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Cheap flights from San Diego to Cardiff from $390

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Cardiff departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
SAN
-
CWL
5376 mimulti-stop
Multiple Airlines Logo
CWL
-
SAN
5376 mimulti-stop
Multiple Airlines

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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, momondo users made 832,500 searches. Data last updated December 21, 2025.
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

Thu 2/26

4:12 pm-7:40 pm

3 stops43h 28m

$390

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Thu 2/26

7:35 am-10:00 pm

2 stops30h 25m

$453

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Thu 2/26

2:00 pm-4:45 pm

1 stop18h 45m

$460

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Thu 2/26

2:00 pm-4:45 pm

1 stop18h 45m

$1,620

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Thu 2/26

7:00 am-7:45 pm

3 stops52h 45m

$2,250

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Thu 2/26

2:00 pm-4:45 pm

1 stop18h 45m

$3,367

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Thu 2/26

6:00 pm-11:30 am

2 stops33h 30m

$3,547

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Cardiff from

How to get the cheapest flight ticket from San Diego to Cardiff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from San Diego to Cardiff Wales?

Virgin Atlantic is the most popular carrier operating from San Diego to Cardiff Wales

When to book flights from San Diego to Cardiff

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

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

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

Fastest flight time

17h 45m

Direct flights

None
The fastest flight from San Diego to Cardiff takes 17h 45m
There are no direct flights from San Diego to Cardiff. There are no popular flight routes from San Diego to Cardiff.
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  • How far is San Diego to Cardiff Wales by plane?

    The distance between San Diego and Cardiff Wales is about 5377.4 mi. A reasonable flight in good conditions will take 17h 45m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents you'll need for your trip to Cardiff Wales Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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 Cardiff from San Diego.

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

momondo does allow users to show only those flights to Cardiff from San Diego which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between San Diego and Cardiff by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Cardiff from San Diego. 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.

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Cabin classes currently available on flights to Cardiff

List of cabin classes available on flights landing in Cardiff. Availability may vary depending on flight origin and airline.
First Class to Cardiff
Business Class to Cardiff