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.

£374+ Cheap Flights from San Jose to Cardiff

Cheap flight deals from San Jose to Cardiff

Round-trip from	£808
One-way from	£374

KLM
28/8-31/8
4 total stops
39h 18m total
San Jose to Cardiff

Search Deals

KLM
25/8
2 total stops
18h 45m 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 15 August 2025.

Fri 15/817:01SJC - CWL

2 stops16h 04mKLM

Mon 18/817:15CWL - SJC

2 stops34h 32mKLM

Deal found 13/8£701

Thu 28/806:25SJC - CWL

2 stops18h 50mKLM

Sun 31/809:50CWL - SJC

2 stops20h 28mKLM

Deal found 14/8£808

Tue 26/813:40SJC - CWL

2 stops19h 05mKLM

Fri 29/809:50CWL - SJC

2 stops18h 47mKLM

Deal found 13/8£1,512

Wed 27/811:14SJC - CWL

2 stops21h 31mDelta

Sat 30/809:45CWL - SJC

2 stops18h 52mDelta

Deal found 14/8£1,549

Wed 27/806:00SJC - CWL

3 stops29h 45mMultiple Airlines

Sat 30/809:00CWL - SJC

3 stops21h 30mMultiple Airlines

Deal found 14/8£1,652

Thu 14/806:30SJC - CWL

2 stops18h 45mKLM

Fri 15/817:15CWL - SJC

2 stops34h 43mKLM

Deal found 13/8£1,764

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 15 August 2025.

Thu 28/806:25SJC - CWL

2 stops18h 50mKLM

Sun 31/809:50CWL - SJC

2 stops20h 28mKLM

Deal found 14/8£808

Wed 27/811:14SJC - CWL

2 stops21h 31mDelta

Sat 30/809:45CWL - SJC

2 stops18h 52mDelta

Deal found 14/8£1,549

Wed 27/806:00SJC - CWL

3 stops29h 45mMultiple Airlines

Sat 30/809:00CWL - SJC

3 stops21h 30mMultiple Airlines

Deal found 14/8£1,652

Tue 26/813:40SJC - CWL

2 stops19h 05mKLM

Fri 29/809:50CWL - SJC

2 stops18h 47mKLM

Deal found 13/8£1,512

Last-minute flights from San Jose to Cardiff
Discover last-minute flight deals from San Jose to Cardiff. Data last updated 15 August 2025 and is based on user searches.

Thu 14/806:30SJC - CWL

2 stops18h 45mKLM

Fri 15/817:15CWL - SJC

2 stops34h 43mKLM

Deal found 13/8£1,764

Fri 15/817:01SJC - CWL

2 stops16h 04mKLM

Mon 18/817:15CWL - SJC

2 stops34h 32mKLM

Deal found 13/8£701

Tue 26/813:40SJC - CWL

2 stops19h 05mKLM

Fri 29/809:50CWL - SJC

2 stops18h 47mKLM

Deal found 13/8£1,512

Wed 27/811:14SJC - CWL

2 stops21h 31mDelta

Sat 30/809:45CWL - SJC

2 stops18h 52mDelta

Deal found 14/8£1,549

Wed 27/806:00SJC - CWL

3 stops29h 45mMultiple Airlines

Sat 30/809:00CWL - SJC

3 stops21h 30mMultiple Airlines

Deal found 14/8£1,652

Thu 28/806:25SJC - CWL

2 stops18h 50mKLM

Sun 31/809:50CWL - SJC

2 stops20h 28mKLM

Deal found 14/8£808

Fly from

Fly to

Route

Depart

Return

Price

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Thu 28/8

06:25-09:15

2 stops18h 50m

Cardiff Wales

Sun 31/8

09:50-22:18

2 stops20h 28m

£808

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Tue 26/8

13:40-16:45

2 stops19h 05m

Cardiff Wales

Fri 29/8

09:50-20:37

2 stops18h 47m

£1,512

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Wed 27/8

11:14-16:45

2 stops21h 31m

Cardiff Wales

Sat 30/8

09:45-20:37

2 stops18h 52m

£1,549

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Wed 27/8

06:00-19:45

3 stops29h 45m

Cardiff Wales

Sat 30/8

09:00-22:30

3 stops21h 30m

£1,652

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Mon 25/8

06:30-09:15

2 stops18h 45m

£374

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Mon 25/8

13:00-07:55

3 stops34h 55m

£459

Flights are sorted by cheapest return flights first.

Deals found on 13/8

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 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

1,384 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,384 reviews

KLM

7.8

Good

1,384 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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£601	Average£608	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.

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Cheap flights from San Jose to Cardiff from £374

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 25/8. 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 15 August 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 15 August 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

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

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 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.

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 15 August 2025.