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.

£633 Cheap Flights from Cardiff to San Francisco in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Cardiff to San Francisco

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:20 - 11:45

CWL

SFO

33h 25m

1 stop

09:00 - 17:00

SFO

CWL

24h 00m

2 stops

£633Delta

Tue, 3 Nov - Wed, 11 Nov

10:20 - 22:39

CWL

SFO

20h 19m

2 stops

09:00 - 17:00

SFO

CWL

24h 00m

2 stops

£637Delta

Sat, 7 Nov - Wed, 11 Nov

22:10 - 21:55

CWL

SFO

31h 45m

3 stops

08:10 - 22:50

SFO

CWL

30h 40m

3 stops

£682Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

17:15 - 11:45

CWL

SFO

26h 30m

1 stop

13:45 - 16:45

SFO

CWL

19h 00m

1 stop

£701KLM

Thu, 13 Aug - Wed, 19 Aug

09:45 - 11:45

CWL

SFO

34h 00m

1 stop

07:00 - 09:15

SFO

CWL

18h 15m

2 stops

£707Multiple Airlines

Thu, 13 Aug - Wed, 19 Aug

09:45 - 23:58

CWL

SFO

22h 13m

2 stops

07:00 - 09:15

SFO

CWL

18h 15m

2 stops

£713Multiple Airlines

Thu, 13 Aug - Wed, 19 Aug

22:10 - 21:55

CWL

SFO

31h 45m

3 stops

17:35 - 22:50

SFO

CWL

21h 15m

1 stop

£733Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

22:10 - 21:55

CWL

SFO

31h 45m

3 stops

06:00 - 10:15

SFO

CWL

20h 15m

2 stops

£742Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

17:15 - 11:45

CWL

SFO

26h 30m

1 stop

13:45 - 16:45

SFO

CWL

19h 00m

1 stop

£750Air France

Sun, 9 Aug - Sun, 16 Aug

09:45 - 11:45

CWL

SFO

34h 00m

1 stop

13:45 - 17:05

SFO

CWL

19h 20m

1 stop

£752Delta

Wed, 29 Jul - Fri, 14 Aug

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Air France flights from Cardiff to San Francisco

Our best Air France deals on Cardiff to San Francisco flight tickets

Air France

9 Aug

CWL17:15Cardiff Wales

26h 30m

1 stop

SFO11:45San Francisco

16 Aug

SFO13:45San Francisco

19h 00m

1 stop

CWL16:45Cardiff Wales

£750

Air France

9 Aug

CWL17:15Cardiff Wales

26h 30m

1 stop

SFO11:45San Francisco

16 Aug

SFO13:45San Francisco

19h 00m

1 stop

CWL16:45Cardiff Wales

£799

Air France

10 Aug

CWL17:15Cardiff Wales

26h 30m

1 stop

SFO11:45San Francisco

17 Aug

SFO13:45San Francisco

19h 00m

1 stop

CWL16:45Cardiff Wales

£800

Virgin Atlantic flights from Cardiff to San Francisco

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

Virgin Atlantic

9 Aug

CWL17:15Cardiff Wales

30h 58m

2 stops

SFO16:13San Francisco

16 Aug

SFO08:00San Francisco

24h 45m

2 stops

CWL16:45Cardiff Wales

£780

Virgin Atlantic

9 Aug

CWL17:15Cardiff Wales

38h 42m

2 stops

SFO23:57San Francisco

16 Aug

SFO06:00San Francisco

26h 45m

2 stops

CWL16:45Cardiff Wales

£832

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Tue 3/11

10:20-11:45

1 stop33h 25m

San Francisco

Wed 11/11

09:00-17:00

2 stops24h 00m

£633

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 7/11

10:20-22:39

2 stops20h 19m

San Francisco

Wed 11/11

09:00-17:00

2 stops24h 00m

£637

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Mon 10/8

22:10-21:55

3 stops31h 45m

San Francisco

Mon 17/8

08:10-22:50

3 stops30h 40m

£682

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 13/8

17:15-11:45

1 stop26h 30m

San Francisco

Wed 19/8

13:45-16:45

1 stop19h 00m

£701

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 13/8

09:45-11:45

1 stop34h 00m

San Francisco

Wed 19/8

07:00-09:15

2 stops18h 15m

£707

Fastest return journey

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 13/8

09:45-23:58

2 stops22h 13m

San Francisco

Wed 19/8

07:00-09:15

2 stops18h 15m

£713

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Mon 10/8

22:10-21:55

3 stops31h 45m

San Francisco

Mon 17/8

17:35-22:50

1 stop21h 15m

£733

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Mon 10/8

22:10-21:55

3 stops31h 45m

San Francisco

Mon 17/8

06:00-10:15

2 stops20h 15m

£742

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sun 9/8

17:15-11:45

1 stop26h 30m

San Francisco

Sun 16/8

13:45-16:45

1 stop19h 00m

£750

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Wed 29/7

09:45-11:45

1 stop34h 00m

San Francisco

Fri 14/8

13:45-17:05

1 stop19h 20m

£752

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 and Delta are the most popular carriers operating from Cardiff Wales to San Francisco

Which airlines fly to San Francisco?

Aer Lingus, KLM and Virgin Atlantic are the top three most popular airlines that fly to San Francisco from Cardiff according to our data. Aer Lingus is the first choice among our users, with 48% 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.

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Frequently asked questions about flying from Cardiff to San Francisco

How far is Cardiff Wales to San Francisco by plane?
The straight-line distance from Cardiff Wales to San Francisco is 5259.3 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.

South San Francisco

Sunnyvale

Santa Cruz

Rohnert Park

Windsor

Belmont

Big Sur

Capitola

Sausalito

San Bruno

Woodland

Pacific Grove

Aptos

Newark

Mill Valley

Campbell

Palo Alto

Seaside

Roseville

Novato

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.