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Cheap flights from San Diego to Cardiff from $1,040

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Cardiff departing on 9/22. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from San Diego to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
1:40 pm - 9:15 am
SAN
-
CWL
35h 35m
1 stop
KLM Logo
9:45 am - 11:50 am
CWL
-
SAN
34h 05m
1 stop
$1,040KLM
Tue, Sep 22 - Mon, Sep 28
KLM Logo
1:40 pm - 9:15 am
SAN
-
CWL
35h 35m
1 stop
KLM Logo
9:45 am - 11:50 am
CWL
-
SAN
34h 05m
1 stop
$1,042KLM
Tue, Sep 22 - Mon, Sep 28
KLM Logo
1:35 pm - 4:45 pm
SAN
-
CWL
19h 10m
2 stops
KLM Logo
5:15 pm - 11:50 am
CWL
-
SAN
26h 35m
1 stop
$1,044KLM
Tue, Sep 22 - Mon, Sep 28
KLM Logo
1:35 pm - 4:45 pm
SAN
-
CWL
19h 10m
2 stops
KLM Logo
9:45 am - 11:50 am
CWL
-
SAN
34h 05m
1 stop
$1,047KLM
Tue, Sep 22 - Mon, Sep 28
KLM Logo
7:00 am - 9:15 am
SAN
-
CWL
18h 15m
2 stops
KLM Logo
9:45 am - 11:50 am
CWL
-
SAN
34h 05m
1 stop
$1,048KLM
Tue, Sep 22 - Mon, Sep 28
KLM Logo
1:35 pm - 4:45 pm
SAN
-
CWL
19h 10m
2 stops
KLM Logo
5:15 pm - 3:19 pm
CWL
-
SAN
30h 04m
2 stops
$1,054KLM
Tue, Sep 22 - Mon, Sep 28
KLM Logo
7:00 am - 9:15 am
SAN
-
CWL
18h 15m
2 stops
KLM Logo
9:45 am - 11:43 pm
CWL
-
SAN
21h 58m
2 stops
$1,056KLM
Wed, Sep 23 - Tue, Sep 29
KLM Logo
6:20 am - 9:15 am
SAN
-
CWL
18h 55m
2 stops
KLM Logo
5:15 pm - 3:19 pm
CWL
-
SAN
30h 04m
2 stops
$1,057KLM
Tue, Sep 22 - Mon, Sep 28
KLM Logo
7:00 am - 9:15 am
SAN
-
CWL
18h 15m
2 stops
KLM Logo
5:15 pm - 3:19 pm
CWL
-
SAN
30h 04m
2 stops
$1,058KLM
Tue, Sep 22 - Mon, Sep 28
Multiple Airlines Logo
1:40 pm - 4:45 pm
SAN
-
CWL
19h 05m
1 stop
Multiple Airlines Logo
9:45 am - 9:20 pm
CWL
-
SAN
19h 35m
2 stops
$1,106Multiple Airlines
Tue, Apr 28 - Tue, May 5

KLM flights from San Diego to Cardiff

Our best KLM deals on San Diego to Cardiff flight tickets
KLM
Sep 22
SAN1:40 pmSan Diego
35h 35m
1 stop
CWL9:15 amCardiff Wales
Sep 28
CWL9:45 amCardiff Wales
34h 05m
1 stop
SAN11:50 amSan Diego
$1,040
KLM
Sep 22
SAN1:40 pmSan Diego
35h 35m
1 stop
CWL9:15 amCardiff Wales
Sep 28
CWL9:45 amCardiff Wales
34h 05m
1 stop
SAN11:50 amSan Diego
$1,042
KLM
Sep 22
SAN1:35 pmSan Diego
19h 10m
2 stops
CWL4:45 pmCardiff Wales
Sep 28
CWL5:15 pmCardiff Wales
26h 35m
1 stop
SAN11:50 amSan Diego
$1,044

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 April 1, 2026.
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

Cheapest round-trip

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 9/22

1:40 pm-9:15 am

1 stop35h 35m

Cardiff Wales

Mon 9/28

9:45 am-11:50 am

1 stop34h 05m

$1,040

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 9/22

1:40 pm-9:15 am

1 stop35h 35m

Cardiff Wales

Mon 9/28

9:45 am-11:50 am

1 stop34h 05m

$1,042

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 9/22

1:35 pm-4:45 pm

2 stops19h 10m

Cardiff Wales

Mon 9/28

5:15 pm-11:50 am

1 stop26h 35m

$1,044

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 9/22

1:35 pm-4:45 pm

2 stops19h 10m

Cardiff Wales

Mon 9/28

9:45 am-11:50 am

1 stop34h 05m

$1,047

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 9/22

7:00 am-9:15 am

2 stops18h 15m

Cardiff Wales

Mon 9/28

9:45 am-11:50 am

1 stop34h 05m

$1,048

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 9/22

1:35 pm-4:45 pm

2 stops19h 10m

Cardiff Wales

Mon 9/28

5:15 pm-3:19 pm

2 stops30h 04m

$1,054

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Wed 9/23

7:00 am-9:15 am

2 stops18h 15m

Cardiff Wales

Tue 9/29

9:45 am-11:43 pm

2 stops21h 58m

$1,056

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 9/22

6:20 am-9:15 am

2 stops18h 55m

Cardiff Wales

Mon 9/28

5:15 pm-3:19 pm

2 stops30h 04m

$1,057

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 9/22

7:00 am-9:15 am

2 stops18h 15m

Cardiff Wales

Mon 9/28

5:15 pm-3:19 pm

2 stops30h 04m

$1,058
Quickest round-trip

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 4/28

1:40 pm-4:45 pm

1 stop19h 05m

Cardiff Wales

Tue 5/5

9:45 am-9:20 pm

2 stops19h 35m

$1,106

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

19h 00m

Direct flights

None
The fastest flight from San Diego to Cardiff takes 19h 00m
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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Frequently asked questions about flying from San Diego to Cardiff

  • 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 19h 00m.

  • 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.

Frequently asked questions about flying from San Diego to Cardiff

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

    Price Alerts will notify you by email when the price for flights to Cardiff from San Diego decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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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Find better results for your trip to the United Kingdom

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