Find flights
Deals
Airlines

£355+ Cheap flights to Key Largo

— MIA
19 Oct — 26 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 5/1112:15 -
1 stop13h 35m
Wed 11/1117:15 -
1 stop21h 15m
Deal found 14/9£358
Thu 5/1107:30 -
2 stops17h 11m
Wed 11/1116:40 -
1 stop15h 10m
Deal found 14/9£440
Thu 5/1106:30 -
1 stop13h 45m
Wed 11/1122:50 -
Nonstop8h 45m
Deal found 14/9£441
Tue 20/1014:05 -
1 stop13h 12m
Sun 1/1118:20 -
1 stop36h 30m
Deal found 19/9£446
Sat 10/1009:30 -
2 stops16h 19m
Wed 4/1113:15 -
2 stops17h 05m
Deal found 18/9£447
Mon 26/1009:15 -
1 stop13h 15m
Thu 19/1116:40 -
1 stop15h 10m
Deal found 18/9£450
Fri 30/1015:35 -
Nonstop10h 25m
Wed 11/1122:50 -
Nonstop8h 45m
Deal found 18/9£450
Wed 7/1010:55 -
1 stop14h 05m
Sun 11/1016:55 -
1 stop12h 55m
Deal found 17/9£450
Tue 24/1117:45 -
1 stop28h 45m
Mon 30/1119:50 -
1 stop31h 50m
Deal found 18/9£451
Fri 25/910:55 -
Nonstop9h 55m
Sun 11/1018:05 -
Nonstop9h 00m
Deal found 18/9£451
Sun 1/1108:40 -
1 stop13h 50m
Sun 15/1116:40 -
1 stop20h 10m
Deal found 17/9£451
Sat 21/1112:20 -
1 stop34h 10m
Tue 1/1216:40 -
1 stop19h 25m
Deal found 17/9£452

Find flight deals to Key Largo

Return from

£358

One-way from

£355

Popular in

August

Cheapest in

January

Average price

£526
Icelandair
  • Icelandair
  • 5/11-11/11
  • 2 total stops
  • 34h 50m total
  • London to Miami
Search Deals
British Airways
  • British Airways
  • 11/11-31/12
  • 1 total stop
  • 14h 10m total
  • London to Key Largo
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£27 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

SEN London Southend - MIA Miami

SENMIA

London Southend

Fri 4/12

08:30-18:55

2 stops39h 25m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sat 12/12

06:05-22:24

2 stops21h 19m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 13/12

06:05-22:24

2 stops21h 19m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Mon 14/12

06:05-00:45

2 stops23h 40m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Tue 15/12

06:00-22:24

2 stops21h 24m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Fri 27/11

09:00-17:30

1 stop13h 30m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£372

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 15/11

13:35-00:45

2 stops40h 10m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£374

LondonMiami

LGW London Gatwick - MIA Miami

LGWMIA

London Gatwick

Sun 29/11

08:40-12:35

2 stops32h 55m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£377

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Thu 17/12

07:05-20:20

2 stops18h 15m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£377

LondonMiami

LTN London Luton - MIA Miami

LTNMIA

London Luton

Mon 19/10

13:00-14:35

2 stops30h 35m

Miami

Wed 31/12

00:00-06:00

Nonstop0h 00m

£378

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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

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 14 hours 0 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 £131
Virgin Atlantic
Virgin Atlantic
From £250
American Airlines
American Airlines
From £416
Iberia
Iberia
From £402

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
1,431 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

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
1,431 reviews
Finnair
7.6
Good
1,431 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

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
694 reviews
Finnair
7.6
Good
1,431 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

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
7.0
Good
12,087 reviews
Finnair
7.6
Good
1,431 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

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
3,251 reviews
Finnair
7.6
Good
1,431 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

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
8,229 reviews
Finnair
7.6
Good
1,431 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

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 £115, 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

Browse thousands of different options on Cheapflights for your next trip

Search flights to Key Largo by cabin class

First Class flights to Key Largo
Business Class flights to Key Largo
Prem Economy Class flights to Key Largo
Economy Class flights to Key Largo

Fly with Cheapflights

How does Cheapflights help users find flights to Key Largo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to Key Largo?

Cheapflights simply makes it quick and affordable to book flights to Key Largo by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights to Key Largo with no change fees?

Need flexible booking options for your flight to Key Largo ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights to Key Largo become cheaper?

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.