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Dulles Intl

$668+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — IAD
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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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 April 23, 2026.

This FlightHub deal was found by Cheapflights users on 4/20. 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 5/71:25 pm
KTM
-
IAD
2 stops29h 00m
Multiple Airlines
Wed 6/1010:55 am
IAD
-
KTM
2 stops45h 30m
Multiple Airlines
Deal found 4/20$1,145
This FlightHub deal was found by Cheapflights users on 4/21. 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 5/198:10 am
KTM
-
IAD
2 stops34h 15m
Multiple Airlines
Tue 5/2610:55 am
IAD
-
KTM
2 stops40h 10m
Multiple Airlines
Deal found 4/21$1,147
This SmartFares deal was found by Cheapflights users on 4/19. 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.
Thu 5/211:25 pm
KTM
-
IAD
2 stops29h 00m
Multiple Airlines
Sun 5/2410:55 am
IAD
-
KTM
2 stops45h 30m
Multiple Airlines
Deal found 4/19$1,172
This CheapOair deal was found by Cheapflights users on 4/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/71:25 pm
KTM
-
IAD
2 stops29h 00m
Multiple Airlines
Sun 6/1410:55 am
IAD
-
KTM
2 stops45h 30m
Multiple Airlines
Deal found 4/23$1,206
This Trip.com deal was found by Cheapflights users on 4/20. 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.
Tue 5/1210:50 am
KTM
-
IAD
2 stops31h 35m
Multiple Airlines
Wed 5/2710:55 am
IAD
-
KTM
2 stops23h 10m
Multiple Airlines
Deal found 4/20$1,207
This BusinessClass deal was found by Cheapflights users on 4/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:10 am
KTM
-
IAD
2 stops34h 15m
Multiple Airlines
Thu 5/2810:55 am
IAD
-
KTM
1 stop37h 05m
Multiple Airlines
Deal found 4/20$1,218
This Trip.com deal was found by Cheapflights users on 4/20. 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 7/2310:50 am
KTM
-
IAD
2 stops31h 35m
Multiple Airlines
Mon 8/3110:55 am
IAD
-
KTM
2 stops23h 10m
Multiple Airlines
Deal found 4/20$1,224
This Ovago deal was found by Cheapflights users on 4/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:25 pm
KTM
-
IAD
2 stops29h 00m
Multiple Airlines
Sat 6/1310:55 am
IAD
-
KTM
2 stops45h 30m
Multiple Airlines
Deal found 4/22$1,242
This Qatar Airways deal was found by Cheapflights users on 4/23. 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.
Tue 5/127:10 pm
KTM
-
IAD
1 stop32h 45m
Multiple Airlines
Wed 9/29:00 pm
IAD
-
KTM
1 stop26h 05m
Multiple Airlines
Deal found 4/23$1,259

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,145
(FlightHub)

One-way from

$668
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$1,645
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. 4% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 23, 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 5/19

8:10 am-8:40 am

2 stops34h 15m

Washington, D.C. Dulles Intl

Tue 5/26

10:55 am-12:50 pm

2 stops40h 10m

$1,147

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 5/28

7:10 pm-6:10 pm

1 stop32h 45m

Washington, D.C. Dulles Intl

Wed 10/28

11:40 am-5:30 pm

1 stop20h 05m

$1,259

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 5/12

7:10 pm-6:20 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Wed 5/27

9:00 pm-8:40 am

1 stop25h 55m

$1,329

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 5/21

7:10 pm-6:20 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Sun 5/24

9:00 pm-8:40 am

1 stop25h 55m

$1,340

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 6/22

1:25 pm-8:40 am

2 stops53h 00m

Washington, D.C. Dulles Intl

Sat 8/22

10:55 am-11:00 pm

2 stops26h 20m

$1,347
Quickest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 5/15

7:10 pm-6:10 pm

1 stop32h 45m

Washington, D.C. Dulles Intl

Sat 7/18

11:05 am-4:45 pm

1 stop19h 55m

$1,400

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 6/7

7:10 pm-6:20 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Sun 6/14

9:00 pm-8:50 am

1 stop26h 05m

$1,407

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 5/21

7:10 pm-6:20 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Fri 6/26

9:00 pm-8:50 am

1 stop26h 05m

$1,424

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 6/22

7:40 am-11:35 am

1 stop37h 40m

Washington, D.C. Dulles Intl

Sat 8/22

1:20 pm-6:15 am

1 stop31h 10m

$1,470

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 5/7

7:10 pm-6:20 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Wed 6/10

9:00 pm-8:40 am

1 stop25h 55m

$1,486

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
BudgetAirPrice 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 85 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 $1,708). 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?

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 April 23, 2026.
Get a feel of what it's like to fly with Emirates,Qatar Airways, andTurkish Airlines 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
3,560 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DXB - MIA

Flight was cancelled due to the war in the Gulf
Emirates
8.1
Very good
3,560 reviews
Emirates
8.1
Very good
3,560 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DXB - MIA

Flight was cancelled due to the war in the Gulf
Qatar Airways
7.4
Good
3,729 reviews
Emirates
8.1
Very good
3,560 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DXB - MIA

Flight was cancelled due to the war in the Gulf
Turkish Airlines
7.4
Good
4,326 reviews
Emirates
8.1
Very good
3,560 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DXB - MIA

Flight was cancelled due to the war in the Gulf
Air India
5.5
Fair
2,967 reviews
Emirates
8.1
Very good
3,560 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DXB - MIA

Flight was cancelled due to the war in the Gulf

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 4 different airlines.

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

    For as low as $1,329, Qatar Airways can have you in Washington, D.C. Dulles Intl Airport from Kathmandu in 32h 55m. The distance between Kathmandu and Washington, D.C. Dulles Intl Airport is about 7695 mi.

  • 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 $1,150. Other airlines that can offer you cheap pricing are Qatar Airways, from $1,269, and Turkish Airlines, from $1,281. Air India is priced at 23% 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 $512. Users have also found prices from $573 and $594 on Air India and Air China, respectively.

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

    Of the flights from Kathmandu to Washington, D.C. Dulles Intl Airport that have layovers, most of them stop in Doha.

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

    The least popular layover on flights from Kathmandu to Washington, D.C. Dulles Intl Airport is Istanbul.

  • 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 $1,708). 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
Tysons
Owings Mills
Springfield
Arlington
Woodbridge
Silver Spring
Herndon
Rockville
Hyattsville
Fredericksburg
Hanover
Laurel
Manassas
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Hunt Valley

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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 4 airlines flying from Kathmandu to Dulles Intl

Discover the top 4 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$1,150Average$1,600FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,269Average$1,520FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,281Average$1,370FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,482Average$1,554FlexibilityNo cancel feeOn-time75%

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