Thai Airways International Flight TG404 Deals & Information (2025/2026)

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Thai Airways International Flight 404 Route Deals From $185

The cheapest prices found with in the last 7 days for return flights were $302 and $185 for one-way flights to Suvarnabhumi Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 7 - Sat, Jul 12
SIN
Changi
BKK
Suvarnabhumi Intl.
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Mon, Jul 7 from Changi to Suvarnabhumi Intl., returning Sat, Jul 12, priced at $302 found 1 day ago

Frequently asked questions

What route does flight number TG404 take?
TG404 flies directly from SIN to Suvarnabhumi Airport. During this journey, you’ll be in the air for approximately 2 hours and 20 minutes. It pays to book ahead to secure your preferred seat.
What terminal does TG404 fly out of?
Passengers with seats booked on flight number TG404 from SIN to Bangkok Airport (BKK-Suvarnabhumi Intl.) usually depart from Terminal 1.
What kind of plane is on flight number TG404?
The route for TG404 is generally Changi Airport (SIN) to Bangkok Airport (BKK-Suvarnabhumi Intl.), and the Boeing 777 is the aircraft model you’ll probably be taking off on.
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 TG404 flight with Travelocity, please visit our Customer Service Portal.