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

Airlines like United Airlines and British Airways fly from Shannon, Clare to San Diego in about 17h 57m. The time it takes to get you to your destination can typically vary by up to 3h 52m. The distance from Shannon, Clare to San Diego is about 5132 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What is the cheapest time of day to fly from SNN to SAN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Shannon, Clare to San Diego as you normally would.

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 holiday 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.

£761+ Cheap Flights from Shannon to San Diego

Cheap flight deals from Shannon to San Diego

Enter your travel dates to find the best prices.

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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 13 September 2026.

Wed 30/912:30 -

2 stops17h 57m

Sun 4/1013:30 -

1 stop12h 45m

Deal found 13/9£761

Fri 25/912:30 -

2 stops28h 35m

Tue 29/910:40 -

2 stops15h 35m

Deal found 10/9£764

Tue 29/912:30 -

1 stop17h 49m

Sat 3/1013:30 -

1 stop12h 45m

Deal found 12/9£883

Find flight deals from Shannon to San Diego

Round-trip from	£761

United Airlines
30/9-4/10
3 total stops
30h 42m total
Shannon to San Diego

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

ShannonSan Diego

SNN Shannon - SAN San Diego

SNNSAN

Shannon

Wed 30/9

12:30-22:27

2 stops17h 57m

San Diego

Sun 4/10

13:30-10:15

1 stop12h 45m

£761

ShannonSan Diego

SNN Shannon - SAN San Diego

SNNSAN

Shannon

Fri 25/9

12:30-09:49

1 stop29h 19m

San Diego

Tue 29/9

13:30-10:15

1 stop12h 45m

£764

ShannonSan Diego

SNN Shannon - SAN San Diego

SNNSAN

Shannon

Fri 8/1

07:50-21:39

2 stops21h 49m

San Diego

Mon 11/1

07:30-11:30

2 stops20h 00m

£780

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Sorted by cheapest first

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.

SNN-SAN

Estimated return 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.

Related info for your journey

How long is the flight from Shannon, Clare to San Diego?
Airlines like United Airlines and British Airways fly from Shannon, Clare to San Diego in about 17h 57m. The time it takes to get you to your destination can typically vary by up to 3h 52m. The distance from Shannon, Clare to San Diego is about 5132 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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 holiday 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.

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Why should you use Cheapflights to find cheap flight tickets from Shannon to San Diego?

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Can Cheapflights find flights from Shannon to San Diego with no change fees?

Certainly. Search results for flights to San Diego from Shannon shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Cheap flights from Shannon to San Diego from £761

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Shannon to San Diego

Cheapest flights from Shannon to San DiegoExplore 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 13 September 2026.

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 13 September 2026.

Best flights from Shannon to San DiegoDiscover carefully curated flight deals from Shannon to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Discover carefully curated flight deals from Shannon to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Shannon to San DiegoDiscover last-minute flight deals from Shannon to San Diego. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from Shannon to San Diego. Data last updated 13 September 2026 and is based on user searches.

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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.

Related info for your journey

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

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

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

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

Travelling to a place near San Diego?

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Alternative routes for Shannon to San Diego

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Complete your trip

Complete your trip to San Diego by adding a car hire and/or hotel booking to your travel itinerary.

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Search flights from Shannon to San Diego by cabin class

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Shannon and San Diego flights

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Other flights from Shannon

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Other flights to San Diego

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How does Cheapflights help users find flights from Shannon to San Diego?

Why should you use Cheapflights to find cheap flight tickets from Shannon to San Diego?

Can Cheapflights find flights from Shannon to San Diego with no change fees?

Can Cheapflights notify me if prices for flights from Shannon to San Diego become cheaper?

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Travel Smart

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 13 September 2026.

Best flights from Shannon to San Diego
Discover carefully curated flight deals from Shannon to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Shannon to San Diego
Discover last-minute flight deals from Shannon to San Diego. Data last updated 13 September 2026 and is based on user searches.