Which airports can I use when flying from Cardiff to San Francisco?

Flights from Cardiff to San Francisco usually depart from Cardiff Wales (CWL) and arrive at San Francisco (SFO).

Can I save money by using flexible dates for flights from Cardiff to San Francisco?

On the Cardiff to San Francisco route, being flexible with your departure day can save you up to 35%. Saturday is the cheapest day at £802 return on average, while Thursday is the most expensive at £1,218 – a £417 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in San Francisco?

Some of the most popular sights in San Francisco are Union Square, Fisherman's Wharf, and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Do I need a passport to fly from Cardiff to San Francisco?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Cardiff to San Francisco changed much recently?

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £524 to £1,379. That means the highest observed fare was about 3x higher than the lowest one.

What is the time difference between Cardiff and San Francisco?

San Francisco is 8 hours behind Cardiff (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at San Francisco Airport (SFO)?

San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates starting from around £11 for economy cars. Top options include: • Thrifty • Europcar • Dollar • Hertz • Fox

Cheap Flights from Cardiff to San Francisco | KAYAK

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Cheapest return flight

£524

Typical prices: £745-£1,218

Air France, KLM

Sun 7/10Sun 14/10

CWL - SFO • 1 stop

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Flight Deals

Cheap Flights from Cardiff to San Francisco (CWL-SFO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Cardiff to San Francisco

Wed, 7 Oct - Wed, 14 Oct

17:15 - 11:45CWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

13:45 - 09:15SFO San Francisco-CWL Cardiff Wales

35h 30m1 stop Amsterdam Schiphol

£524Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

17:15 - 11:45CWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

07:00 - 09:15SFO San Francisco-CWL Cardiff Wales

18h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£525Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

17:15 - 11:45CWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

07:00 - 09:15SFO San Francisco-CWL Cardiff Wales

18h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£526Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

09:45 - 22:38CWL Cardiff Wales-SFO San Francisco

20h 53m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

07:00 - 09:15SFO San Francisco-CWL Cardiff Wales

18h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£531Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

09:45 - 23:56CWL Cardiff Wales-SFO San Francisco

22h 11m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

07:00 - 09:15SFO San Francisco-CWL Cardiff Wales

18h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£533Multiple Airlines

Wed, 21 Oct - Sat, 24 Oct

17:15 - 11:45CWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

14:15 - 18:00SFO San Francisco-CWL Cardiff Wales

43h 45m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

£545KLM

Wed, 7 Oct - Wed, 14 Oct

17:15 - 11:45CWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

13:45 - 09:15SFO San Francisco-CWL Cardiff Wales

35h 30m1 stop Amsterdam Schiphol

£584Virgin Atlantic

Sat, 24 Oct - Sat, 31 Oct

09:45 - 21:55CWL Cardiff Wales-SFO San Francisco

20h 10m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

14:50 - 17:00SFO San Francisco-CWL Cardiff Wales

19h 10m1 stop Amsterdam Schiphol

£625Delta

Sat, 24 Oct - Sat, 31 Oct

07:30 - 15:55CWL Cardiff Wales-SFO San Francisco

16h 25m1 stop Dublin

18:20 - 13:55SFO San Francisco-CWL Cardiff Wales

12h 35m1 stop Dublin

£692Multiple Airlines

Thu, 1 Oct - Thu, 8 Oct

17:15 - 11:45CWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

13:45 - 16:45SFO San Francisco-CWL Cardiff Wales

19h 00m1 stop Amsterdam Schiphol

£697Virgin Atlantic

Booking Insights

Price, demand, and travel trends for Cardiff to San Francisco flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Cardiff to San Francisco with more confidence.

What is the cheapest airline to fly from Cardiff to San Francisco?

KLM (£545) and Virgin Atlantic (£584) are the cheapest airlines to fly return from Cardiff to San Francisco according to KAYAK data over the last 5 days.

Find deals

When to book flights from Cardiff to San Francisco

Are your dates flexible? Find out the best times to travel from Cardiff to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Cardiff to San Francisco?
Flights from Cardiff to San Francisco usually depart from Cardiff Wales (CWL) and arrive at San Francisco (SFO).
Can I save money by using flexible dates for flights from Cardiff to San Francisco?
On the Cardiff to San Francisco route, being flexible with your departure day can save you up to 35%. Saturday is the cheapest day at £802 return on average, while Thursday is the most expensive at £1,218 – a £417 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in San Francisco?
Some of the most popular sights in San Francisco are Union Square, Fisherman's Wharf, and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.
Do I need a passport to fly from Cardiff to San Francisco?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Cardiff to San Francisco changed much recently?
Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £524 to £1,379. That means the highest observed fare was about 3x higher than the lowest one.
What is the time difference between Cardiff and San Francisco?
San Francisco is 8 hours behind Cardiff (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.
Which car hire options are available at San Francisco Airport (SFO)?
San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates starting from around £11 for economy cars. Top options include:
• Thrifty
• Europcar
• Dollar
• Hertz
• Fox

If your dates are flexible, aim for a Saturday departure instead of Thursday. On this route, Saturday flights average £802 – about £417 less than Thursday (34% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.
- Grand Hyatt At Sfo

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Everything you should know

Cheap Flights from Cardiff to San Francisco (CWL-SFO)

Recent return flight deals from Cardiff to San Francisco

Recent one-way flight deals from Cardiff to San Francisco

Recent last minute flight deals from Cardiff to San Francisco

Price, demand, and travel trends for Cardiff to San Francisco flights

What is the cheapest airline to fly from Cardiff to San Francisco?

When to book flights from Cardiff to San Francisco

Your Cardiff to San Francisco flight questions, answered

Your guide to booking Cardiff to San Francisco flights

More options for your flight from Cardiff to San Francisco

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