AirHint found the following cheapest one-way flights from Seattle (SEA) to Kathmandu (KTM) in October 2025 (see full year).
One-Way flights
| 19 Oct | Asiana Airlines | ||
| 06 Oct | Japan Airlines | ||
| 18 Oct | Alaska Airlines | ||
| 10 Oct | Philippine Airlines | ||
| 11 Oct | Alaska Airlines | ||
| 17 Oct | EVA Air |
Also check the deals for return flights from Seattle to Kathmandu in October.
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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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