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EYW - LHR

$434 Find Cheap Flights from Key West to London Heathrow Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$892
Typical prices: $743-$1,156
United Airlines
Sun 11/18Sun 11/25
EYW - LHR • 1 stop
Cheapest one-way
$434
Typical prices: $319-$759
JetBlue
Mon 10/22
EYW - LHR • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Key West and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 22% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Newark (EWR)
Cheapest • Avg $854 (round-trip)
Charlotte Douglas (CLT)
Shortest trip • 12h 06m (one-way)
Insights
Insights
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We hope you love your trip to London Heathrow Airport!
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Booking Insights
Flight Deals

Cheap Flights from Key West to Heathrow (EYW-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Key West to Heathrow

Wed, Nov 18 - Wed, Nov 25
United Airlines Logo
2:51 pm - 8:25 amEYW  Key West-LHR London Heathrow
12h 34m1 stop Newark
United Airlines Logo
6:50 am - 3:29 pmLHR  London Heathrow-EYW Key West
37h 39m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$892United Airlines
Wed, Jan 20 - Fri, Jan 22
United Airlines Logo
3:04 pm - 8:25 amEYW  Key West-LHR London Heathrow
12h 21m1 stop Newark
United Airlines Logo
6:00 pm - 12:15 pmLHR  London Heathrow-EYW Key West
47h 15m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$893United Airlines
Wed, Jan 20 - Fri, Jan 22
United Airlines Logo
3:15 pm - 8:25 amEYW  Key West-LHR London Heathrow
12h 10m1 stop Newark
United Airlines Logo
6:00 pm - 12:16 pmLHR  London Heathrow-EYW Key West
47h 16m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$894United Airlines
Wed, Jan 20 - Fri, Jan 22
United Airlines Logo
3:15 pm - 10:25 amEYW  Key West-LHR London Heathrow
14h 10m1 stop Newark
United Airlines Logo
7:40 am - 5:13 pmLHR  London Heathrow-EYW Key West
14h 33m1 stop Chicago O'Hare Intl
$908United Airlines
Wed, Jan 20 - Fri, Jan 22
United Airlines Logo
3:04 pm - 10:25 amEYW  Key West-LHR London Heathrow
14h 21m1 stop Newark
United Airlines Logo
7:40 am - 5:10 pmLHR  London Heathrow-EYW Key West
14h 30m1 stop Chicago O'Hare Intl
$909United Airlines
Wed, Nov 18 - Wed, Nov 25
United Airlines Logo
2:51 pm - 4:50 pmEYW  Key West-LHR London Heathrow
20h 59m2 stops Newark Frankfurt am Main
United Airlines Logo
6:50 am - 3:29 pmLHR  London Heathrow-EYW Key West
37h 39m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$910United Airlines
Wed, Jan 20 - Fri, Jan 22
United Airlines Logo
3:04 pm - 10:50 amEYW  Key West-LHR London Heathrow
14h 46m2 stops Newark Washington, D.C. Dulles Intl
United Airlines Logo
12:05 pm - 12:15 pmLHR  London Heathrow-EYW Key West
29h 10m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$913United Airlines
Sun, Oct 18 - Sat, Oct 24
JetBlue Logo
12:29 pm - 6:30 amEYW  Key West-LHR London Heathrow
13h 01m1 stop Boston Logan Intl
JetBlue Logo
8:40 am - 11:56 amLHR  London Heathrow-EYW Key West
32h 16m1 stop Boston Logan Intl
$953JetBlue
Sun, Nov 15 - Sun, Nov 22
American Airlines Logo
11:14 am - 6:45 amEYW  Key West-LHR London Heathrow
14h 31m1 stop Miami
American Airlines Logo
11:15 am - 8:16 pmLHR  London Heathrow-EYW Key West
14h 01m1 stop Miami
$975American Airlines
Sun, Nov 15 - Sun, Nov 22
American Airlines Logo
11:14 am - 6:45 amEYW  Key West-LHR London Heathrow
14h 31m1 stop Miami
American Airlines Logo
8:20 am - 6:53 pmLHR  London Heathrow-EYW Key West
15h 33m2 stops New York John F Kennedy Intl Miami
$979American Airlines
Booking Insights

Price, demand and travel trends for Key West to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Key West to London Heathrow Airport?

Round-trip flights from Key West to London Heathrow Airport typically range from $743 to $1,156. The lowest price found in the past 5 days was $892, on United Airlines.

What's the cheapest day of the week to fly from Key West to London Heathrow Airport?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Key West to London Heathrow Airport. It’s 8% cheaper than the average day, while Friday is the most expensive, with prices 64% higher.

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Key details for Key West to London Heathrow Airport flights

Low season

November

Cheapest flight

$434
One-way flight from Key West to London Heathrow Airport

When to book flights from Key West to Heathrow

Are your dates flexible? Find out the best times to travel from Key West to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Key West to London Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Key West to London Heathrow Airport?

    Only Economy Class is available on flights from Key West to London Heathrow Airport.

  • How long is a flight from Key West to London Heathrow Airport?

    A nonstop flight from Key West to London Heathrow Airport takes 00m, covering 4,539 miles.

  • Do I need a passport to fly from Key West to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Key West to London Heathrow Airport flight?

    Round-trip flights from Key West to London Heathrow Airport range from $743 to $1,156, with an average of $842 over the past 12 months. Anything below $743 counts as a good deal.

  • Have flight prices from Key West to London Heathrow Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $892 to $6,084. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Key West to London Heathrow Airport looking right now?

    One-way fares from Key West to London Heathrow Airport are currently higher than usual. Average one-way flight prices are about $543, which is 23% above the typical average for this route.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from Key West to London Heathrow Airport?

    Flights from Key West to London Heathrow Airport usually depart from Key West (EYW) and arrive at London Heathrow (LHR).

  • Which airports do connecting flights from Key West to London Heathrow Airport pass through?

    One-stop flights from Key West to London Heathrow Airport most commonly connect through:

    • Miami (MIA) - 57% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 35% of one-stop connections
    • Newark (EWR) - 5% of one-stop connections
    • Charlotte Douglas (CLT) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Key West to London Heathrow Airport?

    Yes. Flexible dates can save you up to 45% on flights from Key West to London Heathrow Airport. Tuesday is the cheapest departure day at $776 round-trip on average, while Friday is the most expensive at $1,386, a difference of $610.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Key West to London Heathrow Airport?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 12h 06m, compared with 12h 26m via Miami (MIA) and 12h 48m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Key West and London Heathrow Airport?

    London Heathrow Airport is 5 hours ahead of Key West (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Heathrow Airport on KAYAK.

Your guide to booking Key West to London Heathrow Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $776, about $610 less than Friday fares (44% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Key West to London Heathrow Airport trip for February. Fares historically average $656 round-trip in that month - typically $832 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport

More options for your flight from Key West to Heathrow

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