IAD - KTM

$539 Find Cheap Flights from Washington Dulles Airport to Kathmandu - Compare and Save

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Everything you should know

Cheapest round-trip
$1,089
Typical prices: $1,317-$1,746
Multiple Airlines
Fri 9/28Sat 10/13
IAD - KTM • 2 stops
Cheapest one-way
$539
Typical prices: $536-$890
Multiple Airlines
Tue 12/4
IAD - KTM • 2 stops
Nonstop 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 travelers who book at least 25 weeks in advance save around 12% compared to booking last minute.
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Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $1,339 (round-trip)
Shortest trip • 25h 08m (one-way)
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Booking Insights
Flight Deals

Cheap Flights from Dulles Intl to Kathmandu (IAD-KTM)

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

Recent round-trip flight deals from Dulles Intl to Kathmandu

Mon, Sep 28 - Tue, Oct 13
Multiple Airlines Logo
9:00 pm - 6:10 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
35h 25m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
8:10 am - 3:40 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
41h 15m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl
$1,089Multiple Airlines
Sat, Nov 14 - Sun, Dec 13
Multiple Airlines Logo
5:50 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
42h 20m2 stops Jeddah King Abdulaziz Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
1:45 pm - 1:50 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
58h 50m2 stops New Delhi Indira Gandhi Intl Jeddah King Abdulaziz Intl
$1,133Multiple Airlines
Sun, Jan 3 - Wed, Jan 20
Turkish Airlines Logo
9:20 pm - 11:20 amIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
27h 15m1 stop Istanbul
Turkish Airlines Logo
12:45 pm - 7:25 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
41h 25m1 stop Istanbul
$1,370Turkish Airlines
Thu, Jan 7 - Thu, Feb 25
Turkish Airlines Logo
9:20 pm - 11:20 amIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
27h 15m1 stop Istanbul
Turkish Airlines Logo
12:45 pm - 7:25 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
41h 25m1 stop Istanbul
$1,376Turkish Airlines
Sun, Nov 8 - Thu, Dec 10
Qatar Airways Logo
10:30 am - 5:30 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
20h 15m1 stop Doha Hamad Intl
Qatar Airways Logo
6:45 pm - 8:30 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
24h 30m1 stop Doha Hamad Intl
$1,434Qatar Airways
Mon, Oct 19 - Thu, Nov 19
Qatar Airways Logo
9:00 pm - 2:15 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
31h 30m1 stop Doha Hamad Intl
Qatar Airways Logo
6:45 pm - 8:10 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
24h 10m1 stop Doha Hamad Intl
$1,436Qatar Airways
Wed, Feb 3 - Mon, Apr 5
Emirates Logo
10:30 am - 6:40 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
21h 25m1 stop Dubai Intl
Emirates Logo
12:35 am - 8:40 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
41h 50m1 stop Dubai Intl
$1,465Emirates
Tue, Nov 10 - Thu, Dec 17
Emirates Logo
10:30 am - 11:30 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
26h 15m1 stop Dubai Intl
Emirates Logo
9:20 am - 8:10 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 35m1 stop Dubai Intl
$1,490Emirates
Mon, Sep 28 - Sun, Oct 18
SWISS Logo
8:20 pm - 6:35 amIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
24h 30m2 stops Zurich New Delhi Indira Gandhi Intl
SWISS Logo
9:10 pm - 4:45 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
29h 20m2 stops New Delhi Indira Gandhi Intl Zurich
$1,869SWISS
Mon, Sep 28 - Mon, Oct 19
SWISS Logo
8:20 pm - 6:35 amIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
24h 30m2 stops Zurich New Delhi Indira Gandhi Intl
SWISS Logo
9:10 pm - 3:25 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
28h 00m2 stops New Delhi Indira Gandhi Intl Zurich
$1,869SWISS
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.

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, it 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 $1,264 round-trip.
•June ($1,891) and July ($1,761) 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

$539
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 28% increase in price.
Flight 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 round-trip 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).

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

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Kathmandu:

    • Economy Class
    • Business Class

  • 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 $1,415 round-trip on average, while Saturday is the most expensive at $1,568, a difference of $153. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Kathmandu?

    Garden of Dreams is one of the most viewed places in Kathmandu on KAYAK.

  • 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 $1,475. Book 25 weeks before departure for the lowest fares.

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

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Kathmandu takes 0h 00m, covering 7,695 miles.

  • 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 $883, which is 22% above the typical average for this route.

  • How much time can I save by choosing a different layover 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 at 23h 51m, compared with 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?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Kathmandu range from $1,317 to $1,746, with an average of $1,475 over the past 12 months. Anything below $1,317 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 can be flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average $1,415 - about $153 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 $1,264 round-trip in that month - typically $627 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.
    - Vannasut Hotel and Spa
    - The Everest Hotel Kathmandu
  • 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

Complete your trip to Kathmandu with a hotel stay or car rental