How long is the flight from San Diego to Cardiff?

A quick flight from San Diego to Cardiff can take about 17h 15m. Delta provides one of the quickest options available for as low as £823. The distance from San Diego to Cardiff is about 5376 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from SAN to CWL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Cardiff as you normally would.

Can I find deals for flights from San Diego to Cardiff that include hotel bookings?

Yes. In addition to deals on San Diego to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from San Diego to Cardiff?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Cardiff.

Can I find deals for business class flights from San Diego to Cardiff?

Yes. Cheapflights offers flight deals from San Diego to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£823+ Cheap Flights from San Diego to Cardiff

Cheap flight deals from San Diego to Cardiff

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

Cheapest flights from San Diego to Cardiff
Explore the most affordable flight options available from San Diego to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Wed 7/1015:30 -

2 stops17h 15m

Wed 14/1009:45 -

2 stops22h 01m

Deal found 24/8£823

Tue 22/914:30 -

2 stops18h 15m

Mon 28/917:15 -

1 stop26h 35m

Deal found 24/8£848

Tue 22/910:54 -

2 stops21h 51m

Mon 28/909:45 -

2 stops20h 21m

Deal found 22/8£859

Tue 22/915:20 -

2 stops17h 25m

Mon 28/917:15 -

1 stop26h 35m

Deal found 26/8£882

Wed 23/906:25 -

2 stops18h 50m

Tue 29/909:45 -

2 stops20h 48m

Deal found 25/8£883

Wed 23/906:20 -

2 stops18h 55m

Tue 29/909:45 -

2 stops20h 48m

Deal found 22/8£957

Wed 7/1009:42 -

2 stops23h 03m

Wed 14/1017:15 -

1 stop26h 35m

Deal found 23/8£977

Find flight deals from San Diego to Cardiff

Round-trip from	£823

Delta
7/10-14/10
4 total stops
39h 16m total
San Diego to Cardiff

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoCardiff

SAN San Diego - CWL Cardiff Wales

SANCWL

San Diego

Wed 7/10

15:30-16:45

2 stops17h 15m

Cardiff Wales

Wed 14/10

09:45-23:46

2 stops22h 01m

£823

Fastest return journey

San DiegoCardiff

SAN San Diego - CWL Cardiff Wales

SANCWL

San Diego

Wed 23/9

06:25-09:15

2 stops18h 50m

Cardiff Wales

Tue 29/9

09:45-21:19

2 stops19h 34m

£823

San DiegoCardiff

SAN San Diego - CWL Cardiff Wales

SANCWL

San Diego

Tue 22/9

14:30-16:45

2 stops18h 15m

Cardiff Wales

Mon 28/9

17:15-11:50

1 stop26h 35m

£848

San DiegoCardiff

SAN San Diego - CWL Cardiff Wales

SANCWL

San Diego

Tue 22/9

10:54-16:45

2 stops21h 51m

Cardiff Wales

Mon 28/9

09:45-22:06

2 stops20h 21m

£859

San DiegoCardiff

SAN San Diego - CWL Cardiff Wales

SANCWL

San Diego

Tue 22/9

15:20-16:45

2 stops17h 25m

Cardiff Wales

Mon 28/9

17:15-11:50

1 stop26h 35m

£882

San DiegoCardiff

SAN San Diego - CWL Cardiff Wales

SANCWL

San Diego

Wed 23/9

06:25-09:15

2 stops18h 50m

Cardiff Wales

Tue 29/9

09:45-22:33

2 stops20h 48m

£883

San DiegoCardiff

SAN San Diego - CWL Cardiff Wales

SANCWL

San Diego

Wed 7/10

09:42-16:45

2 stops23h 03m

Cardiff Wales

Wed 14/10

17:15-11:50

1 stop26h 35m

£977

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Sorted by cheapest first

Best time to book a flight from San Diego to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from San Diego with our price prediction graph.

SAN-CWL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from San Diego to Cardiff?
A quick flight from San Diego to Cardiff can take about 17h 15m. Delta provides one of the quickest options available for as low as £823. The distance from San Diego to Cardiff is about 5376 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from San Diego to Cardiff that include hotel bookings?
Yes. In addition to deals on San Diego to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Diego to Cardiff?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Cardiff.
Can I find deals for business class flights from San Diego to Cardiff?
Yes. Cheapflights offers flight deals from San Diego to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights helps you search for flights from San Diego to Cardiff via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Cardiff?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Diego to Cardiff.

Can Cheapflights find flights from San Diego to Cardiff with no change fees?

Certainly. Search results for flights to Cardiff from San Diego shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Diego to Cardiff become cheaper?

Yes, Cheapflights offers price alerts on San Diego to Cardiff flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from San Diego to Cardiff from £823

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Diego to Cardiff

Cheapest flights from San Diego to CardiffExplore the most affordable flight options available from San Diego to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Explore the most affordable flight options available from San Diego to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Best flights from San Diego to CardiffDiscover carefully curated flight deals from San Diego to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Discover carefully curated flight deals from San Diego to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Last-minute flights from San Diego to CardiffDiscover last-minute flight deals from San Diego to Cardiff. Data last updated 26 August 2026 and is based on user searches.

Discover last-minute flight deals from San Diego to Cardiff. Data last updated 26 August 2026 and is based on user searches.

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Best time to book a flight from San Diego to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from San Diego with our price prediction graph.

Related info for your journey

How long is the flight from San Diego to Cardiff?

Can I find deals for flights from San Diego to Cardiff that include hotel bookings?

How can I find direct flights from San Diego to Cardiff?

Can I find deals for business class flights from San Diego to Cardiff?

Travelling to a place near Cardiff?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Cardiff

Explore flights to Cardiff departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 August 2026.

Complete your trip

Complete your trip to Cardiff by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Wales

Book a non-stop flight to one of these other cities located in Wales.

Search flights from San Diego to Cardiff by cabin class

Find flights from San Diego to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first class.

San Diego and Cardiff flights

Browse other San Diego and Cardiff flight options. Last updated on 26 August 2026.

Other flights from San Diego

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How does Cheapflights help users find flights from San Diego to Cardiff?

Why should you use Cheapflights to find cheap flight tickets from San Diego to Cardiff?

Can Cheapflights find flights from San Diego to Cardiff with no change fees?

Can Cheapflights notify me if prices for flights from San Diego to Cardiff become cheaper?

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Cheapest flights from San Diego to Cardiff
Explore the most affordable flight options available from San Diego to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Best flights from San Diego to Cardiff
Discover carefully curated flight deals from San Diego to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Last-minute flights from San Diego to Cardiff
Discover last-minute flight deals from San Diego to Cardiff. Data last updated 26 August 2026 and is based on user searches.