Cheapest return flights from Philadelphia to Kathmandu in May from $1318

AirHint found the following cheapest return flights from Philadelphia (PHL) to Kathmandu (KTM) in May 2026 (see full year).

Return flights

17 May - 02 Jun Lufthansa
16 May - 03 Jun British Airways
17 May - 01 Jun Qatar Airways
18 May - 01 Jun Qatar Airways

Also check the deals for one-way flights from Philadelphia to Kathmandu in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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