Cheap flights from St. Louis to Key West (STL - EYW)
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The best prices from Lambert-St Louis to Key West are usually found in September or October, booked 54 days in advance, depart on a Tuesday or Saturday and return on a Wednesday
How to find the cheapest flight from
St. Louis (STL) to Key West (EYW)
All the information you need to plan the best STL to EYW flight in 2022: compare St. Louis to Key West flight prices with the expected peak season, weather and rainfall in Key West.
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STL - EYW Price
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$311 - $517
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EYW Temperature
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69.8 - 84.2 °F
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EYW Rainfall
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1.5 - 6.7 inches
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Popular in June High demand for flights, 17% potential price rise |
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Cheapest in September Best time to find cheap flights, 27% potential price drop |
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Round-trip from $311 From Lambert-St Louis to Key West |
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One-way from $191 One-way flight from Lambert-St Louis to Key West |
When is the cheapest time to fly from St. Louis to Key West (STL - EYW)?
One of the essential ways to save on airfare from St. Louis to Key West is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 95% on airfare.
How far in advance should I book a flight from St. Louis to Key West?
To save up to 43% on this flight, we recommend booking at least 54 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Key West from $479 1-2 weeks out and tickets from $574 for flights departing within the next 72 hours.
What is the cheapest day to fly round-trip from St. Louis to Key West?
Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Key West. Check prices with Cheapflights to find a great deal for your trip.
What is the cheapest month to fly from St. Louis to Key West?
The best pricing can be found in the month of September. Prices to Key West from St. Louis average $428. You can even find prices in September for less than $428, as users have found deals to Key West from as low as $232. The month of June appears to be one of the more expensive times to travel to Key West from St. Louis. Flying in the targeted month can save you up to 20%.
Cheap flights from St. Louis to Key West in August, September 2022
The best prices found for STL to EYW flights for August, September
Lambert-St Louis to Key West 2022 flight deals
Cheap flights to Key West from St. Louis found for this year
Cheap American Airlines flights from St. Louis to Key West
Cheap Delta flights from St. Louis to Key West
Last minute flights from St. Louis to Key West
Late deals on round-trip flights to Key West from St. Louis, departing today and this week
One-way flights to Key West from St. Louis
The cheapest one-way flights from St. Louis to Key West
Related info for your journey
Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Key West</span> flights.
COVID Restrictions
View COVID Travel Restrictions for Key West, FLAlternative routes for St. Louis to Key West
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Lambert-St Louis to Key West
The chart below displays the airlines Cheapflights users traveling from St. Louis to Key West choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
| Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
|---|---|---|---|---|---|---|
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$16 | $21 | No cancel fee | 66% |
We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information. |
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$239 | $457 | No cancel fee | 71% | ||
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$283 | $438 | No cancel fee | 69% | ||
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$305 | $479 | No cancel fee | N/A |