Direct flights from St. Louis

Where can you fly nonstop from St. Louis (STL)?

St. Louis Lambert International Airport (STL) offers nonstop flights to 61 destinations across the United States, Canada, Germany, Mexico and the United Kingdom. The busiest direct routes from STL are served by Southwest, American, Frontier and United, with the most frequent nonstop service to Chicago, Denver and Atlanta.

Headed abroad without a connection? STL has direct international flights to Toronto, Montreal and Frankfurt am Main. Use the day filter above to see exactly which routes fly on the day you want to travel. Route data updated October 2026 from observed departures.

Airlines and flight times at STL

13 airlines fly nonstop out of STL. Southwest runs the biggest operation — about 724 of the 1225 weekly departures (59%), across 49 routes — followed by American and Delta.

The airlines flying nonstop out of St. Louis are Southwest, American, Delta, United, Alaska, Jazz (Air Canada Express), Frontier, Lufthansa, Southern Airways Express, British Airways, Sun Country, Flair Airlines and JetBlue.

On 38 of St. Louis's 61 nonstop routes, a single airline has the service to itself — Southwest is the only airline with a nonstop to Dallas, and United the only one to Newark.

The shortest nonstop out of STL is Chicago (MDW) at about 44m in the air; the longest is Frankfurt am Main at about 8h30m.

Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.