£117+ Cheap flights from Key West

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
EYW — LHR
21 Mar — 28 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Key West

Discover essential information about flights departing from Key West, including flight schedules, destinations, airlines operating at the Key West airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 19 February 2026.

Good round-trip deal

£1,324 or less

Good one-way deal

£44 or less
Price to beat on a round-trip flight from Key West.
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Price to beat on a one-way flight from Key West.
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Find flights from Key West

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Cheapest flights from Key West
Explore the most affordable flight options available from Key West. Find the lowest fares based on data from user searches, with prices last updated on 19 February 2026.

Tue 17/318:28
EYW
-
LHR
1 stop12h 22m
United Airlines
Thu 26/307:40
LHR
-
EYW
1 stop18h 39m
United Airlines
Deal found 17/2£489
Thu 23/418:23
EYW
-
LHR
1 stop11h 57m
Scandinavian Airlines
Tue 28/420:55
LHR
-
EYW
2 stops27h 45m
Scandinavian Airlines
Deal found 15/2£516
Tue 3/315:56
EYW
-
LHR
1 stop14h 19m
United Airlines
Tue 24/313:25
LHR
-
EYW
2 stops36h 54m
United Airlines
Deal found 18/2£520
Thu 23/418:22
EYW
-
LHR
1 stop31h 33m
United Airlines
Tue 28/412:40
LHR
-
EYW
3 stops33h 02m
United Airlines
Deal found 15/2£527
Tue 3/311:59
EYW
-
LHR
1 stop14h 51m
KLM
Tue 24/315:50
LHR
-
EYW
1 stop22h 58m
KLM
Deal found 18/2£535
Sat 4/413:49
EYW
-
MAN
2 stops24h 11m
British Airways
Sat 11/418:10
MAN
-
EYW
2 stops33h 48m
British Airways
Deal found 18/2£537
Sat 4/418:25
EYW
-
LHR
2 stops31h 20m
Delta
Sun 12/417:55
LHR
-
EYW
2 stops24h 49m
Delta
Deal found 15/2£540
Sat 4/416:38
EYW
-
LHR
1 stop13h 57m
United Airlines
Sun 12/409:30
LHR
-
EYW
2 stops34h 21m
United Airlines
Deal found 16/2£560
Sat 4/419:42
EYW
-
LHR
1 stop11h 53m
British Airways
Sun 12/412:15
LHR
-
EYW
1 stop15h 43m
British Airways
Deal found 18/2£571
Wed 3/611:48
EYW
-
MAN
2 stops15h 37m
Multiple Airlines
Wed 17/610:40
MAN
-
EYW
1 stop14h 04m
Multiple Airlines
Deal found 16/2£616
Sun 5/412:25
EYW
-
LGW
2 stops40h 35m
Multiple Airlines
Sun 12/414:00
LGW
-
EYW
1 stop27h 26m
Multiple Airlines
Deal found 15/2£640
Wed 3/607:30
EYW
-
MAN
1 stop18h 45m
Delta
Wed 17/610:40
MAN
-
EYW
1 stop14h 04m
Delta
Deal found 16/2£679

Find flights from Key West within your budget

 
Find flights departing from Key West that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 19 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 17/3

18:28-10:50

1 stop12h 22m

London Heathrow

Thu 26/3

07:40-22:19

1 stop18h 39m

£489

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 23/4

18:23-11:20

1 stop11h 57m

London Heathrow

Tue 28/4

20:55-19:40

2 stops27h 45m

£516

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 3/3

18:35-21:20

2 stops21h 45m

London Heathrow

Tue 24/3

13:25-22:19

2 stops36h 54m

£524

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 23/4

18:22-06:55

1 stop31h 33m

London Heathrow

Tue 28/4

12:40-16:42

3 stops33h 02m

£527

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 3/3

11:59-07:50

1 stop14h 51m

London Heathrow

Tue 24/3

15:50-10:48

1 stop22h 58m

£535

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 4/4

18:25-06:45

2 stops31h 20m

London Heathrow

Sun 12/4

17:55-13:44

2 stops24h 49m

£540

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 4/4

16:38-11:35

1 stop13h 57m

London Heathrow

Sun 12/4

09:30-14:51

2 stops34h 21m

£560

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 4/4

19:42-12:35

1 stop11h 53m

London Heathrow

Sun 12/4

12:15-22:58

1 stop15h 43m

£571

Key WestManchester

EYW - MAN

EYWMAN

Key West

Wed 3/6

11:48-08:25

2 stops15h 37m

Manchester

Wed 17/6

10:40-19:44

1 stop14h 04m

£616

Key WestLondon

EYW - LGW

EYWLGW

Key West

Sun 5/4

12:25-10:00

2 stops40h 35m

London Gatwick

Sun 12/4

14:00-12:26

1 stop27h 26m

£640

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 32 results
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Best time to book a flight from Key West

Have a flexible travel schedule? Discover the best time to fly 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.

Travel insights for flights from Key West

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

What are popular destinations to fly to from Key West?

If you’re flying from Key West, these routes are more frequently taken by airlines Atlanta (150 flights per day), Chicago (86 flights per day) and New York (54 flights per day).

Miami
Miami
From £461
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £307
Tampa
Tampa
From £44
Philadelphia
Philadelphia
From £1,324

What is the cheapest place to fly to from Key West?

The cheapest city to fly to from Key West is Tampa, with prices starting at £44. Explore other affordable destinations below.

Tampa
Tampa
From £44
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £307
Miami
Miami
From £461
Philadelphia
Philadelphia
From £1,324

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Related info for your journey

Access useful and relevant information related to your journey from Key West. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 19 February 2026.

  • What are the most popular destinations to fly to from Key West?

    This month, the top selected destinations from Key West are Tampa, Las Vegas, New York. Throughout the year, Tampa, Boston, Las Vegas are some of the top choices made by users flying from Key West.

  • What is the cheapest flight from Key West to anywhere?

    Users have flown out of Key West for as low as £44 to Tampa (prices may vary depending on the airline and departure time). On average, users have booked flights for £597 to fly from Key West.

  • How does Cheapflights help users find flights from Key West?

    Deals for flights from Key West 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Key West.

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

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Key West flexibly with Cheapflights today.

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

    Not ready to book yet? You can track prices for flights from Key West on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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Fly with Cheapflights

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How does Cheapflights help users find flights from Key West?

Deals for flights from Key West 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Key West.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Key West flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Key West on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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