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Cheap flights from Cardiff to Florida Keys from £257

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — EYW
8 Jul — 15 Jul1
1 adult

Cheap flight deals from Cardiff to Florida Keys

Keep the following information in mind while searching for Cardiff to Florida Keys flight deals. Data was last updated 3 July 2025.

Round-trip from

£627

One-way from

£257
KLM
  • KLM
  • 16/7-23/7
  • 4 total stops
  • 32h 13m total
  • Cardiff to Florida Keys
8/9
  • 8/9
  • 2 total stops
  • 30h 10m total
  • Cardiff to Florida Keys

Find flight deals from Cardiff to Florida Keys

Cheapest flights from Cardiff to Florida Keys
Explore the most affordable flight options available from Cardiff to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Wed 16/709:50CWL - MIA
2 stops18h 17mKLM
Wed 23/714:19MIA - CWL
2 stops13h 56mKLM
Deal found 2/7£627
Wed 20/809:50CWL - MIA
2 stops19h 34mDelta
Wed 27/815:30MIA - CWL
2 stops20h 15mDelta
Deal found 1/7£703
Sat 23/816:50CWL - MIA
2 stops34h 20mMultiple Airlines
Tue 26/815:40MIA - CWL
3 stops20h 05mMultiple Airlines
Deal found 1/7£736

Cheapflights Fare Finder

Customise your flight search to find flights from Cardiff to Florida Keys 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 858,174 searches. Data last updated 3 July 2025.
Use the filters below to find and compare flights from Cardiff to Florida Keys that are best for you.

Fly from

Cardiff

Fly to

Florida Keys

Route

Depart

Return

Price

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Wed 16/7

09:50-23:07

2 stops18h 17m

Miami

Wed 23/7

14:19-09:15

2 stops13h 56m

£627

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Wed 20/8

09:50-00:24

2 stops19h 34m

Miami

Sun 24/8

15:30-16:45

2 stops20h 15m

£703

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Sat 23/8

16:50-22:10

2 stops34h 20m

Miami

Tue 26/8

15:40-16:45

3 stops20h 05m

£736

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Mon 8/9

13:10-14:20

2 stops30h 10m

£257

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Best time to book a flight from Cardiff to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Cardiff with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Florida Keys
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Florida Keys. Reviews last updated 3 July 2025.
Read reviews from past customers who have flown with Delta and KLM from Cardiff to Florida Keys. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
8.0
Very Good

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Cardiff to Florida Keys?

    For a flight from Cardiff to Florida Keys, you will be flying from Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city.

  • Can I find deals for flights from Cardiff to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Cardiff to Florida Keys flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Florida Keys.

  • Can I find deals for business class flights from Cardiff to Florida Keys?

    Yes. Cheapflights offers flight deals from Cardiff to Florida Keys by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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