Singapore Airlines Flight NH631 Deals & Information (2025/2026)
Wander Wisely with exceptional service, 24/7 supportOpens in a new window
Feel at ease with free flight cancellations within 24 hours of booking
Change your flight without a fee on select flights
Singapore Airlines Flight 631 Route Deals From $355
The cheapest prices found with in the last 7 days for return flights were $864 and $355 for one-way flights to Changi for the period specified. Prices and availability are subject to change. Additional terms apply.
HND
Haneda
SIN
Changi
$864 Roundtrip, found 5 days ago
$864
Roundtrip
found 5 days ago