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

Flights connecting via New Delhi (DEL) have the shortest average one-way travel time: 19h 00m.

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. according to our data. Qatar Airways is the first choice among our users, with 59% 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. to Kathmandu?

New Delhi (DEL) has the shortest average layover time for this route: 3h 03m.

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

Qatar Airways and Air India are the most popular carriers operating from Washington, D.C. to Kathmandu Tribhuvan

How long does it take to fly to Kathmandu?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Kathmandu, then you can expect flight times to average 21h 37m and 27h 48m, respectively.

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

Flights via New Delhi (DEL) offer the lowest average round-trip price of $1,095.

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

Doha (DOH) was the most common stop: 74% of momondo users choosing 1-stop flights on this route connected there.

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

Prices for flights from Washington, D.C. to Kathmandu Tribhuvan Airport were last updated today.

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

There are 7 operators available for flights from Washington, D.C. to Kathmandu Tribhuvan Airport as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Kathmandu Tribhuvan Airport.

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

The required travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$661 Cheap Flights from Washington, D.C. to Kathmandu in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:55 am - 2:10 pm

IAD

KTM

41h 30m

3 stops

10:50 am - 8:40 am

KTM

IAD

31h 35m

2 stops

$1,402Multiple Airlines

Wed, Jul 29 - Fri, Aug 28

3:10 pm - 2:10 pm

IAD

KTM

37h 15m

3 stops

10:50 am - 9:05 am

KTM

IAD

33h 00m

2 stops

$1,406Multiple Airlines

Thu, Oct 15 - Wed, Nov 18

10:30 am - 6:35 pm

IAD

KTM

45h 20m

2 stops

1:45 pm - 8:10 am

KTM

IAD

53h 10m

2 stops

$1,407Multiple Airlines

Fri, Nov 13 - Sat, Nov 28

10:55 am - 9:45 am

IAD

KTM

37h 05m

1 stop

1:25 pm - 8:40 am

KTM

IAD

29h 00m

2 stops

$1,408Multiple Airlines

Sat, Aug 22 - Mon, Aug 31

10:55 am - 9:45 am

IAD

KTM

37h 05m

1 stop

1:45 pm - 8:10 am

KTM

IAD

29h 10m

2 stops

$1,409Multiple Airlines

Sat, Aug 29 - Fri, Dec 18

9:00 pm - 8:50 am

IAD

KTM

26h 05m

1 stop

5:40 pm - 8:10 am

KTM

IAD

25h 15m

1 stop

$1,410Qatar Airways

Mon, Oct 19 - Tue, Nov 3

9:00 pm - 8:50 am

IAD

KTM

26h 05m

1 stop

6:45 pm - 8:10 am

KTM

IAD

24h 10m

1 stop

$1,411Qatar Airways

Mon, Oct 12 - Tue, Nov 24

11:05 am - 4:45 pm

IAD

KTM

19h 55m

1 stop

6:00 pm - 3:40 pm

KTM

IAD

31h 25m

1 stop

$1,412Qatar Airways

Tue, Sep 8 - Thu, Oct 8

11:05 am - 5:20 pm

IAD

KTM

20h 30m

1 stop

9:35 am - 3:55 pm

KTM

IAD

41h 05m

1 stop

$1,413Qatar Airways

Thu, Oct 1 - Fri, Nov 13

5:44 pm - 9:30 pm

BWI

KTM

42h 01m

2 stops

10:50 pm - 4:37 pm

KTM

BWI

51h 32m

2 stops

$1,811Singapore Airlines

Sun, Sep 13 - Sat, Sep 26

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Qatar Airways flights from Washington, D.C. to Kathmandu

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

Qatar Airways

Oct 19

IAD9:00 pmWashington, D.C. Dulles Intl

26h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

Nov 3

KTM5:40 pmKathmandu Tribhuvan

25h 15m

1 stop

IAD8:10 amWashington, D.C. Dulles Intl

$1,410

Qatar Airways

Oct 12

IAD9:00 pmWashington, D.C. Dulles Intl

26h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

Nov 24

KTM6:45 pmKathmandu Tribhuvan

24h 10m

1 stop

IAD8:10 amWashington, D.C. Dulles Intl

$1,411

Qatar Airways

Sep 8

IAD11:05 amWashington, D.C. Dulles Intl

19h 55m

1 stop

KTM4:45 pmKathmandu Tribhuvan

Oct 8

KTM6:00 pmKathmandu Tribhuvan

31h 25m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$1,412

Emirates flights from Washington, D.C. to Kathmandu

Our best Emirates deals on Washington, D.C. to Kathmandu flight tickets

Emirates

Jul 26

IAD10:55 amWashington, D.C. Dulles Intl

26h 55m

1 stop

KTM11:35 pmKathmandu Tribhuvan

Sep 3

KTM9:05 amKathmandu Tribhuvan

33h 20m

1 stop

IAD8:40 amWashington, D.C. Dulles Intl

$1,444

Emirates

Jul 2

BWI3:03 pmBaltimore/Washington

42h 07m

2 stops

KTM6:55 pmKathmandu Tribhuvan

Sep 4

KTM3:35 pmKathmandu Tribhuvan

39h 40m

2 stops

BWI9:30 pmBaltimore/Washington

$2,336

Emirates

Jul 2

BWI3:03 pmBaltimore/Washington

46h 47m

2 stops

KTM11:35 pmKathmandu Tribhuvan

Jul 7

KTM9:05 amKathmandu Tribhuvan

46h 06m

2 stops

BWI9:26 pmBaltimore/Washington

$2,455

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. 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 7/29

10:55 am-2:10 pm

3 stops41h 30m

Kathmandu Tribhuvan

Fri 8/28

10:50 am-8:40 am

2 stops31h 35m

$1,402

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 10/15

3:10 pm-2:10 pm

3 stops37h 15m

Kathmandu Tribhuvan

Wed 11/18

10:50 am-9:05 am

2 stops33h 00m

$1,406

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Fri 11/13

10:30 am-6:35 pm

2 stops45h 20m

Kathmandu Tribhuvan

Sat 11/28

1:45 pm-8:10 am

2 stops53h 10m

$1,407

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 8/22

10:55 am-9:45 am

1 stop37h 05m

Kathmandu Tribhuvan

Mon 8/31

1:25 pm-8:40 am

2 stops29h 00m

$1,408

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 8/29

10:55 am-9:45 am

1 stop37h 05m

Kathmandu Tribhuvan

Fri 12/18

1:45 pm-8:10 am

2 stops29h 10m

$1,409

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 10/19

9:00 pm-8:50 am

1 stop26h 05m

Kathmandu Tribhuvan

Tue 11/3

5:40 pm-8:10 am

1 stop25h 15m

$1,410

Quickest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 10/12

9:00 pm-8:50 am

1 stop26h 05m

Kathmandu Tribhuvan

Tue 11/24

6:45 pm-8:10 am

1 stop24h 10m

$1,411

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 9/8

11:05 am-4:45 pm

1 stop19h 55m

Kathmandu Tribhuvan

Thu 10/8

6:00 pm-3:40 pm

1 stop31h 25m

$1,412

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 10/1

11:05 am-5:20 pm

1 stop20h 30m

Kathmandu Tribhuvan

Fri 11/13

9:35 am-3:55 pm

1 stop41h 05m

$1,413

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Sun 9/13

5:44 pm-9:30 pm

2 stops42h 01m

Kathmandu Tribhuvan

Sat 9/26

10:50 pm-4:37 pm

2 stops51h 32m

$1,811

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. 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

Other information

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

What is the cheapest month to fly to Kathmandu?

The month of December is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. averaging around $268.

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

You are more likely to see cheaper flights to Kathmandu from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,493 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. for as low as $1,454 on momondo.

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

You could potentially save up to 12% on your flight if you consider stops on a Washington, D.C. to Kathmandu flight.

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

As of June 2026, prices for Washington, D.C. to Kathmandu flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Kathmandu

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Kathmandu (WAS to KTM) flight deals and tips

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

Fastest flight time	19h 55m
Direct flights	None

The fastest flight from Washington, D.C. to Kathmandu takes 19h 55m

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

Search flight deals

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

How far is Washington, D.C. to Kathmandu Tribhuvan by plane?
A flight from Washington, D.C. to Kathmandu Tribhuvan will travel around 7689.5 mi. A reasonable flight in good conditions will take 19h 55m.
When did momondo last update prices for flights from Washington, D.C. to Kathmandu Tribhuvan Airport?
Prices for flights from Washington, D.C. to Kathmandu Tribhuvan Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Kathmandu Tribhuvan Airport?
There are 7 operators available for flights from Washington, D.C. to Kathmandu Tribhuvan Airport as of June 2026.
How old do you have to be to fly from Washington, D.C. to Kathmandu Tribhuvan Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Kathmandu Tribhuvan Airport.
What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?
The required travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. to Kathmandu?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Kathmandu is Qatar Airways, representing 53% of all bookings. The subsequent popular airlines are Emirates at 19%, Turkish Airlines at 13%, and Air India at 10%.

Best airlines flying from Washington, D.C. to Kathmandu

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

Airline	Rating	Free Cancellation	Price
IndiGo	PriceFrom $499	Free Cancellation	Rating 6.8 574 reviews	Search IndiGo flights
Air India	PriceFrom $759	Free Cancellation	Rating 5.5 2,958 reviews	Search Air India flights
Turkish Airlines	PriceFrom $1,077	Free Cancellation	Rating 7.4 4,421 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,094	Free Cancellation	Rating 8.1 3,600 reviews	Search Emirates flights
Etihad Airways	PriceFrom $1,242	Free Cancellation	Rating 7.3 1,465 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom $1,255	Free Cancellation	Rating 7.3 3,731 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,638	Free Cancellation	Rating 7.5 1,971 reviews	Search SWISS flights

Nagarkot

Why use momondo?

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

Finding the right flight to Kathmandu from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kathmandu quick and easy, saving you time and money.

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

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

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

momondo provides multiple filters to help you find the best flight to Kathmandu from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Kathmandu from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Qatar Airways flights from Washington, D.C. to Kathmandufrom $1,255

Cheap flights from Washington, D.C. to Kathmandu from $661

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Kathmandu departing on 8/31. 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 Washington, D.C. to Kathmandu

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

Emirates flights from Washington, D.C. to Kathmandu

Our best Emirates deals on Washington, D.C. to Kathmandu flight tickets

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See travel insights to Kathmandu from

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

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

What is the cheapest month to fly to Kathmandu?

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

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

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

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

What airlines fly to Kathmandu?

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

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

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

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

How long does it take to fly to Kathmandu?

When to book flights from Washington, D.C. to Kathmandu

Cheap Washington, D.C. to Kathmandu (WAS to KTM) flight deals and tips

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

Fastest flight time

Direct flights

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

Best airlines flying from Washington, D.C. to Kathmandu

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

Traveling to a place near Kathmandu?

Why use momondo?

An easier way to manage your Kathmandu trip

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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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