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Cheap flights from San Jose, California to Cardiff from £302

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — CWL
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Jose to Cardiff

Enter your travel dates to find the best prices.

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 7 May 2026.

Wed 20/509:40
SJC
-
CWL
2 stops23h 05m
Delta
Sat 23/509:45
CWL
-
SJC
2 stops18h 53m
Delta
Deal found 7/5£1,175
Wed 17/606:35
SJC
-
CWL
2 stops18h 40m
KLM
Wed 24/617:15
CWL
-
SJC
2 stops31h 49m
KLM
Deal found 3/5£1,250
Thu 18/609:54
SJC
-
CWL
3 stops28h 26m
Multiple Airlines
Thu 25/611:35
CWL
-
SJC
3 stops34h 36m
Multiple Airlines
Deal found 4/5£1,535

Find flight deals from San Jose to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 May 2026.

Round-trip from

£1,175

One-way from

£302
18/6-25/6
  • 18/6-25/6
  • 4 total stops
  • 78h 20m total
  • San Jose to Cardiff
Search Deals
KLM
  • KLM
  • 21/9
  • 2 total stops
  • 19h 30m total
  • San Jose to Cardiff
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Jose to Cardiff 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 7 May 2026.
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

Cheapest return flight

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Thu 18/6

06:01-10:15

2 stops44h 14m

Cardiff Wales

Thu 25/6

11:35-13:41

2 stops34h 06m

£1,175
Fastest return journey

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Wed 20/5

09:40-16:45

2 stops23h 05m

Cardiff Wales

Sat 23/5

09:45-20:38

2 stops18h 53m

£1,175

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Wed 17/6

06:35-09:15

2 stops18h 40m

Cardiff Wales

Wed 24/6

17:15-17:04

2 stops31h 49m

£1,250
Cheapest one-way
Fastest single journey

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Mon 21/9

13:15-16:45

2 stops19h 30m

£302

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Tue 22/9

07:15-16:45

2 stops25h 30m

£302

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Sun 20/9

13:50-09:15

2 stops35h 25m

£302

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Sun 20/9

09:10-21:45

3 stops28h 35m

£383

Flights are sorted by cheapest return flights first.

Deals found on 6/5

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.
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

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 7 May 2026.
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
1,511 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,511 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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.

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

    Airlines like Delta and KLM fly from San Jose, California to Cardiff in about 18h 40m. The time it takes to get you to your destination can typically vary by up to 4h 25m. 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

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from San Jose to Cardiff

Discover the top airline that operate flights from San Jose to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£564Average£607FlexibilityNo cancel feeOn-time75%
Search KLM flights

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?

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.

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