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£58+ 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 23/12. 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
16 Dec — 23 Dec1
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 16 November 2025.

Cheapest one-way flight

£22

Cheapest round-trip flight

£196

Cheapest airline

Spirit Airlines

Most popular destination

London Heathrow (LHR)
The cheapest one-way flight from Key Largo is currently to New York John F Kennedy Intl.
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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 £163).
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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 16 November 2025.

Thu 27/1104:59MIA - MDE
1 stop15h 01mCopa Airlines
Thu 4/1209:17MDE - MIA
1 stop12h 28mCopa Airlines
Deal found 14/11£190
Mon 8/1205:30MIA - MDE
Nonstop3h 30mAvianca
Mon 19/121:00MDE - MIA
1 stop6h 10mAvianca
Deal found 16/11£193
Wed 7/105:30MIA - MDE
Nonstop3h 30mAvianca
Thu 29/111:30MDE - MIA
Nonstop3h 35mAvianca
Deal found 16/11£196
Mon 8/1207:32MIA - MDE
1 stop5h 53mCopa Airlines
Wed 17/1205:00MDE - MIA
1 stop6h 21mCopa Airlines
Deal found 15/11£206
Fri 28/1118:35MIA - MDE
Nonstop3h 40mAvianca
Thu 4/1211:30MDE - MIA
Nonstop3h 35mAvianca
Deal found 14/11£208
Sun 7/1211:20MIA - MDE
1 stop8h 40mCopa Airlines
Sat 13/1206:24MDE - MIA
1 stop12h 27mCopa Airlines
Deal found 16/11£213
Fri 28/1112:53MIA - MDE
1 stop27h 52mDelta
Thu 4/1206:00MDE - MIA
1 stop8h 53mDelta
Deal found 14/11£215
Sat 29/1105:24MIA - MDE
1 stop5h 32mCopa Airlines
Sat 6/1210:46MDE - MIA
1 stop10h 36mCopa Airlines
Deal found 14/11£221
Sat 31/123:10MIA - MDE
2 stops20h 10mDelta
Wed 4/208:25MDE - MIA
1 stop6h 28mDelta
Deal found 15/11£225
Fri 12/1211:20MIA - MDE
1 stop5h 39mCopa Airlines
Mon 22/1209:17MDE - MIA
1 stop12h 05mCopa Airlines
Deal found 15/11£228
Fri 28/1117:15MIA - MAN
1 stop12h 30mIcelandair
Thu 11/1211:55MAN - MIA
1 stop14h 00mIcelandair
Deal found 15/11£368
Sun 8/217:15MIA - GLA
1 stop11h 40mIcelandair
Thu 12/211:35GLA - MIA
1 stop14h 20mIcelandair
Deal found 16/11£369

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

Fly to

Heathrow

Route

Depart

Return

Price

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Sat 21/3

06:01-20:35

1 stop15h 34m

Medellín Jose Maria Cordova Intl

Thu 26/3

18:20-01:40

1 stop6h 20m

£206

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Thu 11/12

17:27-08:18

1 stop14h 51m

Medellín Jose Maria Cordova Intl

Sun 14/12

10:46-00:45

1 stop13h 59m

£206

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Thu 4/12

17:27-08:18

1 stop14h 51m

Medellín Jose Maria Cordova Intl

Sun 7/12

10:46-18:51

1 stop8h 05m

£206

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Thu 4/12

17:27-08:18

1 stop14h 51m

Medellín Jose Maria Cordova Intl

Mon 8/12

18:20-00:45

1 stop6h 25m

£213

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Sat 29/11

05:24-10:56

1 stop5h 32m

Medellín Jose Maria Cordova Intl

Thu 11/12

06:24-15:45

1 stop9h 21m

£221

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Fri 12/12

11:20-16:59

1 stop5h 39m

Medellín Jose Maria Cordova Intl

Mon 22/12

09:17-21:45

1 stop12h 28m

£228

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Wed 26/11

12:53-20:00

1 stop7h 07m

Medellín Jose Maria Cordova Intl

Mon 1/12

08:25-10:51

1 stop26h 26m

£236

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Sun 7/12

04:59-10:56

1 stop5h 57m

Medellín Jose Maria Cordova Intl

Mon 15/12

16:30-00:45

1 stop8h 15m

£237

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Fri 28/11

06:20-22:05

1 stop15h 45m

Medellín Jose Maria Cordova Intl

Sun 7/12

01:15-13:13

1 stop11h 58m

£237

MiamiMedellín

MIA - MDE

MIAMDE

Miami

Mon 8/12

07:00-05:42

1 stop22h 42m

Medellín Jose Maria Cordova Intl

Tue 16/12

01:15-10:49

1 stop9h 34m

£243

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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 14 November 2025.

Booking 62 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 £217). Flying from Key Largo in June will prove the most costly (average of £464). 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, KLM. These airlines fly to the following popular destinations: London.

American Airlines
American Airlines
From £73
Virgin Atlantic
Virgin Atlantic
From £295
British Airways
British Airways
From £366
Avianca
Avianca
From £131

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 KLM, Finnair, andVirgin Atlantic 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.
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Finnair
7.6
Good
1,334 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
673 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air France
7.4
Good
1,489 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,527 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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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 16 November 2025.

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

    London Gatwick airport offers the cheapest routes to Abuja, from £25; whereas London Luton airport is typically cheaper if you're flying to Accra, from £26. 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 Arrecife from £25 round trip
    Travel from Manchester to Oslo from £26 round trip
    Travel from London to Poznan from £26 round trip
    Travel from Lyon to London from £27 round trip
    Travel from London to Bergamo 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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