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Washington, D.C.

$660+ Cheap flights from Kathmandu (KTM) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — WAS
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
1 adult, Economy
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Cheap flight deals from Kathmandu to Washington, D.C.

Cheapest flights from Kathmandu to Washington, D.C.
Explore the most affordable flight options available from Kathmandu to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 27, 2026.

This Trip.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:40 pm
KTM
-
IAD
2 stops26h 50m
Multiple Airlines
Tue 9/83:10 pm
IAD
-
KTM
2 stops38h 45m
Multiple Airlines
Deal found 5/25$1,145
This Trip.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:50 am
KTM
-
IAD
2 stops32h 40m
Multiple Airlines
Tue 11/102:35 pm
IAD
-
KTM
2 stops38h 50m
Multiple Airlines
Deal found 5/24$1,158
This FlightHub deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:10 am
KTM
-
IAD
2 stops34h 15m
Multiple Airlines
Tue 9/810:55 am
IAD
-
KTM
2 stops45h 30m
Multiple Airlines
Deal found 5/25$1,168
This Trip.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:05 pm
KTM
-
IAD
2 stops29h 25m
Multiple Airlines
Sat 9/53:10 pm
IAD
-
KTM
2 stops36h 10m
Multiple Airlines
Deal found 5/26$1,183
This Trip.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:50 pm
KTM
-
IAD
2 stops46h 40m
Multiple Airlines
Tue 12/82:35 pm
IAD
-
KTM
2 stops38h 50m
Multiple Airlines
Deal found 5/23$1,198
This Trip.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/122:05 pm
KTM
-
IAD
2 stops28h 20m
Multiple Airlines
Sun 12/2710:30 am
IAD
-
KTM
2 stops39h 00m
Multiple Airlines
Deal found 5/26$1,202
This Trip.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/252:05 pm
KTM
-
IAD
2 stops28h 20m
Multiple Airlines
Thu 7/3010:55 am
IAD
-
KTM
2 stops23h 10m
Multiple Airlines
Deal found 5/25$1,212
This FlightHub deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:25 pm
KTM
-
IAD
2 stops53h 00m
Multiple Airlines
Mon 6/2910:55 am
IAD
-
KTM
2 stops45h 30m
Multiple Airlines
Deal found 5/25$1,216
This CheapOair deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:25 pm
KTM
-
IAD
2 stops29h 00m
Multiple Airlines
Thu 8/2010:55 am
IAD
-
KTM
2 stops40h 10m
Multiple Airlines
Deal found 5/26$1,227
This Ovago deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:25 pm
KTM
-
IAD
2 stops29h 00m
Multiple Airlines
Thu 8/2010:55 am
IAD
-
KTM
2 stops40h 10m
Multiple Airlines
Deal found 5/26$1,228
This Travelocity deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:50 pm
KTM
-
BWI
2 stops41h 23m
Multiple Airlines
Mon 2/226:11 pm
BWI
-
KTM
2 stops40h 54m
Multiple Airlines
Deal found 5/24$1,373
This Travelocity deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:50 pm
KTM
-
DCA
2 stops32h 54m
Multiple Airlines
Mon 2/229:30 am
DCA
-
KTM
2 stops49h 35m
Multiple Airlines
Deal found 5/24$1,384

Find flight deals from Kathmandu to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,158
(Trip.com)

One-way from

$660
(Trip.com)

Popular in

August

Cheapest in

December

Average price

$1,590
Provider with most accurate pricing for Kathmandu Tribhuvan-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Washington, D.C. (WAS) flights.
Search Deals
From Kathmandu Tribhuvan to Washington, D.C. (WAS)
Search Deals
One-way flight from Kathmandu Tribhuvan to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 27, 2026.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 6/14

3:30 pm-6:20 pm

1 stop36h 35m

Washington, D.C. Dulles Intl

Sat 6/27

9:00 pm-8:50 am

1 stop26h 05m

$1,312

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 6/8

10:05 am-4:40 pm

1 stop40h 20m

Washington, D.C. Dulles Intl

Tue 10/6

9:00 pm-5:30 pm

1 stop34h 45m

$1,318

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Wed 9/9

10:50 pm-6:28 am

2 stops41h 23m

Baltimore/Washington

Mon 2/22

6:11 pm-9:50 pm

2 stops40h 54m

$1,373

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 9/9

10:50 pm-9:59 pm

2 stops32h 54m

Washington, D.C. Reagan-National

Mon 2/22

9:30 am-9:50 pm

2 stops49h 35m

$1,384

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Mon 9/21

11:10 pm-9:59 pm

2 stops32h 34m

Washington, D.C. Reagan-National

Mon 1/25

9:30 am-9:50 pm

2 stops49h 35m

$1,398

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 9/20

8:00 am-11:35 am

1 stop37h 20m

Washington, D.C. Dulles Intl

Sun 1/24

1:30 pm-11:20 am

1 stop35h 05m

$1,531

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 9/24

8:00 am-11:35 am

1 stop37h 20m

Washington, D.C. Dulles Intl

Sat 1/23

9:20 pm-11:20 am

1 stop27h 15m

$1,541

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 10/9

8:00 am-11:35 am

1 stop37h 20m

Washington, D.C. Dulles Intl

Fri 2/5

9:20 pm-11:20 am

1 stop27h 15m

$1,541
Quickest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 8/26

6:00 pm-8:45 am

1 stop24h 30m

Washington, D.C. Dulles Intl

Thu 9/24

9:00 pm-9:50 am

1 stop27h 05m

$1,544

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 6/7

9:05 am-8:40 am

1 stop33h 20m

Washington, D.C. Dulles Intl

Fri 12/11

10:30 am-8:20 am

1 stop35h 05m

$1,556

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 58 resultsSorted by cheapest first
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Compare providers for flights from Kathmandu to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kathmandu to Washington, D.C. in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kathmandu-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kathmandu-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kathmandu to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Kathmandu with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Washington, D.C.

What is the cheapest month to book a flight from Kathmandu to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. (average of $409). Flying from Kathmandu to Washington, D.C. in January is currently the most expensive (average of $1,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What’s the top layover airport for flights from Kathmandu to Washington, D.C.?

Share of 1-stop round-trip flights from Kathmandu to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.

Doha (DOH) – chosen by Cheapflights users on 85% of 1-stop itineraries from Kathmandu to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from Kathmandu to Washington, D.C.?

Average round-trip fare for 1-stop flights from Kathmandu to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.

Dubai (DXB) is the most affordable 1-stop option, with an average round-trip price of $1,543.

What’s the fastest layover option from Kathmandu to Washington, D.C.?

Shortest average travel time for 1-stop one-way flights from Kathmandu to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Doha (DOH) have the shortest average one-way travel time for 1-stop routes: 25h 27m.

Which airport typically offers the quickest layover for flights from Kathmandu to Washington, D.C.?

Average layover duration for 1-stop one-way flights from Kathmandu to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Doha (DOH) offer the fastest connection on this route, with an average layover time of 6h 41m.

How far ahead should I book a flight from Kathmandu to Washington, D.C.?

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kathmandu to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated May 27, 2026.
See what other customers who have flown with Qatar Airways and Turkish Airlines from Kathmandu to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,726 reviews

Entertainment

7.3

Overall

7.4

Crew

7.9

Food

7.3

Boarding

7.5

Comfort

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Qatar Airways
7.4
Good
3,726 reviews
Qatar Airways
7.4
Good
3,726 reviews

Entertainment

7.3

Overall

7.4

Crew

7.9

Food

7.3

Boarding

7.5

Comfort

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Turkish Airlines
7.4
Good
4,396 reviews
Qatar Airways
7.4
Good
3,726 reviews

Entertainment

7.3

Overall

7.4

Crew

7.9

Food

7.3

Boarding

7.5

Comfort

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kathmandu to Washington, D.C.?

    Located just 2.5 mi from the city center, Kathmandu Tribhuvan is the airport most travelers will use when flying to Washington, D.C. from Kathmandu. Booking flights from Tribhuvan (KTM) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 4 different airlines.

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

    Airlines like Qatar Airways, Turkish Airlines, and Singapore Airlines fly from Kathmandu to Washington, D.C. in about 37h 20m. The time it takes to get you to your destination can typically vary by up to 4h 21m. Airlines will cover a distance of 7695 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Kathmandu to Washington, D.C. round-trip?

    Our cheapest airline available from Kathmandu to Washington, D.C. is Air India. Our recent data shows that you can find tickets from as low as $1,150 on this airline. Additional options worth looking into are Qatar Airways and Turkish Airlines, starting at $1,241 and $1,281 round-trip. These flights start at 23% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Kathmandu to Washington, D.C. one-way?

    The cheapest airlines for a one-way flight from Kathmandu to Washington, D.C. are IndiGo ($512), Air India ($573), and Air China ($594).

  • What are the most popular routes from Kathmandu to Washington, D.C.?

    While some choose either Kathmandu Tribhuvan - Baltimore/Washington or Kathmandu Tribhuvan - Washington, D.C. Reagan-National, Kathmandu Tribhuvan - Washington, D.C. Dulles Intl is the most popular route from Kathmandu to Washington, D.C..

  • Where are the most common layover locations when flying from Kathmandu to Washington, D.C.?

    The most popular layover on flights from Kathmandu to Washington, D.C. is Doha.

  • Where are the least popular layover locations for Kathmandu to Washington, D.C. flights?

    Kathmandu to Washington, D.C. flights that have layovers will least frequently stop in Istanbul.

  • Can I find deals for flights from Kathmandu to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Washington, D.C..

  • Can I find deals for business class flights from Kathmandu to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Kathmandu to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. (average of $409). Flying from Kathmandu to Washington, D.C. in January is currently the most expensive (average of $1,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Herndon
Fredericksburg
Rockville
Hyattsville
Manassas
Hanover
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley
Woodbridge

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Alternative routes for Kathmandu to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Kathmandu to Dulles Intl flights

Top 4 airlines flying from Kathmandu to Washington, D.C.

Discover the top 4 airlines that operate flights from Kathmandu to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$1,150Average$1,600FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,241Average$1,522FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,281Average$1,486FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,482Average$1,554FlexibilityNo cancel feeOn-time75%

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