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£365+ Cheap flights to Key Largo

— MIA
7 Oct — 14 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

Tue 6/1009:20 -
2 stops18h 43m
Tue 13/1016:55 -
1 stop10h 55m
Deal found 6/9£490
Thu 1/1008:00 -
2 stops35h 35m
Fri 16/1000:20 -
2 stops19h 05m
Deal found 5/9£490
Wed 14/1011:45 -
1 stop13h 58m
Tue 20/1018:05 -
Nonstop9h 00m
Deal found 4/9£490
Fri 16/1009:25 -
1 stop13h 00m
Wed 4/1108:00 -
2 stops28h 50m
Deal found 4/9£490
Sun 15/1107:45 -
2 stops19h 00m
Sat 21/1116:50 -
2 stops25h 20m
Deal found 4/9£491
Sat 24/1018:15 -
2 stops27h 40m
Mon 2/1119:45 -
2 stops20h 05m
Deal found 4/9£491
Thu 22/1014:45 -
1 stop13h 54m
Wed 28/1023:20 -
Nonstop8h 45m
Deal found 4/9£491
Mon 28/920:40 -
1 stop28h 25m
Fri 16/1016:55 -
1 stop12h 55m
Deal found 4/9£491
Fri 30/1006:55 -
1 stop19h 50m
Fri 6/1123:50 -
1 stop19h 05m
Deal found 4/9£492
Thu 19/1107:00 -
2 stops18h 50m
Sun 29/1117:15 -
2 stops19h 45m
Deal found 5/9£492
Thu 8/1015:15 -
1 stop14h 38m
Fri 16/1013:19 -
1 stop12h 51m
Deal found 4/9£492
Sat 14/1119:40 -
1 stop26h 10m
Sun 22/1122:35 -
1 stop15h 25m
Deal found 5/9£492

Find flight deals to Key Largo

Return from

£490

One-way from

£365

Popular in

August

Cheapest in

January

Average price

£514
Virgin Atlantic
  • Virgin Atlantic
  • 6/10-13/10
  • 3 total stops
  • 29h 38m total
  • London to Miami
Search Deals
SWISS
  • SWISS
  • 9/11-31/12
  • 1 total stop
  • 27h 25m total
  • London to Key Largo
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£26 potential increase over avg. return 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 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

LTN London Luton - MIA Miami

LTNMIA

London Luton

Wed 23/9

18:10-18:45

1 stop29h 35m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£367

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Fri 6/11

07:30-22:24

2 stops19h 54m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£367

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 8/11

07:30-00:45

2 stops22h 15m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£367

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Fri 5/3

06:05-20:48

2 stops19h 43m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£367

LondonMiami

LGW London Gatwick - MIA Miami

LGWMIA

London Gatwick

Wed 23/9

06:00-18:45

1 stop17h 45m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£370

LondonMiami

LCY London City - MIA Miami

LCYMIA

London City

Tue 5/1

17:45-14:35

1 stop25h 50m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Thu 3/12

07:15-19:30

1 stop17h 15m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£372

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Thu 19/11

07:15-19:30

1 stop17h 15m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£372
Fastest return journey

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sat 7/11

12:10-17:05

Nonstop9h 55m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£373

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Fri 4/12

17:15-21:02

2 stops32h 47m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£374

Flights are sorted by cheapest return flights first.

Deals found on 4/9

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 25 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 Saturday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 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 Iberia.

British Airways
British Airways
From £130
Virgin Atlantic
Virgin Atlantic
From £247
American Airlines
American Airlines
From £412
Iberia
Iberia
From £398

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
1,432 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

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
1,432 reviews
Finnair
7.6
Good
1,432 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

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
694 reviews
Finnair
7.6
Good
1,432 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

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
12,040 reviews
Finnair
7.6
Good
1,432 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

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
3,248 reviews
Finnair
7.6
Good
1,432 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

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
8,209 reviews
Finnair
7.6
Good
1,432 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

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 40 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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