Did you mean Flights to Yamagata?
YamagataNagoya
Sat, 15 May - Sun, 16 May
YamagataTokyo
Fri, 4 Jun - Tue, 8 Jun
YamagataSapporo
Wed, 9 Jun - Sun, 13 Jun
YamagataOsaka
Tue, 1 Jun - Fri, 4 Jun
YamagataTakamatsu
Fri, 14 May - Fri, 21 May
YamagataKumamoto
Fri, 14 May - Fri, 21 May
YamagataMatsuyama
Sat, 15 May - Sat, 22 May
YamagataKagoshima
Tue, 1 Jun - Sat, 5 Jun
YamagataOita
Fri, 14 May - Fri, 21 May
YamagataFukuoka
Sun, 16 May - Sun, 23 May
YamagataOkinawa
Sun, 16 May - Sun, 23 May
YamagataSeoul
Thu, 1 Jul - Thu, 8 Jul
YamagataShirahama
Wed, 16 Jun - Fri, 18 Jun
YamagataTokushima
Fri, 14 May - Sat, 15 May
YamagataOkayama
Mon, 31 May - Wed, 2 Jun
YamagataHiroshima
Fri, 14 May - Fri, 21 May
YamagataHakodate
Mon, 17 May - Mon, 24 May
YamagataKochi
Fri, 28 May - Sun, 30 May
YamagataTottori
Sat, 15 May - Sat, 22 May
YamagataUbe
Sun, 16 May - Sun, 23 May
YamagataMiyazaki
Sat, 15 May - Mon, 17 May
YamagataObihiro
Sun, 16 May - Sun, 23 May
YamagataNagasaki
Thu, 20 May - Fri, 21 May
YamagataAsahikawa
Mon, 17 May - Mon, 24 May
YamagataSaga
Tue, 18 May - Tue, 25 May
YamagataAmami
Wed, 19 May - Thu, 20 May
YamagataYakushima
Tue, 13 Jul - Wed, 14 Jul
YamagataVenice
Mon, 17 May - Thu, 20 May
YamagataMiyakojima
Mon, 2 Aug - Thu, 5 Aug
YamagataIshigaki
Sat, 22 May - Sun, 23 May