Cheap flights from Koshinetsu

View AU$126 flight on Wed, 15 Oct. 2025Opens in a new window

Popular airlines

  • Japan Airlines

    Japan Airlines

  • All Nippon Airways

    All Nippon Airways

  • Hahn Air Technologies

    Hahn Air Technologies

  • IBEX Airlines

    IBEX Airlines

  • Fuji Dream Airlines

    Fuji Dream Airlines

  • Korean Air

    Korean Air

  • China Eastern Airlines

    China Eastern Airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Koshinetsu

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Mon, 5 Jan. - Mon, 12 Jan.
KIJ
Niigata
ITM
Osaka
AU$254 Return, found 3 hours ago
AU$254
Return
found 3 hours ago
Select All Nippon Airways flight, departing Mon, 5 Jan. from Niigata to Osaka, returning Mon, 12 Jan., priced at AU$254 found 3 hours ago
Japan Airlines
Mon, 5 Jan. - Mon, 12 Jan.
KIJ
Niigata
ITM
Osaka
AU$255 Return, found 3 hours ago
AU$255
Return
found 3 hours ago
Select Japan Airlines flight, departing Mon, 5 Jan. from Niigata to Osaka, returning Mon, 12 Jan., priced at AU$255 found 3 hours ago
Japan Airlines
Mon, 5 Jan. - Mon, 12 Jan.
KIJ
Niigata
ITM
Osaka
AU$263 Return, found 3 hours ago
AU$263
Return
found 3 hours ago
Select Japan Airlines flight, departing Mon, 5 Jan. from Niigata to Osaka, returning Mon, 12 Jan., priced at AU$263 found 3 hours ago
Japan Airlines
Thu, 6 Nov. - Wed, 12 Nov.
KIJ
Niigata
ITM
Osaka
AU$267 Return, found 1 day ago
AU$267
Return
found 1 day ago
Select Japan Airlines flight, departing Thu, 6 Nov. from Niigata to Osaka, returning Wed, 12 Nov., priced at AU$267 found 1 day ago
Japan Airlines
Thu, 6 Nov. - Wed, 12 Nov.
KIJ
Niigata
ITM
Osaka
AU$268 Return, found 1 day ago
AU$268
Return
found 1 day ago
Select Japan Airlines flight, departing Thu, 6 Nov. from Niigata to Osaka, returning Wed, 12 Nov., priced at AU$268 found 1 day ago
All Nippon Airways
Sun, 26 Oct. - Thu, 30 Oct.
KIJ
Niigata
CTS
Sapporo
AU$272 Return, found 6 hours ago
AU$272
Return
found 6 hours ago
Select All Nippon Airways flight, departing Sun, 26 Oct. from Niigata to Sapporo, returning Thu, 30 Oct., priced at AU$272 found 6 hours ago
All Nippon Airways
Mon, 5 Jan. - Mon, 12 Jan.
KIJ
Niigata
ITM
Osaka
AU$286 Return, found 3 hours ago
AU$286
Return
found 3 hours ago
Select All Nippon Airways flight, departing Mon, 5 Jan. from Niigata to Osaka, returning Mon, 12 Jan., priced at AU$286 found 3 hours ago
Hahn Air Technologies
Sun, 19 Oct. - Tue, 21 Oct.
KIJ
Niigata
CTS
Sapporo
AU$543 Return, found 15 hours ago
AU$543
Return
found 15 hours ago
Select Hahn Air Technologies flight, departing Sun, 19 Oct. from Niigata to Sapporo, returning Tue, 21 Oct., priced at AU$543 found 15 hours ago
China Eastern Airlines
Tue, 9 Sep. - Sat, 4 Oct.
KIJ
Niigata
DPS
Bali
AU$1,038 Return, found 11 hours ago
AU$1,038
Return
found 11 hours ago
Select China Eastern Airlines flight, departing Tue, 9 Sep. from Niigata to Bali, returning Sat, 4 Oct., priced at AU$1,038 found 11 hours ago
Korean Air
Sat, 6 Sep. - Mon, 29 Sep.
KIJ
Niigata
DPS
Bali
AU$1,968 Return, found 11 hours ago
AU$1,968
Return
found 11 hours ago
Select Korean Air flight, departing Sat, 6 Sep. from Niigata to Bali, returning Mon, 29 Sep., priced at AU$1,968 found 11 hours ago

Flights from Koshinetsu: Essential Travel Information

Cheapest flight from Koshinetsu
AU$254 (roundtrip)
Best airlines to fly from Koshinetsu
All Nippon Airways, Japan Airlines, Korean Air, Shanghai Airlines, China Eastern Airlines, Hahn Air Technologies
Cheapest month to fly from Koshinetsu
January
Koshinetsu IATA code
GAJ
Koshinetsu Country/State
Japan
Airline ticket deals from Koshinetsu
AU$254 - AU$1,968
*Available to Expedia members.