Cheap flights from St. Louis (STL) to Key Largo, FL from $63

For a flight from St. Louis to Key Largo, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 6 outbound flights to Key Largo per day. 7 airlines have flights to Key Largo from Lambert-St Louis on a regular basis.

Yes, there are multiple flights from St. Louis to Key Largo for under $200. The cheapest flight booked recently is on Frontier for just $150, but on average you can expect to pay $194.

Cheapflights has at least 20 direct flights from St. Louis to Key Largo under $200. A good price for a nonstop flight from St. Louis to Key Largo is less than $283.

There are currently 20+ open flights from St. Louis to Key Largo within the next 7 days for less than $200.

Nonstop flights are available for this route on the following days: Sunday, Monday, Saturday.

The Lambert-St Louis to Key Largo flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

5 flight departures from St. Louis to Key Largo per day on average.
Morning (6am - Noon) - 20% of flight departures
Afternoon (Noon - 6pm) - 80% of flight departures

For as low as $150, Frontier can have you in Key Largo from St. Louis in 2h 48m. The distance between St. Louis and Key Largo is about 1075 mi. Both multi-stop and nonstop flights can be found to your destination and back.

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $63. Users have also found prices from $70 and $105 on Frontier and American Airlines, respectively.

The top 3 most reliable airlines when flying from St. Louis to Key Largo are Envoy Air (79%), Southwest (74%) and GOL (72%).

On average you can expect to pay $2,387 for a flight from St. Louis to Key Largo. The cheapest flight overall is $147 while the most popular route, (Lambert-St Louis - Miami) is currently priced at $180.

Lambert-St Louis Airport is STL and Miami Airport is MIA. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Fort Lauderdale Airport (FLL), Key West Airport (EYW), Miami Opa Locka Airport (OPF), Fort Lauderdale Executive Airport (FXE).

The amount of baggage you can bring on your St. Louis to Key Largo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter St. Louis to Key Largo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on St. Louis to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Key Largo.

Yes. Cheapflights offers flight deals from St. Louis to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from St. Louis to Key Largo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on St. Louis to Key Largo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The St. Louis to Key Largo flight deals you see on this page were last updated on 5/30.

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from St. Louis to Key Largo.

Currently, September is the cheapest month in which you can book a flight from St. Louis to Key Largo (average of $210). Flying from St. Louis to Key Largo in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.