Cheap flights from Key West to London from £680
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to London departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Key West to London
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Cheap bus & train deals from Key West to London
All return flight deals from Key West to London
United Airlines flights from Key West to London
Our best United Airlines deals on Key West to London flight tickets
British Airways flights from Key West to London
Our best British Airways deals on Key West to London flight tickets
See travel insights to London from
How to get the cheapest flight ticket from Key West to London
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 typical price of a round-trip flight between Key West and London?
What is the cheapest month to fly to London?
The cheapest month to fly to London from Key West is in May. Flight prices, which tend to average around £589, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Key West averaging around £637.
What is the cheapest day to depart on your flight to London?
Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £0. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Key West to London for around £1,280.
When to book flights from Key West to London
Cheap Key West to London (EYW to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Key West to London
How far is Key West to London by plane?
A flight from Key West to London will travel around 4555.0 mi. By plane, this route typically takes 10h 36m.
When did momondo last update prices for flights from Key West Airport to London?
Prices for flights from Key West Airport to London refresh daily.
How many operators does momondo search for flights from Key West Airport to London?
The number of operators available for flights from Key West Airport to London is 1 as of January 2025.
How old do you have to be to fly from Key West Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London 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.
Best airlines flying from Key West to London
Compare and see reviews for airlines that fly from Key West to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £647 | Free Cancellation | Rating 7.5 665 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Key West to London?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Key West to London . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Key West to London with flexible booking policies on momondo?
All flight searches from Key West to London on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Key West to London?
Once you have performed a search for Key West to London 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 Key West to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Key West and alert you when they change.