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Cheap flights from London Heathrow Airport to Key West from £553

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. 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.
LHR — EYW
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

Cheap flight deals from Heathrow to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 16 May 2024.

Popular in

August

Cheapest in

April

Average price

£652

Round-trip from

£453
High demand for flights, 37% potential price rise
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Best time to find cheap flights, 29% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From London Heathrow to Key West
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What is the cheapest day to fly round-trip from London Heathrow Airport to Key West?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Key West. Check prices with Cheapflights to find a great deal for your trip.

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

Find a great deal and save up to 55% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Key West within the next two weeks, with the cheapest ticket starting at £515.

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

The best pricing can be found in the month of February. Prices to Key West from London Heathrow Airport average £603. You can even find prices in February for less than £603, as users have found deals to Key West from as low as £447. The month of August appears to be one of the more expensive times to travel to Key West from London Heathrow Airport. Flying in the targeted month can save you up to 27%.

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

When flying from London Heathrow Airport to Key West, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 2% versus a flight at midday.

Cheap American Airlines flights from Heathrow to Key West

Explore cheap flight options specifically provided by American Airlines for the route between Heathrow 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 844,321 searches. Data last updated 16 May 2024.
Peruse some of the lowest-priced American Airlines flights we've found from London to Key West. It's recommended that users confirm their flight details before booking.
Wed 19/618:10LHR - EYW
2 stops24h 45mAmerican Airlines
Mon 24/614:40EYW - LHR
1 stop16h 30mAmerican Airlines
Deal found 16/5£593
Wed 22/518:10LHR - EYW
2 stops26h 58mAmerican Airlines
Mon 27/514:11EYW - LHR
1 stop13h 54mAmerican Airlines
Deal found 16/5£887

Cheap United Airlines flights from Heathrow to Key West

Explore cheap flight options specifically provided by United Airlines for the route between Heathrow 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 844,321 searches. Data last updated 16 May 2024.
Some of the best deals we've found on United Airlines flights travelling from London to Key West. Deals are refreshing constantly so come back soon for more options.
Wed 19/616:40LHR - EYW
2 stops26h 29mUnited Airlines
Mon 24/615:20EYW - LHR
2 stops34h 25mUnited Airlines
Deal found 16/5£603
Thu 20/616:40LHR - EYW
2 stops26h 29mUnited Airlines
Sat 20/715:10EYW - LHR
1 stop14h 00mUnited Airlines
Deal found 16/5£626
Mon 15/718:00LHR - EYW
2 stops25h 09mUnited Airlines
Mon 22/715:10EYW - LHR
1 stop14h 00mUnited Airlines
Deal found 15/5£722
Mon 15/718:00LHR - EYW
2 stops25h 09mUnited Airlines
Mon 22/715:10EYW - LHR
2 stops14h 30mUnited Airlines
Deal found 15/5£740

Cheap Heathrow to Key West flights in May & June 2024

Find cheap flight options from Heathrow to Key West specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 844,321 searches. Prices were last updated on 16 May 2024.
Scroll through some of the best deals on flights from London to Key West in 2024. For more flight deals, be sure to check back very soon.
Wed 19/618:10LHR - EYW
2 stops24h 45mAmerican Airlines
Mon 24/614:40EYW - LHR
1 stop16h 30mAmerican Airlines
Deal found 16/5£593
Wed 19/616:40LHR - EYW
2 stops26h 29mUnited Airlines
Mon 24/615:20EYW - LHR
2 stops34h 25mUnited Airlines
Deal found 16/5£603
Wed 19/610:30LHR - EYW
1 stop13h 29mBritish Airways
Mon 24/614:25EYW - LHR
1 stop14h 00mBritish Airways
Deal found 16/5£617
Thu 20/616:40LHR - EYW
2 stops26h 29mUnited Airlines
Sat 20/715:10EYW - LHR
1 stop14h 00mUnited Airlines
Deal found 16/5£626
Thu 20/618:00LHR - EYW
1 stop25h 09mLufthansa
Sat 20/715:10EYW - LHR
1 stop15h 00mLufthansa
Deal found 16/5£673
Sat 15/614:10LHR - EYW
1 stop25h 35mBritish Airways
Sat 22/619:29EYW - LHR
1 stop32h 56mBritish Airways
Deal found 16/5£678
Sat 15/618:05LHR - EYW
2 stops25h 01mAmerican Airlines
Sat 22/617:47EYW - LHR
2 stops22h 53mAmerican Airlines
Deal found 16/5£682
Wed 22/518:10LHR - EYW
2 stops26h 58mAmerican Airlines
Mon 27/514:11EYW - LHR
1 stop13h 54mAmerican Airlines
Deal found 16/5£887
Wed 22/520:05LHR - EYW
2 stops28h 35mVirgin Atlantic
Mon 27/511:43EYW - LHR
2 stops14h 32mVirgin Atlantic
Deal found 16/5£904

Heathrow to Key West 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and Key West in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
Scroll through some of the best deals on flights from London to Key West in 2024. For more flight deals, be sure to check back very soon.
Sat 23/1106:20LHR - EYW
2 stops17h 12mBritish Airways
Thu 28/1113:59EYW - LHR
1 stop15h 56mBritish Airways
Deal found 16/5£553
Sat 23/1110:00LHR - EYW
1 stop13h 32mBritish Airways
Thu 28/1113:59EYW - LHR
1 stop15h 56mBritish Airways
Deal found 16/5£566
Wed 19/618:10LHR - EYW
2 stops24h 45mAmerican Airlines
Mon 24/614:40EYW - LHR
1 stop16h 30mAmerican Airlines
Deal found 16/5£593
Sat 23/1106:20LHR - EYW
2 stops17h 12mBritish Airways
Thu 28/1113:59EYW - LHR
2 stops17h 16mBritish Airways
Deal found 16/5£596
Wed 19/616:40LHR - EYW
2 stops26h 29mUnited Airlines
Mon 24/615:20EYW - LHR
2 stops34h 25mUnited Airlines
Deal found 16/5£603
Wed 19/610:30LHR - EYW
1 stop13h 29mBritish Airways
Mon 24/614:25EYW - LHR
1 stop14h 00mBritish Airways
Deal found 16/5£617
Thu 20/616:40LHR - EYW
2 stops26h 29mUnited Airlines
Sat 20/715:10EYW - LHR
1 stop14h 00mUnited Airlines
Deal found 16/5£626
Thu 20/618:00LHR - EYW
1 stop25h 09mLufthansa
Sat 20/715:10EYW - LHR
1 stop15h 00mLufthansa
Deal found 16/5£673
Sat 15/614:10LHR - EYW
1 stop25h 35mBritish Airways
Sat 22/619:29EYW - LHR
1 stop32h 56mBritish Airways
Deal found 16/5£678

Heathrow to Key West flights leaving soon

Find last-minute flight options from Heathrow to Key West for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
Consider one of these great deals we found on last-minute flights from London to Key West. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 22/518:10LHR - EYW
2 stops26h 58mAmerican Airlines
Mon 27/514:11EYW - LHR
1 stop13h 54mAmerican Airlines
Deal found 16/5£887
Wed 22/520:05LHR - EYW
2 stops28h 35mVirgin Atlantic
Mon 27/511:43EYW - LHR
2 stops14h 32mVirgin Atlantic
Deal found 16/5£904
Wed 22/509:15LHR - EYW
1 stop13h 10mFinnair
Mon 27/515:48EYW - LHR
1 stop14h 02mFinnair
Deal found 16/5£907

Find flights from Heathrow to Key West within your budget

Customise your flight search to find flights from Heathrow 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 844,321 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£593 - £907

Route

Depart

Return

Price

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Wed 19/6

2 stops24h 45m

Key West

Mon 24/6

1 stop16h 30m

£593

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Wed 19/6

2 stops26h 29m

Key West

Mon 24/6

2 stops34h 25m

£603

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Wed 19/6

1 stop13h 29m

Key West

Mon 24/6

1 stop14h 00m

£617

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Thu 20/6

2 stops26h 29m

Key West

Sat 20/7

1 stop14h 00m

£626

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Thu 20/6

1 stop25h 09m

Key West

Sat 20/7

1 stop15h 00m

£673

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Mon 15/7

2 stops25h 09m

Key West

Mon 22/7

1 stop14h 00m

£722

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Mon 15/7

1 stop25h 09m

Key West

Mon 22/7

1 stop12h 10m

£738

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Wed 22/5

2 stops28h 35m

Key West

Mon 27/5

2 stops14h 32m

£904

London HeathrowKey West

LHR - EYW

LHREYW

London Heathrow

Wed 22/5

1 stop13h 10m

Key West

Mon 27/5

1 stop14h 02m

£907

Flights are sorted by cheapest first

Deals found on 16/5

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

Use this chart to determine the cheapest time to fly return from Heathrow to Key West. Price data was last updated on 12 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London Heathrow Airport to Key West flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings 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 Heathrow to Key West by taking into account the cheapest months to travel. The average price of a one-way flight from Heathrow to Key West is currently £0 while a return flight costs £709. Price data was last updated on 12 May 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 16 May 2024.
Get a feel of what it's like to fly with American Airlines, United Airlines and British Airways from London to Key West by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.8
Good
1,376 reviews
Check prices

Boarding

7.8

Crew

8.2

Comfort

7.5

Entertainment

7.0

Food

6.9

Overall

7.8

Reviews

1 / 10

Flight attendants were amazing. You aren’t lacking for anything when you fly business class.

Finnair
7.8
Good
1,376 reviews
Finnair
7.8
Good
1,376 reviews
Check prices

Boarding

7.8

Crew

8.2

Comfort

7.5

Entertainment

7.0

Food

6.9

Overall

7.8

Reviews

1 / 10

Flight attendants were amazing. You aren’t lacking for anything when you fly business class.

Virgin Atlantic
7.7
Good
735 reviews
Finnair
7.8
Good
1,376 reviews
Check prices

Boarding

7.8

Crew

8.2

Comfort

7.5

Entertainment

7.0

Food

6.9

Overall

7.8

Reviews

1 / 10

Flight attendants were amazing. You aren’t lacking for anything when you fly business class.

United Airlines
7.4
Good
10,924 reviews
Finnair
7.8
Good
1,376 reviews
Check prices

Boarding

7.8

Crew

8.2

Comfort

7.5

Entertainment

7.0

Food

6.9

Overall

7.8

Reviews

1 / 10

Flight attendants were amazing. You aren’t lacking for anything when you fly business class.

American Airlines
7.3
Good
14,514 reviews
Finnair
7.8
Good
1,376 reviews
Check prices

Boarding

7.8

Crew

8.2

Comfort

7.5

Entertainment

7.0

Food

6.9

Overall

7.8

Reviews

1 / 10

Flight attendants were amazing. You aren’t lacking for anything when you fly business class.

Lufthansa
7.0
Good
7,659 reviews
Finnair
7.8
Good
1,376 reviews
Check prices

Boarding

7.8

Crew

8.2

Comfort

7.5

Entertainment

7.0

Food

6.9

Overall

7.8

Reviews

1 / 10

Flight attendants were amazing. You aren’t lacking for anything when you fly business class.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    Most people fly into Key West (EYW) if they book a flight to Key West from London Heathrow. On average, Key West has 0 inbound flights from London Heathrow per day from 4 airlines. Key West is conveniently located just 2.6 mi from Key West’s city center.

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

    Yes, there are multiple flights from London Heathrow Airport to Key West for under £600. The cheapest flight booked recently is on American Airlines for just £593, but on average you can expect to pay £1,394.

  • Are there last-minute flights available from London Heathrow Airport to Key West for under £900?

    There are currently 3+ open flights from London Heathrow Airport to Key West within the next 7 days for less than £900.

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

    Cheapflights users have booked flights from London Heathrow Airport to Key West round-trip from £593. Other airlines that can offer you cheap pricing are United Airlines, from £603, and British Airways, from £617. American Airlines is priced at 10% lower than the current average price of a flight leaving 3 months from now.

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

    Finnair, British Airways and United Airlines are the most popular airlines when flying from London Heathrow Airport to Key West.

  • What does LHR to EYW mean?

    This is defined as London Heathrow Airport (LHR) and Key West Airport (EYW). Codes like Key West Airport are often used to just call airports uniquely.

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

    The amount of baggage you can bring on your Heathrow 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 Heathrow to Key West with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow 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 Heathrow to Key West that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow to Key West that allow pets onboard?

    Many airlines flying from Heathrow 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 Heathrow to Key West?

    Yes, you can often find last-minute deals on Heathrow 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 Heathrow Airport to Key West flight deals updated?

    The London Heathrow Airport to Key West flight deals you see on this page were last updated on 16/5.

See more FAQs

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Top 4 airlines flying from Heathrow to Key West

Discover the top 4 airlines that operate flights from Heathrow 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 844,321 searches. Data last updated 16 May 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£447Average£527FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£460Average£565FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£470Average£553FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£477Average£627FlexibilityNo cancel feeOn-time76%
Search Finnair flights
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Birmingham to Edinburgh flights
Edinburgh to Budapest flights
Liverpool to Amsterdam flights
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London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flights

Search flights from Heathrow to Key West by cabin class

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

Cheapflights helps you search for flights from Heathrow 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 Heathrow to Key West?

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

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

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

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

Yes! Start tracking prices for Heathrow to Key West flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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