Which layover airport has the shortest travel time from Kathmandu to Washington, D.C. Dulles Intl Airport?

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 23h 46m.

Which layover airport offers the lowest fares from Kathmandu to Washington, D.C. Dulles Intl Airport?

Flights via Doha (DOH) offer the lowest average round-trip price of $1,440.

What is the cheapest airline that flies from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl?

Qatar Airways is the most popular carrier operating from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

Qatar Airways, Turkish Airlines and Emirates are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Kathmandu according to our data. Qatar Airways is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Kathmandu to Washington, D.C. Dulles Intl Airport?

Dubai (DXB) has the shortest average layover time for this route: 4h 58m.

Which airport is the most popular layover for flights between Kathmandu and Washington, D.C. Dulles Intl Airport?

Doha (DOH) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport?

Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport are updated daily.

How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport?

As of February 2026, there are 5 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$540 Cheap Flights from Kathmandu to Washington, D.C. Dulles Intl Airport in 2026

Q: What is the typical price of a round-trip flight between Kathmandu and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $1,290 to $1,732. The lowest price recently found on this route was $932.

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One-way

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Enter your travel dates to find the best prices.

10:50 am - 9:45 am

KTM

IAD

32h 40m

2 stops

3:10 pm - 9:50 am

IAD

KTM

32h 55m

2 stops

$932Multiple Airlines

Thu, Apr 23 - Wed, May 6

4:40 pm - 8:40 am

KTM

IAD

25h 45m

2 stops

10:55 am - 3:40 pm

IAD

KTM

43h 00m

2 stops

$1,119Multiple Airlines

Sun, Apr 12 - Sun, Apr 19

1:45 pm - 9:00 am

KTM

IAD

53h 00m

2 stops

10:55 am - 6:10 pm

IAD

KTM

45h 30m

2 stops

$1,158Multiple Airlines

Mon, Mar 23 - Mon, Mar 30

1:45 pm - 9:00 am

KTM

IAD

29h 00m

2 stops

10:55 am - 6:10 pm

IAD

KTM

45h 30m

2 stops

$1,159Multiple Airlines

Wed, Mar 25 - Wed, Apr 1

5:10 pm - 8:40 am

KTM

IAD

25h 15m

2 stops

10:55 am - 9:50 am

IAD

KTM

37h 10m

2 stops

$1,160Multiple Airlines

Sat, Mar 28 - Sat, Apr 4

2:30 pm - 10:05 am

KTM

IAD

29h 20m

2 stops

3:10 pm - 9:30 am

IAD

KTM

32h 35m

1 stop

$1,175Multiple Airlines

Mon, Mar 23 - Mon, Mar 30

1:45 pm - 9:00 am

KTM

IAD

29h 00m

2 stops

10:55 am - 9:45 am

IAD

KTM

37h 05m

1 stop

$1,198Multiple Airlines

Thu, Mar 26 - Thu, Apr 2

1:25 pm - 8:40 am

KTM

IAD

53h 00m

2 stops

10:55 am - 9:45 am

IAD

KTM

37h 05m

1 stop

$1,206Multiple Airlines

Sun, Apr 12 - Sun, Apr 19

2:55 pm - 9:45 am

KTM

IAD

28h 35m

2 stops

3:10 pm - 8:55 am

IAD

KTM

32h 00m

3 stops

$1,212Multiple Airlines

Thu, Apr 23 - Wed, May 6

10:55 am - 8:40 am

KTM

IAD

31h 30m

1 stop

11:00 am - 5:00 pm

IAD

KTM

20h 15m

1 stop

$1,218Multiple Airlines

Thu, Apr 23 - Wed, May 6

Qatar Airways flights from Kathmandu to Washington, D.C. Dulles Intl Airport

Our best Qatar Airways deals on Kathmandu to Washington, D.C. Dulles Intl Airport flight tickets

Qatar Airways

Apr 23

KTM10:55 amKathmandu Tribhuvan

38h 55m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

May 6

IAD8:20 pmWashington, D.C. Dulles Intl

34h 55m

1 stop

KTM5:00 pmKathmandu Tribhuvan

$1,232

Qatar Airways

May 23

KTM6:15 pmKathmandu Tribhuvan

31h 35m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Aug 22

IAD9:00 pmWashington, D.C. Dulles Intl

26h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

$1,239

Qatar Airways

May 1

KTM10:55 amKathmandu Tribhuvan

31h 30m

1 stop

IAD8:40 amWashington, D.C. Dulles Intl

Oct 26

IAD8:05 pmWashington, D.C. Dulles Intl

35h 40m

1 stop

KTM5:30 pmKathmandu Tribhuvan

$1,243

Turkish Airlines flights from Kathmandu to Washington, D.C. Dulles Intl Airport

Our best Turkish Airlines deals on Kathmandu to Washington, D.C. Dulles Intl Airport flight tickets

Turkish Airlines

Mar 7

KTM12:45 pmKathmandu Tribhuvan

41h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Mar 21

IAD10:15 pmWashington, D.C. Dulles Intl

27h 20m

1 stop

KTM11:20 amKathmandu Tribhuvan

$1,315

Turkish Airlines

Mar 5

KTM12:45 pmKathmandu Tribhuvan

33h 45m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

Mar 24

IAD2:30 pmWashington, D.C. Dulles Intl

35h 05m

1 stop

KTM11:20 amKathmandu Tribhuvan

$1,328

Turkish Airlines

Mar 7

KTM12:45 pmKathmandu Tribhuvan

41h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Mar 22

IAD10:15 pmWashington, D.C. Dulles Intl

27h 20m

1 stop

KTM11:20 amKathmandu Tribhuvan

$1,354

momondo 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

Thu 4/23

10:50 am-9:45 am

2 stops32h 40m

Washington, D.C. Dulles Intl

Wed 5/6

3:10 pm-9:50 am

2 stops32h 55m

$932

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 4/12

4:40 pm-8:40 am

2 stops25h 45m

Washington, D.C. Dulles Intl

Sun 4/19

10:55 am-3:40 pm

2 stops43h 00m

$1,119

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 3/23

1:45 pm-9:00 am

2 stops53h 00m

Washington, D.C. Dulles Intl

Mon 3/30

10:55 am-6:10 pm

2 stops45h 30m

$1,158

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 3/25

1:45 pm-9:00 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Wed 4/1

10:55 am-6:10 pm

2 stops45h 30m

$1,159

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sat 3/28

5:10 pm-8:40 am

2 stops25h 15m

Washington, D.C. Dulles Intl

Sat 4/4

10:55 am-9:50 am

2 stops37h 10m

$1,160

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 3/23

2:30 pm-10:05 am

2 stops29h 20m

Washington, D.C. Dulles Intl

Mon 3/30

3:10 pm-9:30 am

1 stop32h 35m

$1,175

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 3/26

1:45 pm-9:00 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Thu 4/2

10:55 am-9:45 am

1 stop37h 05m

$1,198

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 4/12

1:25 pm-8:40 am

2 stops53h 00m

Washington, D.C. Dulles Intl

Sun 4/19

10:55 am-9:45 am

1 stop37h 05m

$1,206

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 4/23

2:55 pm-9:45 am

2 stops28h 35m

Washington, D.C. Dulles Intl

Wed 5/6

3:10 pm-8:55 am

3 stops32h 00m

$1,212

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 4/23

10:55 am-8:40 am

1 stop31h 30m

Washington, D.C. Dulles Intl

Wed 5/6

11:00 am-5:00 pm

1 stop20h 15m

$1,218

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kathmandu to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Kathmandu and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, December is the cheapest month to fly from Kathmandu to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,463. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of December, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,466.

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,558 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Kathmandu for as low as $1,336 on momondo.

Can stopping save me money on Kathmandu to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 36% on your flight if you consider stops on a Kathmandu to Washington, D.C. Dulles Intl Airport flight.

How have Kathmandu to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of February 2026, prices for Kathmandu to Washington, D.C. Dulles Intl Airport flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Kathmandu to Washington, D.C. Dulles Intl Airport (KTM to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C. Dulles Intl Airport

Fastest flight time	29h 20m
Direct flights	None

The fastest flight from Kathmandu to Washington, D.C. Dulles Intl Airport takes 29h 20m

There are no direct flights from Kathmandu to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Kathmandu to Washington, D.C. Dulles Intl Airport.

Search flight deals

How far is Kathmandu Tribhuvan to Washington, D.C. Dulles Intl by plane?
Kathmandu Tribhuvan and Washington, D.C. Dulles Intl are 7693.1 mi apart from one another. A reasonable flight in good conditions will take 29h 20m.
When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport?
As of February 2026, there are 5 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Kathmandu to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Kathmandu and Washington, D.C. Dulles Intl Airport, the leading airline is Qatar Airways, making up 64% of the total bookings. Other popular airlines include Turkish Airlines with 15%, Emirates with 13%, and Air India with 5%.

Best airlines flying from Kathmandu to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
IndiGo	PriceFrom $480	Free Cancellation	Rating 6.8 538 reviews	Search IndiGo flights
Air India	PriceFrom $1,150	Free Cancellation	Rating 5.5 2,969 reviews	Search Air India flights
Qatar Airways	PriceFrom $1,278	Free Cancellation	Rating 7.4 3,745 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom $1,281	Free Cancellation	Rating 7.3 4,238 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,482	Free Cancellation	Rating 8.1 3,534 reviews	Search Emirates flights

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Woodbridge

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Laurel

Towson

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Sterling

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Why should I use momondo to find a flight deal from Kathmandu to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Kathmandu.

Can I find flights from Kathmandu to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Kathmandu on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Kathmandu to Washington, D.C.?

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kathmandu to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Kathmandu to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Kathmandu to Washington, D.C. from $539

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qatar Airways flights from Kathmandu to Washington, D.C. Dulles Intl Airport

Our best Qatar Airways deals on Kathmandu to Washington, D.C. Dulles Intl Airport flight tickets

Turkish Airlines flights from Kathmandu to Washington, D.C. Dulles Intl Airport

Our best Turkish Airlines deals on Kathmandu to Washington, D.C. Dulles Intl Airport flight tickets

momondo 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.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kathmandu to Washington, D.C. Dulles Intl Airport

What is the typical price of a round-trip flight between Kathmandu and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

Can stopping save me money on Kathmandu to Washington, D.C. Dulles Intl Airport flights?

How have Kathmandu to Washington, D.C. Dulles Intl Airport flight prices changed over time?

What is the cheapest airline that flies from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl?

What airlines fly to Washington, D.C. Dulles Intl Airport?

Which airport is the most popular layover for flights between Kathmandu and Washington, D.C. Dulles Intl Airport?

Which layover airport offers the lowest fares from Kathmandu to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest travel time from Kathmandu to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest connection time from Kathmandu to Washington, D.C. Dulles Intl Airport?

When to book flights from Kathmandu to Washington, D.C. Dulles Intl Airport

Cheap Kathmandu to Washington, D.C. Dulles Intl Airport (KTM to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C. Dulles Intl Airport

Fastest flight time

Direct flights

Best airlines flying from Kathmandu to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. Dulles Intl Airport with momondo

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