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

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

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 $1,094.

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 57m and 28h 30m, respectively.

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 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: 19h 45m.

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 60% 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: 75% of momondo users choosing 1-stop flights on this route connected there.

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 July 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.

$593 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 $1,497 to $1,852. The lowest price recently found on this route was $1,325.

Discover deals from 900+ travel sites with momondo.

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.

9:20 pm - 11:20 am

IAD

KTM

27h 15m

1 stop

12:45 pm - 11:45 am

KTM

IAD

33h 45m

1 stop

$1,325Turkish Airlines

Tue, Dec 1 - Sat, Dec 12

10:30 am - 6:35 pm

IAD

KTM

45h 20m

2 stops

1:45 pm - 8:10 am

KTM

IAD

53h 10m

2 stops

$1,326Multiple Airlines

Mon, Nov 9 - Mon, Dec 21

3:10 pm - 1:30 pm

IAD

KTM

36h 35m

3 stops

10:50 am - 9:05 am

KTM

IAD

33h 00m

2 stops

$1,328Multiple Airlines

Sat, Oct 24 - Fri, Dec 4

1:30 pm - 11:20 am

IAD

KTM

35h 05m

1 stop

12:45 pm - 11:45 am

KTM

IAD

33h 45m

1 stop

$1,331Turkish Airlines

Sun, Nov 8 - Mon, Dec 21

10:30 am - 7:50 pm

IAD

KTM

22h 35m

2 stops

5:10 pm - 3:55 pm

KTM

IAD

33h 30m

2 stops

$1,340Multiple Airlines

Wed, Nov 11 - Sun, Nov 29

6:10 am - 4:30 pm

DCA

KTM

24h 35m

2 stops

2:40 pm - 10:59 pm

KTM

DCA

42h 04m

2 stops

$1,627Air India

Mon, Aug 31 - Thu, Oct 15

6:10 am - 11:00 pm

DCA

KTM

30h 05m

2 stops

12:15 am - 6:57 pm

KTM

DCA

29h 27m

2 stops

$1,701Kuwait Airways

Sun, Nov 22 - Mon, Dec 7

1:20 pm - 9:30 am

DCA

KTM

34h 25m

2 stops

10:10 am - 7:20 pm

KTM

DCA

42h 55m

2 stops

$1,747Etihad Airways

Thu, Sep 10 - Mon, Sep 14

12:53 pm - 8:50 am

BWI

KTM

34h 12m

2 stops

5:40 pm - 12:16 am

KTM

BWI

41h 21m

2 stops

$1,756Qatar Airways

Sun, Sep 6 - Mon, Feb 1

6:00 am - 9:50 am

BWI

KTM

42h 05m

2 stops

6:45 pm - 9:54 pm

KTM

BWI

37h 54m

2 stops

$1,780Qatar Airways

Mon, Oct 26 - Tue, Dec 8

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

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

Turkish Airlines

Dec 1

IAD9:20 pmWashington, D.C. Dulles Intl

27h 15m

1 stop

KTM11:20 amKathmandu Tribhuvan

Dec 12

KTM12:45 pmKathmandu Tribhuvan

33h 45m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,325

Turkish Airlines

Nov 8

IAD1:30 pmWashington, D.C. Dulles Intl

35h 05m

1 stop

KTM11:20 amKathmandu Tribhuvan

Dec 21

KTM12:45 pmKathmandu Tribhuvan

33h 45m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,331

Turkish Airlines

Aug 11

IAD9:45 pmWashington, D.C. Dulles Intl

23h 05m

1 stop

KTM6:35 amKathmandu Tribhuvan

Sep 17

KTM8:00 amKathmandu Tribhuvan

37h 20m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$1,385

Air India flights from Washington, D.C. to Kathmandu

Our best Air India deals on Washington, D.C. to Kathmandu flight tickets

Air India

Aug 31

DCA6:10 amWashington, D.C. Reagan-National

24h 35m

2 stops

KTM4:30 pmKathmandu Tribhuvan

Oct 15

KTM2:40 pmKathmandu Tribhuvan

42h 04m

2 stops

DCA10:59 pmWashington, D.C. Reagan-National

$1,627

Air India

Aug 18

DCA6:10 amWashington, D.C. Reagan-National

44h 55m

2 stops

KTM12:50 pmKathmandu Tribhuvan

Sep 2

KTM9:10 pmKathmandu Tribhuvan

35h 34m

2 stops

DCA10:59 pmWashington, D.C. Reagan-National

$1,770

Air India

Aug 11

DCA6:10 amWashington, D.C. Reagan-National

32h 10m

2 stops

KTM12:05 amKathmandu Tribhuvan

Sep 2

KTM7:35 amKathmandu Tribhuvan

49h 09m

2 stops

DCA10:59 pmWashington, D.C. Reagan-National

$1,772

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

Tue 12/1

9:20 pm-11:20 am

1 stop27h 15m

Kathmandu Tribhuvan

Sat 12/12

12:45 pm-11:45 am

1 stop33h 45m

$1,325

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 11/9

10:30 am-6:35 pm

2 stops45h 20m

Kathmandu Tribhuvan

Mon 12/21

1:45 pm-8:10 am

2 stops53h 10m

$1,326

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 10/24

3:10 pm-1:30 pm

3 stops36h 35m

Kathmandu Tribhuvan

Fri 12/4

10:50 am-9:05 am

2 stops33h 00m

$1,328

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 11/8

1:30 pm-11:20 am

1 stop35h 05m

Kathmandu Tribhuvan

Mon 12/21

12:45 pm-11:45 am

1 stop33h 45m

$1,331

Quickest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 11/11

10:30 am-7:50 pm

2 stops22h 35m

Kathmandu Tribhuvan

Sun 11/29

5:10 pm-3:55 pm

2 stops33h 30m

$1,340

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 8/31

6:10 am-4:30 pm

2 stops24h 35m

Kathmandu Tribhuvan

Thu 10/15

2:40 pm-10:59 pm

2 stops42h 04m

$1,627

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 11/22

6:10 am-11:00 pm

2 stops30h 05m

Kathmandu Tribhuvan

Mon 12/7

12:15 am-6:57 pm

2 stops29h 27m

$1,701

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 9/10

1:20 pm-9:30 am

2 stops34h 25m

Kathmandu Tribhuvan

Mon 9/14

10:10 am-7:20 pm

2 stops42h 55m

$1,747

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Sun 9/6

12:53 pm-8:50 am

2 stops34h 12m

Kathmandu Tribhuvan

Mon 2/1

5:40 pm-12:16 am

2 stops41h 21m

$1,756

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Mon 10/26

6:00 am-9:50 am

2 stops42h 05m

Kathmandu Tribhuvan

Tue 12/8

6:45 pm-9:54 pm

2 stops37h 54m

$1,780

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 February is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. averaging around $1,330.

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 $1,507 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 $1,449 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 July 2026, prices for Washington, D.C. to Kathmandu flights are approximately 3% 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 45m
Direct flights	None

The fastest flight from Washington, D.C. to Kathmandu takes 22h 45m

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 45m.
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 July 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 57% of all bookings. The subsequent popular airlines are Emirates at 19%, Turkish Airlines at 15%, and Air India at 4%.

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 $489	Free Cancellation	Rating 6.8 577 reviews	Search IndiGo flights
Air India	PriceFrom $759	Free Cancellation	Rating 5.5 2,955 reviews	Search Air India flights
Turkish Airlines	PriceFrom $1,069	Free Cancellation	Rating 7.4 4,450 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,126	Free Cancellation	Rating 8.1 3,631 reviews	Search Emirates flights
Qatar Airways	PriceFrom $1,257	Free Cancellation	Rating 7.3 3,748 reviews	Search Qatar Airways flights
Etihad Airways	PriceFrom $1,293	Free Cancellation	Rating 7.3 1,484 reviews	Search Etihad Airways flights
SWISS	PriceFrom $1,639	Free Cancellation	Rating 7.5 2,013 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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Fly your favorite airline to Kathmandu

Qatar Airways flights from Washington, D.C. to Kathmandufrom $1,257

Cheap flights from Washington, D.C. to Kathmandu from $593

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 9/6. 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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Turkish Airlines flights from Washington, D.C. to Kathmandu

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

Air India flights from Washington, D.C. to Kathmandu

Our best Air India deals on Washington, D.C. to Kathmandu flight tickets

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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 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

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.

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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