Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Yakima, WA (YKM-Yakima Air Terminal - McAllister Field)
American AirlinesAmerican Airlines
UnitedUnited
Southwest AirlinesSouthwest Airlines
DeltaDelta
Frontier AirlinesFrontier Airlines
JetBlue AirwaysJetBlue Airways
Alaska AirlinesAlaska Airlines