Cheap flights from Key West to St Louis (EYW - STL)

Users have found that flying from Key West to St Louis on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

To save on the cost of your flight from Key West to St Louis, book at least 31 days before your planned departure. Booking around this time can save you about 96% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $374 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $553.

Flights from Key West to St Louis lean towards being more expensive in December. Prices are generally better when you fly from Key West to St Louis in August, with the cheapest ticket starting at $158.

Unlike in the morning, when flights are generally more expensive, you can save up to 24% on flights from Key West to St Louis by exploring options for tickets in the afternoon.