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Cheap flights from Key West to London from £443

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LON
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Key West to London

Enter your travel dates to find the best prices.

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

Fri 30/113:06EYW - LGW
1 stop15h 54mMultiple Airlines
Fri 6/214:00LGW - EYW
2 stops50h 56mMultiple Airlines
Deal found 15/12£443
Fri 30/113:33EYW - LHR
1 stop13h 42mBritish Airways
Fri 6/206:05LHR - EYW
2 stops18h 05mBritish Airways
Deal found 15/12£468
Fri 20/218:40EYW - LHR
1 stop11h 10mUnited Airlines
Sun 1/306:50LHR - EYW
2 stops20h 19mUnited Airlines
Deal found 15/12£469
Sun 25/118:06EYW - LHR
1 stop12h 34mKLM
Sun 1/206:30LHR - EYW
2 stops18h 10mKLM
Deal found 15/12£470
Fri 30/112:20EYW - LHR
2 stops14h 45mVirgin Atlantic
Fri 6/206:30LHR - EYW
2 stops18h 10mVirgin Atlantic
Deal found 15/12£473
Thu 19/211:59EYW - LHR
2 stops17h 46mDelta
Sun 1/306:30LHR - EYW
2 stops18h 12mDelta
Deal found 15/12£477
Thu 19/211:59EYW - LHR
1 stop18h 41mMultiple Airlines
Sun 1/306:30LHR - EYW
2 stops18h 12mMultiple Airlines
Deal found 15/12£470
Sun 1/219:45EYW - LHR
1 stop31h 50mBritish Airways
Tue 10/206:00LHR - EYW
2 stops22h 56mBritish Airways
Deal found 15/12£472
Thu 19/211:59EYW - LHR
2 stops17h 46mDelta
Mon 2/306:30LHR - EYW
2 stops18h 12mDelta
Deal found 15/12£477
Sun 25/116:37EYW - LHR
1 stop33h 13mBritish Airways
Sun 1/217:05LHR - EYW
2 stops35h 51mBritish Airways
Deal found 16/12£478
Thu 19/213:36EYW - LHR
1 stop12h 14mMultiple Airlines
Sat 28/206:05LHR - EYW
2 stops17h 47mMultiple Airlines
Deal found 15/12£483
Sun 25/113:33EYW - LGW
2 stops24h 27mMultiple Airlines
Sun 1/211:45LGW - EYW
2 stops17h 11mMultiple Airlines
Deal found 15/12£490
Sun 1/213:33EYW - LGW
2 stops16h 17mBritish Airways
Tue 10/211:45LGW - EYW
2 stops17h 11mBritish Airways
Deal found 15/12£656
Thu 19/209:46EYW - LGW
1 stop19h 14mMultiple Airlines
Sun 1/313:00LGW - EYW
2 stops29h 30mMultiple Airlines
Deal found 15/12£601
Fri 20/213:06EYW - LGW
1 stop15h 54mMultiple Airlines
Sun 1/313:00LGW - EYW
2 stops29h 30mMultiple Airlines
Deal found 15/12£671
Fri 23/113:33EYW - LGW
2 stops24h 27mBritish Airways
Tue 27/119:40LGW - EYW
2 stops33h 16mBritish Airways
Deal found 15/12£765
Thu 19/209:46EYW - LGW
1 stop19h 14mMultiple Airlines
Sat 28/218:40LGW - EYW
2 stops43h 29mMultiple Airlines
Deal found 15/12£675
Fri 30/113:33EYW - LGW
2 stops24h 27mBritish Airways
Tue 3/211:45LGW - EYW
2 stops17h 11mBritish Airways
Deal found 14/12£765
Fri 20/213:06EYW - LGW
1 stop15h 54mMultiple Airlines
Sat 28/218:40LGW - EYW
2 stops43h 29mMultiple Airlines
Deal found 15/12£746
Fri 30/113:33EYW - LGW
2 stops16h 17mBritish Airways
Fri 6/211:45LGW - EYW
2 stops17h 11mBritish Airways
Deal found 15/12£905

Find flight deals from Key West to London

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to London (LON). 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 17 December 2025.

Round-trip from

£443
30/1-6/2
  • 30/1-6/2
  • 3 total stops
  • 66h 50m total
  • Key West to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Key West to London 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 858,174 searches. Data last updated 17 December 2025.
Use the filters below to find and compare flights from Key West to London that are best for you.

Fly from

Key West

Fly to

London

Route

Depart

Return

Price

Key WestLondon

EYW - LGW

EYWLGW

Key West

Fri 30/1

13:06-10:00

1 stop15h 54m

London Gatwick

Fri 6/2

14:00-11:56

2 stops50h 56m

£443

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 30/1

13:33-08:15

1 stop13h 42m

London Heathrow

Fri 6/2

06:05-19:10

2 stops18h 05m

£468

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 20/2

18:40-10:50

1 stop11h 10m

London Heathrow

Sun 1/3

06:50-22:09

2 stops20h 19m

£469

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 25/1

18:06-11:40

1 stop12h 34m

London Heathrow

Sun 1/2

06:30-19:40

2 stops18h 10m

£470

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 19/2

11:59-11:40

1 stop18h 41m

London Heathrow

Sun 1/3

06:30-19:42

2 stops18h 12m

£470

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 1/2

19:45-08:35

1 stop31h 50m

London Heathrow

Tue 10/2

06:00-23:56

2 stops22h 56m

£472

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 30/1

12:20-08:05

2 stops14h 45m

London Heathrow

Fri 6/2

06:30-19:40

2 stops18h 10m

£473

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 19/2

11:59-10:45

2 stops17h 46m

London Heathrow

Sun 1/3

06:30-19:42

2 stops18h 12m

£477

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 19/2

11:59-10:45

2 stops17h 46m

London Heathrow

Mon 2/3

06:30-19:42

2 stops18h 12m

£477

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 25/1

16:37-06:50

1 stop33h 13m

London Heathrow

Sun 1/2

17:05-23:56

2 stops35h 51m

£478

Flights are sorted by cheapest return flights first.

Deals found on 15/12

Showing 1-10 of 20 results
1
2

Best time to book a flight from Key West to London

Have a flexible travel schedule? Discover the best time to fly to London from Key West 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 Key West to London
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Key West to London. 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 from for flights from Key West to London?

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

  • How long is the flight from Key West to London?

    For as low as £469, British Airways can have you in London from Key West in 11h 10m. Airlines will cover a distance of 4539 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key West to London 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

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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 Key West to London?

Deals for Key West to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to London from Key West by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to London from Key West shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Key West to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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