How do I get Price Alerts for flights from San Francisco to Cardiff?

Price Alerts will notify you by email when the price for flights to Cardiff from San Francisco decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from San Francisco to Cardiff with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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

Prices for flights from San Francisco Airport to Cardiff Wales Airport refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport 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.

£558 Cheap Flights from San Francisco to Cardiff in 2025/26

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Find the cheapest flights from San Francisco to Cardiff

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14:55 - 16:55

SFO

CWL

19h 00m1 stop

17:15 - 11:45

CWL

SFO

26h 30m1 stop

£585KLM

Mon, 23 Mar - Mon, 30 Mar

07:00 - 09:50

SFO

CWL

19h 50m2 stops

17:15 - 11:45

CWL

SFO

26h 30m1 stop

£588KLM

Mon, 23 Mar - Mon, 30 Mar

07:00 - 09:50

SFO

CWL

19h 50m2 stops

09:45 - 23:53

CWL

SFO

22h 08m2 stops

£618Multiple Airlines

Mon, 23 Mar - Mon, 30 Mar

13:55 - 16:55

SFO

CWL

19h 00m1 stop

17:25 - 17:49

CWL

SFO

32h 24m2 stops

£695KLM

Mon, 29 Dec - Tue, 6 Jan

13:55 - 16:55

SFO

CWL

19h 00m1 stop

17:25 - 11:50

CWL

SFO

26h 25m1 stop

£1,099KLM

Mon, 29 Dec - Tue, 6 Jan

13:55 - 16:55

SFO

CWL

19h 00m1 stop

17:25 - 17:43

CWL

SFO

32h 18m2 stops

£1,107KLM

Mon, 29 Dec - Tue, 6 Jan

15:40 - 16:55

SFO

CWL

17h 15m2 stops

10:20 - 23:04

CWL

SFO

20h 44m2 stops

£1,126KLM

Tue, 30 Dec - Wed, 7 Jan

15:40 - 16:55

SFO

CWL

17h 15m2 stops

17:25 - 17:49

CWL

SFO

32h 24m2 stops

£1,141KLM

Mon, 29 Dec - Tue, 6 Jan

09:15 - 09:50

SFO

CWL

17h 35m2 stops

10:20 - 22:59

CWL

SFO

19h 39m2 stops

£1,150Multiple Airlines

Wed, 25 Mar - Fri, 27 Mar

17:30 - 08:05

SFO

CWL

54h 35m2 stops

12:00 - 15:00

CWL

SFO

35h 00m2 stops

£1,195Aer Lingus

Mon, 5 Jan - Sat, 10 Jan

KLM flights from San Francisco to Cardiff

Our best KLM deals on San Francisco to Cardiff flight tickets

KLM

23 Mar

SFO14:55San Francisco

19h 00m

1 stop

CWL16:55Cardiff Wales

30 Mar

CWL17:15Cardiff Wales

26h 30m

1 stop

SFO11:45San Francisco

£585

Find similar

KLM

23 Mar

SFO07:00San Francisco

19h 50m

2 stops

CWL09:50Cardiff Wales

30 Mar

CWL17:15Cardiff Wales

26h 30m

1 stop

SFO11:45San Francisco

£588

Find similar

KLM

29 Dec

SFO13:55San Francisco

19h 00m

1 stop

CWL16:55Cardiff Wales

6 Jan

CWL17:25Cardiff Wales

32h 24m

2 stops

SFO17:49San Francisco

£695

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 23/3

14:55-16:55

1 stop19h 00m

Cardiff Wales

Mon 30/3

17:15-11:45

1 stop26h 30m

£585

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 23/3

07:00-09:50

2 stops19h 50m

Cardiff Wales

Mon 30/3

17:15-11:45

1 stop26h 30m

£588

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 23/3

07:00-09:50

2 stops19h 50m

Cardiff Wales

Mon 30/3

09:45-23:53

2 stops22h 08m

£618

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 29/12

13:55-16:55

1 stop19h 00m

Cardiff Wales

Tue 6/1

17:25-17:49

2 stops32h 24m

£695

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 29/12

13:55-16:55

1 stop19h 00m

Cardiff Wales

Tue 6/1

17:25-11:50

1 stop26h 25m

£1,099

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 29/12

13:55-16:55

1 stop19h 00m

Cardiff Wales

Tue 6/1

17:25-17:43

2 stops32h 18m

£1,107

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 30/12

15:40-16:55

2 stops17h 15m

Cardiff Wales

Wed 7/1

10:20-23:04

2 stops20h 44m

£1,126

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 29/12

15:40-16:55

2 stops17h 15m

Cardiff Wales

Tue 6/1

17:25-17:49

2 stops32h 24m

£1,141

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 25/3

09:15-09:50

2 stops17h 35m

Cardiff Wales

Fri 27/3

10:20-22:59

2 stops19h 39m

£1,150

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 5/1

17:30-08:05

2 stops54h 35m

Cardiff Wales

Sat 10/1

12:00-15:00

2 stops35h 00m

£1,195

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from San Francisco to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Cardiff according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap San Francisco to Cardiff (SFO to CWL) flight deals and tips

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

Fastest flight time	19h 00m
Direct flights	None

The fastest flight from San Francisco to Cardiff takes 19h 00m

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

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How far is San Francisco to Cardiff Wales by plane?
San Francisco and Cardiff Wales are 5259.0 mi apart from one another. A reasonable flight in good conditions will take 17h 15m.
When did momondo last update prices for flights from San Francisco Airport to Cardiff Wales Airport?
Prices for flights from San Francisco Airport to Cardiff Wales Airport refresh daily.
How old do you have to be to fly from San Francisco Airport to Cardiff Wales Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport 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.

How do I get Price Alerts for flights from San Francisco to Cardiff?
Price Alerts will notify you by email when the price for flights to Cardiff from San Francisco decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from San Francisco to Cardiff with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Barry

Bridgend

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cardiff from San Francisco.

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

Yes. momondo enables you to select and highlight flights to Cardiff from San Francisco with this policy.

How can momondo help me find flights from San Francisco to Cardiff?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cardiff from San Francisco.

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

Yes. momondo can track prices for San Francisco to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.