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SAN - CWL

$630 Find Cheap Flights from San Diego to Cardiff - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,270
Typical prices: $818-$894
Scandinavian Airlines, Air Europa
Sun 12/9Sun 12/16
SAN - CWL • 2 stops
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Flight Deals

Cheap Flights from San Diego to Cardiff (SAN-CWL)

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

Recent round-trip flight deals from San Diego to Cardiff

Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
6:15 am - 5:00 pmSAN  San Diego-CWL Cardiff Wales
26h 45m2 stops Los Angeles Amsterdam Schiphol
Multiple Airlines Logo
5:30 pm - 12:10 pmCWL  Cardiff Wales-SAN San Diego
26h 40m1 stop Amsterdam Schiphol
$1,270Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
6:15 am - 5:00 pmSAN  San Diego-CWL Cardiff Wales
26h 45m2 stops Los Angeles Amsterdam Schiphol
Multiple Airlines Logo
10:20 am - 4:16 pmCWL  Cardiff Wales-SAN San Diego
37h 56m2 stops Amsterdam Schiphol Salt Lake City
$1,384Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
4:30 pm - 8:30 amSAN  San Diego-CWL Cardiff Wales
32h 00m3 stops Phoenix Sky Harbor Intl London Heathrow Belfast City
Multiple Airlines Logo
12:15 pm - 4:10 pmCWL  Cardiff Wales-SAN San Diego
35h 55m3 stops Belfast City Glasgow Intl London Heathrow
$6,473Multiple Airlines
Booking Insights

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

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

What is the cheapest layover airport when flying from San Diego to Cardiff?

Flights via Amsterdam Schiphol (AMS) offer the most affordable fares, with an average round-trip price of $894. Based on KAYAK data over the past 3 months.

When flying from San Diego to Cardiff which airport offers the shortest layover?

Amsterdam Schiphol (AMS) had the shortest average connection time for San Diego to Cardiff layovers at 16h 52m over the past 3 months.

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Key details for San Diego to Cardiff flights

Cheapest flight

$630
One-way flight from San Diego to Cardiff

When to book flights from San Diego to Cardiff

Are your dates flexible? Find out the best times to travel from San Diego to Cardiff 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 Cardiff flight questions, answered

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

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

    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.

  • Have flight prices from San Diego to Cardiff 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 $1,270 to $6,473. That means the highest observed fare was about 5x higher than the lowest one.

  • What car rental options are available at Cardiff Wales Airport (CWL)?

    Cardiff Wales Airport (CWL) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

    • Alamo
    • Budget
    • Enterprise Rent-A-Car
    • Avis
    • National

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

    Flights from San Diego to Cardiff usually depart from San Diego (SAN) and arrive at Cardiff Wales (CWL).

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

    Most connecting flights from San Diego to Cardiff pass through Amsterdam Schiphol (AMS), which handles 100% of one-stop traffic on this route.

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

    Yes. Flexible dates can save you up to 52% on flights from San Diego to Cardiff. Tuesday is the cheapest departure day at $818 round-trip on average, while Saturday is the most expensive at $1,698, a difference of $880.

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

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

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

Your guide to booking San Diego to Cardiff 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 Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $818, about $880 less than Saturday fares (52% savings) based on the last 12 months.

More options for your flight from San Diego to Cardiff

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

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