How do I get Price Alerts for flights from Cardiff to San Diego?

Confirm your travel details to search for the latest offers for flights from Cardiff to San Diego . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Cardiff to San Diego with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Cardiff Wales Airport to San Diego Airport?

Prices for flights from Cardiff Wales Airport to San Diego Airport are refreshed on a daily basis.

How old do you have to be to fly from Cardiff Wales Airport to San Diego Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£866 Cheap Flights from Cardiff to San Diego in 2026/27

Find the cheapest flights from Cardiff to San Diego

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

10:20 - 09:55CWL Cardiff Wales-SAN San Diego

31h 35m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

11:19 - 17:00SAN San Diego-CWL Cardiff Wales

21h 41m2 stops Salt Lake City Amsterdam Schiphol

£866Delta

Thu, 24 Dec - Thu, 31 Dec

09:00 - 16:10CWL Cardiff Wales-SAN San Diego

39h 10m2 stops Belfast City London Heathrow

06:36 - 22:45SAN San Diego-CWL Cardiff Wales

32h 09m3 stops Denver Intl Reykjavik Keflavik Intl Dublin

£1,431Multiple Airlines

Thu, 24 Dec - Thu, 31 Dec

17:30 - 15:45CWL Cardiff Wales-SAN San Diego

30h 15m3 stops Amsterdam Schiphol Rome Fiumicino Munich Franz Josef Strauss

06:36 - 22:45SAN San Diego-CWL Cardiff Wales

32h 09m3 stops Denver Intl Reykjavik Keflavik Intl Dublin

£1,513Multiple Airlines

Thu, 24 Dec - Thu, 31 Dec

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Route

Depart

Return

Price

Cheapest return flight

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CardiffSan Diego

CWL Cardiff Wales - SAN San Diego

CWLSAN

Cardiff Wales

Thu 24/12

10:20-09:55

2 stops31h 35m

San Diego

Thu 31/12

11:19-17:00

2 stops21h 41m

£866

CardiffSan Diego

CWL Cardiff Wales - SAN San Diego

CWLSAN

Cardiff Wales

Thu 24/12

09:00-16:10

2 stops39h 10m

San Diego

Thu 31/12

06:36-22:45

3 stops32h 09m

£1,431

CardiffSan Diego

CWL Cardiff Wales - SAN San Diego

CWLSAN

Cardiff Wales

Thu 24/12

17:30-15:45

3 stops30h 15m

San Diego

Thu 31/12

06:36-22:45

3 stops32h 09m

£1,513

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Cardiff to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cardiff to San Diego (CWL to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to San Diego

Best price found	£866
Fastest flight time	31h 35m
Direct flights	None

The best flight deal from Cardiff to San Diego found on momondo in the last 72 hours is £866

The fastest flight from Cardiff to San Diego takes 31h 35m

There are no direct flights from Cardiff to San Diego. There are no popular flight routes from Cardiff to San Diego.

Search flight deals

Frequently asked questions about flying from Cardiff to San Diego

How far is Cardiff Wales to San Diego by plane?
Cardiff Wales and San Diego are 5377.4 mi apart from one another. In terms of flight time, this usually takes a little over 31h 35m.
When did momondo last update prices for flights from Cardiff Wales Airport to San Diego Airport?
Prices for flights from Cardiff Wales Airport to San Diego Airport are refreshed on a daily basis.
How old do you have to be to fly from Cardiff Wales Airport to San Diego Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Cardiff to San Diego

How do I get Price Alerts for flights from Cardiff to San Diego?
Confirm your travel details to search for the latest offers for flights from Cardiff to San Diego. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Cardiff to San Diego with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Cardiff.

Can I find flights from Cardiff to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego from Cardiff with this policy.

How can momondo help me find flights from Cardiff to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cardiff to San Diego.

I’m not ready to book a flight from Cardiff to San Diego right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Diego from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.