How long does it take to fly to Cardiff?

Flight times from California to Cardiff vary, but if you’re flying out of Los Angeles and flying into Cardiff (one of the most popular routes), then the duration is 17h 28m on average. Another popular route from California to Cardiff is flying from San Diego to Cardiff, which will take roughly 18h 50m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from California to Cardiff Wales?

KLM is the most popular carrier operating from California to Cardiff Wales

When did momondo last update prices for flights from California to Cardiff Wales Airport?

Prices for flights from California to Cardiff Wales Airport are updated daily.

How many operators does momondo search for flights from California to Cardiff Wales Airport?

As of January 2026, there is 1 operator available to choose from for flights from California to Cardiff Wales Airport.

How old do you have to be to fly from California to Cardiff Wales Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Cardiff Wales Airport.

What documentation or ID do you need to fly to Cardiff Wales Airport?

The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£255 Cheap Flights from California to Cardiff in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from California to Cardiff

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:45 - 16:45

SFO

CWL

19h 00m

1 stop

17:15 - 11:45

CWL

SFO

26h 30m

1 stop

£581KLM

Wed, 22 Apr - Thu, 30 Apr

13:45 - 16:45

SFO

CWL

19h 00m

1 stop

09:45 - 01:23

CWL

SFO

23h 38m

2 stops

£588KLM

Wed, 22 Apr - Thu, 30 Apr

11:00 - 16:45

SFO

CWL

21h 45m

2 stops

09:45 - 00:27

CWL

SFO

22h 42m

2 stops

£591Delta

Wed, 22 Apr - Thu, 30 Apr

18:05 - 10:15

LAX

CWL

32h 10m

2 stops

11:35 - 11:20

CWL

LAX

31h 45m

2 stops

£719WestJet

Thu, 4 Jun - Mon, 8 Jun

15:40 - 19:40

SFO

CWL

21h 00m

2 stops

22:25 - 13:40

CWL

SFO

22h 15m

2 stops

£736Multiple Airlines

Fri, 13 Mar - Fri, 20 Mar

14:55 - 16:55

SFO

CWL

19h 00m

1 stop

09:50 - 11:45

CWL

SFO

33h 55m

1 stop

£744KLM

Mon, 23 Mar - Sun, 29 Mar

14:55 - 16:55

SFO

CWL

19h 00m

1 stop

09:50 - 23:09

CWL

SFO

21h 19m

2 stops

£752Multiple Airlines

Mon, 23 Mar - Sun, 29 Mar

16:35 - 11:30

SFO

CWL

34h 55m

2 stops

12:00 - 13:50

CWL

SFO

33h 50m

2 stops

£802Aer Lingus

Tue, 21 Apr - Sat, 25 Apr

08:30 - 10:15

LAX

CWL

17h 45m

2 stops

11:35 - 21:55

CWL

LAX

18h 20m

2 stops

£846WestJet

Fri, 5 Jun - Mon, 8 Jun

06:20 - 16:55

SJC

CWL

26h 35m

2 stops

10:20 - 16:02

CWL

SJC

37h 42m

2 stops

£858Delta

Mon, 9 Feb - Thu, 12 Feb

KLM flights from California to Cardiff

Our best KLM deals on California to Cardiff flight tickets

KLM

22 Apr

SFO13:45San Francisco

19h 00m

1 stop

CWL16:45Cardiff Wales

30 Apr

CWL17:15Cardiff Wales

26h 30m

1 stop

SFO11:45San Francisco

£581

KLM

22 Apr

SFO13:45San Francisco

19h 00m

1 stop

CWL16:45Cardiff Wales

30 Apr

CWL09:45Cardiff Wales

23h 38m

2 stops

SFO01:23San Francisco

£588

KLM

23 Mar

SFO14:55San Francisco

19h 00m

1 stop

CWL16:55Cardiff Wales

29 Mar

CWL09:50Cardiff Wales

33h 55m

1 stop

SFO11:45San Francisco

£744

WestJet flights from California to Cardiff

Our best WestJet deals on California to Cardiff flight tickets

WestJet

4 Jun

LAX18:05Los Angeles

32h 10m

2 stops

CWL10:15Cardiff Wales

8 Jun

CWL11:35Cardiff Wales

31h 45m

2 stops

LAX11:20Los Angeles

£719

WestJet

5 Jun

LAX08:30Los Angeles

17h 45m

2 stops

CWL10:15Cardiff Wales

8 Jun

CWL11:35Cardiff Wales

18h 20m

2 stops

LAX21:55Los Angeles

£846

WestJet

26 Jun

SFO07:30San Francisco

18h 45m

2 stops

CWL10:15Cardiff Wales

4 Jul

CWL11:35Cardiff Wales

18h 37m

2 stops

SFO22:12San Francisco

£1,019

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 22/4

13:45-16:45

1 stop19h 00m

Cardiff Wales

Thu 30/4

17:15-11:45

1 stop26h 30m

£581

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 22/4

13:45-16:45

1 stop19h 00m

Cardiff Wales

Thu 30/4

09:45-01:23

2 stops23h 38m

£588

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 22/4

11:00-16:45

2 stops21h 45m

Cardiff Wales

Thu 30/4

09:45-00:27

2 stops22h 42m

£591

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles

Thu 4/6

18:05-10:15

2 stops32h 10m

Cardiff Wales

Mon 8/6

11:35-11:20

2 stops31h 45m

£719

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 13/3

15:40-19:40

2 stops21h 00m

Cardiff Wales

Fri 20/3

22:25-13:40

2 stops22h 15m

£736

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 23/3

14:55-16:55

1 stop19h 00m

Cardiff Wales

Sun 29/3

09:50-11:45

1 stop33h 55m

£744

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 23/3

14:55-16:55

1 stop19h 00m

Cardiff Wales

Sun 29/3

09:50-23:09

2 stops21h 19m

£752

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 21/4

16:35-11:30

2 stops34h 55m

Cardiff Wales

Sat 25/4

12:00-13:50

2 stops33h 50m

£802

Los AngelesCardiff

LAX - CWL

LAXCWL

Los Angeles

Fri 5/6

08:30-10:15

2 stops17h 45m

Cardiff Wales

Mon 8/6

11:35-21:55

2 stops18h 20m

£846

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Mon 9/2

06:20-16:55

2 stops26h 35m

Cardiff Wales

Thu 12/2

10:20-16:02

2 stops37h 42m

£858

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Cardiff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

Can stopping save me money on California to Cardiff flights?

You could potentially save up to 32% on your flight if you consider stops on a California to Cardiff flight.

Cheap California to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Cardiff

Fastest flight time	19h 00m
Direct flights	None

The fastest flight from California to Cardiff takes 19h 00m

There are no direct flights from California to Cardiff. There are no popular flight routes from California to Cardiff.

Search flight deals

When did momondo last update prices for flights from California to Cardiff Wales Airport?
Prices for flights from California to Cardiff Wales Airport are updated daily.
How many operators does momondo search for flights from California to Cardiff Wales Airport?
As of January 2026, there is 1 operator available to choose from for flights from California to Cardiff Wales Airport.
How old do you have to be to fly from California to Cardiff Wales Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Cardiff Wales Airport.
What documentation or ID do you need to fly to Cardiff Wales Airport?
The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Cardiff

Compare and see reviews for airlines that fly from California to Cardiff with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom £559	Free Cancellation	Rating 7.7 1,443 reviews		Search KLM flights

Barry

Bridgend

Why use momondo?

Why should I use momondo to find a flight deal from California to Cardiff?

It is quick and easy to find California to Cardiff flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cardiff that suits you.

Can I find flights from California to Cardiff with flexible booking policies on momondo?

Flights from California to Cardiff with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from California to Cardiff?

Once you have performed a search for California to Cardiff flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from California to Cardiff right now. Can momondo alert me if prices change?

If you are not ready to book a flight from California to Cardiff now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cardiff and let you know when they change.