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

Doha (DOH) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Kathmandu?

Qatar Airways, Air India and Emirates 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 53% 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 travel time from Washington, D.C. to Kathmandu?

Flights connecting via New Delhi (DEL) have the shortest average one-way travel time: 20h 25m.

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: 4h 17m.

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

Cathay Pacific is the most popular carrier 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 24h 36m and 25h 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 $1,262.

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 February 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.

$410 Cheap Flights from Washington, D.C. to Kathmandu in 2026

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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.

3:35 pm - 12:15 pm

IAD

KTM

34h 55m

2 stops

10:50 am - 9:45 am

KTM

IAD

32h 40m

2 stops

$1,068Multiple Airlines

Thu, Mar 12 - Thu, Apr 2

3:35 pm - 9:05 am

IAD

KTM

31h 45m

1 stop

12:35 pm - 7:30 pm

KTM

IAD

40h 40m

2 stops

$1,073Multiple Airlines

Sun, Mar 8 - Mon, Mar 16

3:10 pm - 6:35 am

IAD

KTM

29h 40m

2 stops

1:25 pm - 9:45 am

KTM

IAD

30h 05m

2 stops

$1,085Multiple Airlines

Tue, May 5 - Sat, Jun 20

6:59 pm - 9:45 pm

DCA

KTM

41h 01m

2 stops

11:00 pm - 11:59 pm

KTM

DCA

34h 44m

2 stops

$1,224Cathay Pacific

Sun, Apr 12 - Thu, May 28

6:59 pm - 9:45 pm

DCA

KTM

41h 01m

2 stops

11:00 pm - 8:59 pm

KTM

DCA

31h 44m

2 stops

$1,244Cathay Pacific

Sun, Apr 12 - Mon, Jun 1

3:25 pm - 9:45 pm

DCA

KTM

44h 35m

2 stops

11:00 pm - 9:06 am

KTM

DCA

43h 51m

2 stops

$1,246Cathay Pacific

Thu, Aug 20 - Thu, Sep 10

11:41 am - 4:45 pm

BWI

KTM

43h 19m

2 stops

10:55 am - 11:49 pm

KTM

BWI

46h 39m

2 stops

$1,311Qatar Airways

Wed, Apr 8 - Wed, Apr 22

7:22 pm - 4:25 pm

BWI

KTM

34h 18m

2 stops

10:55 am - 11:49 pm

KTM

BWI

46h 39m

2 stops

$1,339Qatar Airways

Tue, Mar 3 - Tue, May 12

12:21 pm - 5:00 pm

BWI

KTM

42h 54m

2 stops

10:55 am - 12:13 am

KTM

BWI

47h 03m

2 stops

$1,349Qatar Airways

Wed, May 6 - Fri, May 29

7:16 pm - 5:00 pm

BWI

KTM

35h 59m

2 stops

6:15 pm - 12:13 am

KTM

BWI

39h 43m

2 stops

$1,352Qatar Airways

Thu, Apr 23 - Tue, May 26

Cathay Pacific flights from Washington, D.C. to Kathmandu

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

Cathay Pacific

Apr 12

DCA6:59 pmWashington, D.C. Reagan-National

41h 01m

2 stops

KTM9:45 pmKathmandu Tribhuvan

May 28

KTM11:00 pmKathmandu Tribhuvan

34h 44m

2 stops

DCA11:59 pmWashington, D.C. Reagan-National

$1,224

Cathay Pacific

Apr 12

DCA6:59 pmWashington, D.C. Reagan-National

41h 01m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Jun 1

KTM11:00 pmKathmandu Tribhuvan

31h 44m

2 stops

DCA8:59 pmWashington, D.C. Reagan-National

$1,244

Cathay Pacific

Aug 20

DCA3:25 pmWashington, D.C. Reagan-National

44h 35m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Sep 10

KTM11:00 pmKathmandu Tribhuvan

43h 51m

2 stops

DCA9:06 amWashington, D.C. Reagan-National

$1,246

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

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

Etihad Airways

Mar 4

IAD2:35 pmWashington, D.C. Dulles Intl

31h 45m

1 stop

KTM9:05 amKathmandu Tribhuvan

Mar 17

KTM9:50 amKathmandu Tribhuvan

34h 00m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

$1,166

Etihad Airways

Mar 9

IAD3:35 pmWashington, D.C. Dulles Intl

31h 45m

1 stop

KTM9:05 amKathmandu Tribhuvan

Mar 26

KTM9:50 amKathmandu Tribhuvan

34h 00m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

$1,179

Etihad Airways

Mar 1

IAD2:35 pmWashington, D.C. Dulles Intl

31h 45m

1 stop

KTM9:05 amKathmandu Tribhuvan

Mar 17

KTM9:50 amKathmandu Tribhuvan

34h 00m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

$1,192

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

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 3/12

3:35 pm-12:15 pm

2 stops34h 55m

Kathmandu Tribhuvan

Thu 4/2

10:50 am-9:45 am

2 stops32h 40m

$1,068

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 3/8

3:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Mon 3/16

12:35 pm-7:30 pm

2 stops40h 40m

$1,073

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 5/5

3:10 pm-6:35 am

2 stops29h 40m

Kathmandu Tribhuvan

Sat 6/20

1:25 pm-9:45 am

2 stops30h 05m

$1,085

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 4/12

6:59 pm-9:45 pm

2 stops41h 01m

Kathmandu Tribhuvan

Thu 5/28

11:00 pm-11:59 pm

2 stops34h 44m

$1,224

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 4/12

6:59 pm-9:45 pm

2 stops41h 01m

Kathmandu Tribhuvan

Mon 6/1

11:00 pm-8:59 pm

2 stops31h 44m

$1,244

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 8/20

3:25 pm-9:45 pm

2 stops44h 35m

Kathmandu Tribhuvan

Thu 9/10

11:00 pm-9:06 am

2 stops43h 51m

$1,246

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Wed 4/8

11:41 am-4:45 pm

2 stops43h 19m

Kathmandu Tribhuvan

Wed 4/22

10:55 am-11:49 pm

2 stops46h 39m

$1,311

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Tue 3/3

7:22 pm-4:25 pm

2 stops34h 18m

Kathmandu Tribhuvan

Tue 5/12

10:55 am-11:49 pm

2 stops46h 39m

$1,339

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Wed 5/6

12:21 pm-5:00 pm

2 stops42h 54m

Kathmandu Tribhuvan

Fri 5/29

10:55 am-12:13 am

2 stops47h 03m

$1,349

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Thu 4/23

7:16 pm-5:00 pm

2 stops35h 59m

Kathmandu Tribhuvan

Tue 5/26

6:15 pm-12:13 am

2 stops39h 43m

$1,352

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 cheapest month to fly to Kathmandu?

The month of October is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. averaging around $1,233.

How far in advance should I book a flight 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 $1,420 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 $1,280 on momondo.

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

You could potentially save up to 18% 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 February 2026, prices for Washington, D.C. to Kathmandu flights are approximately 63% more expensive 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	24h 30m
Direct flights	None

The fastest flight from Washington, D.C. to Kathmandu takes 24h 30m

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

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 24h 30m.
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 February 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 42% of all bookings. The subsequent popular airlines are Air India at 20%, IndiGo at 13%, and Emirates at 11%.

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
Air India	PriceFrom $841	Free Cancellation	Rating 5.5 2,968 reviews	Search Air India flights
IndiGo	PriceFrom $961	Free Cancellation	Rating 6.8 538 reviews	Search IndiGo flights
Turkish Airlines	PriceFrom $1,069	Free Cancellation	Rating 7.3 4,227 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,092	Free Cancellation	Rating 8.1 3,524 reviews	Search Emirates flights
Qatar Airways	PriceFrom $1,107	Free Cancellation	Rating 7.4 3,739 reviews	Search Qatar Airways flights
Etihad Airways	PriceFrom $1,293	Free Cancellation	Rating 7.3 1,406 reviews	Search Etihad Airways flights
SWISS	PriceFrom $1,611	Free Cancellation	Rating 7.5 1,878 reviews	Search SWISS flights

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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.

An easier way to manage your Kathmandu trip

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Fly your favorite airline to Kathmandu

Qatar Airways flights from Washington, D.C. to Kathmandufrom $1,236

Cheap flights from Washington, D.C. to Kathmandu from $410

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 3/15. 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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Cathay Pacific flights from Washington, D.C. to Kathmandu

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

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

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

momondo Fare Finder

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

See travel insights to Kathmandu from

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

What is the cheapest month to fly to Kathmandu?

How far in advance should I book a flight 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

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?

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

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

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

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

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.

Find better results for your trip to Nepal

Fly your favorite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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