Are direct flights from San Diego to Cardiff always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers, but they are not always the most budget-friendly choice. Flights with connections can often be cheaper, especially for longer international routes. Consider your priorities for cost versus convenience.

Can flexible travel dates help on San Diego to Cardiff flights?

Being flexible with your travel dates can significantly impact the price of your flight. Mid-week flights or those during off-peak seasons are usually less expensive than weekend or holiday travel. Adjusting your departure or return by a few days may lead to savings.

What extra costs should I check before booking San Diego to Cardiff flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes or for certain payment methods. Factor these into your total travel budget.

Flights From San Diego

To Cardiff

Cheap Flights from San Diego to Cardiff

Browse current best options from San Diego. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

San Diego

RatePunk searches hundreds of travel sites at once for deals on flights to Cardiff

Prices updated 5 days ago

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)

Today’s best flight deals from San Diego to Cardiff

Explore current cheapest deals departing from San Diego to Cardiff

Round trip

Sort by: Cheapest

September 6 - September 10

Cheapest

Best

SAN - Cardiff

$1,238

$810

Round trip

September 6 - September 12

Best

SAN - Cardiff

$1,191

$823

Round trip

September 7 - September 12

SAN - Cardiff

$1,212

$830

Round trip

September 5 - September 10

SAN - Cardiff

$1,211

$849

Round trip

September 8 - September 12

SAN - Cardiff

$1,233

$849

Round trip

September 5 - September 12

SAN - Cardiff

$1,184

$863

Round trip

September 5 - September 8

SAN - Cardiff

$1,231

$883

Round trip

September 9 - September 12

SAN - Cardiff

$1,231

$956

Round trip

September 6 - September 8

SAN - Cardiff

$1,240

$993

Round trip

August 23 - August 30

Earliest

SAN - Cardiff

$1,350

$995

Round trip

Unlock all 500+ flight deals to Cardiff and get alerts when great deals appear

San Diego to Cardiff: Overview

Insights for flights from San Diego to Cardiff

Most itineraries for cheap flights from San Diego to Cardiff connect at least once, with 0% of recent fares being non-stop. For connecting itineraries, the typical number of connections is 2.

A typical journey from San Diego to Cardiff takes about 28h 44m, including connections. This is a long-haul route, covering a distance of 8657 km.

When is the cheapest time to fly from San Diego to Cardiff? The most affordable month to fly is September, with a median fare of $414. July is also a strong option, with a median fare of $416, followed by August at $481.

Fares from San Diego to Cardiff typically range from $478–$634, with a median of $509. Right now, fares are below the typical level, and 72% of recent fares were classified as a good price. New deals show up several times a week, so keeping an eye on prices can be beneficial.

How much is a round trip from San Diego to Cardiff

Regular price: $1,130 - $2,031

Prices for flights from San Diego to Cardiff are currently below the regular range.

The regular price range for flights from San Diego to Cardiff is between $1130 and $2031. The current lowest deal is $995 with Alaska Airlines, Inc. for travel from Aug 23-Aug 30.

now $995

Low $1,130

High $2,031

The cheapest time to fly from San Diego to Cardiff

The cheapest month to fly from San Diego to Cardiff is July, with a median price of $408. The most expensive month is March, with a median price of $760. Prices are generally lower from May to November.

July

Cheapest

Flights from $408

March

Most Expensive

Flights from $760

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Nov

Dec

Direct flights from San Diego to Cardiff

Alaska Airlines, Inc.

JetBlue Airways

KLM

Last-minute flights going from San Diego to Cardiff

Tue, Aug 4

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Alaska Airlines, Inc.

$1,413

$1,179

One-way

Fri, Aug 7

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

JetBlue Airways

$1,398

$1,080

One-way

Sat, Aug 8

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Alaska Airlines, Inc.

$1,398

$1,109

One-way

Tue, Aug 11

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Alaska Airlines, Inc.

$1,394

$863

One-way

Fri, Aug 14

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Alaska Airlines, Inc.

$1,435

$1,191

One-way

Sun, Aug 23

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Alaska Airlines, Inc.

$1,350

$996

One-way

Biggest price drops on these dates for flights from San Diego to Cardiff

7 nights

Aug 11 - Aug 18

$1,362 → $865

36%

4 nights

Sep 6 - Sep 10

$1,235 → $912

26%

6 nights

Aug 4 - Aug 10

$1,398 → $1,095

22%

5 nights

Sep 5 - Sep 10

$1,219 → $949

22%

Popular Airports to fly from San Diego to Cardiff

San Diego - Cardiff route insights

💸 Price insights

Recent fares are below the typical level at $995.

Recent fares from San Diego to Cardiff are below the typical level for this route.

📅 Best time to fly

July is historically the cheapest month to fly at $408.

Historically, July is the cheapest month to fly from San Diego to Cardiff, with a median price of $408.

⏱️ Flight duration

Connecting flights typically take 28h 44m.

Flights from San Diego to Cardiff typically involve connections, with a median duration of 28h 44m.

✈️ Airlines & availability

No direct flights. Connecting flights are available.

There are no direct flights available; connecting flights are the only option for this route.

🏆 Airline highlight

Alaska Airlines, Inc. has 5 connecting deals.

Alaska Airlines, Inc. offers 5 connecting deals, making it a frequent option for this route.

🎯 Booking tip

Deals appear regularly for this route.

Deals for flights from San Diego to Cardiff appear regularly, offering frequent opportunities to book.

San Diego main airports to depart from

McClellan–Palomar (CLD)

McClellan–Palomar Airport is an option for flights from San Diego to Cardiff.

📍 ~47 km from San Diego city center (reachable by car)

San Diego International (SAN)

San Diego International Airport is a convenient choice for flights from San Diego to Cardiff.

📍 ~3 km from San Diego city center (reachable by car)

Cardiff main airports to arrive at

Cardiff (CWL)

Cheapest

Cardiff Airport is a convenient arrival option for travelers heading to Cardiff and surrounding areas.

📍 ~15 km from Cardiff (reachable by car)

💸 Flights from ~$809

Airports nearby Cardiff used as alternative

Bristol (BRS)

Bristol Airport is a practical alternative for Cardiff travelers due to its proximity and European network.

📍 ~75 km from Cardiff (reachable by car or public transport)

💸 Flights from ~$781

Birmingham (BHX)

Birmingham Airport offers a wide range of global destinations and direct rail services to Cardiff.

📍 ~160 km from Cardiff (reachable by car or train)

💸 Flights from ~$758

Heathrow (LHR)

Cheapest

London Heathrow is the UK's premier global gateway with unmatched connectivity and frequent coach services.

📍 ~200 km from Cardiff (reachable by coach or train)

💸 Flights from ~$737

Exeter (EXT)

Exeter Airport can be useful for regional travel, offering a less crowded terminal experience.

📍 ~85 km from Cardiff (reachable by car)

💸 Flights from ~$832

Southampton (SOU)

Southampton Airport is useful for specific regional and European destinations with good rail links.

📍 ~140 km from Cardiff (reachable by car or train)

💸 Flights from ~$818

Business & First Class Flight Deals to Cardiff

Cardiff, United Kingdom

69% AI deal score

$5,284

From SAN

Elite

Aug 16

Cardiff, United Kingdom

69% AI deal score

$5,615

Frequently Asked Questions About Flights to Cardiff

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, typically several months out, can often lead to better prices. However, last-minute deals can sometimes appear, so it's wise to monitor fare trends. Prices may fluctuate based on demand and seasonality.

Yes, comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it may add to your ground travel time, the savings on airfare can be significant. Always check transportation costs from alternative airports.

Related routes

Consider alternative routes from San Diego

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