Find flights
Deals
Airlines

£447+ 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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
1 Aug — 8 Aug1
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 2 July 2026.

Tue 22/915:10
STN
-
MIA
2 stops28h 25m
Multiple Airlines
Tue 29/916:20
MIA
-
STN
2 stops23h 35m
Multiple Airlines
Deal found 2/7£468
Thu 3/910:55
LHR
-
MIA
Nonstop9h 55m
Virgin Atlantic
Wed 30/918:05
MIA
-
LHR
Nonstop9h 00m
Virgin Atlantic
Deal found 27/6£468
Wed 2/920:35
LTN
-
MIA
2 stops27h 10m
Multiple Airlines
Sun 13/921:30
MIA
-
LTN
2 stops17h 25m
Multiple Airlines
Deal found 2/7£468
Fri 11/920:35
LTN
-
MIA
2 stops27h 10m
Multiple Airlines
Fri 25/921:30
MIA
-
LTN
2 stops17h 25m
Multiple Airlines
Deal found 30/6£469
Wed 30/912:15
STN
-
MIA
2 stops35h 30m
Multiple Airlines
Tue 6/1021:30
MIA
-
STN
2 stops18h 25m
Multiple Airlines
Deal found 1/7£470
Fri 30/1020:50
LHR
-
MIA
1 stop27h 05m
LEVEL
Tue 10/1121:40
MIA
-
LHR
1 stop30h 30m
LEVEL
Deal found 30/6£470
Tue 28/715:15
LHR
-
MIA
1 stop14h 40m
Delta
Thu 6/810:35
MIA
-
LHR
1 stop14h 50m
Delta
Deal found 27/6£471
Fri 11/910:25
LGW
-
MIA
1 stop12h 25m
Virgin Atlantic
Wed 23/920:10
MIA
-
LGW
1 stop14h 50m
Virgin Atlantic
Deal found 27/6£471
Mon 5/1006:40
STN
-
MIA
2 stops20h 37m
Multiple Airlines
Mon 12/1008:15
MIA
-
STN
2 stops25h 30m
Multiple Airlines
Deal found 30/6£471
Thu 29/1006:30
LHR
-
MIA
1 stop13h 45m
Virgin Atlantic
Sat 7/1106:20
MIA
-
LHR
1 stop19h 45m
Virgin Atlantic
Deal found 28/6£471
Fri 11/920:55
LHR
-
MIA
1 stop22h 50m
Virgin Atlantic
Sat 19/922:35
MIA
-
LHR
Nonstop9h 00m
Virgin Atlantic
Deal found 28/6£472
Tue 8/917:00
LGW
-
MIA
2 stops22h 25m
Virgin Atlantic
Wed 30/920:10
MIA
-
LGW
1 stop14h 50m
Virgin Atlantic
Deal found 27/6£472

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 2 July 2026.

Return from

£468

One-way from

£447

Popular in

December

Cheapest in

September

Average price

£597
22/9-29/9
  • 22/9-29/9
  • 4 total stops
  • 52h 00m total
  • London to Miami
Search Deals
British Airways
  • British Airways
  • 21/8
  • Nonstop
  • 9h 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 July 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 2 July 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

LHR - MIA

LHRMIA

London Heathrow

Sat 5/9

10:55-15:50

Nonstop9h 55m

Miami

Sun 13/9

18:05-08:05

Nonstop9h 00m

£504

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 28/10

09:00-18:30

1 stop13h 30m

Miami

Wed 4/11

13:44-09:10

2 stops14h 26m

£506

LondonMiami

LCY - MIA

LCYMIA

London City

Thu 27/8

07:45-14:45

1 stop12h 00m

Miami

Tue 22/9

16:55-08:50

1 stop10h 55m

£509

LondonMiami

LCY - MIA

LCYMIA

London City

Thu 3/9

09:15-17:25

1 stop13h 10m

Miami

Wed 30/9

19:40-12:35

1 stop11h 55m

£514

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sat 5/9

10:00-18:45

1 stop13h 45m

Miami

Mon 28/9

21:30-16:25

1 stop13h 55m

£514

LondonMiami

LCY - MIA

LCYMIA

London City

Tue 27/10

07:45-16:00

1 stop12h 15m

Miami

Fri 6/11

17:00-09:30

1 stop11h 30m

£514

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sat 5/9

10:00-18:45

1 stop13h 45m

Miami

Thu 1/10

21:30-16:25

1 stop13h 55m

£514

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Fri 11/9

10:00-18:45

1 stop13h 45m

Miami

Sun 27/9

21:30-16:25

1 stop13h 55m

£514

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Wed 16/9

10:00-18:45

1 stop13h 45m

Miami

Thu 24/9

21:30-16:25

1 stop13h 55m

£514

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Tue 8/9

10:00-18:45

1 stop13h 45m

Miami

Sat 3/10

21:30-09:00

1 stop30h 30m

£520

Flights are sorted by cheapest return flights first.

Deals found on 28/6

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 26 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 Tuesday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 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 £132
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 A.P.G., Norse Atlantic UK and Icelandair.

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 2 July 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
7.6
Good
1,418 reviews
Check prices

Entertainment

6.9

Crew

8.2

Food

6.7

Comfort

7.4

Boarding

7.7

Overall

7.6

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
7.6
Good
1,418 reviews
Finnair
7.6
Good
1,418 reviews
Check prices

Entertainment

6.9

Crew

8.2

Food

6.7

Comfort

7.4

Boarding

7.7

Overall

7.6

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
7.6
Good
1,418 reviews
Check prices

Entertainment

6.9

Crew

8.2

Food

6.7

Comfort

7.4

Boarding

7.7

Overall

7.6

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
7.6
Good
1,418 reviews
Check prices

Entertainment

6.9

Crew

8.2

Food

6.7

Comfort

7.4

Boarding

7.7

Overall

7.6

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
11,765 reviews
Finnair
7.6
Good
1,418 reviews
Check prices

Entertainment

6.9

Crew

8.2

Food

6.7

Comfort

7.4

Boarding

7.7

Overall

7.6

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
8,091 reviews
Finnair
7.6
Good
1,418 reviews
Check prices

Entertainment

6.9

Crew

8.2

Food

6.7

Comfort

7.4

Boarding

7.7

Overall

7.6

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, A.P.G. 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 £198, however they can be found for as little as £60.

  • 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

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.

Search flights to Key Largo by cabin class

Find flights to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class flights to Key Largo
Business Class flights to Key Largo
Prem Economy Class flights to Key Largo
Economy Class flights to Key Largo

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 to Key Largo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to 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 to Key Largo?

Cheapflights simply makes it quick and affordable to book flights to Key Largo by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights to Key Largo with no change fees?

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.

Can Cheapflights notify me if prices for flights to Key Largo become cheaper?

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!

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.