How long is the flight from London to Key West?

For as low as £456, American Airlines can have you in Key West from London in 17h 39m. The distance from London to Key West is about 4555 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

Virgin Atlantic, at £439, was found to be the cheapest airline from London to Key West.Alternate airlines flying return to your destination include British Airways and American Airlines. These flights start at 28% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from London to Key West one-way?

The cheapet airlines for a one-way flight from London to Key West are Virgin Atlantic (£540), TAP AIR PORTUGAL (£1,829), and British Airways (£2,195).

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

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 mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Key West ranges from 38.0 - 170.0 inches per month. September is typically the wettest month, when rainfall can reach 170.0 mm. February is typically the driest time to visit Key West when rainfall is around 38.0 mm.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June 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 21.0 C).

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 City - Key West or London Gatwick - 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 American Airlines, British Airways or Virgin Atlantic as they are the most popular for this route.

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. 3 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 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.

£436+ Cheap Flights from London to Key West

Cheapflights Tip: The best prices from London to Key West are usually found in September or November, booked 80 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from London to Key West

Round-trip from	£451
One-way from	£436
Popular in	December
Cheapest in	September
Average price	£493

British Airways
19/2-16/3
3 total stops
33h 28m total
London to Key West

Search Deals

6/10
3 total stops
49h 42m total
London to Key West

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£31 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from London to Key West

Cheapest flights from London to Key West
Explore the most affordable flight options available from London to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Fri 3/1015:15LHR - EYW

1 stop33h 52mVirgin Atlantic

Mon 6/1013:57EYW - LHR

2 stops34h 53mVirgin Atlantic

Deal found 13/9£459

Sun 5/1014:00LGW - EYW

1 stop23h 15mMultiple Airlines

Sun 12/1008:55EYW - LGW

1 stop20h 15mMultiple Airlines

Deal found 15/9£505

Thu 13/1107:45LCY - EYW

2 stops32h 46mDelta

Mon 17/1114:58EYW - LCY

2 stops20h 37mDelta

Deal found 14/9£507

Thu 16/1008:25LHR - EYW

1 stop32h 44mJetBlue

Thu 23/1013:04EYW - LHR

1 stop12h 26mJetBlue

Deal found 16/9£512

Thu 16/1008:15LHR - EYW

2 stops32h 54mIcelandair

Thu 23/1013:04EYW - LHR

1 stop12h 26mIcelandair

Deal found 16/9£554

Sun 5/1013:40LHR - EYW

1 stop32h 36mBritish Airways

Sun 12/1019:52EYW - LHR

1 stop32h 33mBritish Airways

Deal found 15/9£565

Mon 15/1206:05LHR - EYW

2 stops18h 29mMultiple Airlines

Fri 19/1219:52EYW - LHR

1 stop31h 23mMultiple Airlines

Deal found 15/9£600

Mon 15/1214:30LHR - EYW

1 stop13h 37mBritish Airways

Fri 19/1219:52EYW - LHR

1 stop31h 23mBritish Airways

Deal found 15/9£614

Thu 16/1018:30LHR - EYW

2 stops30h 36mMultiple Airlines

Thu 23/1012:22EYW - LHR

2 stops20h 23mMultiple Airlines

Deal found 16/9£617

Fri 31/1013:35LHR - EYW

2 stops28h 29mUnited Airlines

Fri 7/1115:00EYW - LHR

1 stop12h 25mUnited Airlines

Deal found 16/9£639

Sun 5/1019:05LHR - EYW

2 stops20h 47mAmerican Airlines

Sun 12/1016:53EYW - LHR

1 stop12h 27mAmerican Airlines

Deal found 15/9£640

Mon 22/1214:45LHR - EYW

1 stop26h 23mAmerican Airlines

Sun 28/1216:03EYW - LHR

2 stops21h 57mAmerican Airlines

Deal found 16/9£704

Best flights from London to Key West
Discover carefully curated flight deals from London to Key West that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Fri 6/311:20LGW - EYW

2 stops17h 39mAmerican Airlines

Tue 10/317:24EYW - LGW

2 stops34h 06mAmerican Airlines

Deal found 14/9£456

Fri 3/1015:15LHR - EYW

1 stop33h 52mVirgin Atlantic

Mon 6/1013:57EYW - LHR

2 stops34h 53mVirgin Atlantic

Deal found 13/9£459

Fri 20/206:05LHR - EYW

2 stops22h 54mBritish Airways

Wed 18/320:01EYW - LHR

1 stop12h 04mBritish Airways

Deal found 15/9£471

Sun 5/1014:00LGW - EYW

1 stop23h 15mMultiple Airlines

Sun 12/1008:55EYW - LGW

1 stop20h 15mMultiple Airlines

Deal found 15/9£505

Thu 13/1107:45LCY - EYW

2 stops32h 46mDelta

Mon 17/1114:58EYW - LCY

2 stops20h 37mDelta

Deal found 14/9£507

Tue 17/206:00LHR - EYW

2 stops22h 59mBritish Airways

Thu 19/320:01EYW - LHR

1 stop30h 49mBritish Airways

Deal found 15/9£471

Thu 12/306:15LHR - EYW

2 stops21h 44mAmerican Airlines

Mon 16/315:48EYW - LHR

1 stop15h 52mAmerican Airlines

Deal found 13/9£471

Fri 20/206:05LHR - EYW

2 stops22h 54mBritish Airways

Thu 19/315:59EYW - LHR

1 stop16h 06mBritish Airways

Deal found 15/9£471

Wed 18/211:25LHR - EYW

2 stops17h 34mAmerican Airlines

Sun 15/312:09EYW - LHR

1 stop19h 21mAmerican Airlines

Deal found 15/9£471

Sun 22/206:05LHR - EYW

2 stops17h 32mBritish Airways

Wed 18/320:01EYW - LHR

1 stop30h 49mBritish Airways

Deal found 15/9£471

Mon 16/211:25LHR - EYW

2 stops17h 34mAmerican Airlines

Sat 14/315:59EYW - LHR

1 stop12h 16mAmerican Airlines

Deal found 15/9£471

Sun 22/206:05LHR - EYW

2 stops22h 54mBritish Airways

Tue 17/320:01EYW - LHR

1 stop12h 04mBritish Airways

Deal found 15/9£471

Thu 12/311:20LGW - EYW

2 stops40h 39mAmerican Airlines

Mon 16/313:59EYW - LGW

2 stops13h 31mAmerican Airlines

Deal found 15/9£477

Mon 16/206:05LHR - EYW

2 stops17h 32mBritish Airways

Sun 15/313:59EYW - LHR

1 stop12h 51mBritish Airways

Deal found 15/9£471

Sun 21/1207:00LGW - EYW

2 stops32h 31mMultiple Airlines

Sun 28/1208:55EYW - LGW

1 stop20h 05mMultiple Airlines

Deal found 16/9£922

Mon 22/1208:40LCY - EYW

2 stops17h 16mVirgin Atlantic

Sun 28/1218:20EYW - LCY

2 stops17h 15mVirgin Atlantic

Deal found 16/9£991

Mon 22/1214:00LGW - EYW

1 stop29h 25mMultiple Airlines

Sun 28/1208:55EYW - LGW

1 stop20h 05mMultiple Airlines

Deal found 16/9£972

Mon 22/1209:50LCY - EYW

3 stops33h 23mMultiple Airlines

Sun 28/1217:05EYW - LCY

2 stops19h 35mMultiple Airlines

Deal found 16/9£1,045

Last-minute flights from London to Key West
Discover last-minute flight deals from London to Key West. Data last updated 17 September 2025 and is based on user searches.

Fri 3/1015:15LHR - EYW

1 stop33h 52mVirgin Atlantic

Mon 6/1013:57EYW - LHR

2 stops34h 53mVirgin Atlantic

Deal found 13/9£459

Sun 5/1014:00LGW - EYW

1 stop23h 15mMultiple Airlines

Sun 12/1008:55EYW - LGW

1 stop20h 15mMultiple Airlines

Deal found 15/9£505

Sun 5/1013:40LHR - EYW

1 stop32h 36mBritish Airways

Sun 12/1019:52EYW - LHR

1 stop32h 33mBritish Airways

Deal found 15/9£565

Sun 5/1019:05LHR - EYW

2 stops20h 47mAmerican Airlines

Sun 12/1016:53EYW - LHR

1 stop12h 27mAmerican Airlines

Deal found 15/9£640

Sun 5/1008:20LHR - EYW

2 stops16h 47mVirgin Atlantic

Sun 12/1012:22EYW - LHR

2 stops14h 43mVirgin Atlantic

Deal found 15/9£1,060

Thu 16/1008:25LHR - EYW

1 stop32h 44mJetBlue

Thu 23/1013:04EYW - LHR

1 stop12h 26mJetBlue

Deal found 16/9£512

Thu 16/1008:15LHR - EYW

2 stops32h 54mIcelandair

Thu 23/1013:04EYW - LHR

1 stop12h 26mIcelandair

Deal found 16/9£554

Thu 16/1018:30LHR - EYW

2 stops30h 36mMultiple Airlines

Thu 23/1012:22EYW - LHR

2 stops20h 23mMultiple Airlines

Deal found 16/9£617

Sat 18/1011:20LHR - EYW

1 stop13h 46mDelta

Tue 21/1018:17EYW - LHR

1 stop14h 13mDelta

Deal found 15/9£830

Sat 18/1006:15LHR - EYW

2 stops18h 51mVirgin Atlantic

Tue 21/1013:57EYW - LHR

2 stops15h 33mVirgin Atlantic

Deal found 15/9£1,086

Fri 31/1013:35LHR - EYW

2 stops28h 29mUnited Airlines

Fri 7/1115:00EYW - LHR

1 stop12h 25mUnited Airlines

Deal found 16/9£639

One-way flights from London to Key West
Search for one-way flight options from London to Key West. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Mon 6/1013:25LHR - EYW

3 stops49h 42mMultiple Airlines

Deal found 14/9£436

Mon 6/1009:55LHR - EYW

2 stops36h 26mVirgin Atlantic

Deal found 14/9£540

Sun 28/1206:00LHR - EYW

2 stops34h 22mTAP AIR PORTUGAL

Deal found 14/9£1,829

Sun 28/1209:45LHR - EYW

1 stop14h 37mBritish Airways

Deal found 14/9£2,195

Sun 28/1210:40LGW - EYW

2 stops29h 42mTAP AIR PORTUGAL

Deal found 14/9£2,358

Sun 28/1219:15LCY - EYW

2 stops29h 07mBritish Airways

Deal found 14/9£2,473

Sun 28/1211:55LGW - EYW

3 stops28h 39mMultiple Airlines

Deal found 14/9£3,850

Sun 28/1206:35LHR - EYW

3 stops33h 59mMultiple Airlines

Deal found 14/9£4,175

Sun 28/1217:45LCY - EYW

3 stops46h 56mMultiple Airlines

Deal found 14/9£7,701

Fly from

Fly to

Route

Depart

Return

Price

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Fri 6/3

11:20-23:59

2 stops17h 39m

Key West

Tue 10/3

17:24-07:30

2 stops34h 06m

£456

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Fri 3/10

15:15-20:07

1 stop33h 52m

Key West

Mon 6/10

13:57-05:50

2 stops34h 53m

£459

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Fri 20/2

06:05-23:59

2 stops22h 54m

Key West

Wed 18/3

20:01-12:05

1 stop12h 04m

£471

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 17/2

06:00-23:59

2 stops22h 59m

Key West

Thu 19/3

20:01-06:50

1 stop30h 49m

£471

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 12/3

06:15-23:59

2 stops21h 44m

Key West

Mon 16/3

15:48-11:40

1 stop15h 52m

£471

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Fri 20/2

06:05-23:59

2 stops22h 54m

Key West

Thu 19/3

15:59-12:05

1 stop16h 06m

£471

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 18/2

11:25-23:59

2 stops17h 34m

Key West

Sun 15/3

12:09-11:30

1 stop19h 21m

£471

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Sun 22/2

06:05-18:37

2 stops17h 32m

Key West

Wed 18/3

20:01-06:50

1 stop30h 49m

£471

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Mon 16/2

11:25-23:59

2 stops17h 34m

Key West

Sat 14/3

15:59-08:15

1 stop12h 16m

£471

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Sun 22/2

06:05-23:59

2 stops22h 54m

Key West

Tue 17/3

20:01-12:05

1 stop12h 04m

£471

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 27 results

Best time to book a flight from London to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from London 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 from London to Key West

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

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 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest time of day to fly from LON to EYW?

It’s optimal to fly from London to Key West in the morning. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the evening.

What’s the top stopover airport for flights from London to Key West?

Atlanta (ATL) – chosen by Cheapflights users on 53% of one-stop itineraries from London to Key West on Cheapflights.

What’s the cheapest stopover airport for flights from London to Key West?

Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £642.

What’s the fastest stopover option from London to Key West?

Flights via Miami (MIA) have the shortest average one-way travel time for one-stop routes: 13h 27m.

Which airport typically offers the quickest stopover for flights from London to Key West?

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 59m.

Reviews of airlines servicing Key West

Check out reviews from past customers who have flown with KLM, Finnair, andVirgin Atlantic from London to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Finnair

7.6

Good

1,324 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

664 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,363 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

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. 3 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.
How long is the flight from London to Key West?
For as low as £456, American Airlines can have you in Key West from London in 17h 39m. The distance from London to Key West is about 4555 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London to Key West round-trip?
Virgin Atlantic, at £439, was found to be the cheapest airline from London to Key West.Alternate airlines flying return to your destination include British Airways and American Airlines. These flights start at 28% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from London to Key West one-way?
The cheapet airlines for a one-way flight from London to Key West are Virgin Atlantic (£540), TAP AIR PORTUGAL (£1,829), and British Airways (£2,195).
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 City - Key West or London Gatwick - Key West.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from London to Key West

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£439	Average£776	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£442	Average£506	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£509	Average£547	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

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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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.

Cheap flights from London to Key West from £436

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Key West are usually found in September or November, booked 80 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from London to Key West

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Key West

Cheapest flights from London to Key WestExplore the most affordable flight options available from London to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from London to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Key West that are best for you.

Best time to book a flight from London to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Key West

How far ahead should I 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 12 September 2025.

What is the cheapest time of day to fly from LON to EYW?

Find hourly flight availability from London to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

What’s the top stopover airport for flights from London to Key West?

Share of one-stop return flights from London to Key West chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from London to Key West?

Average return fare for one-stop flights from London to Key West, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from London to Key West?

Shortest average travel time for one-stop one-way flights from London to Key West, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from London to Key West?

Average stopover duration for one-stop one-way flights from London to Key West, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Key West

Check out reviews from past customers who have flown with KLM, Finnair, andVirgin Atlantic from London to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from London to Key West?

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

What are the cheapest airlines to fly from London to Key West one-way?

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

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

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

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

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Top 3 airlines flying from London to Key West

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Cheapest flights from London to Key West
Explore the most affordable flight options available from London to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.