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

Flights connecting via Doha (DOH) have the shortest average one-way travel time: 22h 18m.

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

Doha (DOH) was the most common stop: 73% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via New Delhi (DEL) offer the lowest average round-trip price of $1,197.

What airlines fly to Kathmandu?

Qatar Airways, Emirates and Turkish Airlines are the top three most popular airlines that fly to Kathmandu from Washington, D.C. Dulles Intl Airport according to our data. Qatar Airways is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 7 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

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

Doha (DOH) has the shortest average layover time for this route: 6h 28m.

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

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

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

Prices for flights from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.

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

As of July 2026, there are 7 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport.

What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

The travel and health documents you'll need for your trip to Kathmandu Tribhuvan 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 Kathmandu Tribhuvan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$700 Cheap Flights from Washington, D.C. Dulles Intl Airport to Kathmandu in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $1,606 to $1,917. The lowest price recently found on this route was $1,366.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Kathmandu

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 2:10 pm

IAD

KTM

37h 15m

2 stops

10:10 am - 9:45 am

KTM

IAD

33h 20m

1 stop

$1,366Multiple Airlines

Wed, Sep 2 - Mon, Sep 28

11:05 am - 7:50 pm

IAD

KTM

23h 00m

2 stops

5:10 pm - 8:10 am

KTM

IAD

25h 45m

2 stops

$1,371Multiple Airlines

Thu, Oct 22 - Thu, Nov 19

11:05 am - 7:50 pm

IAD

KTM

23h 00m

2 stops

1:15 pm - 9:10 am

KTM

IAD

29h 40m

2 stops

$1,372Multiple Airlines

Thu, Oct 1 - Sat, Oct 31

3:10 pm - 8:05 am

IAD

KTM

31h 10m

3 stops

8:45 am - 9:45 am

KTM

IAD

34h 45m

3 stops

$1,373Multiple Airlines

Tue, Sep 1 - Sat, Sep 26

10:30 am - 9:40 am

IAD

KTM

36h 25m

1 stop

1:45 pm - 8:10 am

KTM

IAD

29h 10m

2 stops

$1,376Multiple Airlines

Thu, Nov 5 - Wed, Dec 9

3:10 pm - 8:05 am

IAD

KTM

31h 10m

3 stops

8:45 am - 9:45 am

KTM

IAD

34h 45m

3 stops

$1,378Multiple Airlines

Wed, Sep 2 - Sat, Sep 26

3:10 pm - 6:45 am

IAD

KTM

29h 50m

2 stops

6:30 am - 9:45 am

KTM

IAD

61h 00m

2 stops

$1,382Multiple Airlines

Wed, Sep 16 - Fri, Oct 2

10:55 am - 9:45 am

IAD

KTM

37h 05m

1 stop

8:10 am - 8:40 am

KTM

IAD

34h 15m

2 stops

$1,383Multiple Airlines

Tue, Sep 1 - Sat, Sep 26

1:30 pm - 11:20 am

IAD

KTM

35h 05m

1 stop

12:45 pm - 11:45 am

KTM

IAD

33h 45m

1 stop

$1,385Turkish Airlines

Sun, Nov 8 - Thu, Dec 10

1:20 pm - 6:35 am

IAD

KTM

31h 30m

1 stop

8:00 am - 7:50 pm

KTM

IAD

21h 35m

1 stop

$1,386Turkish Airlines

Sun, Aug 30 - Wed, Oct 14

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

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

Turkish Airlines

Nov 8

IAD1:30 pmWashington, D.C. Dulles Intl

35h 05m

1 stop

KTM11:20 amKathmandu Tribhuvan

Dec 10

KTM12:45 pmKathmandu Tribhuvan

33h 45m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,385

Turkish Airlines

Aug 30

IAD1:20 pmWashington, D.C. Dulles Intl

31h 30m

1 stop

KTM6:35 amKathmandu Tribhuvan

Oct 14

KTM8:00 amKathmandu Tribhuvan

21h 35m

1 stop

IAD7:50 pmWashington, D.C. Dulles Intl

$1,386

Turkish Airlines

Sep 8

IAD9:45 pmWashington, D.C. Dulles Intl

23h 05m

1 stop

KTM6:35 amKathmandu Tribhuvan

Jan 23

KTM12:45 pmKathmandu Tribhuvan

33h 45m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,417

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

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

Etihad Airways

Jul 23

IAD3:10 pmWashington, D.C. Dulles Intl

32h 35m

1 stop

KTM9:30 amKathmandu Tribhuvan

Aug 13

KTM10:10 amKathmandu Tribhuvan

33h 20m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,404

Etihad Airways

Jul 31

IAD3:10 pmWashington, D.C. Dulles Intl

32h 35m

1 stop

KTM9:30 amKathmandu Tribhuvan

Aug 28

KTM10:10 amKathmandu Tribhuvan

33h 20m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$1,407

Etihad Airways

Jul 28

IAD3:10 pmWashington, D.C. Dulles Intl

32h 35m

1 stop

KTM9:30 amKathmandu Tribhuvan

Feb 27

KTM9:55 amKathmandu Tribhuvan

33h 55m

1 stop

IAD9:05 amWashington, D.C. Dulles Intl

$1,421

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 9/2

3:10 pm-2:10 pm

2 stops37h 15m

Kathmandu Tribhuvan

Mon 9/28

10:10 am-9:45 am

1 stop33h 20m

$1,366

Quickest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 10/22

11:05 am-7:50 pm

2 stops23h 00m

Kathmandu Tribhuvan

Thu 11/19

5:10 pm-8:10 am

2 stops25h 45m

$1,371

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 10/1

11:05 am-7:50 pm

2 stops23h 00m

Kathmandu Tribhuvan

Sat 10/31

1:15 pm-9:10 am

2 stops29h 40m

$1,372

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 9/1

3:10 pm-8:05 am

3 stops31h 10m

Kathmandu Tribhuvan

Sat 9/26

8:45 am-9:45 am

3 stops34h 45m

$1,373

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 11/5

10:30 am-9:40 am

1 stop36h 25m

Kathmandu Tribhuvan

Wed 12/9

1:45 pm-8:10 am

2 stops29h 10m

$1,376

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 9/2

3:10 pm-8:05 am

3 stops31h 10m

Kathmandu Tribhuvan

Sat 9/26

8:45 am-9:45 am

3 stops34h 45m

$1,378

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 9/16

3:10 pm-6:45 am

2 stops29h 50m

Kathmandu Tribhuvan

Fri 10/2

6:30 am-9:45 am

2 stops61h 00m

$1,382

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 9/1

10:55 am-9:45 am

1 stop37h 05m

Kathmandu Tribhuvan

Sat 9/26

8:10 am-8:40 am

2 stops34h 15m

$1,383

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 11/8

1:30 pm-11:20 am

1 stop35h 05m

Kathmandu Tribhuvan

Thu 12/10

12:45 pm-11:45 am

1 stop33h 45m

$1,385

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 8/30

1:20 pm-6:35 am

1 stop31h 30m

Kathmandu Tribhuvan

Wed 10/14

8:00 am-7:50 pm

1 stop21h 35m

$1,386

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 Washington, D.C. Dulles Intl Airport to Kathmandu

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 Washington, D.C. Dulles Intl Airport and Kathmandu?

What is the cheapest month to fly to Kathmandu?

The month of August is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $1,327.

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

You are more likely to see cheaper flights to Kathmandu from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,502 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Washington, D.C. Dulles Intl Airport for as low as $1,454 on momondo.

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

You could potentially save up to 6% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Kathmandu flight.

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

As of July 2026, prices for Washington, D.C. Dulles Intl Airport to Kathmandu flights are approximately 18% cheaper when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Fastest flight time	23h 00m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Kathmandu takes 23h 00m

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

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Kathmandu

How far is Washington, D.C. Dulles Intl to Kathmandu Tribhuvan by plane?
The straight-line distance from Washington, D.C. Dulles Intl to Kathmandu Tribhuvan is 7693.1 mi. A reasonable flight in good conditions will take 23h 00m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport?
As of July 2026, there are 7 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport.
What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?
The travel and health documents you'll need for your trip to Kathmandu Tribhuvan 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 Kathmandu Tribhuvan 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 Washington, D.C. Dulles Intl Airport to Kathmandu?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Kathmandu is Qatar Airways (57% of total bookings). The next most popular airlines are Emirates (20%), Turkish Airlines (14%), and Air India (4%).

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

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

Airline	Rating	Free Cancellation	Price
IndiGo	PriceFrom $499	Free Cancellation	Rating 6.8 577 reviews	Search IndiGo flights
Air India	PriceFrom $761	Free Cancellation	Rating 5.6 2,958 reviews	Search Air India flights
Turkish Airlines	PriceFrom $1,072	Free Cancellation	Rating 7.4 4,449 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,122	Free Cancellation	Rating 8.1 3,629 reviews	Search Emirates flights
Etihad Airways	PriceFrom $1,242	Free Cancellation	Rating 7.3 1,479 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom $1,255	Free Cancellation	Rating 7.3 3,744 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,639	Free Cancellation	Rating 7.5 2,010 reviews	Search SWISS flights

Nagarkot

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Kathmandu. momondo saves you time and could save you money on your trip.

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

Flights from Washington, D.C. to Kathmandu with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Washington, D.C. and Kathmandu by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Washington, D.C. to Kathmandu 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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Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Kathmandu

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

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

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kathmandu that are best for you.

See travel insights to Kathmandu from

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

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

What is the cheapest month to fly to Kathmandu?

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

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

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

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

What airlines fly to Kathmandu?

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

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

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

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

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Kathmandu

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

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

Traveling to a place near Kathmandu?

Why use momondo?

An easier way to manage your Kathmandu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Fly your favorite airline to Kathmandu

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Cabin classes currently available on flights to Kathmandu

List of cabin classes available on flights landing in Kathmandu. Availability may vary depending on flight origin and airline.

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