Thai Airways International Flight TG403 Deals & Information (2025/2026)

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Thai Airways International Flight 403 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $382 and $204 for one-way flights to Changi for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 28 - Sun, Nov 30
BKK
Suvarnabhumi Intl.
SIN
Changi
$382 Roundtrip, found 6 hours ago
$382
Roundtrip
found 6 hours ago
Select Thai Airways International flight, departing Fri, Nov 28 from Suvarnabhumi Intl. to Changi, returning Sun, Nov 30, priced at $382 found 6 hours ago

Frequently asked questions

What route does flight number TG403 take?
TG403 travels between BKK and Singapore Airport (SIN-Changi) and flies direct. This service takes 2 hours and 15 minutes.
What kind of plane is on flight number TG403?
Get ready to cruise aboard a Boeing 777 if you're traveling on flight TG403. Nearly all services from Suvarnabhumi Intl. Airport (BKK) to SIN are operated using this type of plane.
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 TG403 flight with Travelocity, please visit our Customer Service Portal.