Cheapest return flights from Hanoi to Kathmandu in April from $421

AirHint found the following cheapest return flights from Hanoi (HAN) to Kathmandu (KTM) in April 2026 (see full year).

Return flights

18 Apr - 03 May Vietnam Airlines
23 Apr - 01 May VietJet Air
11 Apr - 17 Apr Thai AirAsia
30 Apr - 18 May VietJet Air
18 Apr - 02 May Thai AirAsia
25 Apr - 02 May Thai AirAsia
07 Apr - 21 Apr Thai AirAsia
19 Apr - 26 Apr Thai AirAsia
05 Apr - 16 Apr Thai AirAsia
05 Apr - 15 Apr Thai AirAsia
24 Apr - 09 May Cathay Pacific
24 Apr - 03 May IndiGo
05 Apr - 21 Apr China Southern

Also check the deals for one-way flights from Hanoi to Kathmandu in April.

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