HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$717+ Cheap flights from Key West (EYW) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LON
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key West to London with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 21, 2025.

Round-trip from

$717
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$783
From Key West to London (LON)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/20. 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 3/51:23 pmEYW - LHR
1 stop12h 32mUnited Airlines
Wed 3/123:00 pmLHR - EYW
2 stops34h 03mUnited Airlines
Deal found 1/20$717
This oojo deal was found by Cheapflights users on 1/20. 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.
Wed 3/53:57 pmEYW - LHR
1 stop15h 23mBritish Airways
Wed 3/129:50 amLHR - EYW
1 stop12h 59mBritish Airways
Deal found 1/20$733
This Delta deal was found by Cheapflights users on 1/20. 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.
Mon 1/277:00 amEYW - LHR
2 stops19h 55mDelta
Sun 2/28:40 amLHR - EYW
2 stops16h 31mDelta
Deal found 1/20$767
This KLM deal was found by Cheapflights users on 1/20. 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.
Sun 2/96:16 pmEYW - LHR
1 stop12h 24mKLM
Sun 3/98:25 pmLHR - EYW
2 stops28h 05mKLM
Deal found 1/20$777
This oojo deal was found by Cheapflights users on 1/20. 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.
Sun 2/97:29 pmEYW - LGW
2 stops33h 46mBritish Airways
Sun 3/910:55 amLGW - EYW
2 stops28h 08mBritish Airways
Deal found 1/20$787
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Wed 3/57:40 pmEYW - LGW
1 stop33h 20mMultiple Airlines
Wed 3/1211:40 amLGW - EYW
2 stops25h 35mMultiple Airlines
Deal found 1/20$1,189

Find flights from Key West to London within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 3/5

1:23 pm-6:55 am

1 stop12h 32m

London Heathrow

Wed 3/12

3:00 pm-9:03 pm

2 stops34h 03m

$717

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 3/5

3:57 pm-12:20 pm

1 stop15h 23m

London Heathrow

Wed 3/12

9:50 am-6:49 pm

1 stop12h 59m

$733

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/9

6:16 pm-11:40 am

1 stop12h 24m

London Heathrow

Sun 3/9

8:25 pm-8:30 pm

2 stops28h 05m

$777

Key WestLondon

EYW - LGW

EYWLGW

Key West

Sun 2/9

7:29 pm-10:15 am

2 stops33h 46m

London Gatwick

Sun 3/9

10:55 am-11:03 am

2 stops28h 08m

$787

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/9

6:16 pm-11:40 am

1 stop12h 24m

London Heathrow

Sun 3/9

10:50 am-8:30 pm

1 stop13h 40m

$790

Key WestLondon

EYW - LGW

EYWLGW

Key West

Wed 3/5

7:40 pm-10:00 am

1 stop33h 20m

London Gatwick

Wed 3/12

11:40 am-9:15 am

2 stops25h 35m

$1,189

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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.

Travel insights for flights from Key West to London

Get recent, data-driven insights about flights from Key West to London including ideal travel times, pricing trends, and more.

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 January 21, 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 January 21, 2025.
To help decide which airline to fly from Key West to London, see what other customers have to say about Delta and British Airways. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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 $717, 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 British Airways and KLM - these airlines can fly you to your destination from $733 and $777, respectively. United Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • 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 $1,137). 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
Harrow
Luton
Wembley
Canterbury
Gatwick
Horley
Milton Keynes
Dover
Watford
Orpington
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Chelmsford

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.
Orlando to Heathrow flights
Miami to Heathrow flights
Orlando to Gatwick flights
Tampa to Heathrow flights
Miami to London City flights
Miami to Gatwick flights
Orlando to London City flights
Tampa to Gatwick flights
Tampa to London City flights
Miami to Stansted flights
Fort Lauderdale to Heathrow flights
Jacksonville to Heathrow flights
Orlando to Edinburgh flights
Orlando to Stansted flights
Miami to Luton flights
Jacksonville to Gatwick flights
Orlando to Manchester flights
Fort Lauderdale to Gatwick flights
Jacksonville to London City flights
West Palm Beach to Heathrow flights
Fort Lauderdale to London City flights
Miami to Edinburgh flights
Tampa to Edinburgh flights
Orlando to Luton flights
West Palm Beach to Gatwick flights
Miami to Manchester flights
Pensacola to Heathrow flights
Fort Myers to Heathrow flights
Tampa to Manchester flights
Panama City to Heathrow flights
West Palm Beach to London City flights
Sarasota to Heathrow flights
Tampa to Stansted flights
Melbourne to Heathrow flights
Fort Lauderdale to Edinburgh flights
Tampa to Luton flights
Orlando to Southampton flights
Fort Myers to Gatwick flights
Gainesville to Heathrow flights
Tallahassee to Heathrow flights
Daytona Beach to Heathrow flights
Fort Myers to Edinburgh flights
Pensacola to Gatwick flights
Jacksonville to Edinburgh flights
Fort Lauderdale to Manchester flights
Valparaiso to Heathrow flights
Fort Myers to London City flights
Sarasota to Gatwick flights
Miami to Southampton flights
West Palm Beach to Edinburgh flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
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.