Thai Airways International Flight 657 Deals & Information (2025/2026)

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Thai Airways International Flight 657 Route Deals From $255

The cheapest prices found with in the last 7 days for return flights were $458 and $255 for one-way flights to Suvarnabhumi Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number TG657 take?
TG657 takes about 5 hours and 50 minutes to fly direct from Seoul–Incheon Intl. Airport to Bangkok Airport (BKK-Suvarnabhumi Intl.). Sure, there’s magic in the destination, but getting there is half the fun!
What terminal does TG657 fly out of?
Flight number TG657 runs between Seoul Airport (ICN-Incheon Intl.) and Suvarnabhumi Airport, and those booked on this flight commonly jet off from Terminal 1.
What kind of plane is on flight number TG657?
Get ready to cruise aboard an Airbus A350-900 if you have a seat on flight TG657. Almost all services from Incheon Intl. Airport (ICN) to BKK use this aircraft type.
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 TG657 flight with Travelocity, please visit our Customer Service Portal.