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

Virgin Atlantic, at £458, was found to be the cheapest airline from London to Key West.Alternate airlines flying return to your destination include British Airways and Royal Air Maroc. These flights start at 26% lower than the current average price 3 months from now.

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.

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

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

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 24% 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 23 days early can save you up to 66% on average compared to booking a flight this week. If booking 23 days before your flight isn’t an option for you, users have found flights from London to Key West for as little as £487 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 £1,076 for flights departing within the next 3 days.

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

September is one of the best times of the year to fly to Key West from London. Prices for September average £621 per person but you can even find prices for as low as £411. The most expensive prices can be found in the month of December. Opting for a September flight can save you 36% on your journey compared to booking in December

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. 2 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.

£458+ Flights from London to Key West

Cheapflights Tip: The best prices from London to Key West are usually found in September or February, 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	£458
Popular in	December
Cheapest in	September
Average price	£637

Virgin Atlantic
10/9-17/9
3 total stops
41h 49m total
London to Key West

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£21 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 June 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 13 junho 2025.

qua 10/911:45LHR - EYW

2 stops36h 59mVirgin Atlantic

qua 17/911:45EYW - LHR

2 stops14h 30mVirgin Atlantic

Deal found 12/6£458

qua 10/920:10LCY - EYW

2 stops28h 34mVirgin Atlantic

qua 17/918:00EYW - LCY

2 stops18h 20mVirgin Atlantic

Deal found 12/6£492

ter 8/713:40LHR - EYW

2 stops27h 20mBritish Airways

seg 14/713:25EYW - LHR

2 stops13h 20mBritish Airways

Deal found 11/6£515

ter 8/713:40LHR - EYW

2 stops27h 20mRoyal Air Maroc

seg 14/716:48EYW - LHR

1 stop11h 17mRoyal Air Maroc

Deal found 12/6£517

ter 8/713:40LHR - EYW

2 stops27h 20mAlaska Airlines

seg 14/716:48EYW - LHR

1 stop11h 17mAlaska Airlines

Deal found 11/6£519

ter 8/713:40LHR - EYW

1 stop28h 15mIberia

seg 14/716:48EYW - LHR

1 stop11h 17mIberia

Deal found 11/6£523

ter 8/719:05LHR - EYW

2 stops21h 55mAmerican Airlines

seg 14/712:47EYW - LHR

2 stops14h 03mAmerican Airlines

Deal found 12/6£538

qua 9/716:40LHR - EYW

2 stops25h 32mUnited Airlines

qua 16/714:12EYW - LHR

2 stops15h 28mUnited Airlines

Deal found 12/6£603

ter 8/712:20LGW - EYW

1 stop26h 02mMultiple Airlines

seg 14/710:02EYW - LGW

1 stop18h 58mMultiple Airlines

Deal found 12/6£659

dom 27/708:55LHR - EYW

2 stops15h 26mMultiple Airlines

dom 3/819:51EYW - LHR

1 stop30h 04mMultiple Airlines

Deal found 12/6£689

dom 27/720:10LHR - EYW

2 stops19h 41mDelta

qui 7/814:03EYW - LHR

1 stop18h 27mDelta

Deal found 12/6£699

sáb 26/712:00LGW - EYW

2 stops36h 49mVirgin Atlantic

sáb 2/818:27EYW - LGW

2 stops34h 33mVirgin Atlantic

Deal found 11/6£768

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 13 junho 2025.

qua 10/920:55LHR - EYW

2 stops27h 49mVirgin Atlantic

qua 17/911:45EYW - LHR

1 stop14h 00mVirgin Atlantic

Deal found 12/6£458

ter 8/713:40LHR - EYW

2 stops27h 20mBritish Airways

seg 14/713:25EYW - LHR

2 stops13h 20mBritish Airways

Deal found 11/6£515

ter 8/713:40LHR - EYW

2 stops27h 20mRoyal Air Maroc

seg 14/716:48EYW - LHR

1 stop11h 17mRoyal Air Maroc

Deal found 12/6£517

ter 8/713:40LHR - EYW

2 stops27h 20mAlaska Airlines

seg 14/716:48EYW - LHR

1 stop11h 17mAlaska Airlines

Deal found 11/6£519

ter 8/713:40LHR - EYW

1 stop28h 15mIberia

seg 14/716:48EYW - LHR

1 stop11h 17mIberia

Deal found 11/6£523

ter 8/718:50LHR - EYW

2 stops21h 01mDelta

seg 14/711:48EYW - LHR

1 stop14h 27mDelta

Deal found 10/6£538

qua 16/708:55LHR - EYW

2 stops15h 26mFinnair

qua 30/716:58EYW - LHR

1 stop12h 32mFinnair

Deal found 10/6£542

qua 9/716:40LHR - EYW

2 stops25h 32mUnited Airlines

qua 16/714:12EYW - LHR

2 stops15h 28mUnited Airlines

Deal found 12/6£603

ter 8/712:20LGW - EYW

1 stop26h 02mMultiple Airlines

seg 14/710:02EYW - LGW

1 stop18h 58mMultiple Airlines

Deal found 10/6£641

dom 27/715:00LHR - EYW

1 stop28h 09mAmerican Airlines

dom 3/812:47EYW - LHR

1 stop15h 18mAmerican Airlines

Deal found 12/6£735

sáb 26/706:15LHR - EYW

2 stops18h 34mAir France

sáb 2/811:48EYW - LHR

2 stops16h 37mAir France

Deal found 11/6£907

qua 10/920:10LCY - EYW

2 stops28h 34mVirgin Atlantic

qua 17/918:00EYW - LCY

2 stops18h 20mVirgin Atlantic

Deal found 12/6£492

Last-minute flights from London to Key West
Discover last-minute flight deals from London to Key West. Data last updated 13 junho 2025 and is based on user searches.

ter 8/713:40LHR - EYW

2 stops27h 20mBritish Airways

seg 14/713:25EYW - LHR

2 stops13h 20mBritish Airways

Deal found 11/6£515

ter 8/713:40LHR - EYW

2 stops27h 20mRoyal Air Maroc

seg 14/716:48EYW - LHR

1 stop11h 17mRoyal Air Maroc

Deal found 12/6£517

ter 8/713:40LHR - EYW

2 stops27h 20mAlaska Airlines

seg 14/716:48EYW - LHR

1 stop11h 17mAlaska Airlines

Deal found 11/6£519

ter 8/713:40LHR - EYW

1 stop28h 15mIberia

seg 14/716:48EYW - LHR

1 stop11h 17mIberia

Deal found 11/6£523

ter 8/719:05LHR - EYW

2 stops21h 55mAmerican Airlines

seg 14/712:47EYW - LHR

2 stops14h 03mAmerican Airlines

Deal found 12/6£538

ter 8/712:20LGW - EYW

1 stop26h 02mMultiple Airlines

seg 14/710:02EYW - LGW

1 stop18h 58mMultiple Airlines

Deal found 12/6£659

qua 9/716:40LHR - EYW

2 stops25h 32mUnited Airlines

qua 16/714:12EYW - LHR

2 stops15h 28mUnited Airlines

Deal found 12/6£603

qui 10/709:20LHR - EYW

1 stop13h 12mVirgin Atlantic

sáb 19/718:27EYW - LHR

2 stops44h 33mVirgin Atlantic

Deal found 11/6£552

sáb 26/712:00LGW - EYW

2 stops36h 49mVirgin Atlantic

sáb 2/818:27EYW - LGW

2 stops34h 33mVirgin Atlantic

Deal found 11/6£768

sáb 26/710:00LCY - EYW

2 stops36h 32mMultiple Airlines

sáb 2/818:27EYW - LCY

2 stops31h 48mMultiple Airlines

Deal found 11/6£806

dom 27/708:55LHR - EYW

2 stops15h 26mMultiple Airlines

dom 3/819:51EYW - LHR

1 stop30h 04mMultiple Airlines

Deal found 12/6£689

dom 27/720:10LHR - EYW

2 stops19h 41mDelta

qui 7/814:03EYW - LHR

1 stop18h 27mDelta

Deal found 12/6£699

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonKey West

LHR - EYW

LHREYW

London Heathrow

qua 10/9

20:55-19:44

2 stops27h 49m

Key West

qua 17/9

11:45-06:45

1 stop14h 00m

£458

LondonKey West

LCY - EYW

LCYEYW

London City

qua 10/9

20:10-19:44

2 stops28h 34m

Key West

qua 17/9

18:00-17:20

2 stops18h 20m

£492

LondonKey West

LHR - EYW

LHREYW

London Heathrow

ter 8/7

13:40-12:00

2 stops27h 20m

Key West

seg 14/7

13:25-07:45

2 stops13h 20m

£515

LondonKey West

LHR - EYW

LHREYW

London Heathrow

ter 8/7

13:40-12:00

2 stops27h 20m

Key West

seg 14/7

16:48-09:05

1 stop11h 17m

£517

LondonKey West

LHR - EYW

LHREYW

London Heathrow

ter 8/7

13:40-12:00

2 stops27h 20m

Key West

seg 14/7

16:48-09:05

1 stop11h 17m

£519

LondonKey West

LHR - EYW

LHREYW

London Heathrow

ter 8/7

13:40-12:55

1 stop28h 15m

Key West

seg 14/7

16:48-09:05

1 stop11h 17m

£523

LondonKey West

LHR - EYW

LHREYW

London Heathrow

ter 8/7

19:05-12:00

2 stops21h 55m

Key West

seg 14/7

12:47-07:50

2 stops14h 03m

£538

LondonKey West

LHR - EYW

LHREYW

London Heathrow

qua 9/7

16:40-13:12

2 stops25h 32m

Key West

qua 16/7

14:12-10:40

2 stops15h 28m

£603

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

ter 8/7

12:20-09:22

1 stop26h 02m

Key West

seg 14/7

10:02-10:00

1 stop18h 58m

£659

LondonKey West

LHR - EYW

LHREYW

London Heathrow

dom 27/7

08:55-19:21

2 stops15h 26m

Key West

dom 3/8

19:51-06:55

1 stop30h 04m

£689

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 14 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.

Rainfall in Key West by month

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.

Temperature in Key West by month

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).

Reviews of airlines servicing Key West

Alaska Airlines

8.0

Very Good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very Good

10,000 reviews

Alaska Airlines

8.0

Very Good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very Good

7,946 reviews

Alaska Airlines

8.0

Very Good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Finnair

7.6

Good

1,290 reviews

Alaska Airlines

8.0

Very Good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Air France

7.5

Good

1,463 reviews

Alaska Airlines

8.0

Very Good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,790 reviews

Alaska Airlines

8.0

Very Good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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. 2 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.
What are the cheapest airlines flying from London to Key West round-trip?
Virgin Atlantic, at £458, was found to be the cheapest airline from London to Key West.Alternate airlines flying return to your destination include British Airways and Royal Air Maroc. These flights start at 26% 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 City - Key West. You may also consider London Gatwick - Key West or London Heathrow - 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 2 airlines flying from London to Key West

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£424	Average£621	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£444	Average£549	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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 £458

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. 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 February, 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

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 13 junho 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 13 junho 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 9 June 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 13 junho 2025.

Rainfall in Key West by month

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

Temperature in Key West by month

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

Reviews of airlines servicing Key West

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?

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

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?

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.

Alternative routes for London to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from London to Key West

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?

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

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

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

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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 13 junho 2025.