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

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

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

What documentation or ID do you need to fly to San Francisco Airport?

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£566 Cheap Flights from Cardiff to San Francisco in 2026

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 Cardiff to San Francisco

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:15 - 11:45

CWL

SFO

26h 30m

1 stop

13:45 - 09:15

SFO

CWL

35h 30m

1 stop

£651KLM

Tue, 5 May - Tue, 12 May

09:45 - 11:45

CWL

SFO

34h 00m

1 stop

13:35 - 16:45

SFO

CWL

19h 10m

2 stops

£654KLM

Tue, 5 May - Tue, 12 May

09:45 - 23:21

CWL

SFO

21h 36m

2 stops

06:15 - 09:15

SFO

CWL

19h 00m

2 stops

£660KLM

Wed, 6 May - Wed, 13 May

09:45 - 22:26

CWL

SFO

20h 41m

2 stops

13:35 - 16:45

SFO

CWL

19h 10m

2 stops

£661KLM

Tue, 5 May - Tue, 12 May

17:15 - 11:45

CWL

SFO

26h 30m

1 stop

22:00 - 09:15

SFO

CWL

27h 15m

2 stops

£669KLM

Sun, 3 May - Sun, 10 May

17:15 - 22:49

CWL

SFO

37h 34m

2 stops

17:00 - 09:15

SFO

CWL

56h 15m

2 stops

£675Virgin Atlantic

Sun, 19 Apr - Sun, 26 Apr

09:45 - 23:21

CWL

SFO

21h 36m

2 stops

13:45 - 09:15

SFO

CWL

35h 30m

1 stop

£677KLM

Wed, 6 May - Wed, 13 May

09:50 - 11:45

CWL

SFO

33h 55m

1 stop

13:45 - 09:15

SFO

CWL

35h 30m

1 stop

£678KLM

Sun, 3 May - Sun, 10 May

17:15 - 11:45

CWL

SFO

26h 30m

1 stop

13:45 - 09:15

SFO

CWL

35h 30m

1 stop

£680KLM

Sun, 19 Apr - Sun, 26 Apr

09:50 - 11:45

CWL

SFO

33h 55m

1 stop

17:00 - 16:45

SFO

CWL

15h 45m

2 stops

£683KLM

Sun, 19 Apr - Sun, 26 Apr

KLM flights from Cardiff to San Francisco

Our best KLM deals on Cardiff to San Francisco flight tickets

KLM

5 May

CWL17:15Cardiff Wales

26h 30m

1 stop

SFO11:45San Francisco

12 May

SFO13:45San Francisco

35h 30m

1 stop

CWL09:15Cardiff Wales

£651

KLM

5 May

CWL09:45Cardiff Wales

34h 00m

1 stop

SFO11:45San Francisco

12 May

SFO13:35San Francisco

19h 10m

2 stops

CWL16:45Cardiff Wales

£654

KLM

6 May

CWL09:45Cardiff Wales

21h 36m

2 stops

SFO23:21San Francisco

13 May

SFO06:15San Francisco

19h 00m

2 stops

CWL09:15Cardiff Wales

£660

Virgin Atlantic flights from Cardiff to San Francisco

Our best Virgin Atlantic deals on Cardiff to San Francisco flight tickets

Virgin Atlantic

19 Apr

CWL17:15Cardiff Wales

37h 34m

2 stops

SFO22:49San Francisco

26 Apr

SFO17:00San Francisco

56h 15m

2 stops

CWL09:15Cardiff Wales

£675

Virgin Atlantic

3 May

CWL09:50Cardiff Wales

45h 47m

2 stops

SFO23:37San Francisco

10 May

SFO23:59San Francisco

25h 16m

2 stops

CWL09:15Cardiff Wales

£687

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Tue 5/5

17:15-11:45

1 stop26h 30m

San Francisco

Tue 12/5

13:45-09:15

1 stop35h 30m

£651

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Tue 5/5

09:45-11:45

1 stop34h 00m

San Francisco

Tue 12/5

13:35-16:45

2 stops19h 10m

£654

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Wed 6/5

09:45-23:21

2 stops21h 36m

San Francisco

Wed 13/5

06:15-09:15

2 stops19h 00m

£660

Fastest return journey

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Tue 5/5

09:45-22:26

2 stops20h 41m

San Francisco

Tue 12/5

13:35-16:45

2 stops19h 10m

£661

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sun 3/5

17:15-11:45

1 stop26h 30m

San Francisco

Sun 10/5

22:00-09:15

2 stops27h 15m

£669

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sun 19/4

17:15-22:49

2 stops37h 34m

San Francisco

Sun 26/4

17:00-09:15

2 stops56h 15m

£675

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Wed 6/5

09:45-23:21

2 stops21h 36m

San Francisco

Wed 13/5

13:45-09:15

1 stop35h 30m

£677

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sun 3/5

09:50-11:45

1 stop33h 55m

San Francisco

Sun 10/5

13:45-09:15

1 stop35h 30m

£678

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sun 19/4

17:15-11:45

1 stop26h 30m

San Francisco

Sun 26/4

13:45-09:15

1 stop35h 30m

£680

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sun 19/4

09:50-11:45

1 stop33h 55m

San Francisco

Sun 26/4

17:00-16:45

2 stops15h 45m

£683

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cardiff to San Francisco

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 Cardiff Wales to San Francisco?

WestJet is the most popular carrier operating from Cardiff Wales to San Francisco

Which airlines fly to San Francisco?

KLM, Virgin Atlantic and Aer Lingus are the top three most popular airlines that fly to San Francisco from Cardiff according to our data. KLM is the first choice among our users, with 55% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

When to book flights from Cardiff to San Francisco

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

Estimated return price

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

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

Fastest flight time	26h 30m
Direct flights	None

The fastest flight from Cardiff to San Francisco takes 26h 30m

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

Search flight deals

How far is Cardiff Wales to San Francisco by plane?
The straight-line distance from Cardiff Wales to San Francisco is 5259.0 mi. Flights usually cover this in 26h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Cardiff Wales Airport to San Francisco Airport?
Prices for flights from Cardiff Wales Airport to San Francisco Airport refresh daily.
How old do you have to be to fly from Cardiff Wales Airport to San Francisco 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 Cardiff Wales Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Sunnyvale

Santa Clara

Seaside

Rohnert Park

Big Sur

Newark

Campbell

Palo Alto

South San Francisco

Capitola

Santa Cruz

Roseville

Novato

Sausalito

San Bruno

Woodland

Pacific Grove

Aptos

Daly City

Burlingame

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cardiff to San Francisco for you.

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

momondo does allow users to show only those flights to San Francisco from Cardiff which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Cardiff and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Cardiff and alert you when they change.