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

Etihad Airways, Cathay Pacific, and Qatar Airways are the most popular carriers operating from Washington, D.C. to Kathmandu Tribhuvan

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: 60% of momondo users choosing 1-stop flights on this route connected there.

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.

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 22h 05m and 28h 26m, respectively.

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 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 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.

$460 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 $1,331 to $1,540. The lowest price recently found on this route was $1,014.

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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.

11:00 am - 9:50 am

IAD

KTM

37h 05m

2 stops

10:50 am - 8:45 am

KTM

IAD

31h 40m

2 stops

$1,014Multiple Airlines

Mon, May 4 - Thu, Jun 18

2:05 pm - 7:50 pm

IAD

KTM

44h 00m

2 stops

10:50 am - 9:45 am

KTM

IAD

32h 40m

2 stops

$1,025Multiple Airlines

Wed, Apr 8 - Sat, May 2

11:00 am - 8:10 pm

IAD

KTM

23h 25m

2 stops

1:25 pm - 8:40 am

KTM

IAD

29h 00m

2 stops

$1,058Multiple Airlines

Mon, May 4 - Mon, May 25

11:41 am - 5:00 pm

BWI

KTM

43h 34m

2 stops

10:55 am - 12:11 am

KTM

BWI

47h 01m

2 stops

$1,307Qatar Airways

Tue, Apr 28 - Thu, May 28

7:16 pm - 5:00 pm

BWI

KTM

59h 59m

2 stops

6:45 pm - 11:32 pm

KTM

BWI

38h 32m

2 stops

$1,327Qatar Airways

Thu, Apr 30 - Wed, Sep 30

3:33 pm - 4:45 pm

BWI

KTM

39h 27m

2 stops

5:40 pm - 11:55 pm

KTM

BWI

41h 00m

2 stops

$1,341Qatar Airways

Tue, Aug 4 - Wed, Nov 4

11:41 am - 5:00 pm

BWI

KTM

43h 34m

2 stops

10:55 am - 6:20 pm

KTM

BWI

65h 10m

2 stops

$1,342Qatar Airways

Tue, Apr 21 - Tue, May 19

6:59 am - 9:45 pm

DCA

KTM

53h 01m

2 stops

11:00 pm - 8:15 pm

KTM

DCA

31h 00m

2 stops

$1,447Cathay Pacific

Mon, Aug 17 - Tue, Sep 15

3:50 pm - 9:45 pm

DCA

KTM

68h 10m

2 stops

11:00 pm - 11:58 pm

KTM

DCA

34h 43m

2 stops

$1,454Cathay Pacific

Sun, Aug 16 - Wed, Sep 2

5:12 pm - 9:45 pm

DCA

KTM

42h 48m

2 stops

11:00 pm - 8:59 pm

KTM

DCA

55h 44m

2 stops

$1,480Cathay Pacific

Fri, Sep 4 - Fri, Sep 18

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

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

Qatar Airways

Apr 28

BWI11:41 amBaltimore/Washington

43h 34m

2 stops

KTM5:00 pmKathmandu Tribhuvan

May 28

KTM10:55 amKathmandu Tribhuvan

47h 01m

2 stops

BWI12:11 amBaltimore/Washington

$1,307

Qatar Airways

Apr 21

BWI11:41 amBaltimore/Washington

43h 34m

2 stops

KTM5:00 pmKathmandu Tribhuvan

May 19

KTM10:55 amKathmandu Tribhuvan

65h 10m

2 stops

BWI6:20 pmBaltimore/Washington

$1,342

Qatar Airways

Apr 28

BWI11:41 amBaltimore/Washington

43h 34m

2 stops

KTM5:00 pmKathmandu Tribhuvan

May 28

KTM10:55 amKathmandu Tribhuvan

47h 01m

2 stops

BWI12:11 amBaltimore/Washington

$1,358

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 17

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

53h 01m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Sep 15

KTM11:00 pmKathmandu Tribhuvan

31h 00m

2 stops

DCA8:15 pmWashington, D.C. Reagan-National

$1,447

Cathay Pacific

Aug 16

DCA3:50 pmWashington, D.C. Reagan-National

68h 10m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Sep 2

KTM11:00 pmKathmandu Tribhuvan

34h 43m

2 stops

DCA11:58 pmWashington, D.C. Reagan-National

$1,454

Cathay Pacific

Sep 4

DCA5:12 pmWashington, D.C. Reagan-National

42h 48m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Sep 18

KTM11:00 pmKathmandu Tribhuvan

55h 44m

2 stops

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

$1,480

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

Mon 5/4

11:00 am-9:50 am

2 stops37h 05m

Kathmandu Tribhuvan

Thu 6/18

10:50 am-8:45 am

2 stops31h 40m

$1,014

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 4/8

2:05 pm-7:50 pm

2 stops44h 00m

Kathmandu Tribhuvan

Sat 5/2

10:50 am-9:45 am

2 stops32h 40m

$1,025

Quickest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 5/4

11:00 am-8:10 pm

2 stops23h 25m

Kathmandu Tribhuvan

Mon 5/25

1:25 pm-8:40 am

2 stops29h 00m

$1,058

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Tue 4/28

11:41 am-5:00 pm

2 stops43h 34m

Kathmandu Tribhuvan

Thu 5/28

10:55 am-12:11 am

2 stops47h 01m

$1,307

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Thu 4/30

7:16 pm-5:00 pm

2 stops59h 59m

Kathmandu Tribhuvan

Wed 9/30

6:45 pm-11:32 pm

2 stops38h 32m

$1,327

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Tue 8/4

3:33 pm-4:45 pm

2 stops39h 27m

Kathmandu Tribhuvan

Wed 11/4

5:40 pm-11:55 pm

2 stops41h 00m

$1,341

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Tue 4/21

11:41 am-5:00 pm

2 stops43h 34m

Kathmandu Tribhuvan

Tue 5/19

10:55 am-6:20 pm

2 stops65h 10m

$1,342

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 8/17

6:59 am-9:45 pm

2 stops53h 01m

Kathmandu Tribhuvan

Tue 9/15

11:00 pm-8:15 pm

2 stops31h 00m

$1,447

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 8/16

3:50 pm-9:45 pm

2 stops68h 10m

Kathmandu Tribhuvan

Wed 9/2

11:00 pm-11:58 pm

2 stops34h 43m

$1,454

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Fri 9/4

5:12 pm-9:45 pm

2 stops42h 48m

Kathmandu Tribhuvan

Fri 9/18

11:00 pm-8:59 pm

2 stops55h 44m

$1,480

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 $1,254.

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 $1,422 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 $1,256 on momondo.

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

You could potentially save up to 16% 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 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

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 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 40% of all bookings. The subsequent popular airlines are Air India at 20%, Emirates at 13%, and Turkish Airlines at 12%.

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 $828	Free Cancellation	Rating 5.5 2,972 reviews	Search Air India flights
IndiGo	PriceFrom $944	Free Cancellation	Rating 6.8 544 reviews	Search IndiGo flights
Turkish Airlines	PriceFrom $1,069	Free Cancellation	Rating 7.3 4,274 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,092	Free Cancellation	Rating 8.1 3,542 reviews	Search Emirates flights
Etihad Airways	PriceFrom $1,242	Free Cancellation	Rating 7.3 1,429 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom $1,253	Free Cancellation	Rating 7.4 3,732 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,611	Free Cancellation	Rating 7.5 1,903 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 $1,253

Cheap flights from Washington, D.C. to Kathmandu from $453

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 4/28. 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

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

Our best Cathay Pacific 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 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

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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