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Cardiff

$1,045+ Cheap flights from San Diego (SAN) to Cardiff (CWL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — CWL
Jun 12 — Jun 191
Fri 6/12
Fri 6/19
1 adult, Economy
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Cheap 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 May 13, 2026.

This KLM deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:40 pm
SAN
-
CWL
1 stop19h 05m
KLM
Mon 9/285:15 pm
CWL
-
SAN
1 stop26h 35m
KLM
Deal found 5/13$1,045
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 pm
SAN
-
CWL
2 stops15h 45m
Delta
Tue 9/299:45 am
CWL
-
SAN
2 stops20h 59m
Delta
Deal found 5/12$1,059
This Gotogate deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:30 pm
SAN
-
CWL
2 stops34h 45m
WestJet
Thu 7/211:35 am
CWL
-
SAN
2 stops34h 35m
WestJet
Deal found 5/11$1,434
This Expedia deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:40 pm
SAN
-
CWL
1 stop19h 05m
KLM
Thu 7/25:15 pm
CWL
-
SAN
2 stops33h 06m
KLM
Deal found 5/11$1,539

Find flight deals from San Diego to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 13, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,045
(KLM)
Provider with most accurate pricing for San Diego-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Cardiff Wales flights.
Search Deals
From San Diego to Cardiff Wales
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 13, 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
Quickest round-trip

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Tue 9/22

1:40 pm-4:45 pm

1 stop19h 05m

Cardiff Wales

Mon 9/28

5:15 pm-11:50 am

1 stop26h 35m

$1,045

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Wed 9/23

1:30 pm-4:45 pm

2 stops19h 15m

Cardiff Wales

Tue 9/29

5:15 pm-6:23 pm

2 stops33h 08m

$1,059

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Sorted by cheapest first

Compare providers for flights from San Diego to Cardiff

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Cardiff in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Cardiff flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on San Diego-Cardiff flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from San Diego-Cardiff flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Cardiff flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Cardiff flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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.

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.

  • How long is the flight from San Diego to Cardiff?

    KLM can get you from San Diego to Cardiff in just under 19h 05m. Your travel time can differ by up to . The distance from San Diego to Cardiff is about 5376 mi.

  • 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 vacation 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.

See more FAQs

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