Cheap flights from Bangkok to Kathmandu

View AU$180 flight on Wed, 20 Aug. 2025Opens in a new window

Popular airlines from Bangkok to Kathmandu

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Cheap Flights from Bangkok (BKK) to Kathmandu (KTM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Wed, 26 Nov. - Mon, 9 Feb.
DMK
Bangkok
KTM
Kathmandu
AU$391 Return, found 5 days ago
AU$391
Return
found 5 days ago
Select Thai AirAsia flight, departing Wed, 26 Nov. from Bangkok to Kathmandu, returning Mon, 9 Feb., priced at AU$391 found 5 days ago
Thai Lion Mantari
Sun, 17 Aug. - Sun, 24 Aug.
DMK
Bangkok
KTM
Kathmandu
AU$529 Return, found 4 days ago
AU$529
Return
found 4 days ago
Select Thai Lion Mantari flight, departing Sun, 17 Aug. from Bangkok to Kathmandu, returning Sun, 24 Aug., priced at AU$529 found 4 days ago
IndiGo
Sat, 23 Aug. - Sat, 6 Sep.
BKK
Bangkok
KTM
Kathmandu
AU$569 Return, found 5 days ago
AU$569
Return
found 5 days ago
Select IndiGo flight, departing Sat, 23 Aug. from Bangkok to Kathmandu, returning Sat, 6 Sep., priced at AU$569 found 5 days ago
China Southern Airlines
Sat, 23 Aug. - Sat, 6 Sep.
BKK
Bangkok
KTM
Kathmandu
AU$573 Return, found 5 days ago
AU$573
Return
found 5 days ago
Select China Southern Airlines flight, departing Sat, 23 Aug. from Bangkok to Kathmandu, returning Sat, 6 Sep., priced at AU$573 found 5 days ago
Sri Lankan Airlines
Sun, 17 Aug. - Sun, 24 Aug.
BKK
Bangkok
KTM
Kathmandu
AU$601 Return, found 4 days ago
AU$601
Return
found 4 days ago
Select Sri Lankan Airlines flight, departing Sun, 17 Aug. from Bangkok to Kathmandu, returning Sun, 24 Aug., priced at AU$601 found 4 days ago
Air India
Thu, 28 Aug. - Wed, 3 Sep.
BKK
Bangkok
KTM
Kathmandu
AU$665 Return, found 1 day ago
AU$665
Return
found 1 day ago
Select Air India flight, departing Thu, 28 Aug. from Bangkok to Kathmandu, returning Wed, 3 Sep., priced at AU$665 found 1 day ago

Find the cheapest month to fly from Bangkok (BKK) to Kathmandu (KTM)

November is typically the cheapest month to fly

From AU$342 - AU$843 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.