Trinity Airways (Formerly T’way Air) Launches First Promotion: Up to 18% Off Plus Korea Route Coupons, Until September 30

Key Takeaways: Trinity Airways, formerly T’way Air, takes up to 18% off Economy and 9% off Business on routes to and from Japan. The deepest Economy discount is on Osaka/Kansai flights. Round-trip coupons worth ¥2,000 to ¥3,000 cover five Korean cities for travel through March 27, 2027, and sales close September 30, 2026.

Trinity Airways Holds Its First Promotion

Trinity Airways (formerly T’way Air) is running its first promotion under its new name, the Trinity Airways First Promotion, from September 14 to September 30, 2026. Discounted fares are offered on routes to and from various airports in Japan, with up to 18% off in Economy Class and up to 9% off in Business Class. The airline is also distributing special coupons for round-trip tickets to cities in South Korea, as well as discount coupons for seat selection and in-flight meals. As of this article’s publication (September 27), only a few days remain before sales close, so anyone interested should check soon.

Promotion Overview

  • Promotion name: Trinity Airways First Promotion
  • Sale period: September 14 – September 30, 2026
  • Discounts: Up to 18% off Economy Class, up to 9% off Business Class (varies by region)
  • Special coupons: ¥2,000 or ¥3,000 off when paying for a round-trip ticket
  • Ancillary coupons: ¥300 off seat selection, ¥300 off in-flight meals
  • Discount code: TRINITY

Discount Rates by Region

Discount rates vary by region and cabin class. The largest discount is up to 18% on Economy Class for flights to and from Osaka/Kansai, followed by up to 12% on Economy Class for flights to and from Kyushu.

  • To/from Tokyo/Narita: Up to 10% off Economy Class
  • To/from Osaka/Kansai: Up to 18% off Economy Class, up to 9% off Business Class
  • To/from Hokkaido: Up to 6% off Economy Class, up to 4% off Business Class
  • To/from Kyushu: Up to 12% off Economy Class, up to 9% off Business Class
  • To/from Okinawa/Naha: Up to 8% off Economy Class

Business Class discounts are available on routes to and from Osaka/Kansai, Hokkaido and Kyushu. Note that for Tokyo/Narita and Okinawa/Naha, only Economy Class is discounted.

Fares and Price Range

No specific fares or price ranges were announced for this promotion. Because the discounts are expressed as percentages, the amount you actually pay will depend on the travel date, the flight and the fare at the time of booking. To see exact prices, enter the discount code on the booking page and search for flights.

Special Coupons for Five Korean Cities

In addition to the discounted fares, special coupons are available for routes to five cities in South Korea: Seoul, Busan, Jeju, Daegu and Cheongju. They can be applied when paying for round-trip tickets.

  • To Seoul: ¥2,000 off
  • To Busan, Jeju, Daegu and Cheongju: ¥3,000 off
  • Coupon download period: Until September 30, 2026
  • Travel period: September 14, 2026 – March 27, 2027

The coupons can only be used when purchasing round-trip tickets, so they cannot be applied to one-way bookings. With a travel period running until March 27, 2027, they can be used not only for autumn trips but also for winter travel plans. The download deadline is September 30, so if you are planning a trip, it is worth grabbing the coupon first.

Searching for Special Fares with Code TRINITY

Special fares are available only on selected dates on eligible routes and are sold on a first-come, first-served basis. Enter the discount code TRINITY on the booking page and search for flights to see whether the discount applies.

  • Select your origin, destination and travel date on the booking page
  • Enter TRINITY in the discount code field
  • Search for flights and check whether the discount applies

Not every date is discounted. If your preferred date does not qualify, try searching a few days earlier or later. Because seats are sold on a first-come, first-served basis, sales may also end once the allotted seats are gone.

Seat Selection and In-Flight Meal Coupons

Besides airfare, discount coupons for ancillary services are also available. Each can be downloaded and used once per member ID.

  • Seat selection coupon: ¥300 off purchases of ¥1,800 or more
  • In-flight meal coupon: ¥300 off
  • Usage period: September 14 – October 31, 2026
  • Travel period: September 14, 2026 – March 27, 2027

Notably, the usage period (until October 31) and the travel period (until March 27, 2027) are set separately. This suggests that purchases made by October 31 can be applied to flights through late March next year, but please check the official website for detailed conditions. A member ID is required, so if you have not registered yet, signing up in advance will make things smoother.

Things to Check Before Booking

  • All discount rates are maximum figures and do not apply to every flight or date.
  • Special fares are limited to selected dates and sold first-come, first-served, so they may sell out.
  • Special coupons can only be applied when paying for round-trip tickets.
  • Seat selection and in-flight meal coupons are limited to one use each per member ID, and the seat selection coupon requires a purchase of ¥1,800 or more.
  • The announcement does not specify whether discounted fares and coupons can be combined, so please confirm when booking.
  • Change and refund conditions and checked baggage rules may vary by fare type, so check them before purchasing.

Summary

Trinity Airways’ first promotion offers discounted fares on routes to and from airports across Japan, led by up to 18% off Economy Class to and from Osaka/Kansai. By also making use of the special coupons for round-trip tickets to five Korean cities and the seat selection and meal coupons, travelers may be able to cut their trip costs further. Sales end September 30, so check soon if you are interested.

Details and booking: https://www.trinityairways.com/main.do?_langCode=JA

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