Singapore Airlines Flight 635 Deals & Information (2026/2027)

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Singapore Airlines Flight 635 Route Deals From $1,187

The cheapest prices found with in the last 7 days for return flights were $529 and $1,187 for one-way flights to Changi for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number SQ635 take?
Flight number SQ635 operates non-stop from Haneda Airport (HND) to Changi Airport. During this journey, expect to be in the air for roughly 7 hours. It's wise to book ahead to get your preferred seat.
How often is SQ635 on time?
If you're traveling on Singapore Airlines flight number SQ635 between Tokyo Airport (HND-Haneda) and Changi Airport, 100% of these journeys arrive on time. If you happen to be delayed, you're likely to wait roughly 5 minutes on average. Thanks to this air carrier's quality service, this service has earned a star rating of 4.5.
What terminal does SQ635 fly out of?
Direct flights between HND and SIN are served by SQ635, and passengers with a seat booked on this flight normally take off from Terminal 3.
What kind of plane is on flight number SQ635?
The Airbus A350-900 is the type of plane most often used for flight number SQ635. Usually, this flight takes off from Tokyo Haneda Airport and arrives at Changi Airport (SIN).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your SQ635 flight with Travelocity, please visit our Customer Service Portal.