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

Flights via Doha (DOH) offer the fastest connection on this route, with an average layover time of 6h 27m.

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

Flights via Doha (DOH) have the shortest average one-way travel time for 1-stop routes: 25h 20m.

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

Dubai (DXB) is the most affordable 1-stop option, with an average round-trip price of $1,557.

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

Doha (DOH) – chosen by Cheapflights users on 83% of 1-stop itineraries from Kathmandu to Washington, D.C. Dulles Intl Airport on Cheapflights.

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

For as low as $1,262, Korean Air can have you in Washington, D.C. Dulles Intl Airport from Kathmandu in 25h 40m. 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 $480. Other airlines that can offer you cheap pricing are Air India, from $1,150, and Turkish Airlines, from $1,227. 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 $723 on Air India and Turkish Airlines, respectively.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular airlines that fly from Kathmandu to Washington, D.C. Dulles Intl Airport?

Consider Qatar Airways, Turkish Airlines or Emirates when booking your flight. These represent the most popular airlines when flying from Kathmandu to Washington, D.C. Dulles Intl Airport.

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.

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.

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.

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.

$539+ Flights from Kathmandu to Washington, D.C. Dulles Intl Airport

Q: 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 $1,430 and $1,471 in December. The cheapest round-trip price found within the last 3 days was $1,010 on IndiGo (Dec 22-Jan 31).

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Find cheap flights from Kathmandu to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl are usually found in May or January, booked 7 days in advance, depart on a Tuesday or Monday and return on a Monday

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 December 12, 2025.

Mon 12/221:15 pmKTM - IAD

2 stops40h 50mIndiGo

Sat 1/319:15 pmIAD - KTM

2 stops32h 10mIndiGo

Deal found 12/10

$1,010

Sun 12/2110:50 amKTM - IAD

2 stops43h 15mMultiple Airlines

Wed 4/223:35 pmIAD - KTM

2 stops21h 40mMultiple Airlines

Deal found 12/10

$1,052

Mon 12/225:10 pmKTM - IAD

2 stops36h 55mMultiple Airlines

Sat 1/312:35 pmIAD - KTM

1 stop31h 45mMultiple Airlines

Deal found 12/10

$1,068

Mon 12/225:10 pmKTM - IAD

2 stops36h 55mMultiple Airlines

Tue 4/213:35 pmIAD - KTM

1 stop32h 10mMultiple Airlines

Deal found 12/10

$1,074

Wed 12/101:15 pmKTM - IAD

2 stops40h 50mIndiGo

Wed 1/149:15 pmIAD - KTM

2 stops28h 15mIndiGo

Deal found 12/9

$1,093

Mon 12/2210:50 amKTM - IAD

2 stops43h 15mMultiple Airlines

Wed 8/123:35 pmIAD - KTM

2 stops21h 40mMultiple Airlines

Deal found 12/10

$1,096

Sun 12/1410:50 amKTM - IAD

2 stops43h 15mIndiGo

Mon 1/191:30 pmIAD - KTM

2 stops33h 35mIndiGo

Deal found 12/9

$1,118

Best flights from Kathmandu to Dulles Intl
Discover carefully curated flight deals from Kathmandu to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sat 3/287:20 pmKTM - IAD

1 stop25h 40mKorean Air

Thu 4/301:15 pmIAD - KTM

1 stop41h 50mKorean Air

Deal found 12/10

$1,262

Mon 2/95:10 pmKTM - IAD

2 stops36h 55mIndiGo

Tue 4/211:20 pmIAD - KTM

2 stops40h 35mIndiGo

Deal found 12/9

$1,293

Sun 2/85:10 pmKTM - IAD

2 stops33h 40mKLM

Wed 4/226:10 pmIAD - KTM

2 stops34h 10mKLM

Deal found 12/9

$1,312

Sun 2/812:35 pmKTM - IAD

1 stop33h 55mTurkish Airlines

Sun 4/191:20 pmIAD - KTM

1 stop31h 00mTurkish Airlines

Deal found 12/9

$1,329

Tue 12/235:10 pmKTM - IAD

2 stops26h 40mMultiple Airlines

Sun 1/42:35 pmIAD - KTM

1 stop31h 45mMultiple Airlines

Deal found 12/9

$1,337

Tue 12/237:20 pmKTM - IAD

1 stop25h 15mKorean Air

Sun 1/411:50 amIAD - KTM

1 stop43h 10mKorean Air

Deal found 12/9

$1,268

Fri 1/231:15 pmKTM - IAD

2 stops40h 50mIndiGo

Fri 1/309:15 pmIAD - KTM

2 stops25h 50mIndiGo

Deal found 12/9

$1,294

Mon 2/95:10 pmKTM - IAD

2 stops33h 40mKLM

Wed 4/226:10 pmIAD - KTM

2 stops34h 10mKLM

Deal found 12/9

$1,312

Tue 12/237:20 pmKTM - IAD

1 stop25h 15mKorean Air

Thu 1/811:50 amIAD - KTM

1 stop43h 10mKorean Air

Deal found 12/9

$1,268

Mon 2/95:10 pmKTM - IAD

2 stops33h 40mKLM

Mon 4/206:10 pmIAD - KTM

2 stops29h 55mKLM

Deal found 12/9

$1,312

Tue 2/107:20 pmKTM - IAD

1 stop25h 15mKorean Air

Thu 4/231:15 pmIAD - KTM

1 stop41h 50mKorean Air

Deal found 12/9

$1,344

Last-minute flights from Kathmandu to Dulles Intl
Discover last-minute flight deals from Kathmandu to Dulles Intl. Data last updated December 12, 2025 and is based on user searches.

Sun 12/1410:50 amKTM - IAD

2 stops43h 15mIndiGo

Mon 1/191:30 pmIAD - KTM

2 stops33h 35mIndiGo

Deal found 12/9

$1,118

Sun 12/2110:50 amKTM - IAD

2 stops43h 15mMultiple Airlines

Wed 4/223:35 pmIAD - KTM

2 stops21h 40mMultiple Airlines

Deal found 12/10

$1,052

Mon 12/221:15 pmKTM - IAD

2 stops40h 50mIndiGo

Sat 1/319:15 pmIAD - KTM

2 stops32h 10mIndiGo

Deal found 12/10

$1,010

Mon 12/225:10 pmKTM - IAD

2 stops36h 55mMultiple Airlines

Sat 1/312:35 pmIAD - KTM

1 stop31h 45mMultiple Airlines

Deal found 12/10

$1,068

Mon 12/225:10 pmKTM - IAD

2 stops36h 55mMultiple Airlines

Wed 8/123:35 pmIAD - KTM

1 stop32h 10mMultiple Airlines

Deal found 12/10

$1,074

One-way flights from Kathmandu to Dulles Intl
Search for one-way flight options from Kathmandu to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Sat 1/319:05 pmKTM - IAD

2 stops46h 45mMultiple Airlines

Deal found 12/11

$539

Mon 2/91:45 pmKTM - IAD

2 stops30h 05mMultiple Airlines

Deal found 12/9

$541

Wed 2/111:45 pmKTM - IAD

2 stops30h 05mMultiple Airlines

Deal found 12/9

$542

Mon 2/231:45 pmKTM - IAD

2 stops30h 05mMultiple Airlines

Deal found 12/11

$543

Tue 4/211:25 pmKTM - IAD

2 stops54h 05mMultiple Airlines

Deal found 12/8

$544

Thu 12/1810:50 amKTM - IAD

2 stops43h 15mIndiGo

Deal found 12/10

$545

Wed 12/1710:50 amKTM - IAD

2 stops33h 00mMultiple Airlines

Deal found 12/10

$547

Tue 12/165:10 pmKTM - IAD

2 stops33h 05mMultiple Airlines

Deal found 12/10

$549

Mon 12/225:10 pmKTM - IAD

2 stops36h 55mIndiGo

Deal found 12/10

$553

Sun 2/87:35 amKTM - IAD

2 stops36h 15mMultiple Airlines

Deal found 12/9

$558

Find flight deals from Kathmandu to Dulles Intl

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$1,010 (Booking.com)
One-way from	$539 (Kiwi.com)
Popular in	March
Cheapest in	May
Average price	$1,463

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 ($122 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sat 3/28

7:20 pm-11:15 am

1 stop25h 40m

Washington, D.C. Dulles Intl

Thu 4/30

1:15 pm-4:50 pm

1 stop41h 50m

$1,262

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 12/23

7:20 pm-9:50 am

1 stop25h 15m

Washington, D.C. Dulles Intl

Sun 1/4

11:50 am-5:45 pm

1 stop43h 10m

$1,268

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 12/23

7:20 pm-9:50 am

1 stop25h 15m

Washington, D.C. Dulles Intl

Thu 1/8

11:50 am-5:45 pm

1 stop43h 10m

$1,268

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 2/9

5:10 pm-7:20 pm

2 stops36h 55m

Washington, D.C. Dulles Intl

Tue 4/21

1:20 pm-3:40 pm

2 stops40h 35m

$1,293

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 1/23

1:15 pm-7:20 pm

2 stops40h 50m

Washington, D.C. Dulles Intl

Fri 1/30

9:15 pm-9:50 am

2 stops25h 50m

$1,294

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 2/8

5:10 pm-4:05 pm

2 stops33h 40m

Washington, D.C. Dulles Intl

Wed 4/22

6:10 pm-2:05 pm

2 stops34h 10m

$1,312

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 2/9

5:10 pm-4:05 pm

2 stops33h 40m

Washington, D.C. Dulles Intl

Wed 4/22

6:10 pm-2:05 pm

2 stops34h 10m

$1,312

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 2/9

5:10 pm-4:05 pm

2 stops33h 40m

Washington, D.C. Dulles Intl

Mon 4/20

6:10 pm-9:50 am

2 stops29h 55m

$1,312

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 2/8

12:35 pm-11:45 am

1 stop33h 55m

Washington, D.C. Dulles Intl

Sun 4/19

1:20 pm-6:05 am

1 stop31h 00m

$1,329

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 12/23

5:10 pm-9:05 am

2 stops26h 40m

Washington, D.C. Dulles Intl

Sun 1/4

2:35 pm-9:05 am

1 stop31h 45m

$1,337

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 results

Compare providers for flights from Kathmandu to Dulles Intl

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 December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
SmartFares	Price Accuracy1 star	Trust Score*1 star
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust 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

Prices

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 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 December is currently the most expensive (average of $1,353). 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 is the cheapest time of day to fly from KTM to IAD?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from Kathmandu to Washington, D.C. Dulles Intl Airport by exploring options for tickets at noon.

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 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.

Emirates

8.1

Very good

3,434 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

ATH - EWR

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

Emirates

8.1

Very good

3,434 reviews

Emirates

8.1

Very good

3,434 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

ATH - EWR

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

Qatar Airways

7.4

Good

3,677 reviews

Emirates

8.1

Very good

3,434 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

ATH - EWR

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

Turkish Airlines

7.3

Good

4,089 reviews

Emirates

8.1

Very good

3,434 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

ATH - EWR

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

IndiGo

6.8

Okay

505 reviews

Emirates

8.1

Very good

3,434 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

ATH - EWR

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

Air India

5.5

Fair

2,947 reviews

Emirates

8.1

Very good

3,434 reviews

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

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 $1,262, Korean Air can have you in Washington, D.C. Dulles Intl Airport from Kathmandu in 25h 40m. 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 $480. Other airlines that can offer you cheap pricing are Air India, from $1,150, and Turkish Airlines, from $1,227. 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 $723 on Air India and Turkish Airlines, 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, 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 December is currently the most expensive (average of $1,353). 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

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Top 5 airlines flying from Kathmandu to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
IndiGo	Cheapest$947	Average$1,206	FlexibilityNo cancel fee	On-time80%
Air India	Cheapest$1,150	Average$1,660	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$1,227	Average$1,315	FlexibilityNo cancel fee	On-time77%
Qatar Airways	Cheapest$1,323	Average$1,523	FlexibilityNo cancel fee	On-time68%
Emirates	Cheapest$1,508	Average$1,602	FlexibilityNo cancel fee	On-time75%

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$539+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kathmandu to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl are usually found in May or January, booked 7 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Kathmandu to Dulles Intl

Cheapest flights from Kathmandu to Dulles IntlExplore 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 December 12, 2025.

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 December 12, 2025.

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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.

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Best time to book a flight from Kathmandu to Dulles Intl

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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?

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

What is the cheapest time of day to fly from KTM to IAD?

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

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

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

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

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

Reviews of airlines servicing Dulles Intl

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.

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?

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

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

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

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?

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

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

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

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Alternative routes for Kathmandu to Dulles Intl

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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 December 12, 2025.