Cheap Flights from Gaithersburg (GAI) to St. Louis (STL)
Popular airlines from Gaithersburg, MD (GAI-Montgomery County Airpark) to St. Louis Lambert Intl. Airport (STL)
PeachPeach
EVA AirwaysEVA Airways
Tigerair TaiwanTigerair Taiwan
China AirlinesChina Airlines
ScootScoot
Cathay PacificCathay Pacific
HK ExpressHK Express
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 45% on select hotels after you book a flight*
Travel information
Origin airport | Gaithersburg, MD |
|---|---|
Destination airport | St. Louis Lambert Intl. Airport |
Distance | 1,141 km away |
Explore a world of travel with Expedia
*Available to One Key members.