The contributors of Flight-Report published 19 reviews on 5 airlines on the route Tokyo - Narita (NRT) → Singapore - Changi (SIN). The airline with the best average rating is Singapore Airlines with 8.7/10. The average flight time is 8 hours and 5 minutes.
Airlines on this route are:
Frequent travelers recommend "JAL First Lounge" at NRT for services and meals/catering.