SAN - SNN

$836 Find Cheap Flights from San Diego to Shannon - Compare and Save

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Everything you should know

Cheapest round-trip
$836
Typical prices: $759-$1,270
British Airways
Sat 10/20Sat 10/27
SAN - SNN • 1 stop
Cheapest one-way
$1,101
Typical prices: $541-$868
British Airways
Thu 11/15
SAN - SNN • 2 stops
Nonstop flights
Not available
There are currently no direct flights between San Diego and Shannon. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 44% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $814 (round-trip)
Newark (EWR)
Shortest trip • 14h 03m (one-way)
Insights
Insights
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Flight Deals
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Flight Deals

Cheap Flights from San Diego to Shannon (SAN-SNN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Shannon

Tue, Oct 20 - Tue, Oct 27
British Airways Logo
7:40 pm - 8:35 pmSAN  San Diego-SNN Shannon
16h 55m1 stop London Heathrow
British Airways Logo
8:05 pm - 8:04 pmSNN  Shannon-SAN San Diego
30h 59m2 stops London Heathrow Dallas/Fort Worth
$836British Airways
Tue, Oct 20 - Tue, Oct 27
British Airways Logo
6:20 am - 11:20 amSAN  San Diego-SNN Shannon
21h 00m2 stops Philadelphia London Heathrow
British Airways Logo
8:05 pm - 5:53 pmSNN  Shannon-SAN San Diego
28h 48m2 stops London Heathrow Dallas/Fort Worth
$840British Airways
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
4:45 pm - 4:10 pmSAN  San Diego-SNN Shannon
15h 25m1 stop London Heathrow
Multiple Airlines Logo
2:40 pm - 8:25 pmSNN  Shannon-SAN San Diego
36h 45m1 stop New York John F Kennedy Intl
$879Multiple Airlines
Sat, Nov 7 - Sat, Nov 14
Air Canada Logo
4:45 pm - 11:30 amSAN  San Diego-SNN Shannon
58h 45m2 stops Vancouver Intl London Heathrow
Air Canada Logo
5:10 pm - 3:55 pmSNN  Shannon-SAN San Diego
54h 45m2 stops London Heathrow Vancouver Intl
$885Air Canada
Sat, Nov 7 - Sat, Nov 14
Multiple Airlines Logo
6:00 pm - 4:45 pmSAN  San Diego-SNN Shannon
14h 45m1 stop London Heathrow
Multiple Airlines Logo
2:00 pm - 9:40 pmSNN  Shannon-SAN San Diego
15h 40m1 stop Boston Logan Intl
$903Multiple Airlines
Sat, Nov 7 - Sat, Nov 14
Multiple Airlines Logo
6:00 pm - 7:25 pmSAN  San Diego-SNN Shannon
17h 25m1 stop London Heathrow
Multiple Airlines Logo
2:40 pm - 8:26 amSNN  Shannon-SAN San Diego
25h 46m2 stops New York John F Kennedy Intl Dallas/Fort Worth
$919Multiple Airlines
Fri, Oct 9 - Fri, Oct 23
United Airlines Logo
6:40 am - 10:15 amSAN  San Diego-SNN Shannon
19h 35m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:30 pm - 6:35 pmSNN  Shannon-SAN San Diego
38h 05m3 stops Newark Denver Intl San Francisco
$991United Airlines
Mon, Dec 21 - Tue, Dec 29
Multiple Airlines Logo
7:00 am - 11:30 amSAN  San Diego-SNN Shannon
20h 30m2 stops Chicago O'Hare Intl London Heathrow
Multiple Airlines Logo
7:50 am - 6:25 amSNN  Shannon-SAN San Diego
30h 35m2 stops London Heathrow Phoenix Sky Harbor Intl
$1,361Multiple Airlines
Mon, Dec 21 - Tue, Dec 29
Multiple Airlines Logo
8:35 pm - 5:50 amSAN  San Diego-SNN Shannon
25h 15m1 stop Boston Logan Intl
Multiple Airlines Logo
7:50 am - 6:25 amSNN  Shannon-SAN San Diego
30h 35m2 stops London Heathrow Phoenix Sky Harbor Intl
$1,394Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
6:25 am - 11:35 pmSAN  San Diego-SNN Shannon
33h 10m3 stops Denver Intl Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
5:30 pm - 11:57 pmSNN  Shannon-SAN San Diego
37h 27m3 stops London Heathrow Reykjavik Keflavik Intl Denver Intl
$1,397Multiple Airlines
Booking Insights

Price, demand and travel trends for San Diego to Shannon flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Diego to Shannon?

Round-trip flights from San Diego to Shannon typically range from $759 to $1,270. The lowest price found in the past 5 days was $836, on British Airways.

What's the cheapest day of the week to fly from San Diego to Shannon?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from San Diego to Shannon. It’s 50% cheaper than the average day, while Sunday is the most expensive, with prices 32% higher.

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Key details for San Diego to Shannon flights

Low season

January

Cheapest flight

$836
Round-trip flight from San Diego to Shannon

When to book flights from San Diego to Shannon

Are your dates flexible? Find out the best times to travel from San Diego to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Diego to Shannon flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from San Diego to Shannon?

    Four cabin classes are available on flights from San Diego to Shannon:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from San Diego to Shannon?

    A nonstop flight from San Diego to Shannon takes 00m, covering 5,132 miles.

  • Do I need a passport to fly from San Diego to Shannon?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a San Diego to Shannon flight?

    Round-trip flights from San Diego to Shannon range from $759 to $1,270, with an average of $1,033 over the past 12 months. Anything below $759 counts as a good deal.

  • Have flight prices from San Diego to Shannon changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $836 to $3,209. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from San Diego to Shannon looking right now?

    One-way fares from San Diego to Shannon are currently higher than usual. Average one-way flight prices are about $1,226, which is 97% above the typical average for this route.

  • What car rental options are available at Shannon Airport (SNN)?

    Shannon Airport (SNN) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Budget
    • Sixt
    • Europcar
    • Thrifty
    • Easirent

  • Which airports can I use when flying from San Diego to Shannon?

    Flights from San Diego to Shannon usually depart from San Diego (SAN) and arrive at Shannon (SNN).

  • Which airports do connecting flights from San Diego to Shannon pass through?

    One-stop flights from San Diego to Shannon most commonly connect through:

    • New York John F Kennedy Intl (JFK) - 39% of one-stop connections
    • London Heathrow (LHR) - 39% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 14% of one-stop connections
    • Boston Logan Intl (BOS) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from San Diego to Shannon?

    Yes. Flexible dates can save you up to 63% on flights from San Diego to Shannon. Friday is the cheapest departure day at $518 round-trip on average, while Sunday is the most expensive at $1,368, a difference of $850.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from San Diego to Shannon?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 14h 03m, compared with 14h 09m via Chicago O'Hare Intl (ORD) and 15h 15m via New York John F Kennedy Intl (JFK).

  • What is the time difference between San Diego and Shannon?

    Shannon is 8 hours ahead of San Diego (Irish Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking San Diego to Shannon flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Sunday. On this route, Friday flights average $518, about $850 less than Sunday fares (62% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Diego to Shannon trip for March. Fares historically average $574 round-trip in that month - typically $1,110 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Shannon Airport.

    • Park Inn by Radisson Shannon Airport
    • Treacys Oakwood Hotel
    • Carrygerry Country House

More options for your flight from San Diego to Shannon

Complete your trip to Shannon with a hotel stay or car rental

Car rentals in Shannon
Hotels in Shannon