Singapore Airlines Flight 634 Deals & Information (2025/2026)

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Frequently asked questions

What route does flight number SQ634 take?
You'll arrive into Tokyo Haneda Airport from SIN if you're traveling on flight number SQ634. You'll be airborne for 6 hours and 55 minutes during this journey. It's also worthwhile noting that it conveniently travels non-stop.
What terminal does SQ634 fly out of?
Travelers with seats booked on flight number SQ634 from Singapore Airport (SIN-Changi) to Tokyo Airport (HND-Haneda) usually depart from Terminal 3.
What kind of plane is on flight number SQ634?
Get set to board an Airbus A350-900 if you've booked a seat on flight SQ634. Nearly all services from Changi Airport to Tokyo Airport (HND-Haneda) operate using this kind of aircraft.
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 SQ634 flight with Travelocity, please visit our Customer Service Portal.