WAS - KTM

$555 Find Cheap Flights from Washington, D.C. to Kathmandu - Compare and Save

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Everything you should know

Cheapest round-trip
$1,258
Typical prices: $1,351-$1,782
Multiple Airlines
Thu 2/1Wed 2/28
IAD - KTM • 2 stops
Cheapest one-way
$555
Typical prices: $605-$934
Multiple Airlines
Sun 1/28
IAD - KTM • 3 stops
Top routes
DCA - KTM
Cheapest • 15% average savings
IAD - KTM
Most popular
Insights
Insights
When to book
10 weeks
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 13% compared to booking last minute.
Insights
Insights
When to travel
August
Cheapest • 14% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Istanbul (IST)
Cheapest • Avg $1,532 (round-trip)
Dubai Intl (DXB)
Shortest trip • 25h 14m (one-way)
Insights
Insights
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Flight Deals

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

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

Recent round-trip flight deals from Washington, D.C. to Kathmandu

Mon, Feb 1 - Sun, Feb 28
Multiple Airlines Logo
10:35 am - 6:35 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
45h 15m2 stops Dubai Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
1:45 pm - 8:35 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
29h 35m2 stops New Delhi Indira Gandhi Intl Dubai Intl
$1,258Multiple Airlines
Thu, Jan 28 - Sat, Feb 20
Multiple Airlines Logo
10:35 am - 12:40 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
39h 20m2 stops Dubai Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
8:00 am - 8:35 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
35h 20m2 stops New Delhi Indira Gandhi Intl Dubai Intl
$1,259Multiple Airlines
Tue, Feb 16 - Tue, Mar 16
Qatar Airways Logo
5:54 pm - 4:15 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
35h 36m2 stops Dallas/Fort Worth Doha Hamad Intl
Qatar Airways Logo
7:00 pm - 4:55 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
31h 40m1 stop Doha Hamad Intl
$1,286Qatar Airways
Tue, Feb 23 - Tue, Mar 16
Qatar Airways Logo
12:23 pm - 4:15 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
41h 07m2 stops Dallas/Fort Worth Doha Hamad Intl
Qatar Airways Logo
7:00 pm - 4:55 pmKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
31h 40m1 stop Doha Hamad Intl
$1,286Qatar Airways
Tue, Jan 12 - 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
$1,385Turkish Airlines
Tue, Jan 12 - Tue, Mar 2
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 - 11:45 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 45m1 stop Istanbul
$1,385Turkish Airlines
Wed, Apr 7 - Wed, Apr 28
Emirates Logo
10:55 am - 6:55 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
22h 15m1 stop Dubai Intl
Emirates Logo
7:55 pm - 8:40 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
22h 30m1 stop Dubai Intl
$1,468Emirates
Mon, Apr 26 - Sun, May 9
Emirates Logo
10:55 am - 6:55 pmIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
22h 15m1 stop Dubai Intl
Emirates Logo
12:35 am - 8:40 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
41h 50m1 stop Dubai Intl
$1,468Emirates
Wed, Dec 9 - Fri, Jan 1
Etihad Airways Logo
2:25 pm - 9:10 amIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
32h 00m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:55 am - 9:00 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 50m1 stop Abu Dhabi Zayed Intl
$2,841Etihad Airways
Thu, Dec 10 - Mon, Jan 4
Etihad Airways Logo
2:25 pm - 9:10 amIAD  Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan
32h 00m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:55 am - 9:00 amKTM  Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl
33h 50m1 stop Abu Dhabi Zayed Intl
$2,865Etihad Airways
Booking Insights

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

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

What is the cheapest Washington, D.C. to Kathmandu flight route?

Washington, D.C. Reagan-National Airport (DCA) to Kathmandu (KTM) is the cheapest Washington, D.C. to Kathmandu route, averaging $1,111 round-trip. Other Washington, D.C. to Kathmandu routes average $1,503, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Washington, D.C. to Kathmandu. It’s 6% cheaper than the average day, while Friday is the most expensive, with prices 5% higher.

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

•August is the cheapest month to fly from Washington, D.C. to Kathmandu at $1,292 round-trip.
•June ($1,889) and December ($1,764) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 46% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Washington, D.C. to Kathmandu are cheapest 10 weeks before departure. Booking in this window typically costs about 13% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Washington, D.C. to Kathmandu flights

Low season

February

Cheapest flight

$555
Beat the crowds with an average 32% drop in travelers.
The most popular month to fly with an average 34% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport to Kathmandu

When to book flights from Washington, D.C. to Kathmandu

Are your dates flexible? Find out the best times to travel from Washington, D.C. 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. to Kathmandu 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 Washington, D.C. to Kathmandu?

    Three cabin classes are available on flights from Washington, D.C. to Kathmandu:

    • Economy Class
    • Premium Economy Class
    • Business Class

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

    There are currently no nonstop flights available from Washington, D.C. to Kathmandu. Flights with 1 layover take between 25h 14m and 33h 46m in total, depending on the connection.

  • Do I need a passport to fly from Washington, D.C. 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 much should I expect to pay for a Washington, D.C. to Kathmandu flight?

    Round-trip flights from Washington, D.C. to Kathmandu range from $1,351 to $1,782, with an average of $1,501 over the past 12 months. Anything below $1,351 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 11% above the $1,501 route average. Book 10 weeks before departure for the lowest fares.

  • Have flight prices from Washington, D.C. to Kathmandu changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,258 to $12,067. That means the highest observed fare was about 10x higher than the lowest one.

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

    One-way fares from Washington, D.C. to Kathmandu are currently higher than usual. Average one-way flight prices are about $818, which is 7% above the typical average for this route.

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

    Flights from Washington, D.C. to Kathmandu may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Kathmandu Tribhuvan (KTM).

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

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

    • Doha Hamad Intl (DOH) - 64% of one-stop connections
    • Istanbul (IST) - 17% of one-stop connections
    • Dubai Intl (DXB) - 17% 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 Washington, D.C. to Kathmandu?

    Yes. Flexible dates can save you up to 11% on flights from Washington, D.C. to Kathmandu. Monday is the cheapest departure day at $1,419 round-trip on average, while Friday is the most expensive at $1,584, a difference of $165.

    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 Washington, D.C. to Kathmandu?

    Flying via Dubai Intl (DXB) gives the shortest average 1-stop total travel time at 25h 14m, compared with 25h 28m via Doha Hamad Intl (DOH) and 27h 16m via Istanbul (IST).

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

    Kathmandu is 10 hours ahead of Washington, D.C. (Nepal Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Kathmandu?

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

  • What means of public transportation can I use to get to Kathmandu from KTM?

    To travel from KTM to Kathmandu via public transport, you can board a bus if you want to travel affordably or a taxi if you want to travel quickly. Getting either a bus or a taxi is an easy task as daily, there are plenty stationed outside the airport’s Arrivals Hall.

  • Where can I exchange my cash at KTM?

    If you want to convert some of your cash to the local currency, you’ll be able to do so without struggle, as KTM features two currency exchange sites in its Arrivals Hall.

  • How early should I get to my preferred Washington DC airport on my travel date?

    On the date you’re set to fly from Washington DC to Kathmandu, you should purpose to get to your preferred Washington DC airport at least 2h before your flight. This will give you adequate time to go through the airport’s security checkpoints. In addition, it will give you adequate time to check out the airport’s points of interest.

  • How can I get assisted travel services on my flight from Washington DC to Kathmandu?

    Airlines that offer flights from Washington DC to Kathmandu require that passengers in need of special assistance services contact them at least 72h before their flights. This being the case, if you’re disabled, you can get the assisted travel services you desire, provided you contact the airline you intend to travel with at least 72h before your flight.

Your guide to booking Washington, D.C. 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 and avoid flying on Friday. On this route, Monday flights average $1,419, about $165 less than Friday fares (10% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 13% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. to Kathmandu trip for August. Fares historically average $1,292 round-trip in that month - typically $597 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 Everest Hotel Kathmandu
    • The Dwarika's
    • Vannasut Hotel and Spa
  • In Washington DC, you can board your flight to Kathmandu at Dulles International Airport (IAD), Baltimore Washington International Thurgood Marshall Airport (BWI), or Ronald Reagan Washington National Airport (DCA). When booking your flight, you should book one that departs at DCA. This is because apart from being the closest to Washington, it is easy to navigate, and has superb access to D.C.’s metro system.
  • If you want to pray or meditate privately before your flight from DCA, you're in luck because the airport has a chapel. The chapel is located on Concourse B's south end, opposite the Delta Airlines gates. The chapel is open to everyone and hosts clergy-led Protestant worship, Catholic masses, and Islamic prayers on a regular basis.
  • If you're traveling with a pet, you can let it relieve itself in one of DCA’s designated pet areas. The said areas are found near Door 1 in Terminal A, across from the South Metrorail Station entrance in Terminal B, and opposite the North Metrorail Station in Terminal C.
  • In Kathmandu, you’ll alight from your flight at Tribhuvan International Airport (KTM). If you’d like to catch your breath before leaving this airport, you can do so at its Executive Lounge. Located on the 2nd floor of the International Terminal, this lounge features comfortable seating, clean washrooms, hospitable staff, and a variety of snacks.
  • In case you need some information while at KTM, you should visit the airport’s information desk on the Landside, near the check-in counter. Alternatively, you can visit the tourist booth on the airport’s ground level.

More options for your flight from Washington, D.C. to Kathmandu

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