AirHint found the following cheapest return flights from Chicago (ORD) to Kathmandu (KTM) in May 2026 (see full year).
Return flights
| 17 May - 07 Jun | SWISS | ||
| 13 May - 13 Jun | Frontier Airlines | ||
| 13 May - 18 Jun | Frontier Airlines | ||
| 16 May - 20 Jun | IndiGo |
Also check the deals for one-way flights from Chicago to Kathmandu in May.
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