Spilve Airport was first used as early as World War I. In 1922-1926 Latvijas Gaisa Satiksmes Akciju Sabiedriba operated flights on Berlin – Königsberg – Kaunas (or Klaipėda / Mėmel) – Riga line. From 1928, regular commercial flights of German-Soviet Deruluft linked Spilve with Berlin via Königsberg, Moscow via Smolensk and Leningrad via Tallinn. From 1932 Polish LOT connected Spilve to Warsaw via Vilnius and to Helsinki via Tallinn. In 1936 German Lufthansa started flights Berlin-Königsberg-Kaunas-Riga-Tallinn-Helsinki. In 1937 Swedish Aerotransport (A.B.A.) and Soviet Aeroflot started a route Stockholm-Riga-Velikiye Luki-Moscow. In 1937-1940 Latvian Valsts gaisa satiksme had regular flights from Spilve to Liepāja.