Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from St Louis, MO to Key West, FL

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.

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week: Jan 19 - Jan 25

Flights from just $260

$313

$550

$795

$513

$341

$451

$260

$336

$304

$500

$387

$350

DecemberJanuaryFebruary

Cheapest flight$213The best price for flights from St Louis, MO to Key West, FL offered by eDreams, which have been found by our customers in the last 3 days

Departure AirportLambert-St Louis InternatlLambert-St Louis Internatl is where you'll take off when flying from St Louis, MO to Key West, FL

Arrival AirportKey WestYou'll land at Key West when flying from St Louis, MO to Key West, FL

Peak seasonMarchMarch is the busiest time to fly from St Louis, MO to Key West, FL according to search data results from our customers

Best time to bookSeptemberSeptember is one of the most frequent times to fly to Key West, FL from St Louis, MO according to real data from our customers

Distance: 1090 miles

St Louis, MO airports

Lambert-St Louis Internatl (STL)How far from city center: 12 miles

Key West, FL airports

Key West (EYW)How far from city center: 1 miles

Are you planning to travel to Key West, FL for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from St Louis, MO. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to Key West, FL and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

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

What are the benefits of booking flexible flight tickets?

Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!

For flights from St Louis, MO to Key West, FL, how can I find the cheapest price?

The cheapest price for a flight from St Louis, MO to Key West, FL is $213. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

When booking, when is the best time to get the best prices for flights from St Louis, MO to Key West, FL?

The most popular months to book a trip from St Louis, MO to Key West, FL are September, October and May, based on the searches of our customers.

When is the best time to travel from St Louis, MO to Key West, FL?

The best time of the year to visit Key West, FL depends on lots of personal preferences, especially the price. Regarding popularity, March is the best month to fly to Key West, FL from St Louis, MO in terms of searches from our customers, followed by December and November. If you prefer to avoid the busy season and get away from the crowds February, January and April are the months with fewer searches for St Louis, MO - Key West, FL.

How is the weather in Key West, FL compared to St Louis, MO?

While in St Louis, MO the temperatures can reach an average of 34.91 ºC in summer, with precipitation levels up to 12 mm ,Key West, FL's temperatures can go up to 32.96 ºC during the hot season, with 12 mm average of rain rate . In winter, however, weather indicators show around 15.07 ºC in Key West, FL, compared to the -13.87 ºC average degrees reported in St Louis, MO. During the winter period, St Louis, MO can register 6 mm precipitation, while Key West, FL have an average of 6 mm rain level.

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