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£424+ 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 14/8. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
13 Jul — 20 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 13 June 2026.

Mon 20/717:50
LCY
-
MIA
1 stop25h 55m
Virgin Atlantic
Mon 27/711:30
MIA
-
LCY
2 stops17h 00m
Virgin Atlantic
Deal found 12/6£523
Thu 3/905:40
LTN
-
MIA
2 stops19h 45m
Multiple Airlines
Wed 16/919:45
MIA
-
LTN
2 stops21h 55m
Multiple Airlines
Deal found 10/6£523
Sun 28/609:30
LHR
-
MIA
1 stop34h 10m
Lufthansa
Sun 5/707:07
MIA
-
LHR
1 stop17h 48m
Lufthansa
Deal found 11/6£523
Tue 7/717:00
LGW
-
MIA
2 stops30h 53m
Multiple Airlines
Tue 28/715:17
MIA
-
LGW
2 stops19h 43m
Multiple Airlines
Deal found 9/6£523
Thu 17/908:25
LCY
-
MIA
2 stops19h 36m
Virgin Atlantic
Wed 30/914:05
MIA
-
LCY
2 stops13h 45m
Virgin Atlantic
Deal found 11/6£524
Wed 9/908:20
STN
-
MIA
1 stop15h 25m
Multiple Airlines
Tue 22/921:30
MIA
-
STN
1 stop13h 30m
Multiple Airlines
Deal found 10/6£524
Mon 7/909:30
LHR
-
MIA
2 stops34h 16m
Air Canada
Wed 23/908:15
MIA
-
LHR
1 stop17h 15m
Air Canada
Deal found 10/6£524
Tue 7/710:35
LGW
-
MIA
1 stop15h 10m
Air France
Tue 28/723:00
MIA
-
LGW
1 stop12h 00m
Air France
Deal found 9/6£524
Tue 14/707:45
LCY
-
MIA
1 stop12h 00m
Virgin Atlantic
Tue 28/711:30
MIA
-
LCY
2 stops14h 45m
Virgin Atlantic
Deal found 12/6£525
Thu 1/1005:40
LTN
-
MIA
2 stops20h 09m
Multiple Airlines
Sat 10/1013:10
MIA
-
LTN
2 stops18h 10m
Multiple Airlines
Deal found 10/6£525
Tue 7/711:30
LHR
-
MIA
1 stop14h 15m
Delta
Mon 13/719:25
MIA
-
LHR
1 stop12h 50m
Delta
Deal found 8/6£525
Wed 17/620:40
LGW
-
MIA
1 stop23h 25m
Iberia
Sun 28/616:55
MIA
-
LGW
1 stop12h 55m
Iberia
Deal found 10/6£525

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 13 June 2026.

Return from

£523

One-way from

£424

Popular in

December

Cheapest in

September

Average price

£570
Virgin Atlantic
  • Virgin Atlantic
  • 20/7-27/7
  • 3 total stops
  • 42h 55m total
  • London to Miami
Search Deals
14/8
  • 14/8
  • 3 total stops
  • 36h 10m 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 13 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

LondonMiami

LCY - MIA

LCYMIA

London City

Mon 7/12

17:50-15:00

1 stop26h 10m

Miami

Mon 14/12

17:59-16:35

2 stops17h 36m

£524

LondonMiami

LCY - MIA

LCYMIA

London City

Fri 10/7

07:45-23:35

2 stops20h 50m

Miami

Mon 13/7

11:30-09:30

2 stops17h 00m

£529

LondonMiami

LCY - MIA

LCYMIA

London City

Tue 7/7

10:00-23:37

2 stops18h 37m

Miami

Thu 16/7

16:55-18:30

1 stop20h 35m

£529

LondonMiami

LCY - MIA

LCYMIA

London City

Mon 6/7

19:00-14:45

1 stop24h 45m

Miami

Mon 13/7

11:30-07:15

2 stops14h 45m

£532

LondonMiami

LCY - MIA

LCYMIA

London City

Wed 26/8

07:45-19:03

2 stops16h 18m

Miami

Wed 9/9

11:35-07:55

2 stops15h 20m

£532

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sat 29/8

10:25-00:47

2 stops19h 22m

Miami

Sat 19/9

11:49-09:20

2 stops16h 31m

£533

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Thu 1/10

17:00-10:25

2 stops22h 25m

Miami

Sat 10/10

11:15-09:20

2 stops17h 05m

£537

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sat 11/7

10:55-15:50

Nonstop9h 55m

Miami

Sat 18/7

11:44-06:45

1 stop14h 01m

£542

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sat 4/7

15:50-20:45

Nonstop9h 55m

Miami

Tue 21/7

11:30-06:45

1 stop14h 15m

£550

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 14/7

08:45-17:25

1 stop13h 40m

Miami

Thu 23/7

19:40-21:30

2 stops20h 50m

£552

Flights are sorted by cheapest return flights first.

Deals found on 8/6

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 10 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 Friday (24 on average). You will have fewer flight options on Tuesday, 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 £131
Virgin Atlantic
Virgin Atlantic
From £387
American Airlines
American Airlines
From £415
Finnair
Finnair
From £376

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 13 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
1,408 reviews
Check prices

Food

6.7

Boarding

7.7

Overall

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

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
1,408 reviews
Finnair
7.7
Good
1,408 reviews
Check prices

Food

6.7

Boarding

7.7

Overall

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

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
1,408 reviews
Check prices

Food

6.7

Boarding

7.7

Overall

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

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
1,408 reviews
Check prices

Food

6.7

Boarding

7.7

Overall

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

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
11,654 reviews
Finnair
7.7
Good
1,408 reviews
Check prices

Food

6.7

Boarding

7.7

Overall

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

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
8,047 reviews
Finnair
7.7
Good
1,408 reviews
Check prices

Food

6.7

Boarding

7.7

Overall

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

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 £68, however they can be found for as little as £67.

  • 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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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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Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Key Largo today and book when you’re ready!

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