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£361+ Cheap flights to Key Largo

— MIA
1 Oct — 8 Oct1
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

Mon 26/1009:20 -
1 stop34h 35m
Wed 9/1210:36 -
2 stops16h 34m
Deal found 31/8£508
Sat 10/1015:40 -
Nonstop9h 40m
Thu 29/1019:30 -
Nonstop8h 45m
Deal found 31/8£509
Sat 31/1008:40 -
2 stops39h 05m
Tue 15/1218:27 -
2 stops17h 08m
Deal found 31/8£509
Mon 14/920:40 -
1 stop23h 25m
Wed 23/916:50 -
1 stop12h 50m
Deal found 31/8£509
Wed 23/1216:00 -
1 stop13h 58m
Mon 4/119:30 -
1 stop32h 55m
Deal found 31/8£510
Mon 28/920:35 -
2 stops27h 10m
Mon 5/1021:30 -
2 stops17h 25m
Deal found 31/8£510
Sat 3/1010:00 -
1 stop13h 45m
Tue 27/1022:45 -
1 stop30h 15m
Deal found 31/8£510
Tue 27/1007:45 -
1 stop12h 10m
Thu 7/107:00 -
2 stops19h 15m
Deal found 27/8£512
Mon 7/910:00 -
1 stop34h 55m
Mon 14/913:44 -
2 stops37h 11m
Deal found 28/8£512
Sun 11/1010:25 -
2 stops28h 49m
Tue 17/1119:55 -
2 stops14h 50m
Deal found 29/8£512
Wed 23/909:15 -
1 stop13h 10m
Wed 14/1019:40 -
1 stop11h 55m
Deal found 27/8£512
Fri 23/1015:20 -
1 stop13h 19m
Mon 26/1009:00 -
2 stops17h 20m
Deal found 28/8£512

Find flight deals to Key Largo

Return from

£508

One-way from

£361

Popular in

August

Cheapest in

January

Average price

£505
Delta
  • Delta
  • 26/10-9/12
  • 3 total stops
  • 51h 09m total
  • London to Miami
Search Deals
30/9
  • 30/9
  • 2 total stops
  • 51h 15m total
  • London to Key Largo
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 London Heathrow - MIA Miami

LHRMIA

London Heathrow

Fri 11/9

08:55-17:50

1 stop13h 55m

Miami

Thu 17/9

08:25-06:20

2 stops16h 55m

£515

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Tue 12/1

09:00-17:30

1 stop13h 30m

Miami

Mon 18/1

16:40-16:20

1 stop18h 40m

£523

LondonMiami

LGW London Gatwick - MIA Miami

LGWMIA

London Gatwick

Fri 20/11

10:40-21:45

1 stop16h 05m

Miami

Sun 29/11

16:50-20:35

2 stops22h 45m

£526

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 29/11

09:00-17:30

1 stop13h 30m

Miami

Sun 20/12

06:00-10:05

2 stops23h 05m

£542

LondonMiami

LCY London City - MIA Miami

LCYMIA

London City

Fri 4/12

07:45-14:55

1 stop12h 10m

Miami

Thu 10/12

17:15-08:50

1 stop10h 35m

£543

LondonMiami

LGW London Gatwick - MIA Miami

LGWMIA

London Gatwick

Sun 27/9

21:45-20:00

1 stop27h 15m

Miami

Fri 2/10

22:00-08:30

1 stop29h 30m

£543

LondonMiami

LCY London City - MIA Miami

LCYMIA

London City

Fri 2/10

09:15-17:25

1 stop13h 10m

Miami

Sun 18/10

19:40-12:35

1 stop11h 55m

£546

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 25/10

06:10-21:50

1 stop19h 40m

Miami

Fri 11/12

12:20-06:25

1 stop13h 05m

£547

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Mon 12/10

17:55-20:49

2 stops31h 54m

Miami

Mon 19/10

13:10-17:05

2 stops22h 55m

£548

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 1/11

06:30-14:55

1 stop13h 25m

Miami

Fri 13/11

23:20-13:05

Nonstop8h 45m

£551

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 33 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 (21 on average). You will have fewer flight options on Wednesday, 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 £130
Virgin Atlantic
Virgin Atlantic
From £247
American Airlines
American Airlines
From £411
Iberia
Iberia
From £397

What are the cheapest airlines that fly to Key Largo?

The cheapest airlines flying from London to Key Largo are Icelandair, Scandinavian Airlines and SWISS.

Rainfall in Key Largo 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

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 a feel of what it's like to fly with Finnair,Virgin Atlantic, andAmerican Airlines 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
1,430 reviews
Check prices

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

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
1,430 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

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
7.4
Good
695 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

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
12,023 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

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.
Iberia
7.0
Good
3,245 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

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
8,195 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

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, British Airways 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 £114, however they can be found for as little as £66.

  • 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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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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