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 68% 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.

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

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

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

Istanbul (IST) has the shortest average layover time for this route: 4h 38m.

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: 52% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Istanbul (IST) have the shortest average one-way travel time: 21h 56m.

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 $1,532.

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.

$557 Cheap Flights from Kathmandu to Washington, D.C. Dulles Intl Airport in 2026

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Enter your travel dates to find the best prices.

1:25 pm - 9:45 am

KTM

IAD

30h 05m

2 stops

3:10 pm - 6:10 pm

IAD

KTM

41h 15m

2 stops

$1,086Multiple Airlines

Mon, Mar 30 - Mon, Apr 6

10:50 am - 9:45 am

KTM

IAD

32h 40m

2 stops

3:10 pm - 1:05 pm

IAD

KTM

36h 10m

2 stops

$1,095Multiple Airlines

Tue, Mar 31 - Tue, Apr 7

10:50 am - 8:40 am

KTM

IAD

31h 35m

2 stops

11:05 am - 1:05 pm

IAD

KTM

40h 15m

2 stops

$1,101Multiple Airlines

Thu, May 7 - Fri, Sep 11

6:35 am - 10:05 am

KTM

IAD

37h 15m

2 stops

3:10 pm - 9:30 am

IAD

KTM

32h 35m

1 stop

$1,112Multiple Airlines

Thu, Mar 26 - Sun, Apr 5

10:50 am - 10:05 am

KTM

IAD

33h 00m

2 stops

3:10 pm - 9:30 am

IAD

KTM

32h 35m

1 stop

$1,130Multiple Airlines

Thu, Mar 26 - Sun, Apr 5

1:45 pm - 9:00 am

KTM

IAD

53h 00m

2 stops

11:15 am - 6:35 pm

IAD

KTM

45h 35m

2 stops

$1,160Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

1:40 pm - 10:05 am

KTM

IAD

30h 10m

2 stops

3:35 pm - 9:50 am

IAD

KTM

32h 30m

3 stops

$1,168Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

10:05 am - 10:05 am

KTM

IAD

33h 45m

3 stops

3:35 pm - 6:35 am

IAD

KTM

29h 15m

3 stops

$1,175Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

3:10 pm - 4:05 pm

KTM

IAD

34h 40m

2 stops

9:45 pm - 2:10 pm

IAD

KTM

54h 40m

2 stops

$1,182KLM

Wed, Jul 1 - Sun, Aug 2

3:10 pm - 3:40 pm

KTM

IAD

34h 15m

2 stops

3:10 pm - 9:30 am

IAD

KTM

32h 35m

1 stop

$1,191Multiple Airlines

Tue, Mar 31 - Tue, Apr 7

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

Mar 9

KTM5:40 pmKathmandu Tribhuvan

33h 00m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

Mar 13

IAD11:40 amWashington, D.C. Dulles Intl

20h 25m

1 stop

KTM5:50 pmKathmandu Tribhuvan

$1,221

Qatar Airways

Mar 9

KTM9:10 amKathmandu Tribhuvan

41h 30m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

Aug 26

IAD11:05 amWashington, D.C. Dulles Intl

19h 55m

1 stop

KTM4:45 pmKathmandu Tribhuvan

$1,223

Qatar Airways

Mar 10

KTM5:40 pmKathmandu Tribhuvan

33h 00m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

Mar 17

IAD9:05 pmWashington, D.C. Dulles Intl

35h 00m

1 stop

KTM5:50 pmKathmandu Tribhuvan

$1,224

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

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

KLM

Jul 1

KTM3:10 pmKathmandu Tribhuvan

34h 40m

2 stops

IAD4:05 pmWashington, D.C. Dulles Intl

Aug 2

IAD9:45 pmWashington, D.C. Dulles Intl

54h 40m

2 stops

KTM2:10 pmKathmandu Tribhuvan

$1,182

KLM

Jun 30

KTM3:10 pmKathmandu Tribhuvan

34h 40m

2 stops

IAD4:05 pmWashington, D.C. Dulles Intl

Aug 2

IAD9:45 pmWashington, D.C. Dulles Intl

54h 40m

2 stops

KTM2:10 pmKathmandu Tribhuvan

$1,225

KLM

Jun 5

KTM4:40 pmKathmandu Tribhuvan

32h 40m

2 stops

IAD3:35 pmWashington, D.C. Dulles Intl

Jun 19

IAD6:15 pmWashington, D.C. Dulles Intl

34h 10m

2 stops

KTM2:10 pmKathmandu Tribhuvan

$1,316

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

Mon 3/30

1:25 pm-9:45 am

2 stops30h 05m

Washington, D.C. Dulles Intl

Mon 4/6

3:10 pm-6:10 pm

2 stops41h 15m

$1,086

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 3/31

10:50 am-9:45 am

2 stops32h 40m

Washington, D.C. Dulles Intl

Tue 4/7

3:10 pm-1:05 pm

2 stops36h 10m

$1,095

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 5/7

10:50 am-8:40 am

2 stops31h 35m

Washington, D.C. Dulles Intl

Fri 9/11

11:05 am-1:05 pm

2 stops40h 15m

$1,101

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 3/26

6:35 am-10:05 am

2 stops37h 15m

Washington, D.C. Dulles Intl

Sun 4/5

3:10 pm-9:30 am

1 stop32h 35m

$1,112

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 3/26

10:50 am-10:05 am

2 stops33h 00m

Washington, D.C. Dulles Intl

Sun 4/5

3:10 pm-9:30 am

1 stop32h 35m

$1,130

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 3/10

1:45 pm-9:00 am

2 stops53h 00m

Washington, D.C. Dulles Intl

Tue 3/17

11:15 am-6:35 pm

2 stops45h 35m

$1,160

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 3/10

1:40 pm-10:05 am

2 stops30h 10m

Washington, D.C. Dulles Intl

Tue 3/17

3:35 pm-9:50 am

3 stops32h 30m

$1,168

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 3/10

10:05 am-10:05 am

3 stops33h 45m

Washington, D.C. Dulles Intl

Tue 3/17

3:35 pm-6:35 am

3 stops29h 15m

$1,175

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 7/1

3:10 pm-4:05 pm

2 stops34h 40m

Washington, D.C. Dulles Intl

Sun 8/2

9:45 pm-2:10 pm

2 stops54h 40m

$1,182

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 3/31

3:10 pm-3:40 pm

2 stops34h 15m

Washington, D.C. Dulles Intl

Tue 4/7

3:10 pm-9:30 am

1 stop32h 35m

$1,191

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 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 $1,569 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 7% 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 00m
Direct flights	None

The fastest flight from Kathmandu to Washington, D.C. Dulles Intl Airport takes 29h 00m

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 00m.
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 65% of the total bookings. Other popular airlines include Turkish Airlines with 15%, Emirates with 12%, and IndiGo with 4%.

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 6.8 532 reviews	Search IndiGo flights
Air India	PriceFrom $1,150	Free Cancellation	Rating 5.5 2,965 reviews	Search Air India flights
Turkish Airlines	PriceFrom $1,281	Free Cancellation	Rating 7.3 4,218 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,289	Free Cancellation	Rating 7.4 3,735 reviews	Search Qatar Airways flights
Emirates	PriceFrom $1,482	Free Cancellation	Rating 8.1 3,517 reviews	Search Emirates flights

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Tysons

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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 $557

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 3/23. 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

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

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

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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 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

Traveling to a place near Washington, D.C.?

Why use momondo?

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

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

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

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

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