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.

£626 Cheap Flights from San Francisco to Cardiff in 2026

1 adult

0 bags

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Find the cheapest flights from San Francisco to Cardiff

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

18:20 - 23:05

SFO

CWL

20h 45m

1 stop

21:55 - 15:35

CWL

SFO

25h 40m

1 stop

£729Multiple Airlines

Sun, 1 Mar - Thu, 5 Mar

18:20 - 23:05

SFO

CWL

20h 45m

1 stop

21:55 - 22:01

CWL

SFO

32h 06m

2 stops

£758Multiple Airlines

Sun, 1 Mar - Thu, 5 Mar

05:45 - 09:50

SFO

CWL

20h 05m

2 stops

10:20 - 21:11

CWL

SFO

18h 51m

2 stops

£831Delta

Sun, 1 Mar - Thu, 5 Mar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 1/3

18:20-23:05

1 stop20h 45m

Cardiff Wales

Thu 5/3

21:55-15:35

1 stop25h 40m

£729

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 1/3

18:20-23:05

1 stop20h 45m

Cardiff Wales

Thu 5/3

21:55-22:01

2 stops32h 06m

£758

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 1/3

05:45-09:50

2 stops20h 05m

Cardiff Wales

Thu 5/3

10:20-21:11

2 stops18h 51m

£831

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 3/4

16:35-11:30

2 stops34h 55m

£626

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 14/2

16:40-16:00

3 stops39h 20m

£1,025

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 14/2

16:40-16:00

2 stops39h 20m

£1,031

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 14/2

13:55-16:50

1 stop18h 55m

£1,210

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from San Francisco 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

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

Aer Lingus and KLM are the most popular carriers operating from San Francisco to Cardiff Wales

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	20h 45m
Direct flights	None

The fastest flight from San Francisco to Cardiff takes 20h 45m

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 20h 45m.
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.

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.