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$978+ Cheap flights from Shannon (SNN) to San Diego (SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Shannon to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to San Diego (SAN). 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 12, 2025.

Round-trip from

$978
(Lufthansa)
From Shannon to San Diego
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Find flight deals from Shannon to San Diego

Cheapest flights from Shannon to San Diego
Explore the most affordable flight options available from Shannon to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Lufthansa deal was found by Cheapflights users on 6/9. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/812:30 pmSNN - SAN
2 stops19h 45mLufthansa
Tue 7/155:50 pmSAN - SNN
2 stops32h 25mLufthansa
Deal found 6/9$978
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/261:05 pmSNN - SAN
1 stop18h 36mDelta
Mon 6/3010:15 pmSAN - SNN
2 stops28h 55mDelta
Deal found 6/10$986
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 7/269:30 amSNN - SAN
3 stops18h 46mUnited Airlines
Sat 8/26:45 amSAN - SNN
2 stops16h 45mUnited Airlines
Deal found 6/11$1,024
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/812:45 pmSNN - SAN
3 stops42h 21mMultiple Airlines
Tue 7/152:05 pmSAN - SNN
2 stops26h 05mMultiple Airlines
Deal found 6/9$1,452

Cheapflights Fare Finder

Customize your flight search to find flights from Shannon to San Diego 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 12, 2025.
Use the filters below to find and compare flights from Shannon to San Diego that are best for you.

Fly from

Shannon

Fly to

San Diego

Route

Depart

Return

Price

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 7/8

12:30 pm-12:15 am

2 stops19h 45m

San Diego

Tue 7/15

5:50 pm-10:15 am

2 stops32h 25m

$978

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Thu 6/26

1:05 pm-11:41 pm

1 stop18h 36m

San Diego

Mon 6/30

10:15 pm-11:10 am

2 stops28h 55m

$986

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Sat 7/26

9:30 am-8:16 pm

3 stops18h 46m

San Diego

Sat 8/2

6:45 am-7:30 am

2 stops16h 45m

$1,024

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 7/8

12:45 pm-11:06 pm

3 stops42h 21m

San Diego

Tue 7/15

2:05 pm-12:10 am

2 stops26h 05m

$1,452

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Best time to book a flight from Shannon to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Shannon 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.

Cheapflights Insights

Everything you need to know about your flight from Shannon to San Diego

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Lufthansa
6.8
Okay
7,136 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What are the cheapest airlines flying from Shannon, Clare to San Diego round-trip?

    Lufthansa, at $978, was found to be the cheapest airline from Shannon, Clare to San Diego.Alternate airlines to your destination round-trip include Delta and United Airlines.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Shannon, Clare to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Shannon, Clare to San Diego (average of $286). Flying from Shannon, Clare to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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