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£430+ Cheap flights to 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
20 Jul — 27 Jul1
1 adult
1 adult, Economy, 0 bags

Flights to Key Largo in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Key Largo
Explore the most affordable flight options available to Key Largo. Find the lowest fares based on data from user searches, with prices last updated on 20 June 2026.

Tue 15/909:15
LCY
-
MIA
1 stop13h 10m
SWISS
Tue 29/919:40
MIA
-
LCY
1 stop11h 55m
SWISS
Deal found 20/6£504
Fri 3/717:40
LHR
-
MIA
1 stop32h 08m
Air Canada
Wed 15/713:05
MIA
-
LHR
2 stops15h 55m
Air Canada
Deal found 20/6£504
Fri 18/917:00
LGW
-
MIA
2 stops22h 25m
Multiple Airlines
Fri 9/1011:35
MIA
-
LGW
2 stops16h 50m
Multiple Airlines
Deal found 19/6£504
Mon 26/1009:15
LCY
-
MIA
1 stop13h 15m
Multiple Airlines
Thu 29/1013:15
MIA
-
LCY
2 stops16h 00m
Multiple Airlines
Deal found 20/6£504
Mon 7/912:15
LHR
-
MIA
Nonstop9h 45m
Iberia
Tue 15/914:00
MIA
-
LHR
1 stop11h 25m
Iberia
Deal found 20/6£504
Tue 1/920:40
LGW
-
MIA
1 stop23h 25m
Iberia
Mon 7/916:55
MIA
-
LGW
1 stop12h 55m
Iberia
Deal found 19/6£504
Tue 17/1108:10
STN
-
MIA
1 stop16h 45m
Multiple Airlines
Wed 2/1217:15
MIA
-
STN
2 stops22h 35m
Multiple Airlines
Deal found 19/6£505
Fri 11/912:15
LHR
-
MIA
Nonstop9h 45m
British Airways
Tue 15/919:05
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 20/6£505
Sat 19/911:30
LGW
-
MIA
2 stops17h 45m
Iberia
Sat 10/1022:00
MIA
-
LGW
1 stop17h 00m
Iberia
Deal found 20/6£505
Thu 3/909:20
LCY
-
MIA
2 stops19h 17m
Virgin Atlantic
Thu 10/915:23
MIA
-
LCY
2 stops20h 17m
Virgin Atlantic
Deal found 19/6£506
Fri 26/612:15
LHR
-
MIA
Nonstop9h 40m
British Airways
Sun 12/709:55
MIA
-
LHR
1 stop16h 00m
British Airways
Deal found 19/6£506
Thu 9/711:30
LGW
-
MIA
2 stops17h 51m
Iberia
Thu 23/712:42
MIA
-
LGW
2 stops17h 08m
Iberia
Deal found 19/6£506

Find flight deals to Key Largo

Find the latest flights to Key Largo in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 20 June 2026.

Return from

£504

One-way from

£430

Popular in

December

Cheapest in

September

Average price

£590
SWISS
  • SWISS
  • 15/9-29/9
  • 2 total stops
  • 25h 05m total
  • London to Miami
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 29h 35m total
  • London to Key Largo
Search Deals
Highest demand for flights based on searches. 2% potential increase in price.
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Key Largo that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 20 June 2026.
Use the filters below to find and compare flights to Key Largo that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 1/10

15:35-20:15

Nonstop9h 40m

Miami

Sun 4/10

17:05-06:55

Nonstop8h 50m

£505

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Fri 3/7

11:30-20:45

1 stop14h 15m

Miami

Mon 6/7

18:05-08:05

Nonstop9h 00m

£517

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Tue 17/11

10:00-22:45

2 stops17h 45m

Miami

Wed 2/12

17:59-15:45

2 stops16h 46m

£520

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Thu 16/7

10:25-20:45

1 stop15h 20m

Miami

Thu 23/7

11:30-09:25

2 stops16h 55m

£530

LondonMiami

LCY - MIA

LCYMIA

London City

Tue 15/9

20:15-18:46

2 stops27h 31m

Miami

Tue 29/9

11:49-07:55

2 stops15h 06m

£531

LondonMiami

LCY - MIA

LCYMIA

London City

Tue 17/11

07:45-18:49

2 stops16h 04m

Miami

Wed 2/12

17:59-16:35

2 stops17h 36m

£533

LondonMiami

LCY - MIA

LCYMIA

London City

Thu 24/9

11:25-22:02

2 stops39h 37m

Miami

Mon 28/9

19:00-15:15

1 stop15h 15m

£535

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Tue 25/8

10:35-23:37

2 stops18h 02m

Miami

Tue 8/9

15:23-16:00

2 stops19h 37m

£535

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Mon 13/7

17:00-10:24

2 stops22h 24m

Miami

Mon 20/7

11:30-09:40

2 stops17h 10m

£540

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 19/11

19:30-17:30

2 stops27h 00m

Miami

Thu 26/11

19:50-18:40

2 stops17h 50m

£546

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight to Key Largo

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

Cheapflights Insights

Everything you need to know about your flight to Key Largo

How long is the flight to Key Largo?

On average, a flight from London to Key Largo takes 13 hours 35 minutes. Flights to Key Largo from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Key Largo

The most flights from London to Key Largo are scheduled on a Monday (24 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 on average).

What are the most popular airlines that fly to Key Largo?

The most popular airlines flying from London to Key Largo are Virgin Atlantic, British Airways and American Airlines.

British Airways
British Airways
From £133
Virgin Atlantic
Virgin Atlantic
From £391
American Airlines
American Airlines
From £420
Finnair
Finnair
From £364

What are the cheapest airlines that fly to Key Largo?

The cheapest airlines flying from London to Key Largo are Norse Atlantic UK, Icelandair and SWISS.

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 inches per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to 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 an airline for your flight to Key Largo. Reviews last updated 20 June 2026.
Get a feel of what it's like to fly with Finnair,Virgin Atlantic, andNorse Atlantic UK to the United States 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
7.7
Good
1,413 reviews
Check prices

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Overall

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
Finnair
7.7
Good
1,413 reviews
Finnair
7.7
Good
1,413 reviews
Check prices

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Overall

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
Virgin Atlantic
7.5
Good
690 reviews
Finnair
7.7
Good
1,413 reviews
Check prices

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Overall

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
Norse Atlantic UK
7.2
Good
Finnair
7.7
Good
1,413 reviews
Check prices

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Overall

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
American Airlines
7.1
Good
11,716 reviews
Finnair
7.7
Good
1,413 reviews
Check prices

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Overall

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
British Airways
6.7
Okay
8,057 reviews
Finnair
7.7
Good
1,413 reviews
Check prices

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Overall

7.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

FAQs about flying to Key Largo

  • Can I find cheaper flights to Key Largo if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Key Largo on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Key Largo?

    Based on reviews from Cheapflights users, Norse Atlantic UK is rated the highest out of the airlines that fly to Key Largo.

  • How much is a return flight to Key Largo?

    A return flight to Key Largo will typically cost around £277, however they can be found for as little as £89.

  • Where does the fastest flight to Key Largo depart from?

    For those looking to save time traveling to Key Largo, London offers the quickest one-way flight (9 hours 35 minutes).

  • Does Miami have car hire?

    Yes. Those touching down at Miami can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Miami?

    Yes. Miami has hotels nearby for those requiring accommodations. Miami International Airport Hotel is the closest property to Miami (0.0 mi away from Miami).

See more FAQs

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

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Need flexible booking options for your flight to Key Largo ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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