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

Currently, July is the cheapest month in which you can book a flight from San Diego to Cardiff (average of £169). Flying from San Diego 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 SAN to CWL?

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from San Diego 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.

£685+ Flights from San Diego to Cardiff

Cheap flight deals from San Diego to Cardiff

Round-trip from	£685

KLM
24/8-31/8
4 total stops
34h 24m total
San Diego to Cardiff

Search Deals

Find flight deals from San Diego to Cardiff

Cheapest flights from San Diego to Cardiff
Explore the most affordable flight options available from San Diego to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Sun 24/817:15SAN - CWL

2 stops15h 30mKLM

Sun 31/809:50CWL - SAN

2 stops18h 54mKLM

Deal found 10/7£685

Sun 24/806:15SAN - CWL

3 stops22h 30mMultiple Airlines

Sun 31/811:00CWL - SAN

3 stops38h 56mMultiple Airlines

Deal found 10/7£896

Best flights from San Diego to Cardiff
Discover carefully curated flight deals from San Diego to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 July 2025.

Sun 24/817:15SAN - CWL

2 stops15h 30mKLM

Sun 31/809:50CWL - SAN

2 stops18h 54mKLM

Deal found 10/7£685

Sun 24/806:15SAN - CWL

3 stops22h 30mMultiple Airlines

Sun 31/811:00CWL - SAN

3 stops38h 56mMultiple Airlines

Deal found 10/7£896

Last-minute flights from San Diego to Cardiff
Discover last-minute flight deals from San Diego to Cardiff. Data last updated 11 July 2025 and is based on user searches.

Sun 24/817:15SAN - CWL

2 stops15h 30mKLM

Sun 31/809:50CWL - SAN

2 stops18h 54mKLM

Deal found 10/7£685

Sun 24/806:15SAN - CWL

3 stops22h 30mMultiple Airlines

Sun 31/811:00CWL - SAN

3 stops38h 56mMultiple Airlines

Deal found 10/7£896

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Sun 24/8

17:15-16:45

2 stops15h 30m

Cardiff Wales

Sun 31/8

09:50-20:44

2 stops18h 54m

£685

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Sun 24/8

06:15-12:45

3 stops22h 30m

Cardiff Wales

Sun 31/8

11:00-17:56

3 stops38h 56m

£896

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Best time to book a flight from San Diego to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from San Diego 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 through reviews of airlines operating flights from San Diego to Cardiff, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,372 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

1,372 reviews

KLM

7.8

Good

1,372 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 Diego to Cardiff that include hotel bookings?
Yes. In addition to deals on San Diego to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Diego to Cardiff?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Cardiff.
Can I find deals for business class flights from San Diego to Cardiff?
Yes. Cheapflights offers flight deals from San Diego 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 Diego to Cardiff?
Currently, July is the cheapest month in which you can book a flight from San Diego to Cardiff (average of £169). Flying from San Diego 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

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Bridgend

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

Cheapflights helps you search for flights from San Diego to Cardiff via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Diego to Cardiff.

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

Certainly. Search results for flights to Cardiff from San Diego 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 Diego to Cardiff become cheaper?

Yes, Cheapflights offers price alerts on San Diego to Cardiff flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from San Diego to Cardiff from £685

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Diego to Cardiff

Round-trip from

Find flight deals from San Diego to Cardiff

Cheapest flights from San Diego to CardiffExplore the most affordable flight options available from San Diego to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from San Diego to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from San Diego to Cardiff

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

Reviews of airlines servicing Cardiff

Read through reviews of airlines operating flights from San Diego to Cardiff, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego 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 Diego to Cardiff that include hotel bookings?

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

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

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

Travelling to a place near San Diego?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Cardiff

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

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 Diego to Cardiff?

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

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

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

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Travel Smart

Cheapest flights from San Diego to Cardiff
Explore the most affordable flight options available from San Diego to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.