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Cheap flights from Washington, D.C. Dulles Intl Airport to Kathmandu from £542

IAD — KTM
31 Oct — 7 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

Tue 3/1114:30 -
1 stop34h 05m
Tue 22/1212:45 -
1 stop33h 45m
Deal found 28/9£1,063
Mon 23/1121:20 -
1 stop27h 15m
Tue 9/212:45 -
1 stop41h 25m
Deal found 26/9£1,087
Sun 29/1113:30 -
1 stop35h 05m
Thu 25/212:45 -
1 stop41h 25m
Deal found 29/9£1,108
Mon 9/1110:30 -
1 stop35h 05m
Mon 8/215:00 -
1 stop27h 55m
Deal found 26/9£1,123
Tue 1/1213:30 -
1 stop35h 05m
Tue 23/212:45 -
1 stop41h 25m
Deal found 29/9£1,127
Thu 12/1113:30 -
1 stop35h 05m
Thu 14/112:45 -
1 stop33h 45m
Deal found 28/9£1,130
Sun 18/1018:32 -
2 stops39h 53m
Sun 8/1114:55 -
2 stops31h 42m
Deal found 30/9£1,137
Sat 28/1121:20 -
1 stop27h 15m
Thu 25/212:45 -
1 stop41h 25m
Deal found 29/9£1,139
Sun 29/1121:20 -
1 stop27h 15m
Mon 22/212:45 -
1 stop33h 45m
Deal found 29/9£1,143
Fri 4/1213:30 -
1 stop35h 05m
Wed 24/212:45 -
1 stop33h 45m
Deal found 29/9£1,157
Sun 29/1121:20 -
1 stop27h 15m
Sat 20/212:45 -
1 stop33h 45m
Deal found 29/9£1,160
Fri 13/1121:20 -
1 stop27h 15m
Thu 14/112:45 -
1 stop41h 25m
Deal found 28/9£1,160

Find flight deals from Dulles Intl to Kathmandu

Round-trip from

£1,044

One-way from

£542

Popular in

June

Cheapest in

August

Average price

£1,083
Turkish Airlines
  • Turkish Airlines
  • 19/1-9/2
  • 2 total stops
  • 68h 40m total
  • Washington, D.C. to Kathmandu
Search Deals
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 (£179 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

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

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Fastest return journey

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Thu 28/1

06:00-16:10

2 stops23h 25m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

£542

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Sun 3/1

14:25-09:10

1 stop32h 00m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

£711

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Tue 10/11

14:25-09:10

1 stop32h 00m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

£711

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Sun 27/12

21:20-11:20

1 stop27h 15m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

£713

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Mon 28/12

13:30-11:20

1 stop35h 05m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

£713

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Fri 25/12

21:20-11:20

1 stop27h 15m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

£721

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Sat 2/1

14:35-09:10

1 stop31h 50m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

£734

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Fri 1/1

14:35-09:10

1 stop31h 50m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

£734

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Tue 10/11

06:00-21:30

2 stops52h 45m

Kathmandu Tribhuvan

Wed 31/12

00:00-13:30

Nonstop0h 00m

£877

Washington, D.C.Kathmandu

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

IADKTM

Washington, D.C. Dulles Intl

Sun 8/11

13:30-11:20

1 stop35h 05m

Kathmandu Tribhuvan

Thu 26/11

12:45-11:45

1 stop33h 45m

£1,063

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 21 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?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Kathmandu, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £912). Flying from Washington, D.C. Dulles Intl Airport to Kathmandu in June is currently the most expensive (average of £1,479). 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 typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to Kathmandu flights typically cost between £992 and £1,163 in January.
The cheapest return price found within the last 5 days was £1,044 on Turkish Airlines (19 Jan–9 Feb).

Related info for your journey

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

    Located just 2.5 mi from the city center, Kathmandu Tribhuvan is the airport most travelers 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?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Kathmandu in 25h 30m. Fly via Turkish Airlines, Emirates, or Qatar Airways to get the fastest option. There are 7695 mi between Washington, D.C. Dulles Intl Airport and Kathmandu. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £912). Flying from Washington, D.C. Dulles Intl Airport to Kathmandu in June is currently the most expensive (average of £1,479). 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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Certainly. Search results for flights to Kathmandu from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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