IAD - KTM

₹ 55,167 Find Cheap Flights from Washington, D.C. to Kathmandu – Compare and Save

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Everything you should know

Cheapest return flight
₹ 138,538
Typical prices: ₹ 125,496-₹ 166,314
Turkish Airlines
Wed 31/1Wed 28/2
IAD - KTM • 1 stop
Cheapest one-way flight
₹ 55,167
Typical prices: ₹ 51,052-₹ 84,770
Multiple Airlines
Sun 28/1
IAD - KTM • 2 stops
Direct flights
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Kathmandu. You'll need to take a connecting flight to reach the destination.
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When to book
in advance
Our data shows that travellers who book at least 25 weeks in advance save around 12% compared to booking last minute.
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When to travel
Cheapest • 14% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg ₹ 127,603 (return)
Shortest trip • 25h 08m (one-way)
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We hope you enjoy your trip to Kathmandu!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to Kathmandu (IAD-KTM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dulles Intl to Kathmandu

Sun, 31 Jan - Sun, 28 Feb
Turkish Airlines Logo
21:20 - 11:20IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
27h 15m1 stop Istanbul
Turkish Airlines Logo
12:45 - 11:45KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 45m1 stop Istanbul
₹ 138,538Turkish Airlines
Mon, 23 Nov - Tue, 22 Dec
Turkish Airlines Logo
13:30 - 11:20IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
35h 05m1 stop Istanbul
Turkish Airlines Logo
12:45 - 19:25KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
41h 25m1 stop Istanbul
₹ 140,158Turkish Airlines
Sun, 8 Nov - Thu, 17 Dec
Emirates Logo
10:30 - 18:40IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
21h 25m1 stop Dubai Intl
Emirates Logo
09:20 - 08:10KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 35m1 stop Dubai Intl
₹ 141,968Emirates
Sat, 28 Nov - Tue, 22 Dec
Turkish Airlines Logo
13:30 - 11:20IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
35h 05m1 stop Istanbul
Turkish Airlines Logo
12:45 - 11:45KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 45m1 stop Istanbul
₹ 143,969Turkish Airlines
Mon, 23 Nov - Mon, 21 Dec
Turkish Airlines Logo
21:20 - 11:20IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
27h 15m1 stop Istanbul
Turkish Airlines Logo
12:45 - 11:45KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 45m1 stop Istanbul
₹ 144,445Turkish Airlines
Wed, 11 Nov - Sat, 12 Dec
Turkish Airlines Logo
13:30 - 11:20IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
35h 05m1 stop Istanbul
Turkish Airlines Logo
12:45 - 11:45KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 45m1 stop Istanbul
₹ 146,637Turkish Airlines
Wed, 11 Nov - Tue, 8 Dec
Qatar Airways Logo
20:05 - 08:20IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
25h 30m1 stop Doha Hamad Intl
Qatar Airways Logo
18:45 - 15:55KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
31h 55m1 stop Doha Hamad Intl
₹ 148,161Qatar Airways
Sat, 28 Nov - Mon, 21 Dec
Turkish Airlines Logo
13:30 - 11:20IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
35h 05m1 stop Istanbul
Turkish Airlines Logo
12:45 - 19:25KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
41h 25m1 stop Istanbul
₹ 148,256Turkish Airlines
Mon, 26 Oct - Tue, 24 Nov
Qatar Airways Logo
21:05 - 08:20IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
25h 30m1 stop Doha Hamad Intl
Qatar Airways Logo
11:05 - 08:10KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
31h 50m1 stop Doha Hamad Intl
₹ 148,352Qatar Airways
Sun, 18 Oct - Mon, 2 Nov
Qatar Airways Logo
21:00 - 14:15IAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
31h 30m1 stop Doha Hamad Intl
Qatar Airways Logo
11:05 - 15:55KTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
39h 35m1 stop Doha Hamad Intl
₹ 148,638Qatar Airways
Booking Insights

Price, demand, and travel trends for Washington, D.C. Dulles Intl Airport to Kathmandu flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Kathmandu with more confidence.

How much is a return flight from Washington, D.C. Dulles Intl Airport to Kathmandu?

Return flights from Washington, D.C. Dulles Intl Airport to Kathmandu start at ₹ 138,538. Prices are typical for this route right now, with typical return fares ranging from ₹ 125,496 to ₹ 166,314. The lowest price found in the past 5 days was ₹ 138,538 on Turkish Airlines.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Kathmandu?

Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Kathmandu and is 5% cheaper than the average day. Saturday is the most expensive day with flight prices 6% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Kathmandu?

  • January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Kathmandu at ₹ 120,435 return.
  • June (₹ 180,175) and July (₹ 167,789) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 49% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Kathmandu the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Kathmandu are cheapest 25 weeks before departure. Booking in this window typically costs about 12% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Washington, D.C. Dulles Intl Airport to Kathmandu flights

Low season

February

Cheapest flight

₹ 55,167
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (28% more expensive on average)
Flights from Washington, D.C. Dulles Intl Airport to Kathmandu

When to book flights from Dulles Intl to Kathmandu

Are your dates flexible? Find out the best times to travel from Dulles Intl to Kathmandu based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Washington, D.C. Dulles Intl Airport to Kathmandu flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What amenities and services can I enjoy at Washington Dulles International Airport (IAD)?

    While waiting on your plane to leave Washington, D.C., you'll have access to many airport amenities such as charging stations, airline lounges, an interfaith chapel, several restaurants, and ATM machines. How about relaxing before your flight leaves? There is a spa by both Gates A & B.

  • How can I get from Tribhuvan International Airport (KTM) to my hotel?

    Public transportation is limited in Kathmandu. Therefore, a taxi might be your best option for getting to your hotel. At the airport, taxis pick up passengers outside of the arrival hall. You can also arrange for a taxi at the tourist information desk inside the airport.

  • Are there banking services or a currency exchange center at the Tribhuvan International Airport (KTM)?

    Yes, there are several ways that you can conduct financial business while at the airport. If you need to withdraw funds for your trip, there are ATM machines. There are also several bank branches inside the airport where you can get more personal service and/or exchange your US dollars for the Nepalese rupee.

  • Where can I park my car at the Washington Dulles International Airport (IAD)?

    There are several places to park at the Dulle Airport while you're on vacation in Kathmandu. If you'd prefer covered parking, there are a couple of parking garages that are a short walk from the terminal. The economy parking lot is best if you're traveling on a budget. It is right off of Dulles Access Road and a quick drive from the terminal. For your convenience, there is a shuttle that goes back and forth both day and night. Curbside valet service is also available.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Kathmandu?

    Flights from Washington, D.C. Dulles Intl Airport to Kathmandu usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Kathmandu Tribhuvan (KTM).

  • Which cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Kathmandu?

    Only Economy class is available on flights from Washington, D.C. Dulles Intl Airport to Kathmandu.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Kathmandu pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Kathmandu most commonly connect through:

    • Doha Hamad Intl (DOH) – 61% of one-stop connections
    • Dubai Intl (DXB) – 21% of one-stop connections
    • Istanbul (IST) – 17% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 2% of one-stop connections

    Doha Hamad Intl (DOH) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Kathmandu?

    Yes. Being flexible with your travel dates can save you up to 10% on the Washington, D.C. Dulles Intl Airport to Kathmandu route. Monday is the cheapest departure day at ₹ 134,822 return on average, while Saturday is the most expensive at ₹ 149,400, a difference of ₹ 14,578. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Kathmandu flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 8% above the route average of ₹ 140,524. Book 25 weeks before departure for the lowest fares.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Kathmandu?

    A direct flight from Washington, D.C. Dulles Intl Airport to Kathmandu takes 0h 00m, covering 19,930 km.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Kathmandu?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Kathmandu looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Kathmandu are currently higher than usual. Average one-way flight prices are about ₹ 101,731, which is 48% above the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Washington, D.C. Dulles Intl Airport to Kathmandu?

    Flying via New Delhi Indira Gandhi Intl (DEL) gives the shortest average 1-stop total travel time of 23h 51m, compared to 25h 08m via Dubai Intl (DXB) and 25h 19m via Doha Hamad Intl (DOH).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Kathmandu?

    Kathmandu is 9 hours ahead of Washington, D.C. Dulles Intl Airport (Nepal Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Kathmandu flight?

    Return flights from Washington, D.C. Dulles Intl Airport to Kathmandu range from ₹ 125,496 to ₹ 166,314, with an average of ₹ 140,524 over the past 12 months. Anything below ₹ 125,496 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Kathmandu flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average ₹ 134,822 – about ₹ 14,578 less than Saturday (10% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 12% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Kathmandu trip for January. Fares historically average ₹ 120,435 return in that month – typically ₹ 59,741 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Kathmandu Tribhuvan Airport.
    - The Dwarika's
  • When booking your flight from Washington Dulles International Airport (IAD), you'll have your choice of flights. You'll have to change planes at least once in a major airport such as Doha Hamad International, Dallas/Fort Worth, Dubai International, or Delhi. Some layovers are as short as 48min.
  • Kathmandu Tribhuvan International Airport (KTM) services Kathmandu City and Kathmandu Valley. It has just two terminals, one for domestic flights and the other for international flights. The airport is about a 10min drive from Kathmandu's city center, 15min to Thamel, and about 16min from Patan.
  • You'll be able to get around Washington Dulles International Airport quickly using its airport transportation system. Known as the Aero Train, it takes passengers from one terminal to another. There are also moving walkways and shuttle service in between stations.
  • To help with your travel plans, there is a tourist information desk at the Kathmandu Tribhuvan Airport (KTM). It offers information about local attractions, accommodations, transportation, and places to eat.
  • If someone is dropping you off at the Washington Dulles International Airport (IAD), there are a few options. If you can get out of the car fast, curbside dropoff is very convenient. If you'll need a little time and don't want to be rushed, the terminal parking lot or one of the garages is ideal. Both provide easy access to the terminals via a covered walkway.

More options for your flight from Dulles Intl to Kathmandu