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Cheap flights from Cardiff to Florida Keys from £282

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — EYW
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

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 2 December 2025.

Round-trip from

£547

One-way from

£282
Delta
  • Delta
  • 13/1-20/1
  • 3 total stops
  • 31h 31m total
  • Cardiff to Florida Keys
Search Deals
9/1
  • 9/1
  • 3 total stops
  • 48h 40m total
  • Cardiff to Florida Keys
Search Deals

Find flight deals from Cardiff to Florida Keys

Enter your travel dates to find the best prices.

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 2 December 2025.

Sat 6/1220:05CWL - MIA
3 stops32h 52mMultiple Airlines
Sat 13/1212:55MIA - CWL
3 stops39h 55mMultiple Airlines
Deal found 1/12£928

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 2 December 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

Tue 13/1

10:20-00:51

2 stops19h 31m

Miami

Tue 20/1

12:00-09:50

2 stops16h 50m

£547

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Wed 29/4

09:45-23:31

2 stops18h 46m

Miami

Tue 5/5

07:00-09:15

2 stops21h 15m

£558

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Thu 15/1

10:20-23:20

2 stops18h 00m

Miami

Thu 22/1

13:21-09:50

2 stops15h 29m

£577

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Sun 22/2

12:00-14:40

2 stops31h 40m

Miami

Wed 25/3

23:00-08:05

2 stops29h 05m

£602

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Fri 30/1

10:20-00:51

2 stops19h 31m

Miami

Mon 2/2

11:39-09:50

2 stops17h 11m

£608

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Fri 30/1

10:20-10:24

2 stops29h 04m

Miami

Mon 2/2

08:05-16:55

2 stops27h 50m

£608

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Thu 30/4

09:45-21:32

2 stops16h 47m

Miami

Mon 4/5

11:15-09:15

2 stops17h 00m

£623

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Fri 6/3

10:20-00:53

2 stops19h 33m

Miami

Sat 14/3

12:00-09:50

2 stops17h 50m

£644

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Fri 9/1

22:25-18:05

3 stops48h 40m

£282

CardiffMiami

CWL - MIA

CWLMIA

Cardiff Wales

Sun 11/1

21:20-14:50

3 stops46h 30m

£295

Flights are sorted by cheapest return flights first.

Deals found on 30/11

Showing 1-10 of 15 results
1
2

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 2 December 2025.
Read reviews from past customers who have flown with KLM from Cardiff to Florida Keys. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,425 reviews
Check prices

Boarding

7.8

Comfort

7.6

Food

7.2

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,425 reviews
KLM
7.7
Good
1,425 reviews
Check prices

Boarding

7.8

Comfort

7.6

Food

7.2

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • How long is the flight from Cardiff to Florida Keys?

    For as low as £577, Delta can have you in Florida Keys from Cardiff in 18h. Airlines will cover a distance of 4292 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from Cardiff to Florida Keys?

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