Thai Airways International Flight JL642 Deals & Information (2025/2026)

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Thai Airways International Flight 642 Route Deals From $304

The cheapest prices found with in the last 7 days for return flights were $538 and $304 for one-way flights to Narita Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number TG642 take?
Flight number TG642 operates direct from Suvarnabhumi Intl. Airport (BKK) to Narita Intl. Airport (NRT). During this trip, expect to be in the air for roughly 6 hours and 20 minutes. Consider booking ahead to lock in your preferred seat.
What kind of plane is on flight number TG642?
Get ready to climb aboard a Boeing 777-300 if you're taking off on flight TG642. The majority of flights from Suvarnabhumi Intl. Airport (BKK) to Tokyo Narita Airport use this type 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 TG642 flight with Travelocity, please visit our Customer Service Portal.