Japan Airlines vs Singapore Airlines

Side-by-side comparison of Japan Airlines and Singapore Airlines: cabin and checked baggage allowances, fees, online check-in deadlines, alliances, hubs and contacts.

Japan AirlinesSingapore Airlines
Country JapanSingapore
Founded 19511947
Type Full-service airlineFull-service airline
Alliance oneworldStar Alliance
Main hubs Haneda Airport, Narita International AirportSingapore Changi Airport
Aircraft types 55
Cabin bag weight 10 kg (22 lb)7 kg (15 lb)
Cabin bag size -115 cm (45 in)
Checked bag (Economy) 2 pieces · 23 kg (51 lb)1 piece · 25 kg (55 lb)
Extra bag fee from 200 USDfrom 100 USD
Online check-in opens 24 h2 days
Online check-in closes 1 h1 h 30 min
Airport check-in fee freefree
Customer service phone +81 3 5460 3109+65 6223 8888

Key differences

  • Japan Airlines allows a heavier cabin bag: 10 kg (22 lb) vs 7 kg (15 lb) at Singapore Airlines.
  • Singapore Airlines includes more checked baggage in the basic Economy fare: 1 piece · 25 kg (55 lb) vs 2 pieces · 23 kg (51 lb) at Japan Airlines.
  • Singapore Airlines opens online check-in earlier (2 days before departure vs 24 h).
  • Japan Airlines lets you check in online closer to departure (1 h vs 1 h 30 min).
  • Japan Airlines is a oneworld member, so miles and status benefits carry over to partner airlines.
  • Singapore Airlines is a Star Alliance member, so miles and status benefits carry over to partner airlines.

Other comparisons

Allowances shown are for the basic Economy fare on most routes. Fees are the lowest published prices and change often - confirm on the official websites before booking.