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Spring Airlines Japan

Spring Airlines Japan, marketed as SPRING JAPAN (IJ/SJO), is a Japanese low-cost carrier based at Tokyo Narita. Its network is regional and short-haul, covering domestic routes in Japan and international routes to China, with official schedules published separately for IJ domestic and international flights. For loyalty, the airline site points travelers to SpringPass Point management; it is not listed as a global-alliance carrier in airline listings, so mileage credit should be checked against the specific fare, operating carrier and program rules before booking. The main traveler trade-off is the low-cost structure: fare bundles, checked baggage, seat selection and priority services vary by fare type.