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 51% 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 airport is the most popular layover for flights between Washington, D.C. and Kathmandu?

Doha (DOH) was the most common stop: 62% 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 New Delhi (DEL) have the shortest average one-way travel time: 20h 39m.

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 24m.

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.

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

Etihad Airways, IndiGo, and Cathay Pacific 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 40m and 25h 30m, respectively.

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 March 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.

$457 Cheap Flights from Washington, D.C. to Kathmandu in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $1,351 to $1,536. The lowest price recently found on this route was $1,071.

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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 - 9:50 am

IAD

KTM

32h 30m

2 stops

4:40 pm - 9:45 am

KTM

IAD

26h 50m

2 stops

$1,071Multiple Airlines

Sun, Mar 22 - Mon, Apr 13

9:00 pm - 1:05 pm

IAD

KTM

30h 20m

2 stops

2:05 pm - 4:05 pm

KTM

IAD

35h 45m

2 stops

$1,073Multiple Airlines

Sat, Apr 4 - Sat, Apr 18

11:00 am - 8:10 pm

IAD

KTM

23h 25m

2 stops

1:25 pm - 4:05 pm

KTM

IAD

36h 25m

2 stops

$1,102Multiple Airlines

Fri, May 1 - Sat, Jun 6

6:10 am - 9:45 pm

IAD

KTM

53h 50m

2 stops

11:00 pm - 5:00 am

KTM

IAD

39h 45m

2 stops

$1,137Cathay Pacific

Mon, Aug 24 - Wed, Sep 30

9:14 am - 9:45 pm

DCA

KTM

50h 46m

2 stops

11:00 pm - 12:55 am

KTM

DCA

35h 40m

2 stops

$1,183Cathay Pacific

Tue, Sep 1 - Sat, Sep 12

7:31 pm - 9:45 pm

DCA

KTM

40h 29m

2 stops

11:00 pm - 12:55 am

KTM

DCA

35h 40m

2 stops

$1,194Cathay Pacific

Mon, Aug 24 - Wed, Sep 30

6:00 am - 4:45 pm

BWI

KTM

49h 00m

2 stops

6:45 pm - 11:32 pm

KTM

BWI

38h 32m

2 stops

$1,330Qatar Airways

Mon, Aug 24 - Wed, Sep 30

11:47 am - 8:50 am

BWI

KTM

35h 18m

2 stops

6:00 pm - 11:59 pm

KTM

BWI

39h 44m

2 stops

$1,332Qatar Airways

Thu, Aug 27 - Tue, Sep 15

8:09 pm - 5:00 pm

BWI

KTM

59h 06m

2 stops

10:55 am - 12:11 am

KTM

BWI

47h 01m

2 stops

$1,337Qatar Airways

Mon, Apr 27 - Tue, May 26

11:47 am - 8:50 am

BWI

KTM

35h 18m

2 stops

6:45 pm - 11:32 pm

KTM

BWI

38h 32m

2 stops

$1,350Qatar Airways

Sat, Aug 8 - Mon, Sep 28

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

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

Cathay Pacific

Aug 24

IAD6:10 amWashington, D.C. Dulles Intl

53h 50m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Sep 30

KTM11:00 pmKathmandu Tribhuvan

39h 45m

2 stops

IAD5:00 amWashington, D.C. Dulles Intl

$1,137

Cathay Pacific

Sep 4

IAD6:04 pmWashington, D.C. Dulles Intl

41h 56m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Sep 21

KTM11:00 pmKathmandu Tribhuvan

39h 45m

2 stops

IAD5:00 amWashington, D.C. Dulles Intl

$1,176

Cathay Pacific

Sep 1

DCA9:14 amWashington, D.C. Reagan-National

50h 46m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Sep 12

KTM11:00 pmKathmandu Tribhuvan

35h 40m

2 stops

DCA12:55 amWashington, D.C. Reagan-National

$1,183

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

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

Qatar Airways

Mar 24

BWI12:32 pmBaltimore/Washington

42h 08m

2 stops

KTM4:25 pmKathmandu Tribhuvan

Apr 13

KTM10:55 amKathmandu Tribhuvan

46h 39m

2 stops

BWI11:49 pmBaltimore/Washington

$1,320

Qatar Airways

Apr 27

BWI8:09 pmBaltimore/Washington

59h 06m

2 stops

KTM5:00 pmKathmandu Tribhuvan

May 26

KTM10:55 amKathmandu Tribhuvan

47h 01m

2 stops

BWI12:11 amBaltimore/Washington

$1,337

Qatar Airways

Mar 15

IAD11:40 amWashington, D.C. Dulles Intl

20h 25m

1 stop

KTM5:50 pmKathmandu Tribhuvan

Mar 24

KTM7:05 pmKathmandu Tribhuvan

31h 35m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

$1,343

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 3/22

3:35 pm-9:50 am

2 stops32h 30m

Kathmandu Tribhuvan

Mon 4/13

4:40 pm-9:45 am

2 stops26h 50m

$1,071

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 4/4

9:00 pm-1:05 pm

2 stops30h 20m

Kathmandu Tribhuvan

Sat 4/18

2:05 pm-4:05 pm

2 stops35h 45m

$1,073

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Fri 5/1

11:00 am-8:10 pm

2 stops23h 25m

Kathmandu Tribhuvan

Sat 6/6

1:25 pm-4:05 pm

2 stops36h 25m

$1,102

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 8/24

6:10 am-9:45 pm

2 stops53h 50m

Kathmandu Tribhuvan

Wed 9/30

11:00 pm-5:00 am

2 stops39h 45m

$1,137

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 9/1

9:14 am-9:45 pm

2 stops50h 46m

Kathmandu Tribhuvan

Sat 9/12

11:00 pm-12:55 am

2 stops35h 40m

$1,183

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 8/24

7:31 pm-9:45 pm

2 stops40h 29m

Kathmandu Tribhuvan

Wed 9/30

11:00 pm-12:55 am

2 stops35h 40m

$1,194

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Mon 8/24

6:00 am-4:45 pm

2 stops49h 00m

Kathmandu Tribhuvan

Wed 9/30

6:45 pm-11:32 pm

2 stops38h 32m

$1,330

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Thu 8/27

11:47 am-8:50 am

2 stops35h 18m

Kathmandu Tribhuvan

Tue 9/15

6:00 pm-11:59 pm

2 stops39h 44m

$1,332

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Mon 4/27

8:09 pm-5:00 pm

2 stops59h 06m

Kathmandu Tribhuvan

Tue 5/26

10:55 am-12:11 am

2 stops47h 01m

$1,337

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Sat 8/8

11:47 am-8:50 am

2 stops35h 18m

Kathmandu Tribhuvan

Mon 9/28

6:45 pm-11:32 pm

2 stops38h 32m

$1,350

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 October is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. averaging around $1,244.

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 $1,421 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 $1,249 on momondo.

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

You could potentially save up to 15% 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 March 2026, prices for Washington, D.C. to Kathmandu flights are approximately 41% 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	19h 00m
Direct flights	None

The fastest flight from Washington, D.C. to Kathmandu takes 19h 00m

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 19h 00m.
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 March 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 41% of all bookings. The subsequent popular airlines are Air India at 20%, Emirates at 12%, and IndiGo 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 $834	Free Cancellation	Rating 5.5 2,969 reviews	Search Air India flights
IndiGo	PriceFrom $961	Free Cancellation	Rating 6.8 542 reviews	Search IndiGo flights
Turkish Airlines	PriceFrom $1,068	Free Cancellation	Rating 7.3 4,249 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,092	Free Cancellation	Rating 8.1 3,540 reviews	Search Emirates flights
Qatar Airways	PriceFrom $1,241	Free Cancellation	Rating 7.4 3,744 reviews	Search Qatar Airways flights
Etihad Airways	PriceFrom $1,242	Free Cancellation	Rating 7.4 1,425 reviews	Search Etihad Airways flights
SWISS	PriceFrom $1,611	Free Cancellation	Rating 7.5 1,897 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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Qatar Airways flights from Washington, D.C. to Kathmandufrom $1,241

Cheap flights from Washington, D.C. to Kathmandu from $457

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 4/14. 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

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

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

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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 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?

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

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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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