Cheap flights from California to Cardiff from £314

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — CWL
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from California to Cardiff

Keep the following information in mind while searching for California to Cardiff flight deals. Data was last updated 15 September 2025.

Round-trip from

£557

One-way from

£314

Popular in

June

Cheapest in

October

Average price

£779
KLM
  • KLM
  • 29/10-5/11
  • 4 total stops
  • 54h 11m total
  • California to Cardiff
23/9
  • 23/9
  • 3 total stops
  • 33h 40m total
  • California to Cardiff
Highest demand for flights based on searches. 30% potential increase in price (£318 potential increase over avg. return price).
Cheapest flight prices on average. 9% potential price decrease (£65 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from California to Cardiff

Cheapest flights from California to Cardiff
Explore the most affordable flight options available from California to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Wed 29/1006:35SJC - CWL
2 stops20h 15mKLM
Wed 5/1117:25CWL - SJC
2 stops33h 56mKLM
Deal found 14/9£557
Tue 28/1009:59LAX - CWL
2 stops23h 56mDelta
Tue 4/1110:20CWL - LAX
2 stops20h 10mDelta
Deal found 13/9£563
Tue 28/1006:20SJC - CWL
2 stops20h 30mKLM
Tue 4/1117:25CWL - SJC
2 stops30h 32mKLM
Deal found 13/9£563
Tue 28/1014:45LAX - CWL
1 stop19h 10mVirgin Atlantic
Tue 4/1117:25CWL - LAX
1 stop26h 20mVirgin Atlantic
Deal found 13/9£604
Wed 12/1112:46SNA - CWL
2 stops20h 09mDelta
Sun 16/1110:20CWL - SNA
2 stops39h 53mDelta
Deal found 14/9£630
Tue 28/1008:20LAX - CWL
2 stops18h 30mKLM
Tue 4/1117:25CWL - LAX
1 stop26h 20mKLM
Deal found 13/9£648
Tue 28/1014:45LAX - CWL
1 stop19h 10mMultiple Airlines
Tue 4/1110:20CWL - LAX
2 stops18h 59mMultiple Airlines
Deal found 12/9£666
Wed 12/1106:45SNA - CWL
2 stops26h 10mKLM
Sun 16/1117:30CWL - SNA
2 stops32h 52mKLM
Deal found 13/9£668
Fri 26/913:31SJC - CWL
2 stops19h 34mMultiple Airlines
Mon 29/917:15CWL - SJC
2 stops29h 30mMultiple Airlines
Deal found 13/9£683
Mon 29/1213:55SFO - CWL
1 stop19h 00mMultiple Airlines
Sat 10/110:20CWL - SFO
2 stops20h 27mMultiple Airlines
Deal found 14/9£708
Mon 29/1210:23SFO - CWL
2 stops22h 32mDelta
Sat 10/110:20CWL - SFO
2 stops23h 05mDelta
Deal found 14/9£711
Mon 29/1213:55SFO - CWL
1 stop19h 00mKLM
Tue 6/110:20CWL - SFO
1 stop33h 30mKLM
Deal found 15/9£750

Cheapflights Fare Finder

 
Customise your flight search to find flights from California 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 15 September 2025.
Use the filters below to find and compare flights from California to Cardiff that are best for you.

Fly from

California

Fly to

Cardiff

Route

Depart

Return

Price

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Wed 29/10

06:35-09:50

2 stops20h 15m

Cardiff Wales

Wed 5/11

17:25-19:21

2 stops33h 56m

£557

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles

Tue 28/10

09:59-16:55

2 stops23h 56m

Cardiff Wales

Tue 4/11

10:20-22:30

2 stops20h 10m

£563

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Tue 28/10

06:20-09:50

2 stops20h 30m

Cardiff Wales

Tue 4/11

17:25-15:57

2 stops30h 32m

£563

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles

Tue 28/10

14:45-16:55

1 stop19h 10m

Cardiff Wales

Tue 4/11

17:25-11:45

1 stop26h 20m

£604

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 26/2

13:55-16:55

1 stop19h 00m

Cardiff Wales

Mon 2/3

17:15-11:50

1 stop26h 35m

£608

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 26/2

06:00-09:50

2 stops19h 50m

Cardiff Wales

Mon 2/3

10:20-11:50

1 stop33h 30m

£612

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Thu 26/2

06:30-16:55

2 stops26h 25m

Cardiff Wales

Mon 2/3

10:20-16:31

2 stops38h 11m

£619

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles

Thu 26/2

13:45-16:55

1 stop19h 10m

Cardiff Wales

Mon 2/3

17:15-11:45

1 stop26h 30m

£624

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles

Thu 26/2

13:45-16:55

1 stop19h 10m

Cardiff Wales

Mon 2/3

10:20-11:45

1 stop33h 25m

£624

Santa AnaCardiff

SNA - CWL

SNACWL

Santa Ana J. Wayne/Orange Cnty

Wed 12/11

08:01-09:50

2 stops17h 49m

Cardiff Wales

Sun 16/11

10:20-20:14

2 stops41h 54m

£630

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 21 results
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Best time to book a flight from California to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from California 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.

Cheapflights Insights

Everything you need to know about your flight from California to Cardiff

What is the cheapest month to book a flight from California to Cardiff?

Currently, July is the cheapest month in which you can book a flight from California to Cardiff (average of £169). Flying from California to Cardiff in December is currently the most expensive (average of £263). 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.

Related info for your journey

Find useful and relevant information for your journey from California to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Cardiff from California?

    For a flight from California to Cardiff, you will be flying into Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city.

  • How long is the flight from California to Cardiff?

    There are many flights that can get you from California to Cardiff in 19h 10m. Fly via KLM, Delta, or Virgin Atlantic to get the fastest option. The distance from California to Cardiff is about 5349 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from California to Cardiff?

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

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

  • How can I find direct flights from California to Cardiff?

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

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

    Yes. Cheapflights offers flight deals from California 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.

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

    Currently, July is the cheapest month in which you can book a flight from California to Cardiff (average of £169). Flying from California to Cardiff in December is currently the most expensive (average of £263). 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

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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Alternative routes for California to Cardiff

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

Top airline flying from California to Cardiff

Discover the top airline that operate flights from California to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£601Average£608FlexibilityNo cancel feeOn-time75%
Search KLM flights

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How does Cheapflights help users find flights from California to Cardiff?

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

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from California to Cardiff, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for California to Cardiff flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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