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Cheap flights from Washington, D.C. to Kathmandu from $455

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 3/30. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. to Kathmandu.
10:05 pm - 8:05 pmIAD-KTM
36h 15m2 stops
1:25 pm - 4:10 pmKTM-IAD
36h 30m2 stops
$1,015
Find Deal
Mon, Aug 25 - Fri, Sep 26
1:30 pm - 8:05 pmIAD-KTM
44h 50m2 stops
1:25 pm - 7:45 pmKTM-IAD
40h 05m2 stops
$1,068
Find Deal
Sat, Aug 30 - Sat, Sep 20
11:00 am - 1:55 pmIAD-KTM
17h 10m1 stop
9:05 pm - 7:40 amKTM-IAD
21h 20m1 stop
$1,111Air India
Find Deal
Wed, Sep 3 - Thu, Nov 13
11:00 am - 6:35 amIAD-KTM
33h 50m1 stop
7:35 am - 7:40 amKTM-IAD
33h 50m1 stop
$1,159Air India
Find Deal
Sun, Sep 21 - Sat, Oct 18
1:30 pm - 6:15 amIAD-KTM
31h 00m1 stop
7:40 am - 7:45 pmKTM-IAD
21h 50m1 stop
$1,168Turkish Airlines
Find Deal
Sun, Apr 27 - Fri, Jun 6
9:40 pm - 6:15 amIAD-KTM
22h 50m1 stop
7:40 am - 11:45 amKTM-IAD
37h 50m1 stop
$1,204Turkish Airlines
Find Deal
Sun, Apr 27 - Fri, Jun 6
11:00 am - 4:45 pmIAD-KTM
20h 00m1 stop
6:45 pm - 3:55 pmKTM-IAD
31h 55m1 stop
$1,298Qatar Airways
Find Deal
Wed, Sep 10 - Wed, Dec 10
11:00 am - 4:45 pmIAD-KTM
20h 00m1 stop
6:00 pm - 8:40 amKTM-IAD
24h 25m1 stop
$1,314Qatar Airways
Find Deal
Sun, Apr 27 - Mon, May 19
10:55 am - 6:25 pmIAD-KTM
21h 45m1 stop
9:00 am - 8:40 amKTM-IAD
33h 25m1 stop
$1,324Emirates
Find Deal
Mon, May 5 - Tue, Jun 10
10:55 am - 12:10 amIAD-KTM
27h 30m1 stop
9:00 am - 8:40 amKTM-IAD
33h 25m1 stop
$1,374Emirates
Find Deal
Fri, Apr 25 - Wed, Jun 25

IndiGo flights from Washington, D.C. to Kathmandu

Our best IndiGo deals on Washington, D.C. to Kathmandu flight tickets
IndiGo
Apr 22
IAD1:30 pmWashington, D.C. Dulles Intl
34h 35m
2 stops
KTM9:50 amKathmandu Tribhuvan
Jun 17
KTM2:00 pmKathmandu Tribhuvan
39h 30m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
IndiGo
Jul 6
IAD9:40 pmWashington, D.C. Dulles Intl
32h 15m
2 stops
KTM3:40 pmKathmandu Tribhuvan
Jul 13
KTM2:05 pmKathmandu Tribhuvan
39h 25m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
IndiGo
Aug 29
IAD9:40 pmWashington, D.C. Dulles Intl
32h 15m
2 stops
KTM3:40 pmKathmandu Tribhuvan
Sep 6
KTM2:00 pmKathmandu Tribhuvan
39h 30m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl

Emirates flights from Washington, D.C. to Kathmandu

Our best Emirates deals on Washington, D.C. to Kathmandu flight tickets
Emirates
May 5
IAD10:55 amWashington, D.C. Dulles Intl
21h 45m
1 stop
KTM6:25 pmKathmandu Tribhuvan
Jun 10
KTM9:00 amKathmandu Tribhuvan
33h 25m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
Emirates
Apr 25
IAD10:55 amWashington, D.C. Dulles Intl
27h 30m
1 stop
KTM12:10 amKathmandu Tribhuvan
Jun 25
KTM9:00 amKathmandu Tribhuvan
33h 25m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
Emirates
Apr 22
IAD10:55 amWashington, D.C. Dulles Intl
21h 45m
1 stop
KTM6:25 pmKathmandu Tribhuvan
Jun 16
KTM1:10 amKathmandu Tribhuvan
41h 15m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl

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 October is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. averaging around $1,336.

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 24 weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,520 when searching 24 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 $1,284 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 March 2025, prices for Washington, D.C. to Kathmandu flights are approximately 29% 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

$455

Fastest flight time

17h 10m

Direct flights

None

Airports in Kathmandu

1 airport
The best one-way flight to Kathmandu from Washington, D.C. in the past 72 hours is $455. The best round-trip flight deal from Washington, D.C. to Kathmandu found on momondo in the last 72 hours is $1,015.
The fastest flight from Washington, D.C. to Kathmandu takes 17h 10m
There are no direct flights from Washington, D.C. to Kathmandu. Popular non-direct routes for this connection are Baltimore/Washington Airport - Kathmandu Tribhuvan Airport and Washington, D.C. Dulles Intl Airport - Kathmandu Tribhuvan Airport.
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 17h 10m.

  • 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
Air IndiaPriceFrom $1,020Free CancellationRating
5.5
2,886 reviews
Search Air India flights
KLMPriceFrom $1,135Free CancellationRating
7.8
1,318 reviews
Search KLM flights
Qatar AirwaysPriceFrom $1,140Free CancellationRating
7.4
3,539 reviews
Search Qatar Airways flights
IndiGoPriceFrom $1,171Free CancellationRating
6.9
471 reviews
Search IndiGo flights
Turkish AirlinesPriceFrom $1,171Free CancellationRating
7.3
3,745 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,314Free CancellationRating
8.0
3,190 reviews
Search Emirates flights
SWISSPriceFrom $1,652Free CancellationRating
7.5
1,569 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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