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£364+ Cheap flights to Key Largo

— MIA
11 Oct — 18 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

Thu 5/1109:15 -
1 stop13h 15m
Sun 8/1119:50 -
1 stop12h 00m
Deal found 10/9£462
Thu 8/1010:25 -
1 stop13h 27m
Mon 12/1019:40 -
1 stop12h 20m
Deal found 10/9£462
Fri 6/1110:00 -
1 stop15h 25m
Thu 12/1122:45 -
1 stop12h 00m
Deal found 10/9£462
Tue 13/1009:20 -
2 stops18h 43m
Tue 27/1017:55 -
1 stop19h 25m
Deal found 11/9£463
Tue 3/1108:20 -
2 stops35h 30m
Tue 17/1116:50 -
2 stops21h 55m
Deal found 10/9£463
Sat 26/914:05 -
1 stop13h 12m
Wed 30/913:30 -
2 stops15h 30m
Deal found 10/9£463
Tue 10/1106:30 -
1 stop13h 25m
Wed 11/1117:10 -
Nonstop8h 20m
Deal found 10/9£463
Mon 26/1014:35 -
2 stops29h 15m
Mon 2/1116:50 -
2 stops18h 30m
Deal found 11/9£463
Sun 4/1017:00 -
2 stops28h 54m
Mon 19/1020:10 -
1 stop14h 50m
Deal found 11/9£463
Mon 12/1019:00 -
1 stop24h 45m
Tue 20/1016:24 -
2 stops19h 56m
Deal found 10/9£464
Thu 19/1114:50 -
2 stops29h 00m
Sun 22/1116:40 -
2 stops23h 30m
Deal found 11/9£464
Sun 11/1010:55 -
Nonstop9h 55m
Mon 23/1111:25 -
2 stops14h 55m
Deal found 10/9£464

Find flight deals to Key Largo

Return from

£462

One-way from

£364

Popular in

August

Cheapest in

January

Average price

£514
SWISS
  • SWISS
  • 5/11-8/11
  • 2 total stops
  • 25h 15m total
  • London to Miami
Search Deals
9/10-31/12
  • 9/10-31/12
  • 2 total stops
  • 18h 15m 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

Fri 30/10

15:35-17:50

3 stops30h 15m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£366

LondonMiami

LGW London Gatwick - MIA Miami

LGWMIA

London Gatwick

Wed 30/9

06:00-18:45

1 stop17h 45m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£366

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Thu 12/11

07:15-00:45

2 stops22h 30m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£366

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

£366

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Sun 17/1

16:20-19:30

1 stop32h 10m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£366

LondonMiami

SEN London Southend - MIA Miami

SENMIA

London Southend

Fri 6/11

14:55-18:55

2 stops33h 00m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£366

LondonMiami

SEN London Southend - MIA Miami

SENMIA

London Southend

Sun 28/2

17:15-17:30

3 stops53h 15m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Thu 25/2

07:15-19:30

1 stop17h 15m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£370

LondonMiami

SEN London Southend - MIA Miami

SENMIA

London Southend

Wed 13/1

10:40-20:50

2 stops39h 10m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£372

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Sun 1/11

16:20-19:30

1 stop32h 10m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£372

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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 42 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 (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 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 £411
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
1,430 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

Food

6.7

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

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

Food

6.7

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

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

Food

6.7

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
12,049 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

Food

6.7

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.
Iberia
7.0
Good
3,251 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

Food

6.7

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
8,214 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

Food

6.7

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, 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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