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.

£416 Cheap Flights from Cardiff to San Diego in 2026

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0 bags

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Find the cheapest flights from Cardiff to San Diego

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:35 - 14:10

CWL

SAN

58h 35m

2 stops

15:30 - 10:15

SAN

CWL

34h 45m

2 stops

£1,222WestJet

Thu, 25 Jun - Thu, 2 Jul

11:35 - 14:10

CWL

SAN

34h 35m

2 stops

15:30 - 10:15

SAN

CWL

34h 45m

2 stops

£1,340WestJet

Mon, 1 Jun - Sat, 13 Jun

11:35 - 14:10

CWL

SAN

34h 35m

2 stops

15:30 - 10:15

SAN

CWL

34h 45m

2 stops

£1,421WestJet

Mon, 1 Jun - Sat, 13 Jun

WestJet flights from Cardiff to San Diego

Our best WestJet deals on Cardiff to San Diego flight tickets

WestJet

25 Jun

CWL11:35Cardiff Wales

58h 35m

2 stops

SAN14:10San Diego

2 Jul

SAN15:30San Diego

34h 45m

2 stops

CWL10:15Cardiff Wales

£1,222

WestJet

1 Jun

CWL11:35Cardiff Wales

34h 35m

2 stops

SAN14:10San Diego

13 Jun

SAN15:30San Diego

34h 45m

2 stops

CWL10:15Cardiff Wales

£1,340

WestJet

1 Jun

CWL11:35Cardiff Wales

34h 35m

2 stops

SAN14:10San Diego

13 Jun

SAN15:30San Diego

34h 45m

2 stops

CWL10:15Cardiff Wales

£1,421

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffSan Diego

CWL - SAN

CWLSAN

Cardiff Wales

Thu 25/6

11:35-14:10

2 stops58h 35m

San Diego

Thu 2/7

15:30-10:15

2 stops34h 45m

£1,222

Fastest return journey

CardiffSan Diego

CWL - SAN

CWLSAN

Cardiff Wales

Mon 1/6

11:35-14:10

2 stops34h 35m

San Diego

Sat 13/6

15:30-10:15

2 stops34h 45m

£1,340

CardiffSan Diego

CWL - SAN

CWLSAN

Cardiff Wales

Mon 1/6

11:35-14:10

2 stops34h 35m

San Diego

Sat 13/6

15:30-10:15

2 stops34h 45m

£1,421

Cheapest one-way

Fastest single journey

CardiffSan Diego

CWL - SAN

CWLSAN

Cardiff Wales

Sat 3/10

07:30-14:10

3 stops38h 40m

£416

CardiffSan Diego

CWL - SAN

CWLSAN

Cardiff Wales

Sat 3/10

12:00-14:55

2 stops58h 55m

£572

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

Fastest flight time	58h 35m
Direct flights	None

The fastest flight from Cardiff to San Diego takes 58h 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 58h 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.