Flights to Koshinetsu, Japan from NT$4,169

View NT$2,081 flight on Tue, 2026/4/7Opens in a new window

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How much is the cheapest flight to Koshinetsu?

Prices were available within the past 7 days and start at NT$2,081 for one-way flights and NT$4,169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Thu, May 14 - Mon, May 18
HND
Tokyo
TOY
Toyama
NT$4,169 Roundtrip, found 2 days ago
NT$4,169
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, May 14 from Tokyo to Toyama, returning Mon, May 18, priced at NT$4,169 found 2 days ago
Japan Airlines
Mon, Mar 23 - Thu, Mar 26
HND
Tokyo
GAJ
Yamagata
NT$5,580 Roundtrip, found 14 hours ago
NT$5,580
Roundtrip
found 14 hours ago
Select Japan Airlines flight, departing Mon, Mar 23 from Tokyo to Yamagata, returning Thu, Mar 26, priced at NT$5,580 found 14 hours ago
Tigerair Taiwan
Fri, Jun 12 - Fri, Jun 26
TPE
Taipei
KIJ
Niigata
NT$6,847 Roundtrip, found 2 days ago
NT$6,847
Roundtrip
found 2 days ago
Select Tigerair Taiwan flight, departing Fri, Jun 12 from Taipei to Niigata, returning Fri, Jun 26, priced at NT$6,847 found 2 days ago
Korean Air
Mon, Apr 6 - Tue, Apr 21
TPE
Taipei
KIJ
Niigata
NT$15,525 Roundtrip, found 1 day ago
NT$15,525
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Apr 6 from Taipei to Niigata, returning Tue, Apr 21, priced at NT$15,525 found 1 day ago
China Airlines
Tue, Apr 7 - Wed, Apr 15
TPE
Taipei
TOY
Toyama
NT$17,592 Roundtrip, found 5 days ago
NT$17,592
Roundtrip
found 5 days ago
Select China Airlines flight, departing Tue, Apr 7 from Taipei to Toyama, returning Wed, Apr 15, priced at NT$17,592 found 5 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$4,169 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$4,169 and NT$17,592. If you were traveling one way from Tokyo (HND), you could have picked up an affordable fare from just NT$2,081.
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$4,169 to NT$17,592.
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.

Travel information

Destination airport
Toyama
Destination airport IATA code
TOY
Destination city name
Toyama
Roundtrip price
NT$4,169

Trending flights to Koshinetsu

Prices were available within the past 7 days and start at NT$2,081 for one-way flights and NT$4,169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tigerair Taiwan
Fri, Jun 12 - Fri, Jun 26
TPE
Taipei
KIJ
Niigata
NT$6,847 Roundtrip, found 2 days ago
NT$6,847
Roundtrip
found 2 days ago
Select Tigerair Taiwan flight, departing Fri, Jun 12 from Taipei to Niigata, returning Fri, Jun 26, priced at NT$6,847 found 2 days ago
*Available to Expedia members.