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

£699 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Virgin Atlantic and KLM, with prices starting from £781 and £812, respectively.

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 United Kingdom to Key West?

The most popular flight routes from United Kingdom to Key West are London Heathrow - Key West, London Gatwick - Key West and Edinburgh Turnhouse - Key West.

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

To save up to 66% on this flight, we recommend booking at least 23 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from United Kingdom to Key West from £482 1-2 weeks out and tickets from £1,000 for flights departing within the next 72 hours.

What is the cheapest month to fly from United Kingdom to Key West?

The best pricing can be found in the month of September. Prices to Key West from United Kingdom average £610. You can even find prices in September for less than £610, as users have found deals to Key West from as low as £407. The month of December appears to be one of the more expensive times to travel to Key West from United Kingdom. Flying in the targeted month can save you up to 37%.

What airport do you fly into for flights to Key West from United Kingdom?

Located just 2.6 mi from the city center, Key West (EYW) is the airport most travelers will use when flying to Key West from United Kingdom.

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

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

How can I find direct flights from United Kingdom to Key West?

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

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

Yes. Cheapflights offers flight deals from United Kingdom 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.

£727+ Flights from the United Kingdom to Key West

Cheap flight deals from United Kingdom to Key West

Round-trip from	£461
Popular in	December
Cheapest in	September
Average price	£668

Virgin Atlantic
3/10-11/10
3 total stops
26h 59m total
United Kingdom to Key West

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£25 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 United Kingdom to Key West

Cheapest flights from United Kingdom to Key West
Explore the most affordable flight options available from United Kingdom to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2025.

Fri 3/1009:20LHR - EYW

1 stop12h 52mVirgin Atlantic

Sat 11/1011:45EYW - LHR

1 stop14h 00mVirgin Atlantic

Deal found 25/6£461

Thu 9/1009:55LHR - EYW

2 stops30h 04mDelta

Wed 15/1014:35EYW - LHR

2 stops13h 40mDelta

Deal found 25/6£472

Thu 9/1009:20LHR - EYW

1 stop15h 24mKLM

Wed 15/1018:00EYW - LHR

1 stop12h 10mKLM

Deal found 25/6£486

Thu 13/1107:45LCY - EYW

2 stops16h 59mVirgin Atlantic

Mon 17/1118:00EYW - LCY

2 stops18h 20mVirgin Atlantic

Deal found 24/6£506

Tue 8/710:05LHR - EYW

1 stop32h 46mAmerican Airlines

Tue 15/711:18EYW - LHR

2 stops18h 12mAmerican Airlines

Deal found 25/6£519

Thu 13/1108:40LCY - EYW

2 stops33h 28mDelta

Mon 17/1107:00EYW - LCY

2 stops28h 35mDelta

Deal found 25/6£523

Wed 6/812:00LGW - EYW

2 stops36h 49mVirgin Atlantic

Wed 13/814:00EYW - LGW

2 stops15h 00mVirgin Atlantic

Deal found 25/6£525

Thu 13/1112:40GLA - EYW

2 stops28h 36mAmerican Airlines

Mon 17/1112:12EYW - GLA

2 stops23h 23mAmerican Airlines

Deal found 24/6£530

Fri 14/1108:25EDI - EYW

2 stops31h 48mAmerican Airlines

Tue 18/1119:33EYW - EDI

2 stops14h 42mAmerican Airlines

Deal found 25/6£535

Wed 6/818:00LHR - EYW

1 stop24h 26mUnited Airlines

Wed 13/814:12EYW - LHR

1 stop12h 03mUnited Airlines

Deal found 26/6£539

Sat 11/1009:55LHR - EYW

1 stop14h 12mBritish Airways

Thu 16/1018:02EYW - LHR

1 stop10h 23mBritish Airways

Deal found 25/6£549

Wed 6/819:05LHR - EYW

2 stops20h 48mIberia

Wed 13/817:55EYW - LHR

1 stop13h 35mIberia

Deal found 25/6£553

Best flights from United Kingdom to Key West
Discover carefully curated flight deals from United Kingdom to Key West that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 June 2025.

Fri 3/1011:20LHR - EYW

1 stop13h 24mVirgin Atlantic

Sat 11/1011:45EYW - LHR

2 stops13h 35mVirgin Atlantic

Deal found 25/6£461

Thu 9/1009:55LHR - EYW

2 stops30h 04mDelta

Wed 15/1014:35EYW - LHR

2 stops13h 40mDelta

Deal found 25/6£472

Thu 9/1009:20LHR - EYW

1 stop15h 24mKLM

Wed 15/1018:00EYW - LHR

1 stop12h 10mKLM

Deal found 25/6£486

Tue 8/710:05LHR - EYW

1 stop32h 46mAmerican Airlines

Tue 15/711:18EYW - LHR

2 stops18h 12mAmerican Airlines

Deal found 25/6£519

Wed 6/818:00LHR - EYW

1 stop24h 26mUnited Airlines

Wed 13/814:12EYW - LHR

1 stop12h 03mUnited Airlines

Deal found 26/6£539

Sat 11/1009:55LHR - EYW

1 stop14h 12mBritish Airways

Wed 15/1014:00EYW - LHR

1 stop14h 25mBritish Airways

Deal found 25/6£549

Wed 6/819:05LHR - EYW

2 stops20h 48mIberia

Wed 13/817:55EYW - LHR

1 stop13h 35mIberia

Deal found 25/6£553

Wed 9/714:00LGW - EYW

1 stop31h 45mMultiple Airlines

Thu 31/710:02EYW - LGW

1 stop18h 58mMultiple Airlines

Deal found 26/6£596

Thu 10/706:15LHR - EYW

2 stops18h 34mAir France

Fri 1/818:27EYW - LHR

1 stop14h 03mAir France

Deal found 26/6£667

Thu 13/1107:45LCY - EYW

2 stops16h 59mVirgin Atlantic

Mon 17/1118:00EYW - LCY

2 stops18h 20mVirgin Atlantic

Deal found 24/6£506

Thu 13/1108:40LCY - EYW

2 stops33h 28mDelta

Mon 17/1107:00EYW - LCY

2 stops28h 35mDelta

Deal found 25/6£523

Thu 13/1112:40GLA - EYW

2 stops28h 36mAmerican Airlines

Mon 17/1112:12EYW - GLA

2 stops23h 23mAmerican Airlines

Deal found 24/6£530

Last-minute flights from United Kingdom to Key West
Discover last-minute flight deals from United Kingdom to Key West. Data last updated 27 June 2025 and is based on user searches.

Tue 8/710:05LHR - EYW

1 stop32h 46mAmerican Airlines

Tue 15/711:18EYW - LHR

2 stops18h 12mAmerican Airlines

Deal found 25/6£519

Tue 8/720:10LHR - EYW

2 stops26h 02mDelta

Tue 29/714:03EYW - LHR

1 stop12h 12mDelta

Deal found 26/6£571

Tue 8/708:20LHR - EYW

2 stops40h 29mVirgin Atlantic

Sat 12/718:27EYW - LHR

2 stops33h 23mVirgin Atlantic

Deal found 25/6£576

Wed 9/714:00LGW - EYW

1 stop31h 45mMultiple Airlines

Thu 31/710:02EYW - LGW

1 stop18h 58mMultiple Airlines

Deal found 26/6£596

Thu 10/706:15LHR - EYW

2 stops18h 34mMultiple Airlines

Wed 30/714:03EYW - LHR

1 stop11h 42mMultiple Airlines

Deal found 26/6£597

Thu 10/706:15LHR - EYW

2 stops18h 34mAir France

Fri 1/818:27EYW - LHR

1 stop14h 03mAir France

Deal found 26/6£667

Fri 11/710:05LHR - EYW

2 stops30h 55mBritish Airways

Thu 31/713:25EYW - LHR

1 stop15h 00mBritish Airways

Deal found 26/6£595

Fri 11/717:40LHR - EYW

2 stops24h 32mUnited Airlines

Sat 2/814:08EYW - LHR

1 stop11h 37mUnited Airlines

Deal found 26/6£665

One-way flights from United Kingdom to Key West
Search for one-way flight options from United Kingdom to Key West. Find affordable one-way fares based on user searches. Data last updated 27 June 2025.

Wed 9/714:00LGW - EYW

1 stop31h 45mMultiple Airlines

Deal found 26/6£488

Fri 11/721:25LHR - EYW

2 stops48h 20mMultiple Airlines

Deal found 26/6£548

Mon 7/709:55LHR - EYW

1 stop14h 26mBritish Airways

Deal found 25/6£699

Mon 15/1206:30LHR - EYW

2 stops18h 14mVirgin Atlantic

Deal found 25/6£781

Mon 15/1207:45LCY - EYW

2 stops16h 59mKLM

Deal found 25/6£812

Wed 16/709:05LCY - EYW

2 stops31h 36mMultiple Airlines

Deal found 26/6£923

Thu 10/712:00LGW - EYW

2 stops27h 51mDelta

Deal found 26/6£1,751

Wed 9/706:30LHR - EYW

2 stops18h 19mDelta

Deal found 26/6£1,769

Sat 12/706:30LHR - EYW

2 stops16h 02mKLM

Deal found 26/6£1,774

Sat 12/712:20LGW - EYW

2 stops27h 28mAmerican Airlines

Deal found 26/6£1,824

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Fri 3/10

11:20-19:44

1 stop13h 24m

Key West

Sat 11/10

11:45-06:20

2 stops13h 35m

£461

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 9/10

09:55-10:59

2 stops30h 04m

Key West

Wed 15/10

14:35-09:15

2 stops13h 40m

£472

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 9/10

09:20-19:44

1 stop15h 24m

Key West

Wed 15/10

18:00-11:10

1 stop12h 10m

£486

LondonKey West

LCY - EYW

LCYEYW

London City

Thu 13/11

07:45-19:44

2 stops16h 59m

Key West

Mon 17/11

18:00-17:20

2 stops18h 20m

£506

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 8/7

10:05-13:51

1 stop32h 46m

Key West

Tue 15/7

11:18-10:30

2 stops18h 12m

£519

LondonKey West

LCY - EYW

LCYEYW

London City

Thu 13/11

08:40-13:08

2 stops33h 28m

Key West

Mon 17/11

07:00-16:35

2 stops28h 35m

£523

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Wed 6/8

12:00-19:49

2 stops36h 49m

Key West

Wed 13/8

14:00-10:00

2 stops15h 00m

£525

GlasgowKey West

GLA - EYW

GLAEYW

Glasgow Intl

Thu 13/11

12:40-12:16

2 stops28h 36m

Key West

Mon 17/11

12:12-16:35

2 stops23h 23m

£530

EdinburghKey West

EDI - EYW

EDIEYW

Edinburgh Turnhouse

Fri 14/11

08:25-11:13

2 stops31h 48m

Key West

Tue 18/11

19:33-15:15

2 stops14h 42m

£535

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 6/8

18:00-13:26

1 stop24h 26m

Key West

Wed 13/8

14:12-07:15

1 stop12h 03m

£539

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Showing 1-10 of 27 results

Best time to book a flight from United Kingdom to Key West

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

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Key West as you normally would.

Reviews of airlines servicing Key West

Check out reviews from past customers who have flown with Delta, KLM, andAir France from the United Kingdom 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.

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Delta

8.0

Very Good

7,963 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

KLM

7.8

Good

1,365 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Air France

7.5

Good

1,470 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

United Airlines

7.4

Good

8,838 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

What airport do you fly into for flights to Key West from United Kingdom?
Located just 2.6 mi from the city center, Key West (EYW) is the airport most travelers will use when flying to Key West from United Kingdom.
What are the cheapest airlines to fly from United Kingdom to Key West one-way?
£699 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Virgin Atlantic and KLM, with prices starting from £781 and £812, respectively.
What are the most popular routes from United Kingdom to Key West?
The most popular flight routes from United Kingdom to Key West are London Heathrow - Key West, London Gatwick - Key West and Edinburgh Turnhouse - Key West.
Can I find deals for flights from United Kingdom to Key West that include hotel bookings?
Yes. In addition to deals on United Kingdom to Key West flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Key West?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Key West.
Can I find deals for business class flights from United Kingdom to Key West?
Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Key West

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£420	Average£630	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Finnair	Cheapest£436	Average£535	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
British Airways	Cheapest£439	Average£566	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Key West?

When you search for this flight from United Kingdom to Key West, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Key West for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Key West from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Key West from United Kingdom today and book when prices fit your budget.

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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 the United Kingdom to Key West from £461

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Key West

Keep the following information in mind while searching for United Kingdom to Key West flight deals. Data was last updated 27 June 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from United Kingdom to Key West

Cheapest flights from United Kingdom to Key WestExplore the most affordable flight options available from United Kingdom to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2025.

Explore the most affordable flight options available from United Kingdom to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2025.

Cheapflights Fare Finder

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

Best time to book a flight from United Kingdom to Key West

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

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Key West

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

Find hourly flight availability from United Kingdom 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 27 June 2025.

Reviews of airlines servicing Key West

Check out reviews from past customers who have flown with Delta, KLM, andAir France from the United Kingdom 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 United Kingdom 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 United Kingdom?

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

What are the most popular routes from United Kingdom to Key West?

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

How can I find direct flights from United Kingdom to Key West?

Can I find deals for business class flights from United Kingdom 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 United Kingdom to Key West

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

Top 3 airlines flying from United Kingdom 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 United Kingdom to Key West?

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

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

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

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Travel Smart

Cheapest flights from United Kingdom to Key West
Explore the most affordable flight options available from United Kingdom to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2025.