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$1,485+ Cheap flights from Cardiff (CWL) to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SAN
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Find flight deals from Cardiff to San Diego

One-way flights from Cardiff to San Diego
Search for one-way flight options from Cardiff to San Diego. Find affordable one-way fares based on user searches. Data last updated September 14, 2025.

This Ovago deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:00 pmCWL - SAN
2 stops38h 00mBritish Airways
Deal found 9/13$1,485

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cardiff to San Diego 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 2,558,603 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Cardiff to San Diego that are best for you.

Fly from

Cardiff

Fly to

San Diego

Route

Depart

Return

Price

CardiffSan Diego

CWL - SAN

CWLSAN

Cardiff Wales

Thu 10/9

12:00 pm-6:00 pm

2 stops38h 00m

$1,485

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Cardiff to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Cardiff with our price prediction graph.
Estimated round-trip 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 Cardiff to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Cardiff to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Cardiff to San Diego (average of $286). Flying from Cardiff to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

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