To save up to 40% on this flight, we recommend booking at least 37 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Missouri to Key West from $480 1-2 weeks out and tickets from $607 for flights departing within the next 72 hours.
August is one of the best times of the year to fly to Key West from Missouri. Prices for August average $413 per person but you can even find prices for as low as $181. The most expensive prices can be found in the month of December. Opting for a August flight can save you 41% on your journey compared to booking in August
The chart below displays the airlines Cheapflights users traveling from Missouri to Key West choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
||$218||$453||No cancel fee||69%|
||$248||$483||No cancel fee||71%|
||$243||$524||No cancel fee||N/A|