Find flights
Deals
Airlines

£193+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
9 Jul — 16 Jul1
1 adult

Flights to Key Largo in 2025

Find the latest flights to Key Largo in 2025, 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 July 2025.

Return from

£346

One-way from

£193

Popular in

December

Cheapest in

September

Average price

£547
SWISS
  • SWISS
  • 25/8-9/9
  • 2 total stops
  • 46h 30m total
  • London to Miami
Norse Atlantic UK
  • Norse Atlantic UK
  • 11/10
  • Nonstop
  • 9h 20m total
  • London to Key Largo
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for return flights in July 2025

Find flight deals to Key Largo

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 July 2025.

Mon 25/818:40LHR - MIA
1 stop27h 50mSWISS
Tue 9/919:40MIA - LHR
1 stop18h 40mSWISS
Deal found 2/7£346
Sun 31/810:00LGW - MIA
Nonstop9h 20mMultiple Airlines
Mon 29/907:25MIA - LGW
1 stop17h 55mMultiple Airlines
Deal found 2/7£346
Sun 2/1121:05LHR - MIA
2 stops26h 00mScandinavian Airlines
Sat 29/1119:55MIA - LHR
2 stops16h 45mScandinavian Airlines
Deal found 1/7£347
Wed 20/810:00LGW - MIA
Nonstop9h 20mNorse Atlantic UK
Wed 20/817:15MIA - LGW
Nonstop8h 40mNorse Atlantic UK
Deal found 2/7£350
Thu 30/1020:05LHR - MIA
1 stop26h 25mMultiple Airlines
Sun 16/1118:45MIA - LHR
1 stop16h 05mMultiple Airlines
Deal found 3/7£354
Mon 25/810:00LGW - MIA
Nonstop9h 20mA.P.G.
Tue 9/917:15MIA - LGW
Nonstop8h 45mA.P.G.
Deal found 2/7£355
Wed 1/1009:25LCY - MIA
1 stop13h 05mSWISS
Wed 8/1019:40MIA - LCY
1 stop16h 35mSWISS
Deal found 2/7£358
Mon 25/815:05LGW - MIA
1 stop14h 03mBritish Airways
Mon 8/921:21MIA - LGW
1 stop29h 49mBritish Airways
Deal found 2/7£377
Mon 25/815:55LHR - MIA
Nonstop9h 40mVirgin Atlantic
Tue 9/922:30MIA - LHR
Nonstop8h 45mVirgin Atlantic
Deal found 2/7£379
Thu 4/908:40LHR - MIA
1 stop13h 50mLufthansa
Thu 11/916:16MIA - LHR
1 stop14h 29mLufthansa
Deal found 2/7£388
Fri 19/910:35LGW - MIA
1 stop16h 10mTAP AIR PORTUGAL
Sun 5/1000:35MIA - LGW
1 stop28h 10mTAP AIR PORTUGAL
Deal found 3/7£389
Mon 25/808:30LHR - MIA
1 stop13h 45mBritish Airways
Tue 9/919:35MIA - LHR
Nonstop8h 50mBritish Airways
Deal found 3/7£390

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 July 2025.
Use the filters below to find and compare flights to Key Largo that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 25/8

18:40-17:30

1 stop27h 50m

Miami

Tue 9/9

19:40-19:20

1 stop18h 40m

£346

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sun 31/8

10:00-14:20

Nonstop9h 20m

Miami

Mon 29/9

07:25-06:20

1 stop17h 55m

£346

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 2/11

21:05-18:05

2 stops26h 00m

Miami

Sat 29/11

19:55-17:40

2 stops16h 45m

£347

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Wed 20/8

10:00-14:20

Nonstop9h 20m

Miami

Wed 20/8

17:15-06:55

Nonstop8h 40m

£350

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 30/10

20:05-18:30

1 stop26h 25m

Miami

Sun 16/11

18:45-15:50

1 stop16h 05m

£354

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Mon 25/8

10:00-14:20

Nonstop9h 20m

Miami

Tue 9/9

17:15-07:00

Nonstop8h 45m

£355

LondonMiami

LCY - MIA

LCYMIA

London City

Wed 1/10

09:25-17:30

1 stop13h 05m

Miami

Wed 8/10

19:40-17:15

1 stop16h 35m

£358

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Mon 25/8

15:05-00:08

1 stop14h 03m

Miami

Mon 8/9

21:21-08:10

1 stop29h 49m

£377

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 25/8

15:55-20:35

Nonstop9h 40m

Miami

Tue 9/9

22:30-12:15

Nonstop8h 45m

£379

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 4/9

08:40-17:30

1 stop13h 50m

Miami

Mon 8/9

18:21-20:40

1 stop21h 19m

£388

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 34 results
1
2
3
4

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

When is the best time to book a flight to Key Largo?

Use this chart to determine the optimal time to book a return flight from London to Key Largo. Price data was last updated on 27 June 2025.

The price you pay for your flight to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Key Largo?

On average, a flight from London to Key Largo takes 13 hours 33 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.

When is the cheapest time to fly to Key Largo?

Use this chart to determine the cheapest time to fly return from London to Key Largo. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Key Largo should consider flying on Monday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Wednesday evenings, when prices are usually at their highest.

Weekly flight availability to Key Largo

The most flights from London to Key Largo are scheduled on a Wednesday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (19 on average).

What are the cheapest airlines that fly to Key Largo?

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

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 July 2025.
Get a feel of what it's like to fly with Air France, SWISS, andUnited 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.

Boarding

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Boarding

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Boarding

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Boarding

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Boarding

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Boarding

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

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, Norse Atlantic UK 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 £176, however they can be found for as little as £89.

  • 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 20 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Key Largo by cabin class

Find flights to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.