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Dulles Intl

$617+ Cheap flights from Kathmandu (KTM) to Dulles Intl (IAD)

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — IAD
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find cheap flights from Kathmandu to Dulles Intl with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Kathmandu to Dulles Intl

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

This Ovago deal was found by Cheapflights users on 7/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:05 am
KTM
-
IAD
2 stops33h 25m
Multiple Airlines
Sat 10/33:10 pm
IAD
-
KTM
2 stops29h 40m
Multiple Airlines
Deal found 7/25$1,229
This Mytrip deal was found by Cheapflights users on 7/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:35 am
KTM
-
IAD
2 stops59h 55m
Multiple Airlines
Tue 9/153:10 pm
IAD
-
KTM
2 stops43h 15m
Multiple Airlines
Deal found 7/25$1,234
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:40 pm
KTM
-
IAD
2 stops52h 50m
Multiple Airlines
Wed 9/163:10 pm
IAD
-
KTM
2 stops47h 10m
Multiple Airlines
Deal found 7/27$1,261
This Qatar Airways deal was found by Cheapflights users on 7/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:05 am
KTM
-
IAD
1 stop39h 20m
Qatar Airways
Wed 9/169:00 pm
IAD
-
KTM
1 stop26h 05m
Qatar Airways
Deal found 7/27$1,269
This Qatar Airways deal was found by Cheapflights users on 7/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:05 am
KTM
-
IAD
1 stop39h 20m
Qatar Airways
Tue 9/159:00 pm
IAD
-
KTM
1 stop34h 00m
Qatar Airways
Deal found 7/25$1,272
This SmartFares deal was found by Cheapflights users on 7/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:25 pm
KTM
-
IAD
2 stops29h 00m
Multiple Airlines
Mon 1/1810:30 am
IAD
-
KTM
2 stops45h 20m
Multiple Airlines
Deal found 7/25$1,284
This oojo deal was found by Cheapflights users on 7/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:45 pm
KTM
-
IAD
1 stop30h 40m
Qatar Airways
Wed 2/1010:50 am
IAD
-
KTM
1 stop18h 50m
Qatar Airways
Deal found 7/22$1,292
This FlightHub deal was found by Cheapflights users on 7/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:55 am
KTM
-
IAD
2 stops41h 20m
Air China
Fri 11/610:00 pm
IAD
-
KTM
2 stops50h 10m
Air China
Deal found 7/23$1,293
This Justfly.com deal was found by Cheapflights users on 7/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:10 am
KTM
-
IAD
2 stops34h 15m
Multiple Airlines
Sat 11/710:30 am
IAD
-
KTM
2 stops45h 20m
Multiple Airlines
Deal found 7/23$1,296
This Qatar Airways deal was found by Cheapflights users on 7/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:05 am
KTM
-
IAD
1 stop39h 20m
Multiple Airlines
Sat 9/129:00 pm
IAD
-
KTM
1 stop26h 05m
Multiple Airlines
Deal found 7/23$1,299
This Qatar Airways deal was found by Cheapflights users on 7/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 pm
KTM
-
IAD
1 stop31h 25m
Multiple Airlines
Mon 10/59:00 pm
IAD
-
KTM
1 stop31h 30m
Multiple Airlines
Deal found 7/25$1,300
This Qatar Airways deal was found by Cheapflights users on 7/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:05 am
KTM
-
IAD
1 stop39h 20m
Multiple Airlines
Thu 11/58:05 pm
IAD
-
KTM
1 stop34h 40m
Multiple Airlines
Deal found 7/23$1,302

Find flight deals from Kathmandu to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Dulles Intl (IAD). 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,229
(Ovago)

One-way from

$617
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,538
Provider with most accurate pricing for Kathmandu Tribhuvan-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Washington, D.C. Dulles Intl flights.
Search Deals
From Kathmandu Tribhuvan to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Dulles Intl 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 July 27, 2026.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 9/8

10:05 am-3:40 pm

1 stop39h 20m

Washington, D.C. Dulles Intl

Tue 9/15

9:00 pm-4:45 pm

1 stop34h 00m

$1,272

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 9/4

6:00 pm-3:40 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Mon 10/5

9:00 pm-2:15 pm

1 stop31h 30m

$1,300

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 8/24

3:30 pm-8:45 am

1 stop27h 00m

Washington, D.C. Dulles Intl

Mon 11/16

8:05 pm-9:50 am

1 stop27h 00m

$1,383

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 9/16

10:05 am-3:40 pm

1 stop39h 20m

Washington, D.C. Dulles Intl

Thu 10/15

9:00 pm-5:30 pm

1 stop34h 45m

$1,386

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 8/25

3:30 pm-3:40 pm

1 stop33h 55m

Washington, D.C. Dulles Intl

Tue 9/1

9:00 pm-2:15 pm

1 stop31h 30m

$1,453

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sat 10/17

7:20 pm-11:05 am

1 stop25h 30m

Washington, D.C. Dulles Intl

Sun 11/8

11:50 am-5:45 pm

1 stop43h 10m

$1,468

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 10/23

3:35 pm-8:40 am

1 stop26h 50m

Washington, D.C. Dulles Intl

Mon 2/22

10:30 am-8:20 am

1 stop35h 05m

$1,563

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 10/19

3:35 pm-8:40 am

1 stop26h 50m

Washington, D.C. Dulles Intl

Sat 11/7

10:30 am-11:45 pm

1 stop26h 30m

$1,565
Quickest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 10/15

7:55 pm-8:40 am

1 stop22h 30m

Washington, D.C. Dulles Intl

Mon 11/9

10:30 am-11:45 pm

1 stop26h 30m

$1,565

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 10/15

9:05 am-8:40 am

1 stop33h 20m

Washington, D.C. Dulles Intl

Thu 11/5

10:30 am-11:45 pm

1 stop26h 30m

$1,565

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Kathmandu to Dulles Intl

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 Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
ExpediaPrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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. Dulles Intl Airport 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. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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 Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

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

The price you pay for your flight from Kathmandu to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 21 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. Dulles Intl Airport (average of $1,297). Flying from Kathmandu to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $1,733). 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.

How much does it cost to fly round-trip from Kathmandu to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Kathmandu to Washington, D.C. Dulles Intl Airport flights typically cost between $1,546 and $1,911 in September.
The cheapest round-trip price found within the last 5 days was $1,229 on Multiple Airlines (Sep 10-Oct 3).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated July 27, 2026.
Get a feel of what it's like to fly with Emirates,Turkish Airlines, andQatar Airways from Kathmandu to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,636 reviews

Entertainment

8.2

Food

7.9

Crew

8.4

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

DXB - SEA

It wasn’t the same Emirates like years back in 2015 I had the experience. Unfortunately it’s been changed to the worst.
Emirates
8.1
Very good
3,636 reviews
Emirates
8.1
Very good
3,636 reviews

Entertainment

8.2

Food

7.9

Crew

8.4

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

DXB - SEA

It wasn’t the same Emirates like years back in 2015 I had the experience. Unfortunately it’s been changed to the worst.
Turkish Airlines
7.4
Good
4,452 reviews
Emirates
8.1
Very good
3,636 reviews

Entertainment

8.2

Food

7.9

Crew

8.4

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

DXB - SEA

It wasn’t the same Emirates like years back in 2015 I had the experience. Unfortunately it’s been changed to the worst.
Qatar Airways
7.3
Good
3,743 reviews
Emirates
8.1
Very good
3,636 reviews

Entertainment

8.2

Food

7.9

Crew

8.4

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

DXB - SEA

It wasn’t the same Emirates like years back in 2015 I had the experience. Unfortunately it’s been changed to the worst.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Dulles Intl. 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. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Kathmandu, you will be flying from Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 2.5 mi from the center of Kathmandu. There are 0 flights from Tribhuvan to Washington, D.C. Dulles Intl per day from 3 different airlines.

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

    For as low as $1,468, Qatar Airways can have you in Washington, D.C. Dulles Intl Airport from Kathmandu in 25h 30m. The distance between Kathmandu and Washington, D.C. Dulles Intl Airport is about 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. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Kathmandu to Washington, D.C. Dulles Intl Airport round-trip from $1,241. Other airlines that can offer you cheap pricing are Turkish Airlines, from $1,281, and Emirates, from $1,437. Qatar Airways is priced at 17% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $456. Users have also found prices from $486 and $573 on Etihad Airways and Air India, respectively.

  • Can I find deals for flights from Kathmandu to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Dulles Intl?

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

  • Can I find deals for business class flights from Kathmandu to Dulles Intl?

    Yes. Cheapflights offers flight deals from Kathmandu to Dulles Intl 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. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. Dulles Intl Airport (average of $1,297). Flying from Kathmandu to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $1,733). 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. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Hunt Valley
Cordova
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kathmandu to Dulles Intl

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

Top 3 airlines flying from Kathmandu to Dulles Intl

Discover the top 3 airlines that operate flights from Kathmandu to Dulles Intl. 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,241Average$1,482FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,281Average$1,611FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,437Average$1,551FlexibilityNo cancel feeOn-time75%

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