Cheap flights from Cardiff to San Francisco Bay Area from £643
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Cardiff to San Francisco Bay Area
Keep the following information in mind while searching for Cardiff to San Francisco Bay Area flight deals. Data was last updated 5 April 2025.
Find flight deals from Cardiff to San Francisco Bay Area
Cheapest flights from Cardiff to San Francisco Bay AreaExplore the most affordable flight options available from Cardiff to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 April 2025.
Explore the most affordable flight options available from Cardiff to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Cardiff to San Francisco Bay Area that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 April 2025.
Use the filters below to find and compare flights from Cardiff to San Francisco Bay Area that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
CardiffSan Jose
CWL - SJC
CWLSJC
Cardiff Wales
Wed 1/10
09:50-21:00
2 stops19h 10m
San Jose
Sun 5/10
11:33-16:45
2 stops21h 12m
Best time to book a flight from Cardiff to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Cardiff with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Cardiff to San Francisco Bay Area
What is the cheapest month to book a flight from Cardiff to San Francisco Bay Area?
Currently, February is the cheapest month in which you can book a flight from Cardiff to San Francisco Bay Area (average of £538). Flying from Cardiff to San Francisco Bay Area in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Rainfall in San Francisco Bay Area by month
Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 mm.
Temperature in San Francisco Bay Area by month
Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).
Reviews of airlines servicing San Francisco Bay Area
Get insights into the airlines that provide service to San Francisco Bay Area. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco Bay Area. Reviews last updated 5 April 2025.
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
K,Aug 2024
LHR - MIA
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
K,Aug 2024
LHR - MIA
Related info for your journey
Find useful and relevant information for your journey from Cardiff to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Cardiff to San Francisco Bay Area
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Cardiff to San Francisco Bay Area?
Cheapflights makes it easy to find Cardiff to San Francisco Bay Area flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Cardiff to San Francisco Bay Area?
Cheapflights simply makes it quick and affordable to book flights from Cardiff to San Francisco Bay Area by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Cardiff to San Francisco Bay Area with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Cardiff to San Francisco Bay Area, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Cardiff to San Francisco Bay Area become cheaper?
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