Flights to Koshinetsu, Japan from NT$4,532

View NT$1,931 flight on Tue, 2026/5/12Opens 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$1,931 for one-way flights and NT$4,532 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Sun, May 10 - Wed, May 13
HND
Tokyo
TOY
Toyama
NT$4,532 Roundtrip, found 1 day ago
NT$4,532
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sun, May 10 from Tokyo to Toyama, returning Wed, May 13, priced at NT$4,532 found 1 day ago
Japan Airlines
Wed, Jul 1 - Sun, Jul 5
HND
Tokyo
GAJ
Yamagata
NT$5,757 Roundtrip, found 11 hours ago
NT$5,757
Roundtrip
found 11 hours ago
Select Japan Airlines flight, departing Wed, Jul 1 from Tokyo to Yamagata, returning Sun, Jul 5, priced at NT$5,757 found 11 hours ago
Tigerair Taiwan
Mon, Sep 14 - Fri, Oct 2
TPE
Taipei
KIJ
Niigata
NT$6,743 Roundtrip, found 6 days ago
NT$6,743
Roundtrip
found 6 days ago
Select Tigerair Taiwan flight, departing Mon, Sep 14 from Taipei to Niigata, returning Fri, Oct 2, priced at NT$6,743 found 6 days ago
Korean Air
Mon, Jun 15 - Fri, Jun 19
TPE
Taipei
KIJ
Niigata
NT$15,529 Roundtrip, just found
NT$15,529
Roundtrip
just found
Select Korean Air flight, departing Mon, Jun 15 from Taipei to Niigata, returning Fri, Jun 19, priced at NT$15,529 just found
China Airlines
Fri, Apr 10 - Wed, Apr 15
TPE
Taipei
TOY
Toyama
NT$18,217 Roundtrip, found 1 day ago
NT$18,217
Roundtrip
found 1 day ago
Select China Airlines flight, departing Fri, Apr 10 from Taipei to Toyama, returning Wed, Apr 15, priced at NT$18,217 found 1 day 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$4,532 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$4,532 and NT$18,217. If you were traveling one way from Tokyo (HND), you could have picked up an affordable fare from just NT$1,931.
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$4,532 to NT$18,217.
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$4,532

Trending flights to Koshinetsu

Prices were available within the past 7 days and start at NT$1,931 for one-way flights and NT$4,532 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tigerair Taiwan
Mon, Sep 14 - Fri, Oct 2
TPE
Taipei
KIJ
Niigata
NT$6,743 Roundtrip, found 6 days ago
NT$6,743
Roundtrip
found 6 days ago
Select Tigerair Taiwan flight, departing Mon, Sep 14 from Taipei to Niigata, returning Fri, Oct 2, priced at NT$6,743 found 6 days ago
*Available to Expedia members.