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$609+ Cheap flights from Key West (EYW) to London (LON)

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LON
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap 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 April 17, 2025.

Round-trip from

$763
(United Airlines)

One-way from

$609
(Delta)

Popular in

June

Cheapest in

May

Average price

$837
From Key West to London (LON)
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One-way flight from Key West to London (LON)
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Highest demand for flights based on searches. 9% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/72:18 pmEYW - LHR
1 stop14h 02mUnited Airlines
Wed 5/219:30 amLHR - EYW
2 stops32h 23mUnited Airlines
Deal found 4/16$763
This Air France deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:25 pmEYW - LHR
1 stop14h 05mMultiple Airlines
Tue 5/206:30 amLHR - EYW
2 stops16h 00mMultiple Airlines
Deal found 4/16$772
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:48 amEYW - LHR
2 stops15h 17mDelta
Tue 5/206:30 amLHR - EYW
2 stops18h 37mDelta
Deal found 4/16$777
This KLM deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:25 pmEYW - LHR
1 stop11h 45mKLM
Tue 5/206:30 amLHR - EYW
2 stops18h 37mKLM
Deal found 4/16$822
This Air France deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:25 pmEYW - LHR
1 stop14h 05mAir France
Wed 5/216:15 amLHR - EYW
2 stops16h 15mAir France
Deal found 4/16$828
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/22:38 pmEYW - LHR
1 stop13h 22mAmerican Airlines
Fri 5/96:10 amLHR - EYW
2 stops17h 39mAmerican Airlines
Deal found 4/17$990
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/135:28 pmEYW - LGW
2 stops33h 27mMultiple Airlines
Sat 6/212:00 pmLGW - EYW
1 stop24h 42mMultiple Airlines
Deal found 4/15$1,022
This Expedia deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/71:25 pmEYW - LHR
1 stop15h 00mBritish Airways
Mon 7/281:40 pmLHR - EYW
1 stop34h 21mBritish Airways
Deal found 4/16$1,157
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/21:39 pmEYW - LGW
2 stops16h 16mBritish Airways
Fri 5/911:35 amLGW - EYW
2 stops36h 14mBritish Airways
Deal found 4/17$1,801

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated April 17, 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 - LHR

EYWLHR

Key West

Wed 5/7

2:18 pm-9:20 am

1 stop14h 02m

London Heathrow

Wed 5/21

9:30 am-12:53 pm

2 stops32h 23m

$763

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 5/7

6:25 pm-1:30 pm

1 stop14h 05m

London Heathrow

Tue 5/20

6:30 am-5:30 pm

2 stops16h 00m

$772

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 5/7

11:48 am-8:05 am

2 stops15h 17m

London Heathrow

Tue 5/20

6:30 am-8:07 pm

2 stops18h 37m

$777

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 5/8

6:25 pm-11:10 am

1 stop11h 45m

London Heathrow

Tue 5/20

6:30 am-8:07 pm

2 stops18h 37m

$822

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 5/8

6:25 pm-1:30 pm

1 stop14h 05m

London Heathrow

Wed 5/21

6:15 am-5:30 pm

2 stops16h 15m

$828

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 5/2

2:38 pm-9:00 am

1 stop13h 22m

London Heathrow

Fri 5/9

6:10 am-6:49 pm

2 stops17h 39m

$990

Key WestLondon

EYW - LGW

EYWLGW

Key West

Fri 6/13

5:28 pm-7:55 am

2 stops33h 27m

London Gatwick

Sat 6/21

2:00 pm-9:42 am

1 stop24h 42m

$1,022

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 7/7

1:25 pm-9:25 am

1 stop15h 00m

London Heathrow

Mon 7/28

1:40 pm-7:01 pm

1 stop34h 21m

$1,157

Key WestLondon

EYW - LGW

EYWLGW

Key West

Fri 5/2

1:39 pm-10:55 am

2 stops16h 16m

London Gatwick

Fri 5/9

11:35 am-6:49 pm

2 stops36h 14m

$1,801

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 5/16

1:51 pm-12:35 pm

2 stops17h 44m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 15 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 round-trip 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

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

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

When flying from Key West to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 23% versus a flight at noon.

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 17, 2025.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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

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.

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

    Currently priced at $763, United Airlines will fly you from Key West to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from $777 and $822, respectively. United Airlines is priced at 22% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $609 on Delta. Other airlines that offer cheap prices include United Airlines from $1,258 and Virgin Atlantic from $1,829 one-way.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Key West to London (average of $661). Flying from Key West to London in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Wembley
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Milton Keynes
Chelmsford
Sutton

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