$1,577 Cheap Flights from Cardiff (CWL) to San Jose (SJC)

View $1,577 flight on Sun, Oct 12, 2025Opens in a new window

Popular airlines from Cardiff International Airport (CWL) to Norman Y. Mineta San Jose Intl. Airport (SJC)

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Cheap Flights from Cardiff to San Jose (CWL-SJC)

Prices were available within the past 7 days and start at $1,577 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Cardiff (CWL) to San Jose (SJC)
Origin airport
Cardiff Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Distance
5270 mi

Cardiff to San Jose Flights

The cheapest times to fly from Cardiff to San Jose

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cardiff to San Jose are during the month of . You can find some of the cheapest flights from Cardiff to San Jose with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cardiff to San Jose

Sunday is one of the best days to book for cheap flights from Cardiff to San Jose: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cardiff to San Jose

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cardiff to San Jose in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,577 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cardiff to San Jose flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cardiff to San Jose airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to Norman Y. Mineta San Jose Intl. Airport (SJC) cost?
Discover the latest flight deals from CWL to SJC by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CWL to SJC?
The cheapest flights from CWL to SJC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CWL to SJC?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CWL to SJC. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Cardiff Intl. Airport (CWL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Direct flights from Cardiff Intl. Airport (CWL) to Norman Y. Mineta San Jose Intl. Airport (SJC) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CWL to SJC?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cardiff Intl. Airport (CWL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Book a flight from Cardiff Intl. Airport (CWL) to Norman Y. Mineta San Jose Intl. Airport (SJC) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to Norman Y. Mineta San Jose Intl. Airport (SJC) last-minute?
Last-minute bookings from CWL to SJC are generally more expensive. For the best prices, start looking for flights as soon as possible. That said, if you're flexible with your travel plans, you may find a cheap fare just before your departure.
Is it cheaper to book a CWL to SJC flight and hotel package?
Securing a CWL to SJC flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
If you booked your CWL to SJC flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.