Singapore Airlines Flight 638 Deals & Information (2025/2026)

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Frequently asked questions

What route does flight number SQ638 take?
Flight number SQ638 takes roughly 7 hours and 5 minutes to fly direct from Singapore Airport (SIN-Changi) to Tokyo Narita Airport. Sure, there's magic in the destination, but half the fun is in the journey!
What terminal does SQ638 fly out of?
Travelers with a booking on flight number SQ638 from SIN to Tokyo Airport (NRT-Narita Intl.) typically fly out of Terminal 3.
What kind of plane is on flight number SQ638?
Get set to jump on board a Boeing 787 if you've booked a seat on flight SQ638. Almost all services from Singapore Airport (SIN-Changi) to NRT use this model 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 SQ638 flight with Travelocity, please visit our Customer Service Portal.