Dulles Intl

$537+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — IAD
Feb 25 — Mar 41
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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 January 26, 2026.

This Mytrip deal was found by Cheapflights users on 1/25. 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.
Wed 2/45:30 pm
KTM
-
IAD
2 stops26h 20m
Multiple Airlines
Tue 3/32:35 pm
IAD
-
KTM
2 stops22h 55m
Multiple Airlines
Deal found 1/25$939
This Mytrip deal was found by Cheapflights users on 1/25. 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.
Sun 2/222:45 pm
KTM
-
IAD
2 stops29h 05m
Multiple Airlines
Sun 3/12:35 pm
IAD
-
KTM
2 stops22h 55m
Multiple Airlines
Deal found 1/25$1,034
This Gotogate deal was found by Cheapflights users on 1/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:20 am
KTM
-
IAD
3 stops33h 25m
Multiple Airlines
Wed 3/48:50 pm
IAD
-
KTM
3 stops32h 50m
Multiple Airlines
Deal found 1/26$1,149
This Gotogate deal was found by Cheapflights users on 1/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/311:45 pm
KTM
-
IAD
2 stops53h 10m
Multiple Airlines
Wed 2/182:35 pm
IAD
-
KTM
1 stop31h 45m
Multiple Airlines
Deal found 1/26$1,203
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Sun 2/227:05 pm
KTM
-
IAD
1 stop31h 35m
Qatar Airways
Sun 3/110:40 am
IAD
-
KTM
1 stop20h 25m
Qatar Airways
Deal found 1/25$1,209
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Wed 2/49:10 am
KTM
-
IAD
1 stop41h 30m
Qatar Airways
Tue 3/38:05 pm
IAD
-
KTM
1 stop25h 05m
Qatar Airways
Deal found 1/25$1,211

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 January 26, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,034
(Mytrip)

One-way from

$537
(Kiwi.com)

Popular in

August

Cheapest in

May

Average price

$1,476
Provider with most accurate pricing for Kathmandu Tribhuvan-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Washington, D.C. Dulles Intl flights.
From Kathmandu Tribhuvan to Washington, D.C. Dulles Intl
One-way flight from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 2% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 26, 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

Kathmandu

Fly to

Dulles Intl

Route

Depart

Return

Price

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 2/22

1:45 pm-8:10 am

2 stops29h 10m

Washington, D.C. Dulles Intl

Sun 3/1

10:30 am-9:40 am

1 stop36h 25m

$1,172

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 2/22

7:05 pm-3:55 pm

1 stop31h 35m

Washington, D.C. Dulles Intl

Sun 3/1

10:40 am-5:50 pm

1 stop20h 25m

$1,209

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 2/25

5:40 pm-3:55 pm

1 stop33h 00m

Washington, D.C. Dulles Intl

Wed 3/4

10:40 am-4:25 pm

1 stop19h 00m

$1,211

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 2/25

1:45 pm-8:10 am

2 stops53h 10m

Washington, D.C. Dulles Intl

Wed 3/4

10:30 am-9:40 am

1 stop36h 25m

$1,218

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 6/17

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Thu 12/10

10:30 am-12:15 am

2 stops27h 00m

$1,387

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 4/28

1:25 pm-8:40 am

2 stops53h 00m

Washington, D.C. Dulles Intl

Tue 6/30

10:55 am-8:00 am

1 stop35h 20m

$1,403

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 5/8

9:00 am-8:40 am

1 stop33h 25m

Washington, D.C. Dulles Intl

Sat 5/16

10:55 am-9:45 am

1 stop37h 05m

$1,427

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 4/28

7:40 am-11:35 am

1 stop37h 40m

Washington, D.C. Dulles Intl

Tue 6/30

1:20 pm-6:15 am

1 stop31h 10m

$1,510

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 3/2

5:10 pm-9:05 am

2 stops50h 40m

$537

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 3/4

2:00 pm-9:05 am

2 stops29h 50m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 16 results
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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust 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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Kathmandu-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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?

Use this chart to determine the optimal time to book a round-trip flight from Kathmandu to Dulles Intl. Price data was last updated on January 23, 2026.

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 7 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, July is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. Dulles Intl Airport (average of $1,081). Flying from Kathmandu to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $1,356). 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.

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 January 26, 2026.
Get a feel of what it's like to fly with Emirates, Qatar Airways, and Turkish 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.

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Overall

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Overall

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Overall

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Overall

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Overall

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Overall

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

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 5 different airlines.

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

    For as low as $1,209, Qatar Airways can have you in Washington, D.C. Dulles Intl Airport from Kathmandu in 31h 35m. 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 $480. Other airlines that can offer you cheap pricing are Air India, from $1,150, and Turkish Airlines, from $1,248. IndiGo is priced at 68% 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 $595 and $741 on Air India and Qatar Airways, respectively.

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

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

  • 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, July is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. Dulles Intl Airport (average of $1,081). Flying from Kathmandu to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $1,356). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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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.

Top 5 airlines flying from Kathmandu to Dulles Intl

Discover the top 5 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
IndiGoCheapest$480Average$1,206FlexibilityNo cancel feeOn-time80%
Air IndiaCheapest$1,150Average$1,617FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$1,248Average$1,370FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,316Average$1,534FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,482Average$1,605FlexibilityNo cancel feeOn-time75%

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