SAN - SNN

€387 Find Cheap Flights from San Diego to Shannon – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
€530
Typical prices: €661-€1,105
United Airlines
Fri 5/10Sat 20/10
SAN - SNN • 1 stop
Cheapest one-way flight
€387
Typical prices: €471-€756
Multiple Airlines
Wed 28/2
SAN - SNN • 2 stops
Direct 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 stopover airports
London Heathrow (LHR)
Cheapest • Avg €708 (return)
Newark (EWR)
Shortest trip • 14h 03m (one-way)
Insights
Insights
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We hope you enjoy your trip to Shannon!
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Booking Insights
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 return flight deals from San Diego to Shannon

Mon, 5 Oct - Tue, 20 Oct
United Airlines Logo
07:00 - 10:15SAN  San Diego-SNN Shannon
19h 15m2 stops Denver Intl Newark
United Airlines Logo
12:30 - 22:41SNN  Shannon-SAN San Diego
18h 11m2 stops Newark Chicago O'Hare Intl
€530United Airlines
Tue, 10 Nov - Tue, 17 Nov
British Airways Logo
18:00 - 16:45SAN  San Diego-SNN Shannon
14h 45m1 stop London Heathrow
British Airways Logo
07:50 - 23:54SNN  Shannon-SAN San Diego
24h 04m2 stops London Heathrow Chicago O'Hare Intl
€711British Airways
Tue, 10 Nov - Tue, 17 Nov
British Airways Logo
12:28 - 16:45SAN  San Diego-SNN Shannon
20h 17m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
20:05 - 17:52SNN  Shannon-SAN San Diego
29h 47m2 stops London Heathrow Dallas/Fort Worth
€715British Airways
Tue, 10 Nov - Tue, 17 Nov
Multiple Airlines Logo
18:00 - 19:25SAN  San Diego-SNN Shannon
17h 25m1 stop London Heathrow
Multiple Airlines Logo
14:40 - 12:44SNN  Shannon-SAN San Diego
30h 04m1 stop New York John F Kennedy Intl
€737Multiple Airlines
Tue, 10 Nov - Tue, 17 Nov
Multiple Airlines Logo
06:50 - 11:30SAN  San Diego-SNN Shannon
20h 40m3 stops Chicago O'Hare Intl Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
07:50 - 16:25SNN  Shannon-SAN San Diego
40h 35m2 stops London Heathrow Vancouver Intl
€765Multiple Airlines
Fri, 30 Oct - Fri, 6 Nov
Multiple Airlines Logo
08:15 - 05:50SAN  San Diego-SNN Shannon
14h 35m1 stop Boston Logan Intl
Multiple Airlines Logo
14:00 - 08:26SNN  Shannon-SAN San Diego
26h 26m2 stops Boston Logan Intl Dallas/Fort Worth
€768Multiple Airlines
Fri, 30 Oct - Fri, 6 Nov
Multiple Airlines Logo
08:15 - 05:50SAN  San Diego-SNN Shannon
14h 35m1 stop Boston Logan Intl
Multiple Airlines Logo
14:00 - 21:40SNN  Shannon-SAN San Diego
15h 40m1 stop Boston Logan Intl
€772Multiple Airlines
Fri, 30 Oct - Fri, 6 Nov
American Airlines Logo
06:20 - 05:50SAN  San Diego-SNN Shannon
16h 30m2 stops Dallas/Fort Worth Boston Logan Intl
American Airlines Logo
14:00 - 23:54SNN  Shannon-SAN San Diego
17h 54m2 stops Boston Logan Intl Chicago O'Hare Intl
€777American Airlines
Tue, 10 Nov - Tue, 17 Nov
Air Canada Logo
06:50 - 11:30SAN  San Diego-SNN Shannon
20h 40m3 stops Chicago O'Hare Intl Toronto Pearson Intl London Heathrow
Air Canada Logo
07:50 - 22:40SNN  Shannon-SAN San Diego
22h 50m3 stops London Heathrow Toronto Pearson Intl Chicago O'Hare Intl
€781Air Canada
Sat, 6 Feb - Sat, 13 Feb
Air Canada Logo
12:50 - 11:30SAN  San Diego-SNN Shannon
38h 40m2 stops Toronto Pearson Intl London Heathrow
Air Canada Logo
17:10 - 12:00SNN  Shannon-SAN San Diego
50h 50m2 stops London Heathrow Toronto Pearson Intl
€784Air Canada
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 from San Diego to Shannon with more confidence.

How much is a return flight from San Diego to Shannon?

Return flights from San Diego to Shannon start at €530. Prices are below average for this route right now, with typical return fares ranging from €661 to €1,105. The lowest price found in the past 5 days was €530 on United Airlines.

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

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

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Key details for San Diego to Shannon flights

Low season

January

Cheapest flight

€387
Most popular time to fly (1% more expensive on average)
Flights 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 return price

Your San Diego to Shannon flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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

    New York John F Kennedy Intl (JFK) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 63% on the San Diego to Shannon route. Friday is the cheapest departure day at €451 return on average, while Sunday is the most expensive at €1,191, a difference of €740. 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 long is a flight from San Diego to Shannon?

    A direct flight from San Diego to Shannon takes 0h 00m, covering 13,291 km.

  • 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 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 €1,674, which is 209% above the typical average for this route.

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

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time of 14h 03m, compared to 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.

  • Which car hire options are available at Shannon Airport (SNN)?

    Shannon Airport (SNN) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:
    • Budget
    • Sixt
    • Europcar
    • Thrifty
    • Easirent

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

    Return flights from San Diego to Shannon range from €661 to €1,105, with an average of €900 over the past 12 months. Anything below €661 counts as a good deal.

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 instead of Sunday. On this route, Friday flights average €451 – about €740 less than Sunday (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 €500 return in that month – typically €966 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 hire

Car hire in Shannon
Hotels in Shannon
Holidays in Shannon