Question 1

Why should I use momondo to find a flight deal to Key West?

Accepted Answer

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West.

Question 2

Can I find flights to Key West with flexible booking policies on momondo?

Accepted Answer

momondo does allow users to show only those flights to Key West which offer a flexible booking policy as well as other useful filters and features.

Question 3

How can momondo help me find flights to Key West?

Accepted Answer

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Key West.

Question 4

I’m not ready to book a flight to Key West right now. Can momondo alert me if prices change?

Accepted Answer

Yes. momondo can track flight prices for Key West and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

Question 5

What is there to do in Key West when it’s raining?

Accepted Answer

Users planning a flight to Key West during the months of August or September should anticipate rain. There are still things to do in Key West even when it's raining, though. Many tourists kill time during rain and storms by going to shopping centres in the area, like Duval Street.

Question 6

Which airlines fly to Key West?

Accepted Answer

There may be other airlines that fly to Key West from United Kingdom, but the most popular among our users are Virgin Atlantic, British Airways, American Airlines and Finnair. These airlines should offer flights to Key West on a routine basis if you’re flying from one of the more popular airports in United Kingdom.

Question 7

Virgin Atlantic Flights to Key West

Accepted Answer

Virgin Atlantic is a popular choice for users travelling to Key West. It operates 14 flights every week to Key West, most often flying from Atlanta Hartsfield-Jackson. Virgin Atlantic ticket prices will depend on when and where you need to fly from - deals as low as £497 (from London Heathrow) have been found by momondo users. In 675 reviews, momondo users have rated Virgin Atlantic at an average score of 7.5/10.

Question 8

American Airlines Flights to Key West

Accepted Answer

American Airlines (7.2/10, 11,043 reviews) is also a popular choice for flights to Key West, with deals from as low as £522 from London Heathrow, round-trip. With 24 American Airlines flights to Key West on average each week, prices can vary significantly by origin and availability.

Question 9

When did momondo last update prices for flights to Key West Airport?

Accepted Answer

Prices for flights to Key West Airport are refreshed on a daily basis.

Question 10

How many operators does momondo search for flights to Key West Airport?

Accepted Answer

As of December 2025, there are 6 operators available to choose from for flights to Key West Airport.

Question 11

How old do you have to be to fly to Key West Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Key West Airport.

Question 12

What documentation or ID do you need to fly to Key West Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Question 13

What is the cheapest month to fly to Key West?

Accepted Answer

If you aren’t able to travel to Key West during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £524.

Question 14

What is the cheapest day to depart on your flight to Key West?

Accepted Answer

On average, the least expensive day to fly to Key West from United Kingdom is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £528. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Key West on Thursday is £659.

Question 15

What is the cheapest time of day to depart on your flight to Key West?

Accepted Answer

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from United Kingdom to Key West in the morning for as low as £579. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around £825. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 16

How long does it take to fly to Key West?

Accepted Answer

The flight from United Kingdom to Key West depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from London Heathrow (a popular airport in United Kingdom) to Key West (the most popular airport in Key West), then the flight time is 13h 08m on average. If you fly from Manchester (another popular airport in United Kingdom) to Key West, then the average flight time is 34h 21m.

CHEAPEST MONTH TO FLY TO KEY WEST FROM LONDON HEATHROW AIRPORT	May	31% cheaper	Flying from London Heathrow Airport to Key West costs on average just £468 in May
MOST EXPENSIVE MONTH TO FLY TO KEY WEST FROM LONDON HEATHROW AIRPORT	March	41% more expensive	It costs about £946 for flights to Key West from London Heathrow Airport in March
MOST POPULAR MONTH TO FLY TO KEY WEST FROM LONDON HEATHROW AIRPORT	August	620% more users visited	More momondo users searched in flights to Key West from London Heathrow Airport in August than any other month

Best One-Way Price	£310
Best Round-Trip Price	£485
Fastest flight time	18h 11m
Popular in	October

£310 Cheap flights to Key West

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Key West departing on 26/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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What is the cheapest month to fly to Key West?

If you aren’t able to travel to Key West during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £524.

What is the cheapest day to depart on your flight to Key West?

What is the cheapest time of day to depart on your flight to Key West?

How long does it take to fly to Key West?

Cheapest flights to Key West

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Frequently asked questions about flying to Key West

What is there to do in Key West when it’s raining?

When did momondo last update prices for flights to Key West Airport?

How many operators does momondo search for flights to Key West Airport?

How old do you have to be to fly to Key West Airport?

What documentation or ID do you need to fly to Key West Airport?

Travelling to a place near Key West?

Why use momondo?

Why should I use momondo to find a flight deal to Key West?

Can I find flights to Key West with flexible booking policies on momondo?

How can momondo help me find flights to Key West?

I’m not ready to book a flight to Key West right now. Can momondo alert me if prices change?

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