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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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — CWL
12 Aug — 19 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Diego to Cardiff

Enter your travel dates to find the best prices.

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 13 July 2026.

Tue 22/913:40
SAN
-
CWL
1 stop19h 05m
KLM
Mon 28/917:15
CWL
-
SAN
1 stop26h 35m
KLM
Deal found 10/7£823
Wed 23/915:20
SAN
-
CWL
2 stops17h 25m
Delta
Tue 29/909:45
CWL
-
SAN
2 stops21h 49m
Delta
Deal found 9/7£833
Sun 23/806:15
SAN
-
CWL
2 stops26h 30m
Air France
Sun 30/809:50
CWL
-
SAN
2 stops21h 45m
Air France
Deal found 9/7£864
Sat 8/813:40
SAN
-
CWL
1 stop19h 05m
Air France
Fri 14/817:15
CWL
-
SAN
1 stop26h 35m
Air France
Deal found 9/7£918
Sat 8/815:30
SAN
-
CWL
2 stops17h 15m
Multiple Airlines
Fri 14/817:15
CWL
-
SAN
1 stop26h 35m
Multiple Airlines
Deal found 9/7£921
Sun 23/817:15
SAN
-
CWL
3 stops32h 00m
Multiple Airlines
Sun 30/817:15
CWL
-
SAN
3 stops35h 24m
Multiple Airlines
Deal found 9/7£1,147

Find flight deals from San Diego to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 July 2026.

Round-trip from

£823
KLM
  • KLM
  • 22/9-28/9
  • 2 total stops
  • 45h 40m total
  • San Diego to Cardiff
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Diego to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 July 2026.
Use the filters below to find and compare flights from San Diego to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 22/9

13:40-16:45

1 stop19h 05m

Cardiff Wales

Mon 28/9

17:15-11:50

1 stop26h 35m

£823

San DiegoCardiff

SAN - CWL

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

£827
Fastest return journey

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Wed 23/9

15:20-16:45

2 stops17h 25m

Cardiff Wales

Tue 29/9

09:45-23:34

2 stops21h 49m

£833

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Wed 23/9

06:25-09:15

2 stops18h 50m

Cardiff Wales

Tue 29/9

17:15-15:56

2 stops30h 41m

£833

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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.
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

Find useful and relevant information for your journey from San Diego to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Diego to Cardiff?

    A quick flight from San Diego to Cardiff can take about 19h 05m. KLM provides one of the quickest options available for as low as £823. The distance from San Diego to Cardiff is about 5376 mi.

  • 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.

See more FAQs

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

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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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