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£394+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
3 Sep — 10 Sep1
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 4 August 2026.

Wed 16/916:30 -
2 stops27h 10m
Wed 23/919:45 -
2 stops21h 55m
Deal found 2/8£463
Thu 10/907:45 -
2 stops35h 55m
Fri 18/919:45 -
2 stops23h 20m
Deal found 31/7£464
Wed 16/907:40 -
2 stops36h 00m
Wed 23/919:45 -
2 stops22h 00m
Deal found 2/8£464
Wed 2/908:30 -
2 stops35h 45m
Wed 9/919:45 -
2 stops22h 15m
Deal found 3/8£465
Wed 2/920:35 -
2 stops27h 10m
Tue 8/921:30 -
2 stops17h 25m
Deal found 30/7£465
Thu 10/1211:10 -
1 stop14h 09m
Mon 4/112:05 -
1 stop15h 25m
Deal found 31/7£465
Tue 1/913:50 -
1 stop32h 35m
Thu 3/913:44 -
2 stops25h 56m
Deal found 3/8£465
Sat 17/1016:15 -
2 stops27h 20m
Fri 23/1000:20 -
2 stops18h 55m
Deal found 1/8£467
Wed 23/912:15 -
2 stops35h 30m
Wed 30/921:30 -
2 stops21h 40m
Deal found 31/7£468
Tue 8/917:45 -
2 stops27h 15m
Wed 23/919:45 -
2 stops21h 55m
Deal found 2/8£468
Thu 17/915:25 -
1 stop33h 35m
Mon 12/1022:00 -
1 stop19h 50m
Deal found 4/8£468
Mon 26/1020:35 -
1 stop29h 15m
Wed 4/1117:15 -
1 stop21h 15m
Deal found 31/7£469

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 4 August 2026.

Return from

£463

One-way from

£394

Popular in

December

Cheapest in

September

Average price

£602
16/9-23/9
  • 16/9-23/9
  • 4 total stops
  • 49h 05m total
  • London to Miami
Search Deals
SWISS
  • SWISS
  • 2/10
  • 1 total stop
  • 13h 10m total
  • London to Key Largo
Search Deals
Highest demand for flights based on searches. 3% 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 August 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 4 August 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

SEN - MIA

SENMIA

London Southend

Wed 9/9

08:25-19:45

2 stops16h 20m

Miami

Sat 26/9

21:35-10:30

1 stop31h 55m

£494

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sun 20/9

14:55-20:00

1 stop34h 05m

Miami

Fri 9/10

22:00-19:00

1 stop16h 00m

£498

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Fri 27/11

14:35-19:55

1 stop34h 20m

Miami

Sat 5/12

21:40-15:15

1 stop12h 35m

£505

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 10/9

08:45-17:25

1 stop13h 40m

Miami

Thu 24/9

16:01-11:55

1 stop14h 54m

£514

LondonMiami

LTN - MIA

LTNMIA

London Luton

Wed 16/9

18:10-18:45

1 stop29h 35m

Miami

Wed 23/9

21:30-19:00

1 stop16h 30m

£514

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 14/9

08:40-17:30

1 stop13h 50m

Miami

Thu 1/10

08:45-05:55

2 stops16h 10m

£516

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 1/11

09:00-17:30

1 stop13h 30m

Miami

Sun 22/11

09:00-06:20

2 stops16h 20m

£517

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 7/12

07:40-16:55

1 stop14h 15m

Miami

Tue 29/12

17:54-10:25

1 stop11h 31m

£520

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Fri 2/10

06:50-18:52

2 stops17h 02m

Miami

Tue 13/10

11:25-07:15

1 stop14h 50m

£523

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 21/9

06:30-18:46

2 stops17h 16m

Miami

Wed 7/10

14:30-10:20

1 stop14h 50m

£527

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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 48 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 (26 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 American Airlines.

British Airways
British Airways
From £131
Virgin Atlantic
Virgin Atlantic
From £249
American Airlines
American Airlines
From £414
Finnair
Finnair
From £392

What are the cheapest airlines that fly to Key Largo?

The cheapest airlines flying from London to Key Largo are Norse Atlantic UK, Icelandair and Delta.

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 4 August 2026.
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
7.7
Good
1,425 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.7

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
7.7
Good
1,425 reviews
Finnair
7.7
Good
1,425 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.7

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
7.5
Good
694 reviews
Finnair
7.7
Good
1,425 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.7

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
11,851 reviews
Finnair
7.7
Good
1,425 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.7

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
3,267 reviews
Finnair
7.7
Good
1,425 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.7

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
8,147 reviews
Finnair
7.7
Good
1,425 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.7

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, Virgin Atlantic 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 £335, however they can be found for as little as £47.

  • 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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