN
-
SAN
1 stop17h 02m
United Airlines
Deal found 6/1$912

Find flight deals from San Diego to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$837
(United Airlines)

One-way from

$353
(Kiwi.com)
Provider with most accurate pricing for San Diego-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Shannon flights.
Search Deals
From San Diego to Shannon
Search Deals
One-way flight from San Diego to Shannon
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Shannon 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, Cheapflights users made 2,558,603 searches. Data last updated June 5, 2026.
Use the filters below to find and compare flights from San Diego to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Mon 7/6

6:20 am-7:30 am

3 stops17h 10m

Shannon

Wed 7/22

9:30 am-7:51 pm

2 stops18h 21m

$837
Quickest round-trip

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Wed 8/12

6:20 am-7:30 am

2 stops17h 10m

Shannon

Mon 8/24

9:30 am-5:00 pm

2 stops15h 30m

$885

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Thu 7/16

10:25 pm-7:30 am

1 stop25h 05m

Shannon

Wed 7/22

9:30 am-3:25 pm

1 stop13h 55m

$897

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Mon 7/6

6:20 am-7:30 am

2 stops17h 10m

Shannon

Thu 7/16

9:30 am-5:20 pm

2 stops15h 50m

$917
Cheapest one-way

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sat 8/15

6:25 am-7:45 am

3 stops41h 20m

$353

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sat 8/8

6:25 am-7:45 am

3 stops41h 20m

$400

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Mon 8/10

9:06 pm-9:30 am

2 stops52h 24m

$401
Quickest one-way

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sun 8/9

6:40 am-10:15 am

1 stop19h 35m

$463

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sat 8/15

10:20 pm-7:30 am

2 stops25h 10m

$463

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sat 8/15

9:59 pm-11:10 am

1 stop29h 11m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from San Diego to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Shannon in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated June 5, 2026.
Read through reviews of airlines operating flights from San Diego to Shannon, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,775 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,775 reviews
United Airlines
7.4
Good
9,775 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Diego to Shannon, Clare?

    United Airlines can get you from San Diego to Shannon, Clare in just under 17h 10m. Your travel time can differ by up to . Airlines will cover a distance of 5132 mi.

  • What is the cheapest airline to fly from San Diego to Shannon, Clare round-trip?

    According to our current data, United Airlines ($514), offers the cheapest pricing from San Diego to Shannon, Clare.

  • Can I find deals for flights from San Diego to Shannon that include hotel bookings?

    Yes. In addition to deals on San Diego to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Shannon.

  • Can I find deals for business class flights from San Diego to Shannon?

    Yes. Cheapflights offers flight deals from San Diego to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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Top airline flying from San Diego to Shannon

Discover the top airline that operate flights from San Diego to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$514Average$776FlexibilityNo cancel feeOn-time69%

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