Flight prices from Cardiff to San Francisco
Planning a trip from Cardiff to San Francisco and looking for the best fares? On Aviasurf you can find the latest prices for any day and choose the most convenient flight.
Climate in San Francisco and when to travel
The warmest month in San Francisco is September, with an average monthly air temperature of 16.1 °C; the coldest is January at 10.4 °C. July has the lowest average monthly precipitation, 2 mm.
Fare calendar for flights from Cardiff to San Francisco
Explore fare trends for flights Cardiff — San Francisco with our calendar. It helps you see ticket prices for each day of any month and optimize your travel budget. The tool makes finding the best deals even easier and more convenient.
General flight information from Cardiff to San Francisco
Straight-line distance between cities
8470 km
5263 miles
Time difference
7 hours
San Francisco is behind Cardiff
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Airports for flights from Cardiff to San Francisco
The Cardiff — San Francisco route is served by the following airports:
Airports in Cardiff
Airports in San Francisco
Flights from Cardiff to United States
Below are the most popular routes from Cardiff to United States at the lowest prices from airlines on different dates, with no commission.
KLM
KL 1094
17:30
Cardiff (CWL)
20.11.2026
CWL
ORD
29h 50m
with 2
17:20
Chicago (ORD)
21.11.2026
from $1,032
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Frequently asked questions about flights from Cardiff to San Francisco
How long is the flight from Cardiff to San Francisco?
Flight time from Cardiff to San Francisco depends on whether the route is direct or has connections. Use our flight search to see exact timings for all available options.
Are there direct flights from Cardiff to San Francisco?
The schedule data currently available to us does not show a nonstop flight from Cardiff to San Francisco. Other routings may be available — use our search to check options for your dates.
How much is a round-trip ticket Cardiff — San Francisco?
Round-trip fares from Cardiff to San Francisco can vary widely depending on season, booking time, airline, and cabin class. We recommend using our flight search for the most accurate pricing.
What are the carry-on baggage rules for flights from Cardiff to San Francisco?
Carry-on rules for flights from Cardiff to San Francisco vary by airline. Typically passengers can bring one carry-on bag and one personal item such as a laptop bag or handbag. Weight and size limits usually are around 7–10 kg and 55x40x20 cm. Liquids and some items have additional security rules. Always check the specific airline policy before you fly.
What are the rules for traveling with pets on flights from Cardiff to San Francisco?
Pet transport rules vary by airline. Generally pets must be in approved carriers. Some airlines allow small pets in the cabin, while larger pets must travel in the cargo hold. Health documents and certificates are required. Please confirm all requirements with your chosen airline.
How early should I arrive at the airport for a flight from Cardiff to San Francisco?
Arrive early — typically 2–3 hours before international flights and 1–2 hours before domestic flights. This allows time for check‑in, baggage drop, and security. Peak periods or certain destinations may require extra time.
What additional fees can occur when booking a ticket from Cardiff to San Francisco?
Additional fees can include seat selection, extra or special baggage, onboard meals, ticket changes or cancellations, early or late check‑in, and insurance. We do not add booking fees, but extra charges depend on the airline and fare rules.
Are there discounts or promotions for flights from Cardiff to San Francisco?
Discounts and promotions vary by airline and booking period. Many airlines run deals outside peak seasons or for early bookings. Check our site regularly for the latest offers, as availability can change quickly.
Are there night flights from Cardiff to San Francisco?
Night flight availability from Cardiff to San Francisco can vary by airline and season. Use our search to see current schedules and departure times.
Are there Wi‑Fi flights on the Cardiff - San Francisco route?
Wi‑Fi availability on Cardiff - San Francisco flights varies by airline and aircraft. Check details with specific airlines or use our search to see current options.
What are the most common transfer options on flights from Cardiff to San Francisco?
Transfer options from Cardiff to San Francisco vary by airline and route. Some flights are direct while others include one or more connections. Use our search for accurate options.
What onboard services are provided on Cardiff - San Francisco flights?
Onboard services vary by airline. Typically passengers can expect entertainment, meals, and beverages, and some carriers offer Wi‑Fi or additional amenities. Check with the airline or use our search for details.
Which airports serve the Cardiff - San Francisco route?
The Cardiff - San Francisco route is usually served by these departure airports: Cardiff Airport. Arrival is usually through these airports: San Francisco International Airport. Exact airport combinations depend on the airline and selected flight. Use our search for details.
What aircraft fly the Cardiff - San Francisco route?
Aircraft types on the Cardiff - San Francisco route vary by airline. Carriers may use narrow‑body or wide‑body aircraft depending on the flight. Check with the airline or use our search for details.
Which connecting cities are common on the Cardiff - San Francisco route?
Connecting cities on the Cardiff - San Francisco route can vary by airline and schedule. Many major hubs may be used. Use our search or check with airlines for current options.
