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Cheap flights from Kathmandu to Washington, D.C. from $550

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 10/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:25 am - 3:55 pmKTM-IAD
41h 15m2 stops
Multiple Airlines Logo
10:40 am - 8:25 amIAD-KTM
35h 00m2 stops
$992Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
4:40 pm - 3:30 pmKTM-IAD
33h 35m3 stops
Multiple Airlines Logo
1:30 pm - 8:25 amIAD-KTM
32h 10m2 stops
$1,017Multiple Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 11
Multiple Airlines Logo
1:45 pm - 8:20 amKTM-IAD
29h 20m2 stops
Multiple Airlines Logo
9:00 pm - 8:05 pmIAD-KTM
37h 20m2 stops
$1,038Multiple Airlines
Find Deal
Thu, Dec 18 - Wed, May 13
Multiple Airlines Logo
4:40 pm - 3:30 pmKTM-IAD
33h 35m2 stops
Multiple Airlines Logo
1:30 pm - 8:25 amIAD-KTM
32h 10m2 stops
$1,039Multiple Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 11
IndiGo Logo
2:05 pm - 7:20 pmKTM-IAD
40h 00m2 stops
IndiGo Logo
1:30 pm - 8:25 amIAD-KTM
32h 10m2 stops
$1,083IndiGo
Find Deal
Wed, Dec 10 - Tue, Dec 30
KLM Logo
4:40 pm - 4:35 pmKTM-IAD
34h 40m2 stops
KLM Logo
5:50 pm - 9:50 amIAD-KTM
30h 15m2 stops
$1,091KLM
Find Deal
Sun, Dec 7 - Tue, Jun 2
KLM Logo
4:40 pm - 4:35 pmKTM-IAD
34h 40m2 stops
KLM Logo
5:50 pm - 9:50 amIAD-KTM
30h 15m2 stops
$1,142KLM
Find Deal
Mon, Nov 24 - Sun, May 10
Turkish Airlines Logo
12:35 pm - 11:45 amKTM-IAD
33h 55m1 stop
Turkish Airlines Logo
1:30 pm - 11:10 amIAD-KTM
34h 55m1 stop
$1,302Turkish Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 30
Turkish Airlines Logo
12:35 pm - 11:45 amKTM-IAD
33h 55m1 stop
Turkish Airlines Logo
1:30 pm - 11:10 amIAD-KTM
34h 55m1 stop
$1,303Turkish Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 30
Korean Air Logo
7:20 pm - 9:50 amKTM-IAD
25h 15m1 stop
Korean Air Logo
1:15 pm - 4:50 pmIAD-KTM
41h 50m1 stop
$1,358Korean Air
Find Deal
Sat, Dec 20 - Thu, May 14

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

Our best KLM deals on Kathmandu to Washington, D.C. Dulles Intl Airport flight tickets
KLM
Dec 7
KTM4:40 pmKathmandu Tribhuvan
34h 40m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
Jun 2
IAD5:50 pmWashington, D.C. Dulles Intl
30h 15m
2 stops
KTM9:50 amKathmandu Tribhuvan
$1,091
Find similar
KLM
Nov 24
KTM4:40 pmKathmandu Tribhuvan
34h 40m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
May 10
IAD5:50 pmWashington, D.C. Dulles Intl
30h 15m
2 stops
KTM9:50 amKathmandu Tribhuvan
$1,142
Find similar
KLM
Nov 23
KTM4:40 pmKathmandu Tribhuvan
34h 40m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
May 9
IAD6:30 pmWashington, D.C. Dulles Intl
29h 35m
2 stops
KTM9:50 amKathmandu Tribhuvan
$1,143
Find similar

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

Our best Turkish Airlines deals on Kathmandu to Washington, D.C. Dulles Intl Airport flight tickets
Turkish Airlines
Dec 10
KTM12:35 pmKathmandu Tribhuvan
33h 55m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Dec 30
IAD1:30 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
KTM11:10 amKathmandu Tribhuvan
$1,302
Find similar
Turkish Airlines
Dec 10
KTM12:35 pmKathmandu Tribhuvan
33h 55m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Dec 30
IAD1:30 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
KTM11:10 amKathmandu Tribhuvan
$1,303
Find similar
Turkish Airlines
Jan 17
KTM12:35 pmKathmandu Tribhuvan
33h 55m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Apr 11
IAD9:40 pmWashington, D.C. Dulles Intl
22h 40m
1 stop
KTM6:05 amKathmandu Tribhuvan
$1,305
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 20, 2025.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 12/3

9:25 am-3:55 pm

2 stops41h 15m

Washington, D.C. Dulles Intl

Wed 12/10

10:40 am-8:25 am

2 stops35h 00m

$992

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 11/3

4:40 pm-3:30 pm

3 stops33h 35m

Washington, D.C. Dulles Intl

Tue 11/11

1:30 pm-8:25 am

2 stops32h 10m

$1,017

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 12/18

1:45 pm-8:20 am

2 stops29h 20m

Washington, D.C. Dulles Intl

Wed 5/13

9:00 pm-8:05 pm

2 stops37h 20m

$1,038

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 11/3

4:40 pm-3:30 pm

2 stops33h 35m

Washington, D.C. Dulles Intl

Tue 11/11

1:30 pm-8:25 am

2 stops32h 10m

$1,039

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 12/10

2:05 pm-7:20 pm

2 stops40h 00m

Washington, D.C. Dulles Intl

Tue 12/30

1:30 pm-8:25 am

2 stops32h 10m

$1,083

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 12/7

4:40 pm-4:35 pm

2 stops34h 40m

Washington, D.C. Dulles Intl

Tue 6/2

5:50 pm-9:50 am

2 stops30h 15m

$1,091

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 11/24

4:40 pm-4:35 pm

2 stops34h 40m

Washington, D.C. Dulles Intl

Sun 5/10

5:50 pm-9:50 am

2 stops30h 15m

$1,142

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 12/10

12:35 pm-11:45 am

1 stop33h 55m

Washington, D.C. Dulles Intl

Tue 12/30

1:30 pm-11:10 am

1 stop34h 55m

$1,302

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 12/10

12:35 pm-11:45 am

1 stop33h 55m

Washington, D.C. Dulles Intl

Tue 12/30

1:30 pm-11:10 am

1 stop34h 55m

$1,303

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sat 12/20

7:20 pm-9:50 am

1 stop25h 15m

Washington, D.C. Dulles Intl

Thu 5/14

1:15 pm-4:50 pm

1 stop41h 50m

$1,358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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 Washington, D.C. Dulles Intl Airport?

In general, May is the cheapest month to fly from Kathmandu to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,396. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,417.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Tuesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,401. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Kathmandu to Washington, D.C. Dulles Intl Airport for around $1,602.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Kathmandu at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,269 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,557 on average. Flights to Washington, D.C. Dulles Intl Airport from Kathmandu in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,528 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Kathmandu for as low as $1,339 on momondo.

Can stopping save me money on Kathmandu to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 19% on your flight if you consider stops on a Kathmandu to Washington, D.C. Dulles Intl Airport flight.

How have Kathmandu to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of October 2025, prices for Kathmandu to Washington, D.C. Dulles Intl Airport flights are approximately 8% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kathmandu to Washington, D.C. Dulles Intl Airport (KTM to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C. Dulles Intl Airport

Direct flights

None
There are no direct flights from Kathmandu to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Kathmandu to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Kathmandu Tribhuvan to Washington, D.C. Dulles Intl by plane?

    Kathmandu Tribhuvan and Washington, D.C. Dulles Intl are 7693.1 mi apart from one another. A reasonable flight in good conditions will take 25h 15m.

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

    Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Kathmandu to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IndiGoPriceFrom $947Free CancellationRating
6.9
487 reviews
Search IndiGo flights
Air IndiaPriceFrom $1,150Free CancellationRating
5.5
2,937 reviews
Search Air India flights
Turkish AirlinesPriceFrom $1,227Free CancellationRating
7.3
4,022 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,327Free CancellationRating
7.4
3,651 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,509Free CancellationRating
8.1
3,380 reviews
Search Emirates flights

Traveling to a place near Washington, D.C.?

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Gaithersburg
Glen Burnie

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Kathmandu.

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

Yes. All flights to Washington, D.C. from Kathmandu on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Kathmandu to Washington, D.C. 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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