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Cheap flights from Washington, D.C. Dulles Intl Airport to Kathmandu from C$ 1,011

IAD — KTM
12 Oct — 19 Oct1
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

Wed 11/111:30 p.m. -
1 stop35h 05m
Thu 17/1212:45 p.m. -
1 stop33h 45m
Deal found 8/9C$ 1,957
Mon 23/119:20 p.m. -
1 stop27h 15m
Wed 23/1212:45 p.m. -
1 stop33h 45m
Deal found 12/9C$ 2,040
Sat 28/111:30 p.m. -
1 stop35h 05m
Tue 22/1212:45 p.m. -
1 stop33h 45m
Deal found 12/9C$ 2,096
Mon 23/119:20 p.m. -
1 stop27h 15m
Mon 21/1212:45 p.m. -
1 stop33h 45m
Deal found 12/9C$ 2,103
Mon 23/119:20 p.m. -
1 stop27h 15m
Sun 20/1212:45 p.m. -
1 stop33h 45m
Deal found 12/9C$ 2,135
Tue 22/911:05 a.m. -
1 stop19h 25m
Mon 28/97:00 p.m. -
1 stop30h 25m
Deal found 10/9C$ 2,157
Sat 28/111:30 p.m. -
1 stop35h 05m
Mon 21/1212:45 p.m. -
1 stop41h 25m
Deal found 12/9C$ 2,158
Sun 13/99:00 p.m. -
1 stop26h 05m
Thu 17/93:30 p.m. -
1 stop33h 55m
Deal found 10/9C$ 2,160
Thu 29/109:05 p.m. -
1 stop33h 35m
Thu 26/119:35 a.m. -
1 stop41h 05m
Deal found 9/9C$ 2,164
Sat 28/119:20 p.m. -
1 stop27h 15m
Sun 20/1212:45 p.m. -
1 stop41h 25m
Deal found 12/9C$ 2,190
Sat 19/99:00 p.m. -
1 stop26h 05m
Thu 17/125:40 p.m. -
1 stop25h 35m
Deal found 10/9C$ 2,212

Find flight deals from Dulles Intl to Kathmandu

Round-trip from

C$ 1,957

One-way from

C$ 1,011

Popular in

June

Cheapest in

August

Average price

C$ 2,001
Turkish Airlines
  • Turkish Airlines
  • 11/11-17/12
  • 2 total stops
  • 68h 50m total
  • Washington, D.C. to Kathmandu
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28/1-31/12
  • 28/1-31/12
  • 2 total stops
  • 23h 25m total
  • Washington, D.C. to Kathmandu
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 606 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 82 potential savings vs. average RT price).
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Average for round-trip flights in September 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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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Tue 26/1

6:00 a.m.-4:10 p.m.

2 stops23h 25m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,011

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Thu 28/1

6:00 a.m.-4:10 p.m.

2 stops23h 25m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,011

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Sun 27/9

9:00 p.m.-8:50 a.m.

1 stop26h 05m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,108
Quickest round-trip

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Sat 26/9

11:05 a.m.-5:45 p.m.

1 stop20h 55m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,164

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Wed 23/9

6:42 a.m.-6:35 a.m.

3 stops38h 08m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,173

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Mon 28/9

6:35 a.m.-12:05 a.m.

3 stops31h 45m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,250

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Mon 7/12

1:30 p.m.-11:20 a.m.

1 stop35h 05m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,271

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Sat 28/11

1:30 p.m.-11:20 a.m.

1 stop35h 05m

Kathmandu Tribhuvan

Tue 22/12

12:45 p.m.-11:45 a.m.

1 stop33h 45m

C$ 2,096

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Sat 30/1

9:20 p.m.-11:20 a.m.

1 stop27h 15m

Kathmandu Tribhuvan

Tue 23/2

12:45 p.m.-7:25 p.m.

1 stop41h 25m

C$ 2,096

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Mon 7/12

12:35 p.m.-9:50 p.m.

3 stops46h 30m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 2,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 20 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 round-trip 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?

Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Kathmandu. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 C$ 1,678). Flying from Washington, D.C. Dulles Intl Airport to Kathmandu in June is currently the most expensive (average of C$ 2,720). 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 to fly round-trip 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 C$ 1,967 and C$ 2,099 in November.
The cheapest round-trip price found within the last 5 days was C$ 1,957 on Turkish Airlines (11 Nov-17 Dec).

Related info for your journey

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

    Located just 4.1 km from the city centre, Kathmandu Tribhuvan is the airport most travellers will use when flying to Kathmandu from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Tribhuvan (KTM) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Kathmandu can take about 19h 25m. Turkish Airlines provides one of the quickest options available for as low as C$ 2,157. There are 12384 km between Washington, D.C. Dulles Intl Airport and Kathmandu. When browsing for deals, the options you’ll see will be for both direct flights and flights with 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 vacation 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 C$ 1,678). Flying from Washington, D.C. Dulles Intl Airport to Kathmandu in June is currently the most expensive (average of C$ 2,720). 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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Need flexible booking options for your flight to Kathmandu from Dulles Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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