Flights to Koshinetsu, Japan from NT$9,747

View NT$8,343 flight on Wed, 2026/5/20Opens in a new window

Popular airlines

  • All Nippon Airways

  • Japan Airlines

  • IBEX Airlines

  • Korean Air

  • Fuji Dream Airlines

  • Blue Panorama

  • Hahn Air Technologies

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 45% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Koshinetsu?

Prices were available within the past 7 days and start at NT$8,343 for one-way flights and NT$9,747 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tigerair Taiwan
Fri, Mar 20 - Mon, Mar 23
TPE
Taipei
KIJ
Niigata
NT$9,747 Roundtrip, found 21 hours ago
NT$9,747
Roundtrip
found 21 hours ago
Select Tigerair Taiwan flight, departing Fri, Mar 20 from Taipei to Niigata, returning Mon, Mar 23, priced at NT$9,747 found 21 hours ago
All Nippon Airways
Sun, May 3 - Sat, May 9
TSA
Taipei
TOY
Toyama
NT$14,202 Roundtrip, found 1 day ago
NT$14,202
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sun, May 3 from Taipei to Toyama, returning Sat, May 9, priced at NT$14,202 found 1 day ago
Korean Air
Wed, Mar 25 - Thu, Apr 9
TPE
Taipei
KIJ
Niigata
NT$15,529 Roundtrip, found 3 days ago
NT$15,529
Roundtrip
found 3 days ago
Select Korean Air flight, departing Wed, Mar 25 from Taipei to Niigata, returning Thu, Apr 9, priced at NT$15,529 found 3 days ago
China Airlines
Wed, May 20 - Thu, May 21
TPE
Taipei
TOY
Toyama
NT$16,599 Roundtrip, found 1 day ago
NT$16,599
Roundtrip
found 1 day ago
Select China Airlines flight, departing Wed, May 20 from Taipei to Toyama, returning Thu, May 21, priced at NT$16,599 found 1 day ago
Japan Airlines
Mon, Dec 7 - Fri, Dec 11
TSA
Taipei
GAJ
Yamagata
NT$19,558 Roundtrip, found 3 days ago
NT$19,558
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Mon, Dec 7 from Taipei to Yamagata, returning Fri, Dec 11, priced at NT$19,558 found 3 days ago

Frequently asked questions

How do I find cheap flights to Koshinetsu that have flexible change policies?
Search for your affordable fares to Koshinetsu, then click on "No change fee" below the "Flexible change policies" filter. From then on it's smooth sailing. We know that plans change and flexibility is important, so book with confidence with Expedia.
Which airlines fly to Koshinetsu?
When you're ready to book your ticket to or near Koshinetsu, these popular airlines look forward to welcoming you aboard:

  • ANA - 286 flights to or near Koshinetsu each month, including 286 flights to Haneda Airport (HND) per month.
  • JAL - 243 flights to or near Koshinetsu each month, including 243 flights to Haneda Airport (HND) per month.
  • United Airlines - 152 flights to or near Koshinetsu each month, including 152 flights to Haneda Airport (HND) per month.

How can I find cheap tickets to Koshinetsu?
You'll always get an epic deal with Expedia, but our "flexible dates" search function makes it that much easier. Enter your preferred flight date, then check the flexible dates box above to see a list of prices for nearby days. NT$9,747 was the best price for a flight to Koshinetsu in the last seven days.
How much is a flight to Koshinetsu?
The cost of a round-trip ticket to Koshinetsu in the last seven days ranged between NT$9,747 and NT$19,558. If you were traveling one way from Taipei (TPE), you could have picked up an affordable fare from just NT$8,343.
What are the most popular airports to fly into in Koshinetsu?
The main gateway to Koshinetsu, around 955 flights taxi into Haneda Airport (HND) each month. Track down a top deal, reserve your fare and get ready to soak up the best of this fantastic region.
When is the cheapest time to fly to Koshinetsu?
Taking off on a Tuesday, followed by a Monday, is generally the best way to nab the cheapest deal. Stay away from the weekends if you can, because Saturday is typically the most expensive day of the week. Spend the money you saved having a blast in Koshinetsu instead!
How much is a plane ticket to Koshinetsu?
In the last seven days, tickets to Koshinetsu ranged from NT$9,747 to NT$19,558.
What months are the cheapest to book a flight to Koshinetsu?
The top month to book affordable flights to Koshinetsu is February. Bear in mind that in the USA, the most expensive time to reserve a ticket is the month of December.
Flights to Koshinetsu information
Destination airport
Yamagata
Destination airport IATA code
GAJ
Destination city name
Yamagata
Roundtrip price
NT$6,091

Trending flights to Koshinetsu

Prices were available within the past 7 days and start at NT$8,343 for one-way flights and NT$9,747 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tigerair Taiwan
Fri, Mar 20 - Mon, Mar 23
TPE
Taipei
KIJ
Niigata
NT$9,747 Roundtrip, found 21 hours ago
NT$9,747
Roundtrip
found 21 hours ago
Select Tigerair Taiwan flight, departing Fri, Mar 20 from Taipei to Niigata, returning Mon, Mar 23, priced at NT$9,747 found 21 hours ago
*Available to Expedia members.