What is the cheapest month to book a flight from San Jose to Cardiff?

Currently, July is the cheapest month in which you can book a flight from San Jose to Cardiff (average of £169). Flying from San Jose to Cardiff in December is currently the most expensive (average of £263). 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.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from SJC to CWL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Jose to Cardiff as you normally would.

Can I find deals for flights from San Jose to Cardiff that include hotel bookings?

Yes. In addition to deals on San Jose to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from San Jose to Cardiff?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Cardiff.

Can I find deals for business class flights from San Jose to Cardiff?

Yes. Cheapflights offers flight deals from San Jose to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£369+ Flights from San Jose to Cardiff

Cheap flight deals from San Jose to Cardiff

Round-trip from	£614
One-way from	£369

KLM
11/8-18/8
4 total stops
54h 48m total
San Jose to Cardiff

Search Deals

11/7
3 total stops
54h 59m total
San Jose to Cardiff

Search Deals

Find flight deals from San Jose to Cardiff

Cheapest flights from San Jose to Cardiff
Explore the most affordable flight options available from San Jose to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Mon 11/814:30SJC - CWL

2 stops18h 15mKLM

Mon 18/817:15CWL - SJC

2 stops36h 33mKLM

Deal found 29/6£614

Sat 23/813:40SJC - CWL

2 stops19h 10mDelta

Wed 3/909:50CWL - SJC

2 stops20h 33mDelta

Deal found 28/6£709

Wed 9/706:30SJC - CWL

3 stops29h 15mMultiple Airlines

Sat 12/709:00CWL - SJC

3 stops22h 54mMultiple Airlines

Deal found 28/6£1,466

Best flights from San Jose to Cardiff
Discover carefully curated flight deals from San Jose to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 July 2025.

Mon 11/814:30SJC - CWL

2 stops18h 15mKLM

Mon 18/817:15CWL - SJC

2 stops36h 33mKLM

Deal found 29/6£614

Sat 23/813:40SJC - CWL

2 stops19h 10mDelta

Wed 3/909:50CWL - SJC

2 stops20h 33mDelta

Deal found 28/6£709

Last-minute flights from San Jose to Cardiff
Discover last-minute flight deals from San Jose to Cardiff. Data last updated 1 July 2025 and is based on user searches.

Sat 5/706:35SJC - CWL

2 stops18h 40mDelta

Sun 13/709:50CWL - SJC

2 stops19h 56mDelta

Deal found 29/6£1,463

Sat 5/706:20SJC - CWL

2 stops18h 55mKLM

Sun 6/717:20CWL - SJC

2 stops34h 31mKLM

Deal found 28/6£2,923

Wed 9/706:30SJC - CWL

3 stops29h 15mMultiple Airlines

Sat 12/709:00CWL - SJC

3 stops22h 54mMultiple Airlines

Deal found 28/6£1,466

Fri 11/716:59SJC - CWL

2 stops16h 06mKLM

Mon 14/717:15CWL - SJC

2 stops34h 36mKLM

Deal found 28/6£887

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Jose to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Mon 11/8

14:30-16:45

2 stops18h 15m

Cardiff Wales

Mon 18/8

17:15-21:48

2 stops36h 33m

£614

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Sat 23/8

13:40-16:50

2 stops19h 10m

Cardiff Wales

Wed 3/9

09:50-22:23

2 stops20h 33m

£709

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Fri 11/7

21:46-12:45

3 stops54h 59m

£369

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Fri 11/7

16:59-17:05

2 stops16h 06m

£471

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Best time to book a flight from San Jose to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from San Jose with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Cardiff

Read reviews from past customers who have flown with Delta and KLM from San Jose to Cardiff. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,973 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,366 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Can I find deals for flights from San Jose to Cardiff that include hotel bookings?
Yes. In addition to deals on San Jose to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Jose to Cardiff?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Cardiff.
Can I find deals for business class flights from San Jose to Cardiff?
Yes. Cheapflights offers flight deals from San Jose to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Jose to Cardiff?
Currently, July is the cheapest month in which you can book a flight from San Jose to Cardiff (average of £169). Flying from San Jose to Cardiff in December is currently the most expensive (average of £263). 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.

See more FAQs

Barry

Bridgend

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Jose to Cardiff

Other flights to Cardiff

Top airline flying from San Jose to Cardiff

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£594	Average£601	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

How does Cheapflights help users find flights from San Jose to Cardiff?

Deals for San Jose to Cardiff flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Jose to Cardiff?

Millions of users choose and trust Cheapflights to book the best flight deals from San Jose to Cardiff for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Jose to Cardiff with no change fees?

Certainly. Search results for flights to Cardiff from San Jose shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Jose to Cardiff become cheaper?

Of course! You can now track prices for flights from San Jose to Cardiff and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from San Jose to Cardiff from £369

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Jose to Cardiff

Round-trip from

One-way from

Find flight deals from San Jose to Cardiff

Cheapest flights from San Jose to CardiffExplore the most affordable flight options available from San Jose to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Explore the most affordable flight options available from San Jose to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Jose to Cardiff that are best for you.

Best time to book a flight from San Jose to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from San Jose with our price prediction graph.

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. 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 Cardiff. Reviews last updated 1 July 2025.

Read reviews from past customers who have flown with Delta and KLM from San Jose to Cardiff. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from San Jose to Cardiff that include hotel bookings?

How can I find direct flights from San Jose to Cardiff?

Can I find deals for business class flights from San Jose to Cardiff?

What is the cheapest month to book a flight from San Jose to Cardiff?

Travelling to a place near San Jose?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Jose to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from San Jose to Cardiff

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Jose to Cardiff?

Why should you use Cheapflights to find cheap flight tickets from San Jose to Cardiff?

Can Cheapflights find flights from San Jose to Cardiff with no change fees?

Can Cheapflights notify me if prices for flights from San Jose to Cardiff become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from San Jose to Cardiff
Explore the most affordable flight options available from San Jose to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.