฿25,885 Cheap Flights from Washington (IAD) to Kathmandu (KTM)

View ฿25,885 flight on Fri, 8 May 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Tribhuvan Intl. Airport (KTM)

  • 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 Washington (IAD) to Kathmandu (KTM)

Prices were available within the past 7 days and start at ฿25,885 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 Washington (IAD) to Kathmandu (KTM)

September is typically the cheapest month to fly

From ฿30,173 - ฿53,652 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Kathmandu route information
Origin airport
Washington Dulles Intl.
Destination airport
Tribhuvan Intl.
Distance
12319 km

Perfect flights from Washington to Kathmandu

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Kathmandu. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to Tribhuvan Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿25,885 and roundtrip prices . Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Tribhuvan Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Kathmandu.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to Tribhuvan Intl. Airport (KTM)?
Round-trip tickets from Washington Dulles Intl. Airport (IAD) to Tribhuvan Intl. Airport (KTM) start from . This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to Tribhuvan Intl. Airport?
When it comes to cancellation fees, each airline has different terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from Dulles Intl. Airport to Tribhuvan Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to KTM flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to KTM?
Chantilly to Kathmandu is around 12,400 kilometres, so get ready to spend quite a while in the air. Don't forget to pack all the essentials, from your headphones to your hoodie. Throw in a few snacks to munch on throughout your trip too.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Tribhuvan Intl. Airport?
Flying nonstop between Dulles Intl. Airport and Tribhuvan Intl. Airport isn't possible at the moment. However, you'll still be able to find a flight to Kathmandu with at least one stop.
Are Washington Dulles Intl. Airport (IAD) to KTM flight tickets cheaper when they're purchased at the last minute?
It is possible to score a great last-minute deal from IAD to Tribhuvan Intl. Airport, but it's also possible to miss out altogether! As many airlines advertise prices up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals regularly, so you can rest assured you're always getting the latest offers.

Explore a world of travel with Expedia

*Available to Expedia members.