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  4. St Louis, MO - Key West, FL

Flights from St Louis, MO to Key West, FL

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Distance: 1,754 km

Book your flight from St Louis, MO to Key West, FL

Find direct and indirect flights from St Louis, MO to Key West, FL (United States) with eDreams. Once you have your results, sort them by schedule or price and book the option that best suits your plans.

Airports and airlines connecting St Louis, MO and Key West, FL

Knowing where you set off from and where you arrive helps you organise your journey better. Consider the available airports and compare the different airlines operating on this route.

Weather in Key West, FL

The best time to visit may depend on your preferred climate. In Key West, FL, the average temperature floats around 32ºC in the warmest months and 19ºC in the coldest ones. Keep this in mind when packing and planning any outdoor activities.

  • Highs: up to 32ºC
  • Lows: down to 18ºC
  • Hottest month: August
  • Coldest month: January
  • Driest month: February
  • Wettest month: September

How to save when flying from St Louis, MO to Key West, FL

A few tips for finding cheaper flights from St Louis, MO to Key West, FL:

  • Flexible dates: compare fares for two or three different departure days. Leaving a day earlier or later can make a noticeable difference to the price.
  • Baggage allowance: check what each fare includes before you book, so you aren't caught out by extra charges at the airport.
  • Airports on your route: confirm which airports you depart from and land at, especially if the city has more than one. This will help you plan your transfer and work out the total cost of getting around.

Looking for a bigger saving? Book a Flight + Hotel package to combine both in one booking and unlock exclusive discounts on your stay in Key West, FL. You can also save on a hire car by including it with your booking.

Frequently asked questions about flights from St Louis, MO to Key West, FL

On average, what is the price of a St Louis, MO to Key West, FL flight?
When flying from St Louis, MO to Key West, FL the average price will be €322. However, this price is dependant on several other factors like seasonality or the time in advance taken when booking the route.
For flights from St Louis, MO to Key West, FL, how can I find the cheapest price?
On eDreams we use machine learning to find the most economical flight between St Louis, MO and Key West, FL. By taking into account the combinations of airlines, stopovers, direct flights as well as the various criteria for the journeys, our search engine allows us to offer our customers the best price under the best conditions.
When booking, when is the best time to do so in order to get the best prices for St Louis, MO to Key West, FL flights?
The most popular month for flights from St Louis, MO to Key West, FL are: June, November and January.
When is the best time to travel from St Louis, MO to Key West, FL?
A good period of the year to visit Key West, FL from St Louis, MO really depends on lots of personal preferences, price being one of the main criteria When it comes to popularity, June is the best month to fly to Key West, FL from St Louis, MO, basedd on searches from our customers, followed by December and August. If you prefer to avoid the busy season and get away from the crowds August, May and February are the months with fewer searches for the route St Louis, MO -  Key West, FL.
What is the weather like in Key West, FL compared to St Louis, MO?
The average temperature in St Louis, MO is 26º degrees in summer. Key West, FL reaches 29º during the hot season. In winter, however, temperatures are around 21º degrees in Key West, FL, compared to the 1º average degrees in St Louis, MO.

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