£684 Find Cheap Flights from San Francisco to Cardiff – Compare and Save

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

Most connecting flights from San Francisco to Cardiff pass through Amsterdam Schiphol (AMS), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

On the San Francisco to Cardiff route, being flexible with your departure day can save you up to 36%. Sunday is the cheapest day at £550 return on average, while Thursday is the most expensive at £849 – a £298 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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.

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about £684 to £793. That means the highest observed fare was about 15% higher than the lowest one.

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

Cardiff Wales Airport (CWL) hosts 5 major car hire companies, with daily rates starting from around £11 for economy cars. Top options include:
• Alamo
• Budget
• Enterprise Rent-A-Car
• Avis
• National