Cheapest return flights from Washington to Kathmandu in April from $906

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

Return flights

11 Apr - 04 May SWISS
11 Apr - 03 May SWISS
04 Apr - 03 May SWISS
16 Apr - 04 May SWISS
06 Apr - 23 Apr SWISS
12 Apr - 04 May Etihad Airways
14 Apr - 29 May SWISS
13 Apr - 20 Apr Etihad Airways
10 Apr - 04 May Etihad Airways
12 Apr - 19 Apr Etihad Airways
24 Apr - 03 May Etihad Airways
10 Apr - 03 May Etihad Airways
03 Apr - 03 May Etihad Airways
03 Apr - 18 Apr Etihad Airways
03 Apr - 10 Apr Etihad Airways
01 Apr - 11 Apr Etihad Airways
14 Apr - 21 Apr Qatar Airways
03 Apr - 04 Apr Qatar Airways

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

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