How long is the flight from San Jose, California to Cardiff?

Airlines like KLM and Delta fly from San Jose, California to Cardiff in about 18h 04m. The time it takes to get you to your destination can typically vary by up to 3h 03m. There are 5268 mi between San Jose, California and Cardiff. This flight may include one or multiple stops.

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, California 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.

£420+ Cheap Flights from San Jose, California to Cardiff

Cheap flight deals from San Jose to Cardiff

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 22 August 2026.

Mon 5/1014:41 -

2 stops18h 04m

Mon 12/1017:15 -

2 stops34h 37m

Deal found 21/8£763

Wed 2/906:10 -

2 stops19h 05m

Sat 5/909:45 -

2 stops21h 05m

Deal found 18/8£1,022

Sat 5/906:40 -

2 stops18h 35m

Tue 8/917:15 -

2 stops32h 31m

Deal found 22/8£1,029

Fri 4/906:10 -

2 stops19h 05m

Mon 7/917:15 -

2 stops31h 44m

Deal found 21/8£1,100

Tue 1/906:40 -

2 stops18h 35m

Fri 4/909:45 -

2 stops18h 28m

Deal found 18/8£1,126

Thu 3/906:40 -

2 stops18h 35m

Sun 6/909:50 -

2 stops41h 02m

Deal found 20/8£1,175

Thu 3/907:00 -

2 stops25h 45m

Sun 6/909:50 -

2 stops18h 23m

Deal found 20/8£1,337

Find flight deals from San Jose to Cardiff

Round-trip from	£763
One-way from	£420

KLM
5/10-12/10
4 total stops
52h 41m total
San Jose to Cardiff

Search Deals

Delta
2/9
2 total stops
19h 05m total
San Jose to Cardiff

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JoseCardiff

SJC San Jose - CWL Cardiff Wales

SJCCWL

San Jose

Mon 5/10

14:41-16:45

2 stops18h 04m

Cardiff Wales

Mon 12/10

17:15-19:52

2 stops34h 37m

£763

San JoseCardiff

SJC San Jose - CWL Cardiff Wales

SJCCWL

San Jose

Wed 2/9

06:10-09:15

2 stops19h 05m

Cardiff Wales

Sat 5/9

17:35-16:09

2 stops30h 34m

£1,028

San JoseCardiff

SJC San Jose - CWL Cardiff Wales

SJCCWL

San Jose

Sat 5/9

06:40-09:15

2 stops18h 35m

Cardiff Wales

Tue 8/9

17:15-17:46

2 stops32h 31m

£1,029

San JoseCardiff

SJC San Jose - CWL Cardiff Wales

SJCCWL

San Jose

Fri 4/9

06:10-09:15

2 stops19h 05m

Cardiff Wales

Mon 7/9

17:15-16:59

2 stops31h 44m

£1,100

Fastest return journey

San JoseCardiff

SJC San Jose - CWL Cardiff Wales

SJCCWL

San Jose

Tue 1/9

06:40-09:15

2 stops18h 35m

Cardiff Wales

Fri 4/9

09:45-20:13

2 stops18h 28m

£1,126

San JoseCardiff

SJC San Jose - CWL Cardiff Wales

SJCCWL

San Jose

Thu 3/9

07:00-16:45

2 stops25h 45m

Cardiff Wales

Sun 6/9

09:50-20:13

2 stops18h 23m

£1,337

Cheapest one-way

Fastest single journey

San JoseCardiff

SJC San Jose - CWL Cardiff Wales

SJCCWL

San Jose

Wed 2/9

06:10-09:15

2 stops19h 05m

£420

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Sorted by cheapest first

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.

SJC-CWL

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 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.

KLM

7.8

Good

1,562 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

KLM

7.8

Good

1,562 reviews

KLM

7.8

Good

1,562 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

How long is the flight from San Jose, California to Cardiff?
Airlines like KLM and Delta fly from San Jose, California to Cardiff in about 18h 04m. The time it takes to get you to your destination can typically vary by up to 3h 03m. There are 5268 mi between San Jose, California and Cardiff. This flight may include one or multiple stops.
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.

See more FAQs

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Barry

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Direct flights to Wales

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Popular flights

Top airline flying from San Jose to Cardiff

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£573	Average£797	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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?

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Cheap flights from San Jose, California to Cardiff from £420

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 2/9. 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

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 22 August 2026.

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 22 August 2026.

Best flights from San Jose to CardiffDiscover 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 22 August 2026.

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 22 August 2026.

Last-minute flights from San Jose to CardiffDiscover last-minute flight deals from San Jose to Cardiff. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from San Jose to Cardiff. Data last updated 22 August 2026 and is based on user searches.

One-way flights from San Jose to CardiffSearch for one-way flight options from San Jose to Cardiff. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from San Jose to Cardiff. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

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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

Read reviews from past customers who have flown with 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

How long is the flight from San Jose, California to Cardiff?

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?

Travelling to a place near Cardiff?

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.

Other flights to Cardiff

Explore flights to Cardiff departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 August 2026.

Complete your trip

Complete your trip to Cardiff by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Wales

Book a non-stop flight to one of these other cities located in Wales.

Search flights from San Jose to Cardiff by cabin class

Find flights from San Jose to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first class.

San Jose and Cardiff flights

Browse other San Jose and Cardiff flight options. Last updated on 22 August 2026.

Popular flight searches

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Top airline flying from San Jose to Cardiff

Fly with Cheapflights

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?

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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 22 August 2026.

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 22 August 2026.

Last-minute flights from San Jose to Cardiff
Discover last-minute flight deals from San Jose to Cardiff. Data last updated 22 August 2026 and is based on user searches.

One-way flights from San Jose to Cardiff
Search for one-way flight options from San Jose to Cardiff. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.