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Cheap flights from Washington, D.C. Dulles Intl Airport to Kathmandu from $447

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 4/27. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Kathmandu.
 Logo
9:00 pm - 9:50 amIAD-KTM
27h 05m2 stops
 Logo
10:50 am - 8:40 amKTM-IAD
31h 35m2 stops
$1,095
Find Deal
Thu, May 1 - Sun, Jun 29
IndiGo Logo
1:30 pm - 3:40 pmIAD-KTM
40h 25m2 stops
IndiGo Logo
4:40 pm - 7:45 pmKTM-IAD
36h 50m2 stops
$1,129IndiGo
Find Deal
Sat, May 3 - Sat, May 10
 Logo
11:00 am - 8:05 pmIAD-KTM
23h 20m1 stop
 Logo
10:55 am - 8:40 amKTM-IAD
55h 30m2 stops
$1,146
Find Deal
Sun, Apr 27 - Mon, May 12
Turkish Airlines Logo
9:40 pm - 6:15 amIAD-KTM
22h 50m1 stop
Turkish Airlines Logo
7:40 am - 7:45 pmKTM-IAD
21h 50m1 stop
$1,187Turkish Airlines
Find Deal
Tue, May 13 - 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
$1,203Air India
Find Deal
Tue, Sep 16 - Thu, Oct 16
Air India Logo
11:00 am - 8:05 pmIAD-KTM
23h 20m1 stop
Air India Logo
7:35 am - 7:40 amKTM-IAD
33h 50m1 stop
$1,210Air India
Find Deal
Fri, Sep 26 - Mon, Oct 13
Turkish Airlines Logo
1:30 pm - 6:15 amIAD-KTM
31h 00m1 stop
Turkish Airlines Logo
7:40 am - 11:45 amKTM-IAD
37h 50m1 stop
$1,268Turkish Airlines
Find Deal
Sun, May 4 - Sun, Jun 15
Qatar Airways Logo
9:00 pm - 4:45 pmIAD-KTM
34h 00m1 stop
Qatar Airways Logo
6:45 pm - 8:20 amKTM-IAD
24h 20m1 stop
$1,330Qatar Airways
Find Deal
Thu, Sep 18 - Tue, Nov 11
Qatar Airways Logo
11:00 am - 5:50 pmIAD-KTM
21h 05m1 stop
Qatar Airways Logo
6:45 pm - 9:20 amKTM-IAD
24h 20m1 stop
$1,362Qatar Airways
Find Deal
Fri, Sep 26 - Tue, Oct 28
Etihad Airways Logo
10:05 pm - 3:40 pmIAD-KTM
31h 50m1 stop
Etihad Airways Logo
4:20 pm - 4:10 pmKTM-IAD
33h 35m1 stop
$1,406Etihad Airways
Find Deal
Fri, Jul 18 - Sun, Aug 3

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
May 3
IAD1:30 pmWashington, D.C. Dulles Intl
40h 25m
2 stops
KTM3:40 pmKathmandu Tribhuvan
May 10
KTM4:40 pmKathmandu Tribhuvan
36h 50m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
IndiGo
May 6
IAD1:30 pmWashington, D.C. Dulles Intl
37h 45m
2 stops
KTM1:00 pmKathmandu Tribhuvan
May 30
KTM4:40 pmKathmandu Tribhuvan
36h 50m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
IndiGo
Apr 27
IAD9:40 pmWashington, D.C. Dulles Intl
29h 35m
2 stops
KTM1:00 pmKathmandu Tribhuvan
May 13
KTM10:50 amKathmandu Tribhuvan
42h 40m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl

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

Our best Air India deals on Washington, D.C. Dulles Intl Airport to Kathmandu flight tickets
Air India
Sep 16
IAD11:00 amWashington, D.C. Dulles Intl
33h 50m
1 stop
KTM6:35 amKathmandu Tribhuvan
Oct 16
KTM7:35 amKathmandu Tribhuvan
33h 50m
1 stop
IAD7:40 amWashington, D.C. Dulles Intl
Air India
Sep 26
IAD11:00 amWashington, D.C. Dulles Intl
23h 20m
1 stop
KTM8:05 pmKathmandu Tribhuvan
Oct 13
KTM7:35 amKathmandu Tribhuvan
33h 50m
1 stop
IAD7:40 amWashington, D.C. Dulles Intl
Air India
Apr 30
IAD11:00 amWashington, D.C. Dulles Intl
23h 20m
1 stop
KTM8:05 pmKathmandu Tribhuvan
May 20
KTM5:30 pmKathmandu Tribhuvan
23h 55m
1 stop
IAD7:40 amWashington, 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 $1,340.

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 $1,516 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 $1,310 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 36% 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

$447

Fastest flight time

17h 10m

Direct flights

None

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 $447. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Kathmandu found on momondo in the last 72 hours is $1,095.
The fastest flight from Washington, D.C. Dulles Intl Airport to Kathmandu takes 17h 10m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Kathmandu. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Kathmandu Tribhuvan Airport.
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 17h 10m.

  • 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
Air IndiaPriceFrom $1,020Free CancellationRating
5.5
2,897 reviews
Search Air India flights
Qatar AirwaysPriceFrom $1,133Free CancellationRating
7.4
3,554 reviews
Search Qatar Airways flights
KLMPriceFrom $1,135Free CancellationRating
7.8
1,329 reviews
Search KLM flights
IndiGoPriceFrom $1,179Free CancellationRating
6.8
473 reviews
Search IndiGo flights
Turkish AirlinesPriceFrom $1,182Free CancellationRating
7.3
3,767 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,316Free CancellationRating
8.0
3,200 reviews
Search Emirates flights
SWISSPriceFrom $1,652Free CancellationRating
7.5
1,580 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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