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Cheap flights from Washington, D.C. Dulles Intl Airport to Kathmandu from ₹ 68,224

IAD — KTM
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Kathmandu

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Kathmandu

Sat 28/1110:35 -
1 stop33h 15m
Thu 28/119:40 -
1 stop23h 40m
Deal found 20/10₹ 146,128
Sun 15/1110:35 -
1 stop40h 40m
Thu 29/419:55 -
1 stop22h 30m
Deal found 19/10₹ 147,456
Thu 3/1213:30 -
1 stop35h 05m
Thu 24/1212:45 -
1 stop41h 25m
Deal found 19/10₹ 150,208
Fri 13/1110:35 -
1 stop33h 15m
Tue 27/409:05 -
1 stop33h 20m
Deal found 19/10₹ 152,200
Sun 15/1110:35 -
1 stop40h 40m
Sun 25/415:35 -
1 stop26h 50m
Deal found 19/10₹ 152,865
Sat 14/1120:05 -
1 stop33h 25m
Wed 28/418:00 -
1 stop31h 25m
Deal found 19/10₹ 155,616
Sat 14/1120:05 -
1 stop33h 25m
Fri 23/410:05 -
1 stop39h 20m
Deal found 19/10₹ 155,901
Wed 18/1121:20 -
1 stop27h 15m
Fri 23/407:30 -
1 stop37h 45m
Deal found 19/10₹ 156,091
Sun 25/1011:30 -
1 stop20h 30m
Sun 6/1215:50 -
1 stop34h 50m
Deal found 23/10₹ 156,186
Mon 26/1021:05 -
1 stop34h 55m
Sun 6/1215:50 -
1 stop34h 50m
Deal found 23/10₹ 156,375
Fri 13/1110:35 -
1 stop33h 15m
Sun 25/419:55 -
1 stop22h 30m
Deal found 19/10₹ 157,609

Find flight deals from Dulles Intl to Kathmandu

Round-trip from

₹ 120,413

One-way from

₹ 68,224

Popular in

June

Cheapest in

August

Average price

₹ 137,398
Turkish Airlines
  • Turkish Airlines
  • 18/1-9/2
  • 2 total stops
  • 68h 40m total
  • Washington, D.C. to Kathmandu
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28/1-31/12
  • 28/1-31/12
  • 2 total stops
  • 27h 55m total
  • Washington, D.C. to Kathmandu
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (₹ 2,762,614 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 364,420 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kathmandu that are best for you.

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Price

Cheapest return flight

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Thu 28/1

06:00-20:40

2 stops27h 55m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 68,224

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Wed 25/11

21:20-11:20

1 stop27h 15m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 86,917

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Tue 8/12

14:25-09:10

1 stop32h 00m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 98,968

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Sat 30/1

13:30-11:20

1 stop35h 05m

Kathmandu Tribhuvan

Wed 3/3

12:45-19:25

1 stop41h 25m

₹ 125,822

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Tue 5/1

22:15-06:35

3 stops45h 35m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 135,310
Fastest return journey

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Sun 29/11

17:45-06:35

3 stops26h 05m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 135,310

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Sat 31/10

21:05-21:45

2 stops62h 55m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 138,916

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Sun 31/1

10:35-18:40

1 stop21h 20m

Kathmandu Tribhuvan

Fri 5/3

19:40-08:35

1 stop23h 40m

₹ 141,383

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Wed 3/2

10:35-08:20

1 stop35h 00m

Kathmandu Tribhuvan

Sun 28/2

09:20-08:35

1 stop34h 00m

₹ 146,792

Washington, D.C.Kathmandu

IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan

IADKTM

Washington, D.C. Dulles Intl

Wed 3/2

10:35-18:40

1 stop21h 20m

Kathmandu Tribhuvan

Sun 7/2

19:40-08:35

1 stop23h 40m

₹ 146,792

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Dulles Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Kathmandu

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu?

The best time to book flights from Washington, D.C. Dulles Intl Airport to Kathmandu is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu (average of ₹ 105,610). Flying from Washington, D.C. Dulles Intl Airport to Kathmandu in June is currently the most expensive (average of ₹ 185,696). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Kathmandu?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Kathmandu flights typically cost between ₹ 128,383 and ₹ 152,011 in January.
The cheapest return price found within the last 5 days was ₹ 120,413 on Turkish Airlines (18 Jan–9 Feb).

Related info for your journey

  • What airport do you fly into for flights to Kathmandu from Washington, D.C. Dulles Intl?

    Kathmandu Tribhuvan (KTM) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Kathmandu. You should not have trouble finding flights to Tribhuvan from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Kathmandu airport from Washington, D.C. Dulles Intl. It is only a 4.1 km journey from Tribhuvan (KTM) to Kathmandu’s city centre.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Kathmandu?

    Departing from Washington, D.C. Dulles Intl Airport to Kathmandu will take you 21h 20m. Airlines will cover a distance of 12384 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Dulles Intl to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Kathmandu.

  • Can I find deals for business class flights from Dulles Intl to Kathmandu?

    Yes. Cheapflights offers flight deals from Dulles Intl to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu (average of ₹ 105,610). Flying from Washington, D.C. Dulles Intl Airport to Kathmandu in June is currently the most expensive (average of ₹ 185,696). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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