Flights to Kathmandu from Portland

View ฿19,000 flight on Thu, 21 Aug 2025Opens in a new window

Popular airlines from Portland to Kathmandu

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Portland (PDX) to Kathmandu (KTM)

Prices were available within the past 7 days and start at ฿19,000 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Portland (PDX) to Kathmandu (KTM)

September is typically the cheapest month to fly

From ฿36,467 - ฿50,272 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.