What is the cheapest month to book a flight from San Diego to Cardiff?

Currently, February is the cheapest month in which you can book a flight from San Diego to Cardiff (average of $773). Flying from San Diego to Cardiff in June is currently the most expensive (average of $1,622). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from San Diego to Cardiff?

Travelers seeking maximum savings on their San Diego to Cardiff flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Cardiff ranges from 2.0 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Cardiff when rainfall is around 2.0 in.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest time of day to fly from SAN to CWL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Cardiff as you normally would.

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.

$859+ Flights from San Diego to Cardiff

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Cheap flight deals from San Diego to Cardiff

Round-trip from	$859 (KLM)

From San Diego to Cardiff Wales

Search Deals

Find 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 July 29, 2025.

Wed 9/106:25 amSAN - CWL

2 stops18h 50mKLM

Wed 9/179:50 amCWL - SAN

1 stop34h 10mKLM

Deal found 7/27

$859

Fri 9/121:15 pmSAN - CWL

2 stops19h 50mDelta

Fri 9/199:50 amCWL - SAN

2 stops21h 39mDelta

Deal found 7/29

$931

Mon 7/288:10 amSAN - CWL

2 stops23h 45mMultiple Airlines

Mon 8/41:10 pmCWL - SAN

2 stops34h 15mMultiple Airlines

Deal found 7/27

$1,553

Best flights from San Diego to Cardiff
Discover carefully curated flight deals from San Diego to Cardiff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Wed 9/106:25 amSAN - CWL

2 stops18h 50mKLM

Wed 9/179:50 amCWL - SAN

1 stop34h 10mKLM

Deal found 7/27

$859

Fri 9/121:15 pmSAN - CWL

2 stops19h 50mDelta

Fri 9/199:50 amCWL - SAN

2 stops21h 39mDelta

Deal found 7/29

$931

Fri 9/125:15 pmSAN - CWL

3 stops34h 15mMultiple Airlines

Fri 9/1912:25 pmCWL - SAN

3 stops27h 04mMultiple Airlines

Deal found 7/29

$1,702

Last-minute flights from San Diego to Cardiff
Discover last-minute flight deals from San Diego to Cardiff. Data last updated July 29, 2025 and is based on user searches.

Fri 8/85:00 pmSAN - CWL

2 stops16h 05mKLM

Thu 8/149:50 amCWL - SAN

2 stops18h 51mKLM

Deal found 7/29

$3,305

Fly from

Fly to

Route

Depart

Return

Price

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Wed 9/10

6:25 am-9:15 am

2 stops18h 50m

Cardiff Wales

Wed 9/17

9:50 am-12:00 pm

1 stop34h 10m

$859

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Fri 9/12

1:15 pm-5:05 pm

2 stops19h 50m

Cardiff Wales

Fri 9/19

9:50 am-11:29 pm

2 stops21h 39m

$931

San DiegoCardiff

SAN - CWL

SANCWL

San Diego

Fri 9/12

5:15 pm-11:30 am

3 stops34h 15m

Cardiff Wales

Fri 9/19

12:25 pm-7:29 am

3 stops27h 04m

$1,702

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Reviews of airlines servicing Cardiff

Read reviews from past customers who have flown Delta and KLM from San Diego to Cardiff. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,979 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,383 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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.
What is the cheapest month to book a flight from San Diego to Cardiff?
Currently, February is the cheapest month in which you can book a flight from San Diego to Cardiff (average of $773). Flying from San Diego to Cardiff in June is currently the most expensive (average of $1,622). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Barry

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$859+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Cardiff with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Diego to Cardiff

Round-trip from

Find flight deals from San Diego to Cardiff

Cheapest flights from San Diego to CardiffExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Cardiff that are best for you.

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.

Reviews of airlines servicing Cardiff

Read reviews from past customers who have flown Delta and KLM from San Diego to Cardiff. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

Can I find deals for flights from San Diego to Cardiff that include hotel bookings?

How can I find direct flights from San Diego to Cardiff?

Can I find deals for business class flights from San Diego to Cardiff?

What is the cheapest month to book a flight from San Diego to Cardiff?

Traveling to a place near Cardiff?

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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 July 29, 2025.