KTM - IAD

$518 Find Cheap Flights from Kathmandu to Washington Dulles Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$1,092
Typical prices: $1,314-$1,562
Multiple Airlines
Fri 11/9Sat 2/10
KTM - IAD • 2 stops
Cheapest one-way
$559
Typical prices: $718-$1,019
Air China
Mon 12/24
KTM - IAD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Kathmandu and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
16 weeks
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 16% compared to booking last minute.
Insights
Insights
When to travel
December
Cheapest • 9% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Abu Dhabi Zayed Intl (AUH)
Cheapest • Avg $942 (round-trip)
Dubai Intl (DXB)
Shortest trip • 23h 39m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from Kathmandu to Dulles Intl

Mon, Nov 9 - Wed, Feb 10
Multiple Airlines Logo
7:20 am - 5:00 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
32h 25m2 stops Kuwait City Cairo
Multiple Airlines Logo
2:25 pm - 9:45 amIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
32h 35m3 stops Abu Dhabi Zayed Intl Mumbai Chhatrapati Shivaji Intl New Delhi Indira Gandhi Intl
$1,092Multiple Airlines
Sun, Nov 15 - Mon, Feb 15
Multiple Airlines Logo
8:50 pm - 3:55 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
53h 50m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl
Multiple Airlines Logo
8:05 pm - 7:50 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
37h 00m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl
$1,105Multiple Airlines
Mon, Nov 9 - Wed, Feb 10
Multiple Airlines Logo
7:20 am - 5:00 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
32h 25m2 stops Kuwait City Cairo
Multiple Airlines Logo
2:25 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
21h 45m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
$1,116Multiple Airlines
Mon, Nov 9 - Wed, Feb 10
Qatar Airways Logo
3:50 pm - 3:55 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
34h 50m1 stop Doha Hamad Intl
Qatar Airways Logo
8:05 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
34h 55m1 stop Doha Hamad Intl
$1,327Qatar Airways
Wed, Dec 2 - Wed, Jan 13
Qatar Airways Logo
3:50 pm - 3:55 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
34h 50m1 stop Doha Hamad Intl
Qatar Airways Logo
8:05 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
34h 55m1 stop Doha Hamad Intl
$1,359Qatar Airways
Mon, Nov 16 - Wed, Feb 10
Qatar Airways Logo
3:50 pm - 3:55 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
34h 50m1 stop Doha Hamad Intl
Qatar Airways Logo
8:05 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
34h 55m1 stop Doha Hamad Intl
$1,369Qatar Airways
Thu, Dec 24 - Fri, Feb 12
Emirates Logo
3:00 pm - 8:35 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
28h 20m1 stop Dubai Intl
Emirates Logo
10:35 am - 2:00 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
40h 40m1 stop Dubai Intl
$1,420Emirates
Fri, Dec 25 - Fri, Jun 4
Emirates Logo
7:40 pm - 8:35 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
23h 40m1 stop Dubai Intl
Emirates Logo
10:55 am - 6:55 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
22h 15m1 stop Dubai Intl
$1,425Emirates
Sat, Feb 13 - Wed, Aug 11
Turkish Airlines Logo
12:45 pm - 7:25 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
41h 25m1 stop Istanbul
Turkish Airlines Logo
1:15 pm - 6:05 amIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
31h 05m1 stop Istanbul
$1,610Turkish Airlines
Sat, Feb 13 - Sat, Aug 14
Turkish Airlines Logo
12:45 pm - 11:45 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 45m1 stop Istanbul
Turkish Airlines Logo
9:45 pm - 6:05 amIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
22h 35m1 stop Istanbul
$1,610Turkish Airlines
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Kathmandu to Washington, D.C. Dulles Intl Airport. It’s 6% cheaper than the average day, while Sunday is the most expensive, with prices 7% higher.

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

•December is the cheapest month to fly from Kathmandu to Washington, D.C. Dulles Intl Airport at $1,289 round-trip.
•April ($1,581) and August ($1,563) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 22% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Kathmandu to Washington, D.C. Dulles Intl Airport are cheapest 16 weeks before departure. Booking in this window typically costs about 16% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

October

Cheapest flight

$559
Beat the crowds with an average 49% drop in travelers.
The most popular month to fly with an average 59% increase in travelers.
One-way flight from Kathmandu to Washington, D.C. Dulles Intl Airport

When to book flights from Kathmandu to Dulles Intl

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

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

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

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

    • Economy Class
    • Business Class

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

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

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

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

    Round-trip flights from Kathmandu to Washington, D.C. Dulles Intl Airport range from $1,314 to $1,562, with an average of $1,422 over the past 12 months. Anything below $1,314 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 4% above the $1,422 route average. Book 16 weeks before departure for the lowest fares.

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

    One-way fares from Kathmandu to Washington, D.C. Dulles Intl Airport are currently in line with typical prices for this route. Average one-way fares are about $868.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates averaging $70 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

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

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

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

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

    • Doha Hamad Intl (DOH) - 63% of one-stop connections
    • Dubai Intl (DXB) - 22% of one-stop connections
    • Istanbul (IST) - 12% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 2% of one-stop connections

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

    Yes. Flexible dates can save you up to 12% on flights from Kathmandu to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $1,348 round-trip on average, while Sunday is the most expensive at $1,527, a difference of $179.

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

    Flying via Dubai Intl (DXB) gives the shortest average 1-stop total travel time at 23h 39m, compared with 25h 31m via Doha Hamad Intl (DOH) and 26h 32m via Istanbul (IST).

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

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

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • Which facilities in IAD airport are convenient for traveling mothers?

    AID airport provides baby care facilities essential to traveling mothers. Lactating mothers can use the nursing rooms which offer a private and comfortable environment with power outlets and comfortable seating for breastfeeding or pumping breast milk. You can find one in the main terminal and another near gate A20 which has a sink.

  • Are there art features at IAD airport?

    Yes. IAD airport has an art program to give the passengers a memorable experience before heading out. Art enthusiast travelers can visit the Wonders of Wonders, a permanent abstract art found near the A-Gates which depicts the exploration of the universe. You can also enjoy watching the sculpture with moving lighting across the space with forms referring to airplanes in the International Arrivals.

  • Can I access parking facilities at KTM airport?

    Yes. KTM airport has long-term parking facilities accessible by all travelers located outside the terminal building. There is also a parking garage in front of the international terminal building with parking spaces preserved for VIP, diplomatic, and government vehicles. Accessible parking spaces are available in all the parking lots.

  • Which lounges are available at KTM airport?

    KTM airport hosts three lounges: Executive Lounge, Thai Airways Royal Silk Lounge and Horizon Lounge in the International Terminal where any class passengers can relax and fuel up before their flights. However, Executive Lounge provides fax, disabled access and conference facilities. There is also CIP Lounge reserved for corporate travelers.

Your guide to booking Kathmandu to Washington, D.C. Dulles Intl Airport 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 Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $1,348, about $179 less than Sunday fares (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 16% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Kathmandu to Washington, D.C. Dulles Intl Airport trip for December. Fares historically average $1,289 round-trip in that month - typically $292 less than the most expensive month, which is April (based on the last 12 months).
  • Kathmandu Tribhuvan International Airport (KTM) provides special facilities to accommodate travelers with reduced mobility including the elderly and disabled passengers. Ramps, elevators and wheelchair-accessible toilets are available throughout the airport. TDD telephones for the hearing-impaired and braille signage for the blind are public in the terminals. Passengers in need of wheelchair assistance should make arrangements with their airlines.
  • Corporate travelers will be glad to travel KTM airport to Washington Dulles International Airport (IAD) route since KTM airport has pressrooms, business centers and conference rooms next to the passenger terminal building at KTM airport. Business travelers can hold briefings or short meetings in the conference rooms or update their work at the workstations in the business center before boarding.
  • IAD airport provides family-friendly facilities that are suitable for family travelers. You can take your kids to the play area called Funway featuring slides, an interactive game system and airplane-themed climbing structures to have fun as you relax in the lounge upon arrival at the airport. IAD Airport provides a family room that up to four families can use.
  • Travelers can access ground transportation services upon arrival at IAD airport. An inter-terminal train called Aerotrain transfers passengers between the midfield gates to the terminal. If you want to get to Downtown DC quickly go for taxi services offered by Washington Flyer Taxicabs found on the lower level outside Doors 2 and 6 of the Arrivals Hall.
  • Travelers accompanied by their pets or service animals will be glad to land at IAD airport. The airport has pet relief areas inside the concourses next to Gate A32 and the Virgin Atlantic Club with complimentary waste bags where traveling animals can relieve themselves. If you want your furry friend to stretch and have fun, take them to the pet area outside the terminal.

More options for your flight from Kathmandu to Dulles Intl

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