£313 Find Cheap Flights from London to Key Largo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Key Largo departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
£412
Overall average: £416
Air Europa
Fri 1/5Thu 7/5
LGW - MIA • 1 stop
Cheapest one-way flight
£313
Typical prices: £186-£333
Multiple Airlines
Wed 8/4
LGW - MIA • 2 stops
Arrival airport
You can’t fly directly to Key Largo. It is served by Miami (MIA), located 49.7 miles from Key Largo.
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from London to Key Largo (LGW-MIA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to Key Largo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Key Largo

Fri, 1 May - Thu, 7 May
Air Europa Logo
10:00 - 18:45
LGW
-
MIA
13h 45m
1 stop
Air Europa Logo
21:30 - 16:25
MIA
-
LGW
13h 55m
1 stop
£412Air Europa
Thu, 30 Apr - Wed, 6 May
Air Europa Logo
10:00 - 18:45
LGW
-
MIA
13h 45m
1 stop
Air Europa Logo
21:30 - 16:25
MIA
-
LGW
13h 55m
1 stop
£413Air Europa
Fri, 8 May - Tue, 19 May
Air Europa Logo
10:00 - 18:45
LGW
-
MIA
13h 45m
1 stop
Air Europa Logo
21:30 - 16:25
MIA
-
LGW
13h 55m
1 stop
£416Air Europa
Wed, 13 May - Wed, 20 May
TAP AIR PORTUGAL Logo
10:35 - 23:25
LGW
-
MIA
17h 50m
1 stop
TAP AIR PORTUGAL Logo
16:30 - 14:00
MIA
-
LGW
16h 30m
1 stop
£431TAP AIR PORTUGAL
Sun, 10 May - Wed, 20 May
TAP AIR PORTUGAL Logo
10:35 - 22:20
LGW
-
MIA
16h 45m
1 stop
TAP AIR PORTUGAL Logo
16:30 - 14:00
MIA
-
LGW
16h 30m
1 stop
£431TAP AIR PORTUGAL
Tue, 14 Apr - Sun, 19 Apr
Multiple Airlines Logo
16:45 - 19:45
LGW
-
MIA
32h 00m
2 stops
Multiple Airlines Logo
21:45 - 23:25
MIA
-
LGW
20h 40m
2 stops
£432Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
06:50 - 20:00
LGW
-
MIA
18h 10m
1 stop
Multiple Airlines Logo
21:45 - 22:50
MIA
-
LGW
20h 05m
1 stop
£434Multiple Airlines
Wed, 15 Apr - Mon, 27 Apr
Multiple Airlines Logo
07:10 - 20:00
LGW
-
MIA
17h 50m
1 stop
Multiple Airlines Logo
21:45 - 22:50
MIA
-
LGW
20h 05m
1 stop
£444Multiple Airlines
Thu, 30 Apr - Fri, 8 May
Air Europa Logo
10:00 - 18:45
LGW
-
MIA
13h 45m
1 stop
Air Europa Logo
21:30 - 16:25
MIA
-
LGW
13h 55m
1 stop
£445Air Europa
Fri, 8 May - Wed, 20 May
TAP AIR PORTUGAL Logo
10:35 - 21:55
LGW
-
MIA
16h 20m
1 stop
TAP AIR PORTUGAL Logo
16:30 - 14:00
MIA
-
LGW
16h 30m
1 stop
£446TAP AIR PORTUGAL
Useful Info

Good to know - Cheap tickets from London to Key Largo

Low seasonFebruary
Cheapest flight£313
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly (2% more expensive on average)
Flight from London Gatwick Airport to Miami

When to book flights from London to Key Largo

Are your dates flexible? Find out the best times to travel from London to Key Largo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

FAQs for booking flights from London to Key Largo

  • Which airports will I be using when flying from London Gatwick Airport to Key Largo?

    When flying out of London Gatwick Airport you’ll be using London Gatwick. Key Largo does not have its own airport so you’ll be flying into nearby Miami airport, which is 49.7 mi away.

  • What’s the cheapest day of the week to fly between London Gatwick Airport and Key Largo?

    Consider leaving on a Tuesday and avoid Wednesdays if you're looking for the best rates. For your return to London Gatwick Airport, you’ll find the best rates on Mondays and the most expensive ones on Thursdays.

  • How does KAYAK find such low prices on flights from London to Key Largo?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Key Largo.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Key Largo?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Key Largo from London is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Key Largo?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Key Largo with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Key Largo?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Key Largo from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from London Gatwick Airport to Key Largo?

    In the last 72 hours, the cheapest one-way ticket between London Gatwick Airport and Key Largo found on KAYAK was with Norse Atlantic UK for £149. Norse Atlantic UK offered a return connection from £277 and Icelandair from £309.

Top tips for finding cheap flights from London Gatwick Airport to Key Largo

  • There is no airport in Key Largo. Instead, you’ll be flying into Miami Airport when flying between London Gatwick Airport and Key Largo.
  • The cheapest flight from London to Key Largo was found 84 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is September.

Top 4 airlines flying from London to Key Largo

 
Need help choosing which airline to fly with from London to Key Largo? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
FinnairOverall score based on 1371 reviews
8.2Crew
7.5Comfort
6.7Food
7.7Boarding
6.9Entertainment
Airline reviews

Positive: It was refreshingly easy and polite check-in and boarding staff. Flight was on time and Helsinki is a very well-signposted airport. Shopping was nice as well. Flight was not full and I had lots of space in economy. Flight was perfectly on time. Negative: Food and drink not very good, but that it is normal on any airline. Didn't expect anything else.

8.0 ExcellentFiruz, Feb 2026
HEL - ICN
Read more Finnair reviews

Positive: It was refreshingly easy and polite check-in and boarding staff. Flight was on time and Helsinki is a very well-signposted airport. Shopping was nice as well. Flight was not full and I had lots of space in economy. Flight was perfectly on time. Negative: Food and drink not very good, but that it is normal on any airline. Didn't expect anything else.

Business seating is soooo uncomfortable. You can sit straight up or lay down. You need pillows behind you because the back doesn’t lay down. Those are need to “prop” you up. The chair has no padding whatsoever. Food was gross. I’ve eaten on Finnair before and the food was exceptional. This time it gave 2 people in our party diarrhea. It was the chicken dish. I took 2 bites and didn’t eat anything more. The flight attendants were nice. You needed an additional lounge in Terminal D at DFW Airport. After waiting 40 minutes to enter, we finally gave up and went to a bar across from the club doors. I’m unsure if I’ll ever book a Finnair flight again.

Very good seat, very comfortable, good food, and good service.

It was a good flight, very comfortable seats for sleeping in business class. Probably the most comfortable business class seat I've ever had (20+ times in business class on various airlines). Service was good, but the only downside is my screen didn't work and it had to be reset multiple times to get it to shut off. I had to block my eyes because the screen was white almost the entire flight and I wore an eye mask when I slept. But when eating and reading in my seat, my eyes hurt because the only way to turn the screen off was reset it and the screen would only be off for a few minutes at a time.

Everything was wonderful! AirBus seats are more comfortable to sleep in as compared to the Boeing planes.

All reviews good because...flight from BWI to London ,economy seats was miserable. I usually book 1,step up from economy but this would have added 1500 bucks 1 way. Bit the bullet and upgraded for retun flight, otherwise all ratings would have been rock bottom.

Great. It was awesome to have boarding from the front and back of the plane as it made the process go very quickly

It was okay. The airplane was a little smaller than a flight from Thailand to Helsinki.

Wish that everyone would board the back of the plane first. Also let kids on first. The gate wasn’t open at arrival and we waited 45 minutes to takeoff. They made up for time in the air.

This was an absolutely exceptional flight. The flight attendants were extremely attentive and very friendly. They seemed to go out of their way to make us comfortable and to make sure that we had everything we needed., We were in business and were very happy with the size and the details for our pods. We would definitely recommend Finnair and will definitely be flying with them again.

The entertainment could have been better, better choice / better headphones, but overall very satisfied

The friendly staff. They kept time. Was suprised to get some drinks.

We did not even get on this flight as the plane never left London. I missed the email that was sent mid morning USA time, so we were not aware the flight was cancelled. There was absolutely no help from the staff at the Norse check in gates, we were told to take a picture of the board they were holding up, to try and claim our money back. We were told to book our own flights to London which ended up costing $10000 due to the last minute. And now we have to return to Miami in 2 weeks. I am not holding my breath about getting on board for that flight either.

Great experience. The flight was smooth with very little turbulence. We were in premium classic, so lots of leg room.

Didn’t know you had to pay for earbuds and food on flight. Sounds awesome and better way to not waste food or items. Comfort of flight is was amazing other than that

Unexpectedly was surprised with the space on flight in economy and the price.

I was not expecting having to pay for headphones, water and basic food in a 9 hours flight. Price for this flight was as high as any other, still I had to pay 4 lbs for a can of sprite. On top of that flight attendance gave a bothered look when I asked her for some ice for my soda. She reluctantly when to get it, brought me literally 3 cubes and walked away without looking at me to avoid another request. I couldn’t believe it. She was soooo rude. I will never book on Norse again and I will let everyone I know about this. Unforgivable, very bad customer service.

Great crew. Customer support is pretty much non existent. I had 2 tickets that were not used, the flight was overbooked. I think I should have been reimbursed for the unused tickets.

The movies were super old. The crew did not offer WATER???? 5 hours os flight and did not get WATER? Norse is the worst company I ever used and never will use again.

Why call us to board if we’re going to be made to stand in the tunnel for 20 minutes. Really hard for people with little children. Plus it took me ages to check in because my seat in Premium was overbooked so I didn’t actually have a seat. I did end up receiving my seat in Premium but there was a lot of stress and confusion beforehand. Hope is it possible to overbook seats? Especially in Premium!

Older airplane with worn out seats. No entertainment system at all. Connecting to Wi-Fi was problematic and hit and miss.

An delay of almost 3 hours while passengers were already in the plane kept us very uncomfortable. The food was also very limited. A bad experience overall.

I understand that there is a catering issue - water should be the minimum stock. During the flight, not once that the attendants came through with water. The conversations in the kitchen were very loud and they were swearing. I do not expect any white glove service, at the minimum, we should be cordial. It was almost an inconveniece that we were on the flight. And it made us feel if you even dare question us, we'll make you deplane.

The flight attendant use 1.5 hours to answer my call. My dirty food tray was unattended.

The flight was completely full. Crew was not happy. Everyone was rude and brusque. Travelling with an arm in a cast and seating in the first row of economy cabin (in front of the separation) I needed help retrieving my tray for the meal. A staff member literally threw the tray on my lap, without helping to take out the tray. Boarding was messy, with 300 people waiting in an encloses space with low ceiling. I will try to avoid AA next time I have a long flight.

The business class seats are dated and uncomfortable. The space is bare minimum and there is absolutely no privacy. For $4K, this is not what I expect.

Flight, food and crew were all good, friendly and very satisfactory.

Lost luggage after 2 days no word leaving on cruise no stuff or clothes

Staff's did their best to make everyone comfortable and I appreciate them for it

Pathetic check in experience once again. Not enough staff scheduled at bag drop or for special assistance at LHR. Really need to rethink the whole self check in procedure. The crew was good. A very decent selection of special meals in this leg as compared to the JFK-LHR leg.

Late takeoff, but on time landing. Lost bags, 3 days to find them, still in transit to my location. Power outlets broken, Wi-Fi not working, so much for working on the long flight.

Good. For a long flight. The comfort of the seat could be better. Also, the food was « normal » plane food. Not indian plane food unfortunately! Everything else was smooth and great.

The seats were comfortable. So many empty seats allowed for stretching out and sleeping. The onboard entertainment was pretty good. The cabin crew were so kind and kept the passengers well- hydrated, and well fed.

We had American Airlines on our return and it was confusing if we were going with Aa or BA I had 2 different flight numbers and didn’t get our gate until it was boarding. So we were a bit nervous as the which it was

It’s the old style plane with the old Ying Yang seats doesn’t compare to other airlines with newer planes.

Great seat in premium economy, great food and drinks throughout lots of in flight entertainment. 1 hour 40 min delayed flying out , 2 1/2 hour wait at passport control in tampa

Have travelled business class with other airlines who profess to be the best in the world. They can however not beat the service and comfort that BA provide.

Everything, every step of the process, from check in, to boarding, to exiting the plane was organized, efficient, and orderly. Excellent experience!

Flight was 3h50 and was only provided with a packet of oat cookies and offered a cold drink. Thankfully i'd had breakfast but for a morning flight of that length some sort of breakfast should be included. There were 2 toilets for economy but due to turbulence we couldn't use them until the last 1hr which meant the queue was then huge. Would've been nice to open up the business one for those closest to the front to use.

It was perfect. The service was exceptional. I would never want to cross the Atlantic in anyone else's sardine tins.

Everything you need to know for your flight from London to Key Largo

Complete your trip to Key Largo with a hotel stay or car hire