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Cheap flights from London to Key West from £539

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. 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.
LON — EYW
28 Apr — 5 May1
1 adult
Sun 28/4
Sun 5/5

The best prices from London to Key West are usually found in January or March, booked 54 days in advance, depart on a Tuesday or Sunday and return on a Monday

Cheap flight deals from London to Key West

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 April 2024.

Popular in

August

Cheapest in

January

Average price

£562

Round-trip from

£465
High demand for flights, 17% potential price rise
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Best time to find cheap flights, 18% potential price drop
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Average for round-trip flights in April 2024
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From London (LON) to Key West
Search Deals

What is the cheapest day to fly round-trip from London to Key West?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 15% on the overall cost on flights from London to Key West.

How far in advance should I book a flight from London to Key West?

Users have found that booking a flight from London to Key West at least 55 days early can save you up to 76% on average compared to booking a flight this week. If booking 55 days before your flight isn’t an option for you, users have found flights from London to Key West for as little as £504 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £681 for flights departing within the next 3 days.

What is the cheapest month to fly from London to Key West?

January is one of the best times of the year to fly to Key West from London. Prices for January average £607 per person but you can even find prices for as low as £393. The most expensive prices can be found in the month of August. Opting for a January flight can save you 20% on your journey compared to booking in August

When is the cheapest time to fly from London to Key West (LON - EYW)?

It’s optimal to fly from London to Key West in the morning. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the evening.

Cheap American Airlines flights from London to Key West

Explore cheap flight options specifically provided by American Airlines for the route between London and Key West. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 23 April 2024.
Take a peek at the cheapest American Airlines flights we've detected travelling from London to Key West. Come back soon if you're not finding the exact deal you're looking for.
Thu 9/518:15LHR - EYW
2 stops28h 10mAmerican Airlines
Thu 16/511:42EYW - LHR
1 stop14h 48mAmerican Airlines
Deal found 23/4£539
Thu 20/618:15LHR - EYW
2 stops29h 44mAmerican Airlines
Sun 23/619:29EYW - LHR
1 stop32h 56mAmerican Airlines
Deal found 23/4£643
Thu 20/618:15LHR - EYW
2 stops24h 40mAmerican Airlines
Sun 23/619:29EYW - LHR
2 stops21h 11mAmerican Airlines
Deal found 23/4£660
Sun 14/719:55LHR - EYW
2 stops22h 54mAmerican Airlines
Sun 21/719:30EYW - LHR
2 stops31h 15mAmerican Airlines
Deal found 23/4£686
Sun 14/714:10LHR - EYW
1 stop28h 39mAmerican Airlines
Sun 21/719:30EYW - LHR
1 stop30h 35mAmerican Airlines
Deal found 23/4£687
Sun 14/714:10LHR - EYW
1 stop28h 39mAmerican Airlines
Sun 21/719:30EYW - LHR
2 stops31h 15mAmerican Airlines
Deal found 23/4£696
Tue 9/710:30LHR - EYW
1 stop13h 30mAmerican Airlines
Mon 22/716:24EYW - LHR
1 stop11h 41mAmerican Airlines
Deal found 22/4£3,275
Tue 9/710:30LHR - EYW
1 stop13h 30mAmerican Airlines
Fri 26/716:24EYW - LHR
1 stop14h 46mAmerican Airlines
Deal found 22/4£3,375

Cheap British Airways flights from London to Key West

Explore cheap flight options specifically provided by British Airways for the route between London and Key West. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 23 April 2024.
Have a look at some of the cheapest available British Airways flights departing from London and landing in Key West. Check back soon if you're not seeing flights that suit your needs.
Thu 9/510:30LHR - EYW
1 stop13h 31mBritish Airways
Thu 16/515:48EYW - LHR
1 stop14h 02mBritish Airways
Deal found 23/4£561
Thu 20/614:10LHR - EYW
1 stop33h 49mBritish Airways
Sun 23/619:29EYW - LHR
1 stop32h 56mBritish Airways
Deal found 23/4£651
Thu 11/706:15LHR - EYW
2 stops17h 45mBritish Airways
Wed 24/711:05EYW - LHR
1 stop15h 00mBritish Airways
Deal found 22/4£3,262
Thu 11/706:15LHR - EYW
2 stops17h 45mBritish Airways
Fri 26/714:19EYW - LHR
1 stop11h 56mBritish Airways
Deal found 22/4£3,362
Fri 12/710:30LHR - EYW
1 stop13h 30mBritish Airways
Wed 24/711:05EYW - LHR
1 stop15h 00mBritish Airways
Deal found 22/4£3,376
Fri 12/710:30LHR - EYW
1 stop13h 30mBritish Airways
Sat 20/717:47EYW - LHR
1 stop10h 38mBritish Airways
Deal found 22/4£3,476
Sun 7/710:30LHR - EYW
1 stop13h 30mBritish Airways
Mon 22/714:19EYW - LHR
1 stop11h 46mBritish Airways
Deal found 22/4£3,676
Sun 7/710:30LHR - EYW
1 stop13h 30mBritish Airways
Thu 25/714:19EYW - LHR
1 stop14h 06mBritish Airways
Deal found 22/4£3,776
Sat 13/706:15LHR - EYW
2 stops17h 45mBritish Airways
Tue 23/715:10EYW - LHR
1 stop13h 15mBritish Airways
Deal found 22/4£6,300

London to Key West 2024 flight deals

Discover exclusive flight deals for travel between London and Key West in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 23 April 2024.
Check out some of the best flight deals from London to Key West in 2024. For more flight deals, be sure to check back very soon.
Wed 18/1215:00LHR - EYW
2 stops26h 46mMultiple Airlines
Tue 7/117:25EYW - LHR
2 stops32h 05mMultiple Airlines
Deal found 22/4£2,687
Fri 20/1218:00LHR - EYW
2 stops23h 05mMultiple Airlines
Tue 7/117:25EYW - LHR
2 stops32h 05mMultiple Airlines
Deal found 22/4£2,787
Wed 10/710:30LHR - EYW
1 stop13h 30mFinnair
Tue 23/715:10EYW - LHR
1 stop13h 15mFinnair
Deal found 22/4£2,853
Sat 21/1208:50LHR - EYW
2 stops15h 46mKLM
Sat 4/112:30EYW - LHR
1 stop13h 20mKLM
Deal found 22/4£2,964
Wed 18/1208:40LHR - EYW
1 stop13h 18mAmerican Airlines
Wed 1/115:59EYW - LHR
1 stop13h 56mAmerican Airlines
Deal found 22/4£2,980
Wed 18/1215:00LHR - EYW
2 stops26h 46mMultiple Airlines
Sun 5/117:25EYW - LHR
2 stops32h 05mMultiple Airlines
Deal found 22/4£2,987
Sat 21/1220:10LHR - EYW
2 stops25h 54mKLM
Sat 4/114:35EYW - LHR
2 stops14h 55mKLM
Deal found 22/4£3,023
Wed 10/715:55LHR - EYW
1 stop30h 10mKLM
Tue 23/712:39EYW - LHR
2 stops17h 21mKLM
Deal found 22/4£3,057
Sun 22/1210:00LHR - EYW
1 stop13h 38mBritish Airways
Wed 1/115:59EYW - LHR
1 stop13h 56mBritish Airways
Deal found 22/4£3,080

One-way flights to Key West from London

Search for one-way flight options from London to Key West. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 23 April 2024.
Take a look at some of the best available options we've come across on one-way flights from London to Key West. For those needing a return trip from London, there is a search form available above.
Mon 7/1006:45LHR - EYW
2 stops17h 50mMultiple Airlines
Deal found 23/4£612
Mon 7/1012:00LHR - EYW
1 stop31h 37mAir Canada
Deal found 23/4£1,135

Find flights from London to Key West within your budget

Customise your flight search to find flights from London to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 23 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£539 - £687

Route

Depart

Return

Price

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Thu 9/5

2 stops28h 10m

Key West

Thu 16/5

1 stop14h 48m

£539

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Thu 9/5

2 stops25h 07m

Key West

Thu 16/5

2 stops15h 49m

£547

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Thu 9/5

1 stop13h 31m

Key West

Thu 16/5

1 stop14h 02m

£561

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Thu 20/6

2 stops29h 44m

Key West

Sun 23/6

1 stop32h 56m

£643

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Thu 20/6

1 stop33h 49m

Key West

Sun 23/6

1 stop32h 56m

£651

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Thu 23/5

2 stops14h 46m

Key West

Thu 30/5

1 stop12h 19m

£653

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Thu 20/6

2 stops24h 40m

Key West

Sun 23/6

2 stops21h 11m

£660

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Sun 14/7

2 stops22h 54m

Key West

Sun 21/7

2 stops31h 15m

£686

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Sun 14/7

1 stop28h 39m

Key West

Sun 21/7

1 stop30h 35m

£687

Flights are sorted by cheapest first

Deals found on 23/4

When is the best time to book a flight from London to Key West?

Use this chart to determine the optimal time to book a return flight from London to Key West. Price data was last updated on 28 January 2024.
The price you pay for your flight from London to Key West may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from London to Key West?

Use this chart to determine the cheapest time to fly return from London to Key West. Price data was last updated on 21 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London to Key West flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Key West by month

Plan your trip from London to Key West by taking into account the cheapest months to travel. The average price of a one-way flight from London to Key West is currently £873 while a return flight costs £625. Price data was last updated on 21 April 2024.

Temperature and rainfall in Key West by month

Plan your trip to Key West by taking into account the average temperature and rainfall totals by month.

EYW

Temperature

21 - 29 °C

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 West. Reviews last updated 23 April 2024.
Get a feel of what it's like to fly with American Airlines, British Airways and Finnair from London to Key West 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.
Delta
8.1
Very Good
11,028 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.5

Crew

8.6

Overall

8.1

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Delta
8.1
Very Good
11,028 reviews
Delta
8.1
Very Good
11,028 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.5

Crew

8.6

Overall

8.1

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

KLM
7.9
Good
1,632 reviews
Delta
8.1
Very Good
11,028 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.5

Crew

8.6

Overall

8.1

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Finnair
7.8
Good
1,387 reviews
Delta
8.1
Very Good
11,028 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.5

Crew

8.6

Overall

8.1

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

United Airlines
7.4
Good
11,272 reviews
Delta
8.1
Very Good
11,028 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.5

Crew

8.6

Overall

8.1

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

American Airlines
7.3
Good
14,914 reviews
Delta
8.1
Very Good
11,028 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.5

Crew

8.6

Overall

8.1

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Related info for your journey

Find useful and relevant information for your journey from London to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Key West from London?

    Key West (EYW), located 2.6 mi from the city center, is the airport you fly into when you book flights from London to Key West. 4 airlines have flights to Key West from London on a regular basis. Booking flights from London to Key West should not be difficult; the airport handles an average of 0 inbound flights from London per day.

  • Can I find flights from London to Key West for under £600 on Cheapflights?

    Yes, there are multiple flights from London to Key West for under £600. The cheapest flight booked recently is on American Airlines for just £539, but on average you can expect to pay £1,936.

  • What are the cheapest airlines flying from London to Key West round-trip?

    American Airlines, at £539, was found to be the cheapest airline from London to Key West.Alternate airlines flying return to your destination include United Airlines and British Airways. These flights start at 11% lower than the current average price 3 months from now.

  • What are the most popular routes from London to Key West?

    The most popular route from London to Key West is London Heathrow - Key West. You may also consider London Gatwick - Key West or London City - Key West.

  • What are the most popular airlines that fly from London to Key West?

    When booking a flight from London to Key West, you may want to consider flying on Finnair, British Airways or United Airlines as they are the most popular for this route.

  • What does LHR to EYW mean?

    LHR and EYW are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. LHR to EYW refers to a flight route from London Heathrow Airport to Key West Airport. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • Can I find deals for flights from London to Key West that include extra baggage allowance?

    The amount of baggage you can bring on your London to Key West flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from London to Key West with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Key West flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from London to Key West that include hotel bookings?

    Yes. In addition to deals on London to Key West flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Key West.

  • Can I find deals for business class flights from London to Key West?

    Yes. Cheapflights offers flight deals from London to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from London to Key West that allow pets onboard?

    Many airlines flying from London to Key West offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from London to Key West?

    Yes, you can often find last-minute deals on London to Key West flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London to Key West flight deals updated?

    The London to Key West flight deals you see on this page were last updated on 22/4.

See more FAQs

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Top 4 airlines flying from London to Key West

Discover the top 4 airlines that operate flights from London to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 23 April 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£459Average£530FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£473Average£588FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£482Average£570FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£492Average£667FlexibilityNo cancel feeOn-time76%
Search Finnair flights
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London to Cabo San Lucas flights
Manchester to Gran Canaria flights
Liverpool to Amsterdam flights
London to Amritsar flights
London to Warsaw flights
London Gatwick Airport to Glasgow flights
Nottingham to Europe flights
London to Fort Hood flights

Search flights from London to Key West by cabin class

Find flights from London to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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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 from London to Key West?

Cheapflights helps you search for flights from London to Key West via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Key West?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key West from London.

Can Cheapflights find flights from London to Key West with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Key West flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Key West become cheaper?

Of course! You can now track prices for flights from London to Key West and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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