Cheap Flights from London to Key West
No deal from London to Key West has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from London to Key West, the lowest round-trip fare we recorded was $668, in September. The typical fare was $722. September was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $689 on United, seen Oct 15. It is an unverified observation and may have changed.
See every deal <a href="/from/london">from London</a>, <a href="/to/key-west">to Key West</a>, or the return direction <a href="/from/key-west/to/london">Key West to London</a>.
Latest price we saw: London to Key West
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| London (LHR) to Key West (EYW) | $689 | 7.6¢ | Jan 8 – Jan 16 | United | Oct 15 | Check price |
Price history: London to Key West
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $676 | $720 | 3 |
| Sep 2026 | $668 | $668 | 1 |
| Aug 2026 | $773 | $778 | 8 |
Frequently asked questions
How many flight deals from London to Key West are on Sparkflights right now?
There are 0 verified deals from London to Key West on the board right now. The list refreshes hourly.
What is the lowest price ever seen from London to Key West?
The lowest fare we've recorded from London to Key West is $668, based on 12 price observations over 3 months.
How much does a flight from London to Key West cost?
The typical round-trip fare we observed from London to Key West is $722, against a recorded low of $668. These are observations, not quotes.
When is the cheapest month to fly London to Key West?
September was the cheapest month we observed from London to Key West and August the dearest, over 3 months of data.
What is the current price from London to Key West?
The most recent fare our sweep saw from London to Key West is $689, on Oct 15. It is an unverified observation rather than a verified deal, so check it before booking.