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£52+ 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 22/1. 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
7 Jan — 14 Jan1
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 8 December 2025.

Cheapest one-way flight

£220

Cheapest round-trip flight

£128

Cheapest airline

Spirit Airlines

Most popular destination

London Heathrow (LHR)
The cheapest one-way flight from Key Largo is currently to Lisbon Humberto Delgado.
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The cheapest round-trip flight from Key Largo is currently to San Juan Luis Munoz Marin Intl.
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On average, Spirit Airlines currently has the cheapest one-way flight from Key Largo (avg. price of £173).
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London Heathrow (LHR) is currently the most popular flight destination from Key Largo (average return price of £372).
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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 8 December 2025.

Sun 25/117:15MIA - EDI
2 stops16h 15mMultiple Airlines
Tue 10/208:20EDI - MIA
2 stops17h 35mMultiple Airlines
Deal found 6/12£352
Sun 8/217:15MIA - GLA
1 stop11h 40mIcelandair
Thu 12/211:15GLA - MIA
1 stop14h 40mIcelandair
Deal found 5/12£367
Sun 18/117:15MIA - MAN
1 stop12h 30mIcelandair
Sat 31/111:55MAN - MIA
1 stop14h 00mIcelandair
Deal found 6/12£368
Wed 4/217:15MIA - MAN
1 stop12h 30mIcelandair
Thu 19/211:55MAN - MIA
1 stop14h 00mIcelandair
Deal found 6/12£375
Sun 18/117:15MIA - MAN
2 stops14h 10mMultiple Airlines
Sat 31/107:25MAN - MIA
2 stops18h 30mMultiple Airlines
Deal found 6/12£380
Tue 20/116:35MIA - EDI
2 stops20h 15mMultiple Airlines
Tue 27/107:50EDI - MIA
2 stops36h 00mMultiple Airlines
Deal found 5/12£384
Wed 15/418:15MIA - MAN
1 stop12h 25mIcelandair
Thu 30/413:05MAN - MIA
1 stop13h 50mIcelandair
Deal found 6/12£387
Sun 22/318:15MIA - GLA
1 stop11h 40mIcelandair
Tue 31/314:20GLA - MIA
1 stop12h 35mIcelandair
Deal found 4/12£387
Wed 18/318:15MIA - GLA
1 stop11h 40mIcelandair
Tue 24/312:35GLA - MIA
1 stop13h 20mIcelandair
Deal found 6/12£388
Fri 6/217:15MIA - MAN
1 stop12h 30mIcelandair
Tue 10/211:55MAN - MIA
1 stop14h 00mIcelandair
Deal found 6/12£391
Sun 22/318:15MIA - GLA
1 stop11h 40mIcelandair
Thu 2/414:20GLA - MIA
1 stop12h 35mIcelandair
Deal found 4/12£399
Wed 18/318:15MIA - MAN
1 stop12h 30mIcelandair
Thu 2/413:05MAN - MIA
1 stop13h 50mIcelandair
Deal found 6/12£403

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 8 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

MiamiManchester

MIA - MAN

MIAMAN

Miami

Sun 18/1

17:15-13:30

2 stops15h 15m

Manchester

Sat 31/1

07:25-20:55

2 stops18h 30m

£380

MiamiManchester

MIA - MAN

MIAMAN

Miami

Fri 6/2

17:15-10:45

1 stop12h 30m

Manchester

Tue 10/2

11:55-20:55

1 stop14h 00m

£391

MiamiManchester

MIA - MAN

MIAMAN

Miami

Mon 26/1

20:40-13:15

2 stops35h 35m

Manchester

Fri 30/1

20:55-18:35

2 stops50h 40m

£428

MiamiEdinburgh

MIA - EDI

MIAEDI

Miami

Tue 21/4

22:40-15:45

1 stop12h 05m

Edinburgh Turnhouse

Tue 28/4

21:20-14:30

1 stop22h 10m

£454

MiamiManchester

MIA - MAN

MIAMAN

Miami

Tue 24/3

23:00-16:30

1 stop13h 30m

Manchester

Tue 31/3

07:55-20:10

1 stop17h 15m

£462

MiamiLondon

MIA - LTN

MIALTN

Miami

Thu 5/3

18:45-20:10

2 stops20h 25m

London Luton

Tue 10/3

20:50-17:55

2 stops25h 05m

£463

MiamiManchester

MIA - MAN

MIAMAN

Miami

Fri 6/2

07:40-18:35

2 stops29h 55m

Manchester

Tue 10/2

12:55-18:35

2 stops34h 40m

£463

MiamiLondon

MIA - LTN

MIALTN

Miami

Tue 10/3

23:30-20:20

1 stop16h 50m

London Luton

Tue 17/3

06:20-21:45

1 stop19h 25m

£465

MiamiManchester

MIA - MAN

MIAMAN

Miami

Sun 18/1

16:35-10:35

1 stop13h 00m

Manchester

Sat 31/1

17:10-22:05

1 stop33h 55m

£466

MiamiLondon

MIA - LGW

MIALGW

Miami

Fri 6/3

17:15-10:55

1 stop12h 40m

London Gatwick

Thu 19/3

11:55-21:55

1 stop14h 00m

£466

Flights are sorted by cheapest return flights first.

Deals found on 6/12

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 5 December 2025.

Booking 38 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 £214). Flying from Key Largo in June will prove the most costly (average of £458). 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, Finnair, American Airlines. These airlines fly to the following popular destinations: London.

American Airlines
American Airlines
From £73
Virgin Atlantic
Virgin Atlantic
From £291
British Airways
British Airways
From £342
Bahamasair
Bahamasair
From £191

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
1,334 reviews
Check prices

Overall

7.6

Comfort

7.4

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

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
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Comfort

7.4

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

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
675 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Comfort

7.4

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

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
1,502 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Comfort

7.4

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

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
11,044 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Comfort

7.4

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

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
7,564 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Overall

7.6

Comfort

7.4

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

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 8 December 2025.

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

    London Luton airport offers the cheapest routes to Accra, from £23; whereas London Gatwick airport is typically cheaper if you're flying to Abuja, from £24. 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 London to Poznan from £23 round trip
    Travel from London to Málaga from £24 round trip
    Travel from London to Lyon from £24 round trip
    Travel from Lyon to London from £26 round trip
    Travel from London to Milan from £28 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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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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