Cheap flights from Cardiff to San Diego

from as little as £1,532

5 nights in San Diego, departing Cardiff on 21 / Apr / 2025 with KLM (price found 64 hours ago)

Subject to availability, prices correct of the last 24 hours
San Diego

The Cardiff / San Diego route

All 8664 km of it

Cheap flight deals for this route

See what's hot at the moment

No deals available at this time.

San Diego flight facts

What you need to know

Alternative flights from the UK to San Diego

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San Diego

21 / Apr / 2025 is currently the lowest priced day of the year to fly the Cardiff/San Diego route. There are around 40 flights on any given week from the UK to San Diego and the cheapest month to fly right now is April.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

9 °C

AVG

17 °C

HIGHEST

25 °C

Rainfall (mm)
LOWEST

0 mm

AVG

21.5 mm

HIGHEST

52 mm

Key facts about San Diego

How to get cheap flights from Cardiff to San Diego

Tips and advice from our flight experts

You’ve searched for flights from Cardiff to San Diego. We've gone through all 40 flights that go to or via San Diego every week, to help you find the cheapest flight. Virgin Atlantic usually has the best-value flights from Cardiff, but make sure you compare all your options to get the cheapest flight possible.

When you fly from Cardiff to San Diego, you'll have two airlines to choose from for your 8664 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.

Virgin Atlantic & KLM are the most popular airlines for flying from Cardiff to San Diego, so look out for their deals and offers. To find the best price, try searching by month. Or, if you want to bag a last-minute offer, keep an eye on Netflights to monitor the prices.

It takes about 18 hrs 20 mins to fly from Cardiff to San Diego. Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your hotel or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.

Other popular destinations near San Diego

Where other people are flying to

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