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Cheap flights from Washington, D.C. to Kathmandu from $506

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 5/13. 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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Find the cheapest flights from Washington, D.C. to Kathmandu

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Kathmandu that have been recently found on momondo from popular airlines, departing in the coming months.
 Logo
11:00 am - 6:10 pmIAD-KTM
21h 25m1 stop
 Logo
9:00 pm - 7:40 amKTM-IAD
20h 25m1 stop
$1,101
Find Deal
Fri, Sep 12 - Mon, Sep 29
 Logo
11:00 am - 3:40 pmIAD-KTM
18h 55m1 stop
 Logo
1:25 pm - 3:40 pmKTM-IAD
36h 00m2 stops
$1,121
Find Deal
Tue, May 13 - Mon, Sep 29
IndiGo Logo
9:40 pm - 9:50 amIAD-KTM
26h 25m2 stops
IndiGo Logo
4:40 pm - 7:45 pmKTM-IAD
36h 50m2 stops
$1,147IndiGo
Find Deal
Sun, Aug 24 - Sat, Oct 11
IndiGo Logo
9:40 pm - 1:00 pmIAD-KTM
29h 35m2 stops
IndiGo Logo
4:40 pm - 7:45 pmKTM-IAD
36h 50m2 stops
$1,171IndiGo
Find Deal
Mon, Aug 18 - Thu, Sep 18
Air India Logo
11:00 am - 8:05 pmIAD-KTM
23h 20m1 stop
Air India Logo
9:00 pm - 7:40 amKTM-IAD
20h 25m1 stop
$1,198Air India
Find Deal
Sat, May 10 - Fri, Jun 13
Air India Logo
11:00 am - 6:35 amIAD-KTM
33h 50m1 stop
Air India Logo
7:35 am - 7:40 amKTM-IAD
33h 50m1 stop
$1,218Air India
Find Deal
Wed, Sep 24 - Sat, Oct 4
Emirates Logo
10:55 am - 8:00 amIAD-KTM
35h 20m1 stop
Emirates Logo
7:25 pm - 8:40 amKTM-IAD
23h 00m1 stop
$1,324Emirates
Find Deal
Mon, Aug 25 - Wed, Oct 15
Qatar Airways Logo
11:00 am - 4:45 pmIAD-KTM
20h 00m1 stop
Qatar Airways Logo
6:00 pm - 3:40 pmKTM-IAD
31h 25m1 stop
$1,351Qatar Airways
Find Deal
Wed, Sep 24 - Wed, Oct 8
Qatar Airways Logo
9:00 pm - 4:45 pmIAD-KTM
34h 00m1 stop
Qatar Airways Logo
6:45 pm - 4:55 pmKTM-IAD
31h 55m1 stop
$1,354Qatar Airways
Find Deal
Thu, Sep 25 - Mon, Oct 27
Emirates Logo
10:55 am - 11:05 pmIAD-KTM
26h 25m1 stop
Emirates Logo
7:25 pm - 8:40 amKTM-IAD
23h 00m1 stop
$1,391Emirates
Find Deal
Mon, Aug 25 - Wed, Sep 10

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

Our best Korean Air deals on Washington, D.C. to Kathmandu flight tickets
Korean Air
Jun 13
DCA8:46 pmWashington, D.C. Reagan-National
58h 59m
2 stops
KTM5:30 pmKathmandu Tribhuvan
Jun 20
KTM7:20 pmKathmandu Tribhuvan
28h 09m
2 stops
DCA1:44 pmWashington, D.C. Reagan-National
Korean Air
May 9
BWI7:44 pmBaltimore/Washington
60h 01m
2 stops
KTM5:30 pmKathmandu Tribhuvan
May 26
KTM7:20 pmKathmandu Tribhuvan
30h 07m
2 stops
BWI3:42 pmBaltimore/Washington

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 18
DCA7:31 pmWashington, D.C. Reagan-National
40h 29m
2 stops
KTM9:45 pmKathmandu Tribhuvan
Sep 18
KTM11:00 pmKathmandu Tribhuvan
31h 44m
2 stops
DCA8:59 pmWashington, D.C. Reagan-National
Cathay Pacific
Sep 12
DCA8:59 amWashington, D.C. Reagan-National
51h 01m
2 stops
KTM9:45 pmKathmandu Tribhuvan
Sep 29
KTM11:00 pmKathmandu Tribhuvan
31h 44m
2 stops
DCA8:59 pmWashington, D.C. Reagan-National
Cathay Pacific
Apr 30
DCA11:54 amWashington, D.C. Reagan-National
48h 06m
2 stops
KTM9:45 pmKathmandu Tribhuvan
May 18
KTM11:00 pmKathmandu Tribhuvan
29h 52m
2 stops
DCA7:07 pmWashington, D.C. Reagan-National

See travel insights to Kathmandu from

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

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 January is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. averaging around $1,351.

What is the cheapest day to depart on your flight to Kathmandu?

According to our data, Wednesday is the cheapest day to fly to Kathmandu from Washington, D.C.. The lowest ticket price found for a Wednesday departure recently was $1,195. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. to Kathmandu on a Thursday will generally be more expensive and average around $1,464. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Kathmandu?

In the morning is the cheapest time of day to fly from Washington, D.C. to Kathmandu when you can find flight prices for as low as $1,248. Flying to Kathmandu in the morning is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,696.

What is the cheapest Washington, D.C. to Kathmandu Tribhuvan flight route?

Fly from Washington, D.C. Dulles Intl to Kathmandu Tribhuvan for the best Washington, D.C. - Kathmandu Tribhuvan flight prices

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 22 weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,510 when searching 22 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 $1,274 on momondo.

What cabin class options are available on Washington, D.C. to Kathmandu Tribhuvan flights?

There are 1 cabin classes available to choose from on Washington, D.C. to Kathmandu Tribhuvan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. to Kathmandu flight prices changed over time?

As of April 2025, prices for Washington, D.C. to Kathmandu flights are approximately 120% 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

Best Price Found

$506

Fastest flight time

18h 55m

Direct flights

Mon, Tue, Wed, Sat and Sun

Airports in Kathmandu

1 airport
The best one-way flight to Kathmandu from Washington, D.C. in the past 72 hours is $506. The best round-trip flight deal from Washington, D.C. to Kathmandu found on momondo in the last 72 hours is $1,101.
The fastest flight from Washington, D.C. to Kathmandu takes 18h 55m
Direct flights go from Washington, D.C. to Kathmandu on Monday, Tuesday, Wednesday, Saturday and Sunday. The only airline offering direct flights is Undisclosed Carrier.
There is 1 airport near Kathmandu: Kathmandu Tribhuvan (KTM)

  • 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 18h 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?

  • 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?


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
Etihad AirwaysPriceFrom $670Free CancellationRating
7.4
1,203 reviews
Search Etihad Airways flights
Air IndiaPriceFrom $1,023Free CancellationRating
5.5
2,899 reviews
Search Air India flights
Qatar AirwaysPriceFrom $1,133Free CancellationRating
7.4
3,563 reviews
Search Qatar Airways flights
KLMPriceFrom $1,135Free CancellationRating
7.8
1,334 reviews
Search KLM flights
IndiGoPriceFrom $1,180Free CancellationRating
6.8
474 reviews
Search IndiGo flights
Turkish AirlinesPriceFrom $1,183Free CancellationRating
7.3
3,788 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,316Free CancellationRating
8.0
3,213 reviews
Search Emirates flights
SWISSPriceFrom $1,652Free CancellationRating
7.5
1,588 reviews
Search SWISS flights

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
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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