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Cheap flights from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to Kathmandu

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to Kathmandu that have been recently found on momondo from popular airlines, departing in the coming months.
 Logo
5:50 pm - 6:10 pmIAD-KTM
38h 35m2 stops
 Logo
1:25 pm - 4:00 pmKTM-IAD
36h 20m2 stops
$1,001
Find Deal
Wed, May 28 - Wed, Jun 4
 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
1:30 pm - 1:00 pmIAD-KTM
37h 45m2 stops
IndiGo Logo
10:50 am - 7:45 pmKTM-IAD
42h 40m2 stops
$1,177IndiGo
Find Deal
Sat, Sep 6 - Sat, Sep 27
Air India Logo
11:00 am - 9:05 amIAD-KTM
36h 20m1 stop
Air India Logo
2:00 pm - 7:40 amKTM-IAD
27h 25m1 stop
$1,256Air India
Find Deal
Tue, Jul 15 - Mon, Aug 11
Air India Logo
11:00 am - 6:35 amIAD-KTM
33h 50m1 stop
Air India Logo
7:35 am - 7:50 amKTM-IAD
34h 00m1 stop
$1,314Air India
Find Deal
Sat, Oct 18 - 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
$1,324Emirates
Find Deal
Mon, Aug 25 - Fri, Sep 12
Qatar Airways Logo
9:00 pm - 8:50 amIAD-KTM
26h 05m1 stop
Qatar Airways Logo
6:45 pm - 3:55 pmKTM-IAD
31h 55m1 stop
$1,351Qatar Airways
Find Deal
Sun, Sep 14 - Sun, Nov 16
Qatar Airways Logo
9:00 pm - 4:45 pmIAD-KTM
34h 00m1 stop
Qatar Airways Logo
10:05 am - 4:10 pmKTM-IAD
39h 50m1 stop
$1,356Qatar Airways
Find Deal
Mon, Sep 15 - Wed, Oct 22
Emirates Logo
10:55 am - 8:00 amIAD-KTM
35h 20m1 stop
Emirates Logo
7:25 pm - 8:40 amKTM-IAD
23h 00m1 stop
$1,391Emirates
Find Deal
Mon, Aug 25 - Wed, Sep 10

IndiGo flights from Washington, D.C. Dulles Intl Airport to Kathmandu

Our best IndiGo deals on Washington, D.C. Dulles Intl Airport to Kathmandu flight tickets
IndiGo
Aug 24
IAD9:40 pmWashington, D.C. Dulles Intl
26h 25m
2 stops
KTM9:50 amKathmandu Tribhuvan
Oct 11
KTM4:40 pmKathmandu Tribhuvan
36h 50m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
IndiGo
Sep 6
IAD1:30 pmWashington, D.C. Dulles Intl
37h 45m
2 stops
KTM1:00 pmKathmandu Tribhuvan
Sep 27
KTM10:50 amKathmandu Tribhuvan
42h 40m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
IndiGo
Sep 10
IAD9:40 pmWashington, D.C. Dulles Intl
29h 35m
2 stops
KTM1:00 pmKathmandu Tribhuvan
Sep 17
KTM4:40 pmKathmandu Tribhuvan
36h 50m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Kathmandu

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Kathmandu flight tickets
Qatar Airways
Sep 14
IAD9:00 pmWashington, D.C. Dulles Intl
26h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan
Nov 16
KTM6:45 pmKathmandu Tribhuvan
31h 55m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Qatar Airways
May 6
IAD11:00 amWashington, D.C. Dulles Intl
20h 00m
1 stop
KTM4:45 pmKathmandu Tribhuvan
May 28
KTM6:00 pmKathmandu Tribhuvan
24h 25m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
Qatar Airways
Sep 15
IAD9:00 pmWashington, D.C. Dulles Intl
34h 00m
1 stop
KTM4:45 pmKathmandu Tribhuvan
Oct 22
KTM10:05 amKathmandu Tribhuvan
39h 50m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl

See travel insights to Kathmandu from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 cheapest month to fly to Kathmandu?

The month of April is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $1,341.

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. Dulles Intl Airport. 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. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl to Kathmandu Tribhuvan flight route?

Fly from Washington, D.C. Dulles Intl to Kathmandu Tribhuvan for the best Washington, D.C. Dulles Intl - 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. Dulles Intl Airport 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. Dulles Intl Airport for as low as $1,274 on momondo.

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

There are 1 cabin classes available to choose from on Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Kathmandu flight prices changed over time?

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to Kathmandu flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Kathmandu

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Kathmandu (IAD to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport in the past 72 hours is $506. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Kathmandu found on momondo in the last 72 hours is $1,001.
The fastest flight from Washington, D.C. Dulles Intl Airport to Kathmandu takes 18h 55m
Direct flights go from Washington, D.C. Dulles Intl Airport 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. Dulles Intl to Kathmandu Tribhuvan by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Kathmandu Tribhuvan is 7693.1 mi. A reasonable flight in good conditions will take 18h 55m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Kathmandu Tribhuvan Airport.

  • What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

    The travel and health documents you'll need for your trip to Kathmandu Tribhuvan Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Kathmandu?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Kathmandu

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport 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
3,790 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,316Free CancellationRating
8.0
3,216 reviews
Search Emirates flights
SWISSPriceFrom $1,652Free CancellationRating
7.5
1,588 reviews
Search SWISS flights

Traveling to a place near Kathmandu?

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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Kathmandu?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Kathmandu. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Kathmandu with flexible booking policies on momondo?

Flights from Washington, D.C. to Kathmandu with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Kathmandu?

momondo helps you find the best flight between Washington, D.C. and Kathmandu by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Kathmandu right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Kathmandu flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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