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 56m.

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 23h 10m and 28h 16m, 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 $1,187.

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: 66% 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: 21h 07m.

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.

$592 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 $1,743 to $1,363. The lowest price recently found on this route was $1,083.

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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.

3:10 pm - 9:50 am

IAD

KTM

32h 55m

2 stops

4:40 pm - 9:45 am

KTM

IAD

26h 50m

2 stops

$1,083Multiple Airlines

Tue, Aug 11 - Wed, Sep 16

3:10 pm - 3:40 pm

IAD

KTM

38h 45m

2 stops

2:05 pm - 9:45 am

KTM

IAD

29h 25m

2 stops

$1,085Multiple Airlines

Sat, Aug 29 - Wed, Sep 30

3:10 pm - 1:05 pm

IAD

KTM

36h 10m

2 stops

10:50 am - 9:45 am

KTM

IAD

32h 40m

2 stops

$1,093Multiple Airlines

Wed, Sep 9 - Wed, Sep 23

3:10 pm - 9:50 am

IAD

KTM

32h 55m

2 stops

2:05 pm - 9:45 am

KTM

IAD

29h 25m

2 stops

$1,094Multiple Airlines

Wed, Sep 2 - Wed, Sep 30

9:00 pm - 9:50 am

IAD

KTM

27h 05m

2 stops

4:40 pm - 8:45 am

KTM

IAD

25h 50m

2 stops

$1,098Multiple Airlines

Thu, Aug 27 - Mon, Sep 7

3:10 pm - 9:50 am

IAD

KTM

32h 55m

2 stops

10:50 am - 9:45 am

KTM

IAD

32h 40m

2 stops

$1,100Multiple Airlines

Thu, Sep 17 - Wed, Sep 30

3:10 pm - 3:40 pm

IAD

KTM

38h 45m

2 stops

2:05 pm - 9:45 am

KTM

IAD

29h 25m

2 stops

$1,105Multiple Airlines

Thu, Oct 1 - Tue, Oct 13

3:10 pm - 9:50 am

IAD

KTM

32h 55m

2 stops

2:05 pm - 9:45 am

KTM

IAD

29h 25m

2 stops

$1,110Multiple Airlines

Wed, Aug 26 - Sun, Sep 20

6:39 am - 9:50 am

BWI

KTM

41h 26m

2 stops

6:45 pm - 11:31 pm

KTM

BWI

38h 31m

2 stops

$1,511Qatar Airways

Tue, Sep 15 - Thu, Oct 15

11:25 am - 9:50 am

BWI

KTM

36h 40m

2 stops

6:45 pm - 11:59 pm

KTM

BWI

38h 59m

2 stops

$1,514Qatar Airways

Thu, Sep 17 - Wed, Sep 30

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

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

Qatar Airways

Sep 15

BWI6:39 amBaltimore/Washington

41h 26m

2 stops

KTM9:50 amKathmandu Tribhuvan

Oct 15

KTM6:45 pmKathmandu Tribhuvan

38h 31m

2 stops

BWI11:31 pmBaltimore/Washington

$1,511

Qatar Airways

Sep 17

BWI11:25 amBaltimore/Washington

36h 40m

2 stops

KTM9:50 amKathmandu Tribhuvan

Sep 30

KTM6:45 pmKathmandu Tribhuvan

38h 59m

2 stops

BWI11:59 pmBaltimore/Washington

$1,514

Qatar Airways

Sep 21

BWI6:39 amBaltimore/Washington

41h 26m

2 stops

KTM9:50 amKathmandu Tribhuvan

Dec 21

KTM5:40 pmKathmandu Tribhuvan

36h 34m

2 stops

BWI7:29 pmBaltimore/Washington

$1,521

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

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

Cathay Pacific

Sep 10

DCA1:52 pmWashington, D.C. Reagan-National

46h 08m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Oct 4

KTM11:00 pmKathmandu Tribhuvan

34h 43m

2 stops

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

$1,636

Cathay Pacific

Aug 28

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

42h 48m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Sep 20

KTM11:00 pmKathmandu Tribhuvan

34h 43m

2 stops

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

$1,686

Cathay Pacific

Sep 3

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

48h 01m

2 stops

KTM9:45 pmKathmandu Tribhuvan

Sep 10

KTM11:00 pmKathmandu Tribhuvan

34h 43m

2 stops

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

$1,693

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 8/11

3:10 pm-9:50 am

2 stops32h 55m

Kathmandu Tribhuvan

Wed 9/16

4:40 pm-9:45 am

2 stops26h 50m

$1,083

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 8/29

3:10 pm-3:40 pm

2 stops38h 45m

Kathmandu Tribhuvan

Wed 9/30

2:05 pm-9:45 am

2 stops29h 25m

$1,085

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 9/9

3:10 pm-1:05 pm

2 stops36h 10m

Kathmandu Tribhuvan

Wed 9/23

10:50 am-9:45 am

2 stops32h 40m

$1,093

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 9/2

3:10 pm-9:50 am

2 stops32h 55m

Kathmandu Tribhuvan

Wed 9/30

2:05 pm-9:45 am

2 stops29h 25m

$1,094

Quickest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 8/27

9:00 pm-9:50 am

2 stops27h 05m

Kathmandu Tribhuvan

Mon 9/7

4:40 pm-8:45 am

2 stops25h 50m

$1,098

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 9/17

3:10 pm-9:50 am

2 stops32h 55m

Kathmandu Tribhuvan

Wed 9/30

10:50 am-9:45 am

2 stops32h 40m

$1,100

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 10/1

3:10 pm-3:40 pm

2 stops38h 45m

Kathmandu Tribhuvan

Tue 10/13

2:05 pm-9:45 am

2 stops29h 25m

$1,105

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 8/26

3:10 pm-9:50 am

2 stops32h 55m

Kathmandu Tribhuvan

Sun 9/20

2:05 pm-9:45 am

2 stops29h 25m

$1,110

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Tue 9/15

6:39 am-9:50 am

2 stops41h 26m

Kathmandu Tribhuvan

Thu 10/15

6:45 pm-11:31 pm

2 stops38h 31m

$1,511

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Thu 9/17

11:25 am-9:50 am

2 stops36h 40m

Kathmandu Tribhuvan

Wed 9/30

6:45 pm-11:59 pm

2 stops38h 59m

$1,514

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 $499.

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 $1,428 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 $1,257 on momondo.

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

You could potentially save up to 26% 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 37% 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	22h 15m
Direct flights	None

The fastest flight from Washington, D.C. to Kathmandu takes 22h 15m

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 22h 15m.
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 41% of all bookings. The subsequent popular airlines are Air India at 19%, Emirates at 16%, 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
IndiGo	PriceFrom $549	Free Cancellation	Rating 6.8 560 reviews	Search IndiGo flights
Air India	PriceFrom $821	Free Cancellation	Rating 5.5 2,955 reviews	Search Air India flights
Turkish Airlines	PriceFrom $1,085	Free Cancellation	Rating 7.4 4,351 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,092	Free Cancellation	Rating 8.1 3,571 reviews	Search Emirates flights
Etihad Airways	PriceFrom $1,242	Free Cancellation	Rating 7.3 1,433 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom $1,254	Free Cancellation	Rating 7.4 3,727 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,611	Free Cancellation	Rating 7.6 1,936 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.

An easier way to manage your Kathmandu trip

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Qatar Airways flights from Washington, D.C. to Kathmandufrom $1,254

Cheap flights from Washington, D.C. to Kathmandu from $592

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 8/3. 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 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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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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