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Cheap flights from London Luton Airport to Key Largo from £376

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — MIA
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Key Largo
Explore the most affordable flight options available from Luton to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Wed 9/919:20 -
1 stop30h 30m
Thu 24/921:35 -
1 stop19h 35m
Deal found 6/8£465
Tue 15/913:40 -
2 stops29h 55m
Sun 4/1000:30 -
2 stops37h 35m
Deal found 9/8£466
Thu 12/1117:00 -
2 stops33h 45m
Sat 21/1116:50 -
2 stops19h 45m
Deal found 9/8£468
Wed 23/916:30 -
2 stops32h 55m
Thu 1/1019:50 -
2 stops24h 00m
Deal found 6/8£468
Tue 15/907:05 -
1 stop17h 15m
Tue 29/921:35 -
1 stop19h 50m
Deal found 9/8£469
Wed 23/916:30 -
2 stops27h 45m
Wed 30/919:45 -
2 stops21h 55m
Deal found 9/8£471
Mon 21/918:05 -
2 stops26h 55m
Wed 7/1019:45 -
2 stops21h 55m
Deal found 8/8£473
Mon 21/918:05 -
2 stops26h 55m
Mon 28/919:45 -
2 stops22h 15m
Deal found 7/8£475
Mon 14/912:45 -
2 stops30h 50m
Thu 1/1016:20 -
2 stops20h 45m
Deal found 6/8£476
Mon 28/918:05 -
2 stops26h 55m
Mon 5/1019:45 -
2 stops22h 15m
Deal found 9/8£479

Find flight deals from Luton to Key Largo

Keep the following information in mind while searching for Luton to Key Largo flight deals. Data was last updated 10 August 2026.

Round-trip from

£465

One-way from

£376

Popular in

August

Cheapest in

January

Average price

£631
9/9-24/9
  • 9/9-24/9
  • 2 total stops
  • 50h 05m total
  • London to Key Largo
Search Deals
9/11
  • 9/11
  • 1 total stop
  • 16h 00m total
  • London to Key Largo
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to Key Largo 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 10 August 2026.
Use the filters below to find and compare flights from London Luton Airport to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Tue 8/9

06:15-22:17

2 stops21h 02m

Miami

Mon 21/9

13:10-17:20

3 stops23h 10m

£496
Fastest return journey

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Tue 1/9

07:05-20:50

1 stop18h 45m

Miami

Thu 24/9

21:35-22:10

1 stop19h 35m

£518

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Wed 7/10

07:00-19:45

2 stops17h 45m

Miami

Sun 18/10

07:10-14:05

2 stops25h 55m

£527

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Fri 4/9

16:20-20:50

1 stop33h 30m

Miami

Thu 24/9

21:35-09:25

1 stop30h 50m

£533

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Mon 21/9

07:55-14:35

2 stops35h 40m

Miami

Wed 7/10

16:20-13:55

2 stops16h 35m

£547

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Fri 4/9

19:40-20:25

2 stops29h 45m

Miami

Mon 21/9

19:45-23:00

2 stops22h 15m

£565

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Fri 28/8

16:20-20:50

1 stop33h 30m

Miami

Thu 17/9

21:35-09:25

1 stop30h 50m

£568

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Mon 7/9

07:55-14:35

2 stops35h 40m

Miami

Wed 7/10

16:20-00:30

2 stops27h 10m

£575

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Fri 11/9

05:40-19:45

2 stops19h 05m

Miami

Sat 3/10

21:35-07:20

2 stops28h 45m

£595

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Mon 28/9

07:00-15:05

2 stops37h 05m

Miami

Fri 2/10

22:00-18:05

1 stop15h 05m

£607

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Luton to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo 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 Key Largo

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 Key Largo. 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 Key Largo that include hotel bookings?

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

  • How can I find direct flights from Luton to Key Largo?

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

  • Can I find deals for business class flights from Luton to Key Largo?

    Yes. Cheapflights offers flight deals from Luton to Key Largo 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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Can Cheapflights find flights from Luton to Key Largo with no change fees?

Need flexible booking options for your flight to Key Largo from Luton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Luton to Key Largo become cheaper?

Yes! Start tracking prices for Luton to Key Largo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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