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Cheap flights from London Luton Airport to Florida Keys from £309

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — EYW
25 Mar — 1 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Florida Keys

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Florida Keys
Explore the most affordable flight options available from Luton to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2026.

Wed 8/408:00
LTN
-
MIA
2 stops35h 30m
Multiple Airlines
Wed 15/416:30
MIA
-
LTN
2 stops16h 15m
Multiple Airlines
Deal found 22/2£414
Tue 14/414:45
LTN
-
MIA
2 stops28h 45m
Multiple Airlines
Wed 22/403:50
MIA
-
LTN
2 stops23h 40m
Multiple Airlines
Deal found 22/2£415
Thu 16/420:35
LTN
-
MIA
2 stops27h 10m
Multiple Airlines
Thu 30/421:30
MIA
-
LTN
2 stops17h 25m
Multiple Airlines
Deal found 20/2£417
Mon 13/408:00
LTN
-
MIA
2 stops35h 30m
Multiple Airlines
Mon 27/416:35
MIA
-
LTN
2 stops16h 10m
Multiple Airlines
Deal found 21/2£419
Mon 20/405:40
LTN
-
MIA
1 stop19h 20m
Multiple Airlines
Mon 27/421:45
MIA
-
LTN
1 stop15h 20m
Multiple Airlines
Deal found 20/2£428
Thu 26/220:40
LTN
-
MIA
2 stops23h 10m
Multiple Airlines
Wed 25/318:15
MIA
-
LTN
2 stops21h 45m
Multiple Airlines
Deal found 22/2£429

Find flight deals from Luton to Florida Keys

Keep the following information in mind while searching for Luton to Florida Keys flight deals. Data was last updated 23 February 2026.

Round-trip from

£414

One-way from

£309

Popular in

December

Cheapest in

September

Average price

£465
8/4-15/4
  • 8/4-15/4
  • 4 total stops
  • 51h 45m total
  • London to Florida Keys
Search Deals
11/3
  • 11/3
  • 1 total stop
  • 18h 10m total
  • London to Florida Keys
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton 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 23 February 2026.
Use the filters below to find and compare flights from London Luton Airport to Florida Keys that are best for you.

Fly from

Luton

Fly to

Florida Keys

Route

Depart

Return

Price

LondonMiami

LTN - MIA

LTNMIA

London Luton

Mon 13/4

07:05-20:00

1 stop17h 55m

Miami

Mon 27/4

21:45-18:05

1 stop15h 20m

£432

LondonMiami

LTN - MIA

LTNMIA

London Luton

Fri 6/3

05:50-18:00

1 stop17h 10m

Miami

Sun 8/3

20:55-22:00

1 stop21h 05m

£448

LondonMiami

LTN - MIA

LTNMIA

London Luton

Fri 6/3

06:10-19:20

2 stops18h 10m

Miami

Sun 15/3

22:20-22:30

2 stops20h 10m

£517

LondonMiami

LTN - MIA

LTNMIA

London Luton

Sat 18/4

05:40-20:25

2 stops19h 45m

Miami

Sun 26/4

21:45-18:05

1 stop15h 20m

£522

LondonMiami

LTN - MIA

LTNMIA

London Luton

Sun 12/4

05:40-20:00

1 stop19h 20m

Miami

Fri 17/4

21:45-18:05

1 stop15h 20m

£557

LondonMiami

LTN - MIA

LTNMIA

London Luton

Sun 5/4

06:00-19:45

2 stops18h 45m

Miami

Sun 12/4

21:45-23:15

2 stops20h 30m

£560

LondonMiami

LTN - MIA

LTNMIA

London Luton

Fri 20/3

05:50-19:00

1 stop17h 10m

Miami

Fri 27/3

20:55-11:55

1 stop11h 00m

£598

LondonMiami

LTN - MIA

LTNMIA

London Luton

Tue 24/3

06:50-04:10

2 stops25h 20m

Miami

Sat 28/3

21:10-22:15

1 stop20h 05m

£602

LondonMiami

LTN - MIA

LTNMIA

London Luton

Sun 8/3

06:20-20:00

1 stop18h 40m

£314

LondonMiami

LTN - MIA

LTNMIA

London Luton

Fri 27/2

20:50-19:20

3 stops51h 30m

£318

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 19 results
1
2

Best time to book a flight from Luton to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Luton 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 London Luton Airport 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 Luton to Florida Keys. 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 Luton to Florida Keys that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Luton 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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How does Cheapflights help users find flights from Luton to Florida Keys?

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

Certainly. Search results for flights to Florida Keys from Luton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Not ready to book yet? You can track prices for flights from Luton to Florida Keys on Cheapflights with our Price Alert feature and get notified when better prices are available.

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