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

Cheapflights users have booked flights from Key West to London round-trip from £559. Other airlines that can offer you cheap pricing are Delta, from £567, and United Airlines, from £598. Users have found that British Airways is 25% cheaper than the other options available to this destination.

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

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £878. Users have also found prices from £924 and £6,565 on Delta and British Airways, respectively.

What is the cheapest month to book a flight from Key West to London?

Currently, January is the cheapest month in which you can book a flight from Key West to London (average of £112). Flying from Key West to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Travellers seeking maximum savings on their Key West to London flight should consider departing on Sunday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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

Saturday is generally a great day to depart. Flying on this day could help you save up to 101%.

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

May can be a great time to fly to London from Key West with a flight ticket averaging about £748. Cheapflights users have found deals in the month of May for as cheap as £548. The most expensive prices can be found in the month of June.

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

When flying from Key West to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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. 1 airline 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.

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.

£528+ Flights from Key West to London

Cheap flight deals from Key West to London

Round-trip from	£528
Popular in	June
Cheapest in	May
Average price	£633

22/8-30/8
4 total stops
76h 13m total
Key West to London

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£60 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Key West to London

Cheapest flights from Key West to London
Explore the most affordable flight options available from Key West to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Fri 22/810:33EYW - LGW

3 stops44h 12mMultiple Airlines

Sat 30/814:00LGW - EYW

1 stop32h 01mMultiple Airlines

Deal found 15/4£528

Fri 2/515:56EYW - LHR

1 stop13h 39mBritish Airways

Fri 9/506:10LHR - EYW

2 stops17h 39mBritish Airways

Deal found 15/4£559

Fri 2/515:00EYW - LHR

2 stops16h 35mDelta

Fri 9/506:30LHR - EYW

2 stops18h 37mDelta

Deal found 15/4£567

Fri 22/815:05EYW - LHR

2 stops14h 35mUnited Airlines

Sat 30/812:40LHR - EYW

2 stops30h 20mUnited Airlines

Deal found 15/4£598

Fri 22/811:45EYW - LHR

1 stop14h 00mAir France

Sat 30/806:15LHR - EYW

2 stops18h 31mAir France

Deal found 15/4£620

Fri 22/814:35EYW - LHR

1 stop11h 10mKLM

Sat 30/809:20LHR - EYW

1 stop12h 55mKLM

Deal found 15/4£626

Fri 2/513:39EYW - LGW

2 stops16h 16mBritish Airways

Fri 9/511:35LGW - EYW

2 stops36h 14mBritish Airways

Deal found 15/4£1,179

Fri 22/810:33EYW - LHR

2 stops14h 57mMultiple Airlines

Sat 30/814:05LHR - EYW

3 stops31h 56mMultiple Airlines

Deal found 15/4£1,676

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 16 April 2025.

Fri 22/810:33EYW - LGW

3 stops44h 12mMultiple Airlines

Sat 30/814:00LGW - EYW

1 stop32h 01mMultiple Airlines

Deal found 15/4£528

Fri 2/515:56EYW - LHR

1 stop13h 39mBritish Airways

Fri 9/506:10LHR - EYW

2 stops17h 39mBritish Airways

Deal found 15/4£559

Fri 2/515:00EYW - LHR

2 stops16h 35mDelta

Fri 9/506:30LHR - EYW

2 stops18h 37mDelta

Deal found 15/4£567

Fri 22/815:05EYW - LHR

2 stops14h 35mUnited Airlines

Sat 30/812:40LHR - EYW

2 stops30h 20mUnited Airlines

Deal found 15/4£598

Fri 22/811:45EYW - LHR

1 stop14h 00mAir France

Sat 30/806:15LHR - EYW

2 stops18h 31mAir France

Deal found 15/4£620

Fri 22/814:35EYW - LHR

1 stop11h 10mKLM

Sat 30/809:20LHR - EYW

1 stop12h 55mKLM

Deal found 15/4£626

Fri 2/513:39EYW - LGW

2 stops16h 16mBritish Airways

Fri 9/511:35LGW - EYW

2 stops36h 14mBritish Airways

Deal found 15/4£1,179

Fri 22/810:33EYW - LHR

2 stops14h 57mMultiple Airlines

Sat 30/814:05LHR - EYW

3 stops31h 56mMultiple Airlines

Deal found 15/4£1,676

Last-minute flights from Key West to London
Discover last-minute flight deals from Key West to London. Data last updated 16 April 2025 and is based on user searches.

Fri 2/515:56EYW - LHR

1 stop13h 39mBritish Airways

Fri 9/506:10LHR - EYW

2 stops17h 39mBritish Airways

Deal found 15/4£559

Fri 2/515:00EYW - LHR

2 stops16h 35mDelta

Fri 9/506:30LHR - EYW

2 stops18h 37mDelta

Deal found 15/4£567

Fri 2/513:39EYW - LGW

2 stops16h 16mBritish Airways

Fri 9/511:35LGW - EYW

2 stops36h 14mBritish Airways

Deal found 15/4£1,179

One-way flights from Key West to London
Search for one-way flight options from Key West to London. Find affordable one-way fares based on user searches. Data last updated 16 April 2025.

Mon 5/514:18EYW - LHR

2 stops16h 27mUnited Airlines

Deal found 15/4£878

Mon 5/507:00EYW - LHR

2 stops19h 15mDelta

Deal found 16/4£924

Sun 4/513:39EYW - LGW

2 stops16h 11mBritish Airways

Deal found 15/4£6,565

Sun 4/515:56EYW - LHR

3 stops48h 59mMultiple Airlines

Deal found 15/4£11,564

Sun 4/515:56EYW - LGW

3 stops43h 19mMultiple Airlines

Deal found 15/4£11,919

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Key WestLondon

EYW - LGW

EYWLGW

Key West

Fri 22/8

10:33-11:45

3 stops44h 12m

London Gatwick

Sat 30/8

14:00-17:01

1 stop32h 01m

£528

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 2/5

15:56-10:35

1 stop13h 39m

London Heathrow

Fri 9/5

06:10-18:49

2 stops17h 39m

£559

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 2/5

15:00-12:35

2 stops16h 35m

London Heathrow

Fri 9/5

06:30-20:07

2 stops18h 37m

£567

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 22/8

15:05-10:40

2 stops14h 35m

London Heathrow

Sat 30/8

12:40-14:00

2 stops30h 20m

£598

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 22/8

11:45-06:45

1 stop14h 00m

London Heathrow

Sat 30/8

06:15-19:46

2 stops18h 31m

£620

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 22/8

14:35-06:45

1 stop11h 10m

London Heathrow

Sat 30/8

09:20-17:15

1 stop12h 55m

£626

Key WestLondon

EYW - LGW

EYWLGW

Key West

Fri 2/5

13:39-10:55

2 stops16h 16m

London Gatwick

Fri 9/5

11:35-18:49

2 stops36h 14m

£1,179

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 22/8

10:33-06:30

2 stops14h 57m

London Heathrow

Sat 30/8

14:05-17:01

3 stops31h 56m

£1,676

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 5/5

14:18-11:45

2 stops16h 27m

£878

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 5/5

18:13-13:30

1 stop14h 17m

£924

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 13 results

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

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,917 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,326 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,658 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways

6.6

Okay

6,765 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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. 1 airline 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.
What are the cheapest airlines flying from Key West to London round-trip?
Cheapflights users have booked flights from Key West to London round-trip from £559. Other airlines that can offer you cheap pricing are Delta, from £567, and United Airlines, from £598. Users have found that British Airways is 25% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Key West to London one-way?
For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £878. Users have also found prices from £924 and £6,565 on Delta and British Airways, respectively.
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.
What is the cheapest month to book a flight from Key West to London?
Currently, January is the cheapest month in which you can book a flight from Key West to London (average of £112). Flying from Key West to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Wembley

Hayes

Crawley

Southend-on-Sea

Maidstone

Ipswich

Southall

Ilford

Winchester

Folkestone

Dartford

Watford

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Key West to London

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£602	Average£1,101	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

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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Cheapflights is completely free to use, so you can start saving the moment you arrive.

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Our users can plan ahead with confidence and find flights with no change fees

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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 Key West to London from £528

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Key West to London

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Key West to London

Cheapest flights from Key West to LondonExplore the most affordable flight options available from Key West to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Explore the most affordable flight options available from Key West to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 16 April 2025.

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?

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

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

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

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

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

What is the cheapest month to book a flight from Key West to London?

Travelling to a place near 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 Key West to London

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

Top airline flying from Key West to London

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Key West to London
Explore the most affordable flight options available from Key West to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.