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£364+ Cheap flights to Key Largo

— MIA
9 Oct — 16 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

Sat 24/1009:30 -
2 stops16h 19m
Sat 31/1020:55 -
1 stop31h 35m
Deal found 9/9£463
Tue 8/1211:15 -
1 stop29h 00m
Sun 10/117:58 -
1 stop32h 32m
Deal found 9/9£463
Fri 9/1008:30 -
2 stops18h 47m
Fri 16/1012:26 -
2 stops15h 09m
Deal found 9/9£464
Wed 7/1008:25 -
2 stops19h 38m
Wed 14/1013:19 -
2 stops22h 21m
Deal found 9/9£465
Fri 23/1016:40 -
2 stops31h 12m
Thu 29/1016:49 -
2 stops14h 01m
Deal found 9/9£466
Sun 25/1018:00 -
2 stops22h 16m
Mon 2/1113:15 -
2 stops17h 05m
Deal found 9/9£466
Tue 20/1009:20 -
2 stops18h 47m
Fri 13/1116:55 -
1 stop11h 35m
Deal found 9/9£467
Wed 7/1009:20 -
2 stops18h 43m
Thu 22/1016:55 -
1 stop10h 55m
Deal found 9/9£468
Sun 15/1111:10 -
2 stops17h 48m
Sat 28/1107:20 -
2 stops18h 50m
Deal found 9/9£468
Sat 14/1108:30 -
1 stop16h 25m
Sat 28/1121:40 -
1 stop16h 45m
Deal found 9/9£468
Tue 6/1010:00 -
2 stops18h 03m
Tue 13/1016:55 -
1 stop10h 55m
Deal found 8/9£469
Tue 20/1009:55 -
2 stops18h 08m
Mon 26/1019:36 -
1 stop12h 04m
Deal found 8/9£469

Find flight deals to Key Largo

Return from

£463

One-way from

£364

Popular in

August

Cheapest in

January

Average price

£513
Air Canada
  • Air Canada
  • 24/10-31/10
  • 3 total stops
  • 47h 54m 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 (£9 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
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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 6/11

07:30-22:24

2 stops19h 54m

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

Thu 25/2

07:15-19:30

1 stop17h 15m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£370

LondonMiami

STN London Stansted - MIA Miami

STNMIA

London Stansted

Wed 30/9

08:20-18:45

1 stop15h 25m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonMiami

SEN London Southend - MIA Miami

SENMIA

London Southend

Tue 15/9

20:25-14:35

3 stops47h 10m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

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

LondonMiami

LCY London City - MIA Miami

LCYMIA

London City

Thu 29/10

07:40-17:50

1 stop14h 10m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£373

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Wed 10/2

07:45-19:30

1 stop16h 45m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£373

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

£374

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Mon 28/9

16:55-18:45

2 stops30h 50m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£377

Flights are sorted by cheapest return flights first.

Deals found on 6/9

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 12 hours 53 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 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 £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
1,432 reviews
Check prices

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Entertainment

6.9

Food

6.7

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

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Entertainment

6.9

Food

6.7

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

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Entertainment

6.9

Food

6.7

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
12,047 reviews
Finnair
7.6
Good
1,432 reviews
Check prices

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Entertainment

6.9

Food

6.7

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

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Entertainment

6.9

Food

6.7

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

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Entertainment

6.9

Food

6.7

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 £65.

  • 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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