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Cheap flights from Cardiff to Florida Keys from £322

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — EYW
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 August 2026.

Tue 1/909:45 -
2 stops18h 52m
Tue 8/916:55 -
1 stop11h 20m
Deal found 4/8£652
Tue 1/909:45 -
2 stops20h 02m
Tue 8/911:29 -
2 stops16h 46m
Deal found 4/8£666
Wed 16/909:45 -
2 stops20h 10m
Wed 23/907:18 -
2 stops20h 57m
Deal found 2/8£668
Wed 16/917:15 -
1 stop26h 30m
Wed 23/912:03 -
2 stops16h 12m
Deal found 2/8£676
Sun 20/917:15 -
2 stops28h 35m
Sun 27/911:49 -
2 stops16h 26m
Deal found 6/8£684
Fri 18/917:15 -
1 stop26h 30m
Fri 25/918:42 -
2 stops17h 23m
Deal found 4/8£695
Fri 18/909:45 -
2 stops18h 30m
Fri 25/911:29 -
2 stops16h 46m
Deal found 4/8£699
Tue 15/915:00 -
2 stops32h 45m
Thu 17/921:35 -
3 stops38h 30m
Deal found 3/8£741
Tue 1/916:15 -
2 stops27h 20m
Tue 8/907:55 -
3 stops34h 30m
Deal found 4/8£844

Find 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 7 August 2026.

Round-trip from

£652

One-way from

£322
KLM
  • KLM
  • 1/9-8/9
  • 3 total stops
  • 30h 12m total
  • Cardiff to Florida Keys
Search Deals
5/10
  • 5/10
  • 3 total stops
  • 50h 35m total
  • Cardiff to Florida Keys
Search Deals

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 7 August 2026.
Use the filters below to find and compare flights from Cardiff to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Tue 1/9

09:45-23:37

2 stops18h 52m

Miami

Tue 8/9

16:55-09:15

1 stop11h 20m

£652

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Tue 1/9

09:45-00:47

2 stops20h 02m

Miami

Tue 8/9

11:29-09:15

2 stops16h 46m

£666

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Wed 16/9

09:45-00:55

2 stops20h 10m

Miami

Wed 23/9

07:18-09:15

2 stops20h 57m

£668

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Sun 20/9

17:15-16:50

2 stops28h 35m

Miami

Sun 27/9

11:49-09:15

2 stops16h 26m

£684

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Fri 18/9

17:15-14:45

1 stop26h 30m

Miami

Fri 25/9

18:42-17:05

2 stops17h 23m

£695

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Fri 18/9

09:45-23:15

2 stops18h 30m

Miami

Fri 25/9

11:29-09:15

2 stops16h 46m

£699

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Tue 15/9

15:00-18:45

2 stops32h 45m

Miami

Thu 17/9

21:35-17:05

3 stops38h 30m

£741
Cheapest one-way

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Mon 5/10

22:10-19:45

3 stops50h 35m

£322
Fastest single journey

CardiffMiami

CWL Cardiff Wales - MIA Miami

CWLMIA

Cardiff Wales

Mon 5/10

17:15-14:45

1 stop26h 30m

£764

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Sorted by cheapest first

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.

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 £652, KLM can have you in Florida Keys from Cardiff in 18h 52m. 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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How does Cheapflights help users find flights from Cardiff to Florida Keys?

Deals for Cardiff to Florida Keys flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Florida Keys from Cardiff.

Can Cheapflights find flights from Cardiff to Florida Keys with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Florida Keys flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to Florida Keys become cheaper?

Of course! You can now track prices for flights from Cardiff to Florida Keys and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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