Cheap flights from Washington to Kathmandu Valley

View AU$871 flight on Wed, 6 Aug. 2025Opens in a new window

Popular airlines from Washington to Kathmandu Valley

  • Cathay Pacific

    Cathay Pacific

  • Emirates

    Emirates

  • Qatar Airways

    Qatar Airways

  • Singapore Airlines

    Singapore Airlines

  • 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 35% 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 Washington (WAS) to Kathmandu Valley (KTM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Fri, 5 Sep. - Sat, 13 Sep.
IAD
Washington
KTM
Kathmandu
AU$1,478 Return, found 3 days ago
AU$1,478
Return
found 3 days ago
Select Air India flight, departing Fri, 5 Sep. from Washington to Kathmandu, returning Sat, 13 Sep., priced at AU$1,478 found 3 days ago
Air India
Fri, 5 Sep. - Sat, 13 Sep.
IAD
Washington
KTM
Kathmandu
AU$1,542 Return, found 3 days ago
AU$1,542
Return
found 3 days ago
Select Air India flight, departing Fri, 5 Sep. from Washington to Kathmandu, returning Sat, 13 Sep., priced at AU$1,542 found 3 days ago
American Airlines
Fri, 5 Sep. - Sat, 13 Sep.
IAD
Washington
KTM
Kathmandu
AU$2,262 Return, found 3 days ago
AU$2,262
Return
found 3 days ago
Select American Airlines flight, departing Fri, 5 Sep. from Washington to Kathmandu, returning Sat, 13 Sep., priced at AU$2,262 found 3 days ago
Qatar Airways
Fri, 5 Sep. - Sat, 13 Sep.
IAD
Washington
KTM
Kathmandu
AU$2,348 Return, found 3 days ago
AU$2,348
Return
found 3 days ago
Select Qatar Airways flight, departing Fri, 5 Sep. from Washington to Kathmandu, returning Sat, 13 Sep., priced at AU$2,348 found 3 days ago
Turkish Airlines
Sat, 13 Sep. - Fri, 26 Sep.
IAD
Washington
KTM
Kathmandu
AU$2,447 Return, found 4 days ago
AU$2,447
Return
found 4 days ago
Select Turkish Airlines flight, departing Sat, 13 Sep. from Washington to Kathmandu, returning Fri, 26 Sep., priced at AU$2,447 found 4 days ago
Emirates
Fri, 5 Sep. - Sat, 13 Sep.
IAD
Washington
KTM
Kathmandu
AU$2,455 Return, found 3 days ago
AU$2,455
Return
found 3 days ago
Select Emirates flight, departing Fri, 5 Sep. from Washington to Kathmandu, returning Sat, 13 Sep., priced at AU$2,455 found 3 days ago

Find the cheapest month to fly from Washington (WAS) to Kathmandu (KTM)

September is typically the cheapest month to fly

From AU$1,484 - AU$2,370 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.