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£55+ Cheap flights from Key Largo

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MIA — LHR
29 Jan — 5 Feb1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Key Largo

Discover essential information about flights departing from Key Largo, including flight schedules, destinations, airlines operating at the Key Largo airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 30 December 2025.

Cheapest one-way flight

£23

Cheapest round-trip flight

£307

Cheapest airline

Spirit Airlines

Most popular destination

London Heathrow (LHR)
The cheapest one-way flight from Key Largo is currently to New York LaGuardia.
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The cheapest round-trip flight from Key Largo is currently to London Heathrow.
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On average, Spirit Airlines currently has the cheapest one-way flight from Key Largo (avg. price of £171).
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London Heathrow (LHR) is currently the most popular flight destination from Key Largo (average return price of £392).
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Find flights from Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Key Largo
Explore the most affordable flight options available from Key Largo. Find the lowest fares based on data from user searches, with prices last updated on 30 December 2025.

Fri 6/217:15MIA - MAN
1 stop12h 30mIcelandair
Tue 10/211:55MAN - MIA
1 stop14h 00mIcelandair
Deal found 30/12£363
Sun 8/217:15MIA - GLA
1 stop11h 40mIcelandair
Thu 12/211:15GLA - MIA
1 stop14h 40mIcelandair
Deal found 29/12£385
Wed 14/117:15MIA - MAN
1 stop12h 30mIcelandair
Sat 31/111:55MAN - MIA
1 stop14h 00mIcelandair
Deal found 28/12£389
Wed 4/317:15MIA - EDI
1 stop11h 45mIcelandair
Tue 10/311:00EDI - MIA
1 stop14h 55mIcelandair
Deal found 28/12£399
Sun 25/116:35MIA - MAN
1 stop13h 00mTAP AIR PORTUGAL
Sun 8/211:25MAN - MIA
1 stop15h 40mTAP AIR PORTUGAL
Deal found 30/12£423
Fri 16/117:15MIA - MAN
1 stop12h 30mIcelandair
Sat 24/111:55MAN - MIA
1 stop14h 00mIcelandair
Deal found 28/12£425
Wed 4/317:15MIA - EDI
1 stop11h 45mIcelandair
Thu 12/311:00EDI - MIA
1 stop14h 55mIcelandair
Deal found 28/12£429
Mon 19/120:40MIA - MAN
1 stop31h 50mScandinavian Airlines
Fri 30/120:55MAN - MIA
2 stops50h 40mScandinavian Airlines
Deal found 28/12£437
Tue 27/120:40MIA - LHR
1 stop16h 00mScandinavian Airlines
Thu 19/219:50LHR - MIA
2 stops51h 45mScandinavian Airlines
Deal found 28/12£444
Thu 26/221:45MIA - STN
1 stop19h 10mMultiple Airlines
Mon 9/308:05STN - MIA
1 stop16h 25mMultiple Airlines
Deal found 28/12£444
Mon 4/506:02MIA - LGW
1 stop19h 18mMultiple Airlines
Thu 7/513:05LGW - MIA
1 stop15h 13mMultiple Airlines
Deal found 28/12£444
Tue 3/323:15MIA - LTN
1 stop16h 50mMultiple Airlines
Tue 10/309:25LTN - MIA
1 stop16h 30mMultiple Airlines
Deal found 27/12£445

Find flights from Key Largo within your budget

 
Find flights departing from Key Largo that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 30 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

MiamiGlasgow

MIA - GLA

MIAGLA

Miami

Sun 8/2

17:15-09:55

1 stop11h 40m

Glasgow Intl

Thu 12/2

11:15-20:55

1 stop14h 40m

£385

MiamiManchester

MIA - MAN

MIAMAN

Miami

Fri 16/1

17:15-10:45

1 stop12h 30m

Manchester

Thu 29/1

11:55-20:55

1 stop14h 00m

£425

MiamiManchester

MIA - MAN

MIAMAN

Miami

Mon 19/1

20:40-09:30

1 stop31h 50m

Manchester

Fri 30/1

20:55-18:35

2 stops50h 40m

£437

MiamiLondon

MIA - LGW

MIALGW

Miami

Sun 25/1

23:50-20:35

2 stops15h 45m

London Gatwick

Sun 1/2

10:40-22:05

1 stop16h 25m

£445

MiamiLondon

MIA - LGW

MIALGW

Miami

Wed 11/2

23:35-10:00

2 stops29h 25m

London Gatwick

Wed 18/2

10:40-21:50

1 stop16h 10m

£445

MiamiManchester

MIA - MAN

MIAMAN

Miami

Fri 16/1

17:15-10:45

1 stop12h 30m

Manchester

Sat 31/1

11:55-20:55

1 stop14h 00m

£445

MiamiLondon

MIA - LTN

MIALTN

Miami

Wed 15/4

21:45-17:40

1 stop14h 55m

London Luton

Wed 22/4

05:30-20:00

1 stop19h 30m

£447

MiamiLondon

MIA - STN

MIASTN

Miami

Fri 27/2

21:45-18:30

1 stop15h 45m

London Stansted

Tue 10/3

21:20-21:00

1 stop27h 40m

£448

MiamiLondon

MIA - LTN

MIALTN

Miami

Sun 15/2

21:45-22:30

1 stop19h 45m

London Luton

Fri 20/2

06:10-20:00

1 stop18h 50m

£451

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 30/1

18:30-08:15

Nonstop8h 45m

London Heathrow

Fri 13/3

18:10-17:50

1 stop27h 40m

£456

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 60 results
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Best time to book a flight from Key Largo

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

Travel insights for flights from Key Largo

Get recent, data-driven insights about flights from Key Largo including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Key Largo?

Use this chart to determine the optimal time to book a return flight from Key Largo to Heathrow. Price data was last updated on 26 December 2025.

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Key Largo?

Currently, January is the cheapest month in which you can book a flight from Key Largo (average of £213). Flying from Key Largo in June will prove the most costly (average of £454). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Key Largo?

Many airlines operate round-trip flights from Key Largo: Virgin Atlantic, British Airways, Air France, American Airlines, Finnair. These airlines fly to the following popular destinations: London.

American Airlines
American Airlines
From £72
Virgin Atlantic
Virgin Atlantic
From £283
British Airways
British Airways
From £284
Avianca
Avianca
From £128

Airline reviews for flights from Key Largo

Get insights into the airlines that provide service from Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Key Largo. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Get a feel of what it's like to fly with Finnair, Virgin Atlantic, andAir France from Key Largo by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,343 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,343 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Virgin Atlantic
7.5
Good
677 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Air France
7.4
Good
1,514 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
American Airlines
7.2
Good
11,070 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
British Airways
6.7
Okay
7,630 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

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Related info for your journey

Access useful and relevant information related to your journey from Key Largo. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 30 December 2025.

  • What is the cheapest airport to fly out of Key Largo?

    Cologne Köln/Bonn airport offers the cheapest routes to Edinburgh, from £12; whereas Karlsruhe Söllingen airport is typically cheaper if you're flying to London, from £23. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Key Largo?

    At the present moment the cheapest month to fly from Key Largo is currently January; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Key Largo?

    Check out the cheapest flights from Key Largo to embark to:
    Travel from Cologne to London from £12 round trip
    Travel from Oslo to Manchester from £27 round trip
    Travel from London to Milan from £27 round trip
    Travel from London to Lyon from £27 round trip
    Travel from London to Faro from £27 round trip

  • How does Cheapflights help users find flights from Key Largo?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Key Largo?

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

  • Can Cheapflights find flights from Key Largo with no change fees?

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

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Key Largo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Key Largo?

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

Can Cheapflights find flights from Key Largo with no change fees?

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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