Find flights
Deals
Airlines

£53+ 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 7/3. 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
21 Mar — 28 Mar1
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 19 February 2026.

Cheapest one-way flight

£39

Cheapest round-trip flight

£306

Cheapest airline

Delta

Most popular destination

London Heathrow (LHR)
The cheapest one-way flight from Key Largo is currently to New York LaGuardia.
Search Deals
The cheapest round-trip flight from Key Largo is currently to London Heathrow.
Search Deals
On average, Delta currently has the cheapest one-way flight from Key Largo (avg. price of £165).
Search Deals
London Heathrow (LHR) is currently the most popular flight destination from Key Largo (average return price of £382).
Search Deals

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 19 February 2026.

Sun 29/318:15
MIA
-
MAN
1 stop12h 25m
Icelandair
Tue 14/413:05
MAN
-
MIA
1 stop13h 50m
Icelandair
Deal found 18/2£424
Mon 13/417:05
MIA
-
EDI
1 stop14h 35m
Multiple Airlines
Tue 21/406:10
EDI
-
MIA
1 stop19h 15m
Multiple Airlines
Deal found 18/2£433
Wed 15/403:50
MIA
-
LTN
2 stops34h 15m
Multiple Airlines
Tue 21/408:00
LTN
-
MIA
2 stops35h 30m
Multiple Airlines
Deal found 17/2£436
Mon 20/421:30
MIA
-
LGW
2 stops23h 05m
Multiple Airlines
Wed 22/419:55
LGW
-
MIA
2 stops27h 50m
Multiple Airlines
Deal found 18/2£436
Fri 24/418:15
MIA
-
STN
2 stops21h 15m
Multiple Airlines
Tue 28/407:55
STN
-
MIA
2 stops24h 50m
Multiple Airlines
Deal found 18/2£437
Wed 22/418:15
MIA
-
LGW
2 stops20h 00m
Multiple Airlines
Tue 28/421:35
LGW
-
MIA
2 stops27h 38m
Multiple Airlines
Deal found 17/2£437
Wed 15/416:30
MIA
-
LTN
2 stops20h 35m
Multiple Airlines
Wed 29/405:40
LTN
-
MIA
2 stops22h 45m
Multiple Airlines
Deal found 15/2£438
Sun 29/318:15
MIA
-
MAN
2 stops20h 50m
Multiple Airlines
Tue 14/407:30
MAN
-
MIA
2 stops17h 43m
Multiple Airlines
Deal found 18/2£439
Mon 13/421:30
MIA
-
LTN
2 stops20h 30m
Multiple Airlines
Wed 29/407:00
LTN
-
MIA
2 stops40h 45m
Multiple Airlines
Deal found 18/2£439
Sun 26/421:30
MIA
-
LGW
1 stop20h 05m
Multiple Airlines
Wed 29/406:00
LGW
-
MIA
1 stop17h 45m
Multiple Airlines
Deal found 17/2£439
Wed 1/418:15
MIA
-
GLA
1 stop14h 10m
Multiple Airlines
Sat 11/420:45
GLA
-
MIA
2 stops28h 00m
Multiple Airlines
Deal found 17/2£439
Sun 26/418:15
MIA
-
MAN
1 stop12h 25m
Multiple Airlines
Sat 9/518:20
MAN
-
MIA
2 stops30h 25m
Multiple Airlines
Deal found 17/2£440

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 19 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

MiamiLondon

MIA - LTN

MIALTN

Miami

Mon 20/4

21:30-19:05

1 stop16h 35m

London Luton

Wed 29/4

08:00-18:45

1 stop15h 45m

£445

MiamiLondon

MIA - STN

MIASTN

Miami

Wed 18/3

10:39-20:35

3 stops29h 56m

London Stansted

Mon 23/3

06:55-12:30

2 stops33h 35m

£452

MiamiLondon

MIA - LTN

MIALTN

Miami

Tue 21/4

21:30-23:45

1 stop21h 15m

London Luton

Tue 5/5

08:00-18:45

1 stop15h 45m

£458

MiamiEdinburgh

MIA - EDI

MIAEDI

Miami

Wed 12/8

14:30-08:05

1 stop12h 35m

Edinburgh Turnhouse

Wed 19/8

09:00-22:17

2 stops42h 17m

£465

MiamiEdinburgh

MIA - EDI

MIAEDI

Miami

Mon 10/8

06:30-08:05

2 stops20h 35m

Edinburgh Turnhouse

Wed 19/8

09:00-22:17

2 stops42h 17m

£469

MiamiEdinburgh

MIA - EDI

MIAEDI

Miami

Mon 17/8

13:59-08:30

1 stop13h 31m

Edinburgh Turnhouse

Mon 24/8

19:35-14:30

1 stop23h 55m

£474

MiamiEdinburgh

MIA - EDI

MIAEDI

Miami

Sat 15/8

17:00-08:25

2 stops34h 25m

Edinburgh Turnhouse

Tue 25/8

09:15-15:11

3 stops34h 56m

£482

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 16/3

23:00-11:45

Nonstop8h 45m

London Heathrow

Mon 23/3

16:35-10:18

1 stop21h 43m

£485

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 19/3

18:10-07:00

Nonstop8h 50m

London Heathrow

Tue 24/3

12:40-23:24

1 stop14h 44m

£485

MiamiLondon

MIA - LGW

MIALGW

Miami

Fri 17/4

21:45-11:00

1 stop32h 15m

London Gatwick

Wed 29/4

07:10-20:00

1 stop17h 50m

£485

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 60 results
1
2
3
...
6

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 18 February 2026.

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, March is the cheapest month in which you can book a flight from Key Largo (average of £263). Flying from Key Largo in June will prove the most costly (average of £450). 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, American Airlines, KLM, Finnair. These airlines fly to the following popular destinations: London.

American Airlines
American Airlines
From £72
Virgin Atlantic
Virgin Atlantic
From £281
British Airways
British Airways
From £283
Avianca
Avianca
From £88

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
1,458 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,458 reviews
KLM
7.7
Good
1,458 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Finnair
7.6
Good
1,363 reviews
KLM
7.7
Good
1,458 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
679 reviews
KLM
7.7
Good
1,458 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
American Airlines
7.2
Good
11,316 reviews
KLM
7.7
Good
1,458 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,753 reviews
KLM
7.7
Good
1,458 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 19 February 2026.

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

    London Luton airport offers the cheapest routes to Aberdeen, from £24; whereas Oslo Sandefjord airport is typically cheaper if you're flying to London, 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 March; 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 Gdansk from £24 round trip
    Travel from Oslo to Manchester from £24 round trip
    Travel from Bergamo to London from £26 round trip
    Travel from London to Milan from £26 round trip
    Travel from Manchester to Oslo 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!

See more FAQs

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.