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£50+ Cheap flights from Key Largo

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 29/5. 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 avr. — 23 avr.1
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 17 mars 2026.

Cheapest one-way flight

£25

Cheapest round-trip flight

£505

Cheapest airline

Delta

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, Delta currently has the cheapest one-way flight from Key Largo (avg. price of £168).
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London Heathrow (LHR) is currently the most popular flight destination from Key Largo (average return price of £404).
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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 17 mars 2026.

ven. 1/517:49
MIA
-
EWR
Nonstop3h 11m
Spirit Airlines
mer. 6/514:58
EWR
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 15/3£66
mer. 1/411:38
MIA
-
EWR
Nonstop3h 07m
Spirit Airlines
mar. 7/416:13
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 15/3£69
jeu. 30/417:49
MIA
-
EWR
Nonstop3h 11m
Spirit Airlines
dim. 3/513:19
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 13/3£77
jeu. 2/411:38
MIA
-
EWR
Nonstop3h 07m
Spirit Airlines
mar. 7/416:13
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 15/3£81
lun. 20/406:30
MIA
-
EWR
1 stop13h 34m
Spirit Airlines
mer. 22/413:19
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 15/3£85
ven. 24/417:49
MIA
-
EWR
Nonstop3h 11m
Spirit Airlines
mar. 28/413:19
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 15/3£86
jeu. 2/411:38
MIA
-
EWR
Nonstop3h 07m
Spirit Airlines
lun. 6/416:13
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 15/3£92
mer. 20/519:09
MIA
-
EWR
Nonstop3h 07m
Spirit Airlines
dim. 31/514:58
EWR
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 13/3£99
ven. 17/417:49
MIA
-
EWR
Nonstop3h 11m
Spirit Airlines
mar. 21/413:19
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 13/3£100
lun. 20/417:49
MIA
-
EWR
Nonstop3h 11m
Spirit Airlines
mar. 21/413:19
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 15/3£103
mar. 28/416:30
MIA
-
STN
2 stops18h 30m
Multiple Airlines
sam. 2/517:30
STN
-
MIA
2 stops26h 00m
Multiple Airlines
Deal found 12/3£474
mer. 6/503:50
MIA
-
LHR
1 stop14h 05m
TAP AIR PORTUGAL
mar. 12/513:45
LHR
-
MIA
1 stop29h 45m
TAP AIR PORTUGAL
Deal found 14/3£482

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

Fly to

Route

Depart

Return

Price

Cheapest return flight

MiamiNewark

MIA - EWR

MIAEWR

Miami

mer. 20/5

19:09-22:16

Nonstop3h 07m

Newark

dim. 31/5

14:58-18:04

Nonstop3h 06m

£99

MiamiNewark

MIA - EWR

MIAEWR

Miami

mar. 18/8

07:25-19:17

1 stop11h 52m

Newark

jeu. 20/8

13:19-16:44

Nonstop3h 25m

£145

MiamiNewark

MIA - EWR

MIAEWR

Miami

ven. 31/7

07:07-10:11

Nonstop3h 04m

Newark

jeu. 6/8

13:00-16:16

Nonstop3h 16m

£163

MiamiNewark

MIA - EWR

MIAEWR

Miami

sam. 25/7

07:07-10:11

Nonstop3h 04m

Newark

lun. 27/7

20:04-23:22

Nonstop3h 18m

£163
Fastest return journey

MiamiNewark

MIA - EWR

MIAEWR

Miami

mer. 1/4

11:38-14:45

Nonstop3h 07m

Newark

sam. 4/4

16:13-19:16

Nonstop3h 03m

£167

MiamiNewark

MIA - EWR

MIAEWR

Miami

mar. 14/4

19:40-22:59

Nonstop3h 19m

Newark

mar. 21/4

07:40-10:53

Nonstop3h 13m

£199

MiamiNewark

MIA - EWR

MIAEWR

Miami

jeu. 2/7

08:48-11:54

Nonstop3h 06m

Newark

sam. 4/7

10:00-13:14

Nonstop3h 14m

£208

MiamiNewark

MIA - EWR

MIAEWR

Miami

jeu. 21/5

07:07-10:11

Nonstop3h 04m

Newark

dim. 31/5

16:00-19:26

Nonstop3h 26m

£224

MiamiNewark

MIA - EWR

MIAEWR

Miami

jeu. 4/6

20:40-23:59

Nonstop3h 19m

Newark

lun. 8/6

16:00-19:26

Nonstop3h 26m

£224

MiamiNewark

MIA - EWR

MIAEWR

Miami

jeu. 20/8

06:00-11:07

1 stop5h 07m

Newark

lun. 24/8

14:30-20:59

1 stop6h 29m

£227

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 13 March 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, February is the cheapest month in which you can book a flight from Key Largo (average of £355). 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, KLM, American Airlines, Finnair. These airlines fly to the following popular destinations: London.

American Airlines
American Airlines
From £73
Virgin Atlantic
Virgin Atlantic
From £392
British Airways
British Airways
From £383
Avianca
Avianca
From £90

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
7.8
Good
1,472 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
7.8
Good
1,472 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
1,371 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
682 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
7.1
Good
11,466 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
7,797 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.1

Crew

8.4

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

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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 17 mars 2026.

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

    Birmingham airport offers the cheapest routes to Arrecife, from £17; whereas Dublin airport is typically cheaper if you're flying to Belfast, 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 February; 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 Birmingham to Dublin from £17 round trip
    Travel from Dublin to Glasgow from £23 round trip
    Travel from London to Madrid from £23 round trip
    Travel from London to Oslo from £23 round trip
    Travel from London to Gdansk from £23 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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