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

Kuwait City (KWI) has the shortest average layover time for this route: 3h 18m.

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 $1,219.

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

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

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 52% 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.

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 35m and 31h 16m, respectively.

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

Doha (DOH) was the most common stop: 68% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Kuwait City (KWI) have the shortest average one-way travel time: 20h 05m.

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 May 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.

$541 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.

10:55 am - 7:50 pm

IAD

KTM

23h 10m

2 stops

10:50 am - 8:40 am

KTM

IAD

31h 35m

2 stops

$1,331Multiple Airlines

Thu, Aug 6 - Wed, Aug 26

6:30 am - 4:30 pm

DCA

KTM

24h 15m

2 stops

5:30 pm - 10:59 pm

KTM

DCA

39h 14m

2 stops

$1,341Multiple Airlines

Thu, Sep 17 - Sun, Oct 4

9:00 pm - 9:50 am

IAD

KTM

27h 05m

2 stops

5:10 pm - 8:20 am

KTM

IAD

25h 55m

2 stops

$1,342Multiple Airlines

Sun, Jul 19 - Thu, Nov 12

10:55 am - 12:50 pm

IAD

KTM

40h 10m

2 stops

1:25 pm - 8:40 am

KTM

IAD

29h 00m

2 stops

$1,343Multiple Airlines

Sun, Jul 26 - Tue, Sep 15

6:50 pm - 12:05 am

IAD

KTM

43h 30m

2 stops

8:10 am - 3:45 pm

KTM

IAD

41h 20m

2 stops

$1,355Multiple Airlines

Sun, Jul 12 - Thu, Jul 23

2:08 pm - 9:50 am

BWI

KTM

33h 57m

2 stops

6:45 pm - 11:59 pm

KTM

BWI

38h 59m

2 stops

$1,460Qatar Airways

Mon, Sep 28 - Thu, Oct 15

12:41 pm - 8:50 am

BWI

KTM

34h 24m

2 stops

6:00 pm - 9:30 pm

KTM

BWI

37h 15m

2 stops

$1,484Qatar Airways

Sat, Aug 22 - Fri, Sep 11

1:07 pm - 4:25 pm

BWI

KTM

41h 33m

2 stops

6:45 pm - 11:52 pm

KTM

BWI

39h 52m

2 stops

$1,496Qatar Airways

Wed, Oct 28 - Thu, Dec 3

6:40 am - 5:30 pm

BWI

KTM

49h 05m

2 stops

5:40 pm - 11:52 pm

KTM

BWI

40h 57m

2 stops

$1,514Qatar Airways

Mon, Oct 26 - Tue, Dec 8

12:20 pm - 11:00 pm

DCA

KTM

23h 55m

2 stops

12:15 am - 6:51 pm

KTM

DCA

29h 21m

2 stops

$1,574Kuwait Airways

Tue, Nov 3 - Mon, Nov 16

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

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

Qatar Airways

Aug 17

IAD9:00 pmWashington, D.C. Dulles Intl

27h 05m

1 stop

KTM9:50 amKathmandu Tribhuvan

Sep 24

KTM6:45 pmKathmandu Tribhuvan

23h 45m

1 stop

IAD8:45 amWashington, D.C. Dulles Intl

$1,412

Qatar Airways

Aug 17

IAD9:00 pmWashington, D.C. Dulles Intl

26h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

Sep 23

KTM6:45 pmKathmandu Tribhuvan

30h 40m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$1,413

Qatar Airways

Sep 1

IAD9:00 pmWashington, D.C. Dulles Intl

27h 05m

1 stop

KTM9:50 amKathmandu Tribhuvan

Sep 21

KTM6:45 pmKathmandu Tribhuvan

30h 40m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$1,414

Singapore Airlines flights from Washington, D.C. to Kathmandu

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

Singapore Airlines

Aug 21

BWI5:44 pmBaltimore/Washington

42h 01m

2 stops

KTM9:30 pmKathmandu Tribhuvan

Sep 12

KTM10:50 pmKathmandu Tribhuvan

41h 41m

2 stops

BWI6:46 amBaltimore/Washington

$1,768

Singapore Airlines

Aug 25

BWI7:00 amBaltimore/Washington

52h 45m

2 stops

KTM9:30 pmKathmandu Tribhuvan

Sep 12

KTM10:50 pmKathmandu Tribhuvan

41h 41m

2 stops

BWI6:46 amBaltimore/Washington

$1,783

Singapore Airlines

Aug 14

BWI5:44 pmBaltimore/Washington

42h 01m

2 stops

KTM9:30 pmKathmandu Tribhuvan

Sep 2

KTM10:50 pmKathmandu Tribhuvan

41h 41m

3 stops

BWI6:46 amBaltimore/Washington

$1,802

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 8/6

10:55 am-7:50 pm

2 stops23h 10m

Kathmandu Tribhuvan

Wed 8/26

10:50 am-8:40 am

2 stops31h 35m

$1,331

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 9/17

6:30 am-4:30 pm

2 stops24h 15m

Kathmandu Tribhuvan

Sun 10/4

5:30 pm-10:59 pm

2 stops39h 14m

$1,341

Quickest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 7/19

9:00 pm-9:50 am

2 stops27h 05m

Kathmandu Tribhuvan

Thu 11/12

5:10 pm-8:20 am

2 stops25h 55m

$1,342

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 7/26

10:55 am-12:50 pm

2 stops40h 10m

Kathmandu Tribhuvan

Tue 9/15

1:25 pm-8:40 am

2 stops29h 00m

$1,343

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 7/12

6:50 pm-12:05 am

2 stops43h 30m

Kathmandu Tribhuvan

Thu 7/23

8:10 am-3:45 pm

2 stops41h 20m

$1,355

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Mon 9/28

2:08 pm-9:50 am

2 stops33h 57m

Kathmandu Tribhuvan

Thu 10/15

6:45 pm-11:59 pm

2 stops38h 59m

$1,460

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Sat 8/22

12:41 pm-8:50 am

2 stops34h 24m

Kathmandu Tribhuvan

Fri 9/11

6:00 pm-9:30 pm

2 stops37h 15m

$1,484

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Wed 10/28

1:07 pm-4:25 pm

2 stops41h 33m

Kathmandu Tribhuvan

Thu 12/3

6:45 pm-11:52 pm

2 stops39h 52m

$1,496

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Mon 10/26

6:40 am-5:30 pm

2 stops49h 05m

Kathmandu Tribhuvan

Tue 12/8

5:40 pm-11:52 pm

2 stops40h 57m

$1,514

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 11/3

12:20 pm-11:00 pm

2 stops23h 55m

Kathmandu Tribhuvan

Mon 11/16

12:15 am-6:51 pm

2 stops29h 21m

$1,574

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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 $1,446 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 $1,282 on momondo.

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

You could potentially save up to 21% 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 May 2026, prices for Washington, D.C. to Kathmandu flights are approximately 31% 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 May 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 47% of all bookings. The subsequent popular airlines are Emirates at 17%, Air India at 15%, and Turkish Airlines at 13%.

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 $527	Free Cancellation	Rating 6.8 561 reviews	Search IndiGo flights
Air India	PriceFrom $804	Free Cancellation	Rating 5.5 2,961 reviews	Search Air India flights
Turkish Airlines	PriceFrom $1,081	Free Cancellation	Rating 7.4 4,396 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,093	Free Cancellation	Rating 8.1 3,569 reviews	Search Emirates flights
Etihad Airways	PriceFrom $1,242	Free Cancellation	Rating 7.3 1,445 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom $1,257	Free Cancellation	Rating 7.4 3,725 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,638	Free Cancellation	Rating 7.5 1,959 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 $1,257

Cheap flights from Washington, D.C. to Kathmandu from $541

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 7/29. 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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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

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.

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Cabin classes currently available on flights to Kathmandu

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