Cheap flights from London to Key West from £458
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Key West departing on 10/9. 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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Cheap return flights
Virgin Atlantic flights from London to Key West
Our best Virgin Atlantic deals on London to Key West flight tickets
British Airways flights from London to Key West
Our best British Airways deals on London to Key West flight tickets
See travel insights to Key West from
How to get the cheapest flight ticket from London to Key West
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
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 £513.
What is the cheapest day to depart on your flight to Key West?
On average, the least expensive day to fly to Key West from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £516. 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 £644.
When to book flights from London to Key West
Cheap London to Key West (LON to EYW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Key West
How far is London to Key West by plane?
A flight from London to Key West will travel around 4555.0 mi. A reasonable flight in good conditions will take 13h 12m.
When did momondo last update prices for flights from London to Key West Airport?
Prices for flights from London to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Key West Airport?
The number of operators available for flights from London to Key West Airport is 2 as of June 2025.
How old do you have to be to fly from London to Key West Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to Key West?
momondo data reveals that the most frequently booked airline on the route from London to Key West is Virgin Atlantic, representing 40% of all bookings. The subsequent popular airlines are British Airways at 32%, Finnair at 17%, and KLM at 6%.
Best airlines flying from London to Key West
Compare and see reviews for airlines that fly from London to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £424 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom £444 | Free Cancellation | Rating 6.6 7,011 reviews |
Travelling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Key West?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Key West. momondo saves you time and could save you money on your trip.
Can I find flights from London to Key West with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Key West flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Key West?
Once you have performed a search for London to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Key West right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.