Thai Airways International Flight TG401 Deals & Information (2025/2026)

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Thai Airways International Flight 401 Route Deals From $112

The cheapest prices found with in the last 7 days for return flights were $181 and $112 for one-way flights to Changi for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 18 - Mon, Sep 22
BKK
Suvarnabhumi Intl.
SIN
Changi
$181 Roundtrip, just found
$181
Roundtrip
just found
Select Thai Airways International flight, departing Thu, Sep 18 from Suvarnabhumi Intl. to Changi, returning Mon, Sep 22, priced at $181 just found
Tue, Sep 30 - Wed, Oct 1
BKK
Suvarnabhumi Intl.
SIN
Changi
$200 Roundtrip, found 1 day ago
$200
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Tue, Sep 30 from Suvarnabhumi Intl. to Changi, returning Wed, Oct 1, priced at $200 found 1 day ago
Thu, Sep 18 - Mon, Sep 22
BKK
Suvarnabhumi Intl.
SIN
Changi
$240 Roundtrip, just found
$240
Roundtrip
just found
Select Thai Airways International flight, departing Thu, Sep 18 from Suvarnabhumi Intl. to Changi, returning Mon, Sep 22, priced at $240 just found