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Key West

$623+ Cheap flights from the United Kingdom to Key West (EYW)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EYW
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from United Kingdom to Key West

Keep the following information in mind while searching for United Kingdom to Key West flight deals. Data was last updated juin 12, 2025.

Round-trip from

$623
(TravelUp)

Popular in

December

Cheapest in

September

Average price

$866
From United Kingdom to Key West
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from United Kingdom to Key West

Cheapest flights from United Kingdom to Key West
Explore the most affordable flight options available from United Kingdom to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 12, 2025.

This TravelUp deal was found by Cheapflights users on 6/12. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/1011:45 amLHR - EYW
2 stops36h 59mVirgin Atlantic
mer. 9/1711:45 amEYW - LHR
2 stops14h 30mVirgin Atlantic
Deal found 6/12$623
This TravelUp deal was found by Cheapflights users on 6/12. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/108:10 pmLCY - EYW
2 stops28h 34mVirgin Atlantic
mer. 9/176:00 pmEYW - LCY
2 stops18h 20mVirgin Atlantic
Deal found 6/12$668
This CheapTickets.ch deal was found by Cheapflights users on 6/11. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/81:40 pmLHR - EYW
2 stops27h 20mBritish Airways
lun. 7/141:25 pmEYW - LHR
2 stops13h 20mBritish Airways
Deal found 6/11$700
This CheapTickets.ch deal was found by Cheapflights users on 6/11. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/81:40 pmLHR - EYW
2 stops27h 20mAlaska Airlines
lun. 7/144:48 pmEYW - LHR
1 stop11h 17mAlaska Airlines
Deal found 6/11$705
This CheapTickets.ch deal was found by Cheapflights users on 6/11. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/81:40 pmLHR - EYW
1 stop28h 15mIberia
lun. 7/144:48 pmEYW - LHR
1 stop11h 17mIberia
Deal found 6/11$711
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 7/86:50 pmLHR - EYW
2 stops21h 01mDelta
lun. 7/1411:48 amEYW - LHR
1 stop14h 27mDelta
Deal found 6/10$731
This Vliegwinkel deal was found by Cheapflights users on 6/10. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/168:55 amLHR - EYW
2 stops15h 26mFinnair
mer. 7/304:58 pmEYW - LHR
1 stop12h 32mFinnair
Deal found 6/10$737
This United Airlines deal was found by Cheapflights users on 6/12. 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.
mer. 7/94:40 pmLHR - EYW
2 stops25h 32mUnited Airlines
mer. 7/162:12 pmEYW - LHR
2 stops15h 28mUnited Airlines
Deal found 6/12$819
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
mar. 7/812:20 pmLGW - EYW
1 stop26h 02mMultiple Airlines
lun. 7/1410:02 amEYW - LGW
1 stop18h 58mMultiple Airlines
Deal found 6/10$871
This Billigflug deal was found by Cheapflights users on 6/12. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 7/278:55 amLHR - EYW
2 stops15h 26mMultiple Airlines
dim. 8/37:51 pmEYW - LHR
1 stop30h 04mMultiple Airlines
Deal found 6/12$936
This American Airlines deal was found by Cheapflights users on 6/12. 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.
dim. 7/273:00 pmLHR - EYW
1 stop28h 09mAmerican Airlines
dim. 8/312:47 pmEYW - LHR
1 stop15h 18mAmerican Airlines
Deal found 6/12$999
This Sembo deal was found by Cheapflights users on 6/9. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/2512:00 pmLGW - EYW
2 stops36h 49mVirgin Atlantic
ven. 8/16:27 pmEYW - LGW
2 stops34h 33mVirgin Atlantic
Deal found 6/9$999

Cheapflights Fare Finder

Customize your flight search to find flights from United Kingdom to Key West 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 juin 12, 2025.
Use the filters below to find and compare flights from the United Kingdom to Key West that are best for you.

Fly from

United Kingdom

Fly to

Key West

Route

Depart

Return

Price

LondonKey West

LHR - EYW

LHREYW

London Heathrow

mer. 9/10

8:55 pm-7:44 pm

2 stops27h 49m

Key West

mer. 9/17

11:45 am-6:45 am

1 stop14h 00m

$623

LondonKey West

LCY - EYW

LCYEYW

London City

mer. 9/10

8:10 pm-7:44 pm

2 stops28h 34m

Key West

mer. 9/17

6:00 pm-5:20 pm

2 stops18h 20m

$668

LondonKey West

LHR - EYW

LHREYW

London Heathrow

mar. 7/8

1:40 pm-12:00 pm

2 stops27h 20m

Key West

lun. 7/14

1:25 pm-7:45 am

2 stops13h 20m

$700

LondonKey West

LHR - EYW

LHREYW

London Heathrow

mar. 7/8

1:40 pm-12:00 pm

2 stops27h 20m

Key West

lun. 7/14

4:48 pm-9:05 am

1 stop11h 17m

$705

LondonKey West

LHR - EYW

LHREYW

London Heathrow

mar. 7/8

1:40 pm-12:55 pm

1 stop28h 15m

Key West

lun. 7/14

4:48 pm-9:05 am

1 stop11h 17m

$711

LondonKey West

LHR - EYW

LHREYW

London Heathrow

mar. 7/8

6:50 pm-10:51 am

2 stops21h 01m

Key West

lun. 7/14

2:03 pm-11:25 am

2 stops16h 22m

$731

LondonKey West

LHR - EYW

LHREYW

London Heathrow

mer. 7/16

8:55 am-7:21 pm

2 stops15h 26m

Key West

mer. 7/30

4:58 pm-10:30 am

1 stop12h 32m

$737

LondonKey West

LHR - EYW

LHREYW

London Heathrow

mer. 7/9

4:40 pm-1:12 pm

2 stops25h 32m

Key West

mer. 7/16

2:12 pm-10:40 am

2 stops15h 28m

$819

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

mar. 7/8

12:20 pm-9:22 am

1 stop26h 02m

Key West

lun. 7/14

10:02 am-10:00 am

1 stop18h 58m

$871

LondonKey West

LHR - EYW

LHREYW

London Heathrow

dim. 7/27

8:55 am-7:21 pm

2 stops15h 26m

Key West

dim. 8/3

7:51 pm-6:55 am

1 stop30h 04m

$936

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
1
2

Best time to book a flight from United Kingdom to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from United Kingdom 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 the United Kingdom to Key West

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

Currently, August is the cheapest month in which you can book a flight from United Kingdom to Key West (average of $328). Flying from United Kingdom to Key West in March is currently the most expensive (average of $493). 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.

Rainfall in Key West by month

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

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

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

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated juin 12, 2025.
Read through reviews of airlines operating flights from United Kingdom to Key West, such as Alaska Airlines, Delta and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Finnair
7.6
Good
1,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air France
7.5
Good
1,463 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Key West. 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 into for flights to Key West from United Kingdom?

    Key West (EYW), located 2.6 mi from the city center, is the airport you fly into when you book flights from United Kingdom to Key West.

  • What are the most popular routes from United Kingdom to Key West?

    The most popular route from United Kingdom to Key West is London Heathrow - Key West. You may also consider London City - Key West or London Gatwick - Key West.

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

    Yes. In addition to deals on United Kingdom to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Key West 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 United Kingdom to Key West?

    Currently, August is the cheapest month in which you can book a flight from United Kingdom to Key West (average of $328). Flying from United Kingdom to Key West in March is currently the most expensive (average of $493). 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

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