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Cheap flights from Washington, D.C. Dulles Intl Airport to Kathmandu from $410

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 3/15. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:35 pm - 12:15 pm
IAD
-
KTM
34h 55m
2 stops
Multiple Airlines Logo
10:50 am - 9:45 am
KTM
-
IAD
32h 40m
2 stops
$1,068Multiple Airlines
Thu, Mar 12 - Thu, Apr 2
Multiple Airlines Logo
3:35 pm - 9:05 am
IAD
-
KTM
31h 45m
1 stop
Multiple Airlines Logo
12:35 pm - 7:30 pm
KTM
-
IAD
40h 40m
2 stops
$1,073Multiple Airlines
Sun, Mar 8 - Mon, Mar 16
Multiple Airlines Logo
3:10 pm - 6:35 am
IAD
-
KTM
29h 40m
2 stops
Multiple Airlines Logo
1:25 pm - 9:45 am
KTM
-
IAD
30h 05m
2 stops
$1,085Multiple Airlines
Tue, May 5 - Sat, Jun 20
Multiple Airlines Logo
11:00 am - 3:40 pm
IAD
-
KTM
42h 55m
2 stops
Multiple Airlines Logo
10:50 am - 3:40 pm
KTM
-
IAD
38h 35m
2 stops
$1,090Multiple Airlines
Sun, Mar 29 - Thu, Apr 9
Multiple Airlines Logo
8:30 pm - 8:15 am
IAD
-
KTM
25h 00m
2 stops
Multiple Airlines Logo
9:40 am - 4:05 pm
KTM
-
IAD
40h 10m
2 stops
$1,094Multiple Airlines
Sat, Mar 7 - Fri, Jun 5
Multiple Airlines Logo
2:35 pm - 9:05 am
IAD
-
KTM
31h 45m
1 stop
Multiple Airlines Logo
10:50 am - 9:45 am
KTM
-
IAD
32h 40m
2 stops
$1,096Multiple Airlines
Fri, Mar 6 - Thu, Apr 23
Multiple Airlines Logo
2:30 pm - 4:10 pm
IAD
-
KTM
39h 55m
2 stops
Multiple Airlines Logo
12:35 pm - 7:30 pm
KTM
-
IAD
64h 40m
2 stops
$1,101Multiple Airlines
Tue, Mar 10 - Wed, Mar 18
Multiple Airlines Logo
3:10 pm - 9:30 am
IAD
-
KTM
32h 35m
1 stop
Multiple Airlines Logo
2:05 pm - 9:45 am
KTM
-
IAD
53h 25m
2 stops
$1,102Multiple Airlines
Wed, Apr 22 - Sun, May 3
Multiple Airlines Logo
3:10 pm - 9:30 am
IAD
-
KTM
32h 35m
1 stop
Multiple Airlines Logo
1:25 pm - 9:45 am
KTM
-
IAD
54h 05m
2 stops
$1,105Multiple Airlines
Thu, Apr 30 - Wed, May 20
Multiple Airlines Logo
3:10 pm - 9:30 am
IAD
-
KTM
32h 35m
1 stop
Multiple Airlines Logo
10:50 am - 9:45 am
KTM
-
IAD
32h 40m
2 stops
$1,106Multiple Airlines
Sun, Apr 19 - Wed, Apr 29

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

Our best Etihad Airways deals on Washington, D.C. Dulles Intl Airport to Kathmandu flight tickets
Etihad Airways
Mar 4
IAD2:35 pmWashington, D.C. Dulles Intl
31h 45m
1 stop
KTM9:05 amKathmandu Tribhuvan
Mar 17
KTM9:50 amKathmandu Tribhuvan
34h 00m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,166
Etihad Airways
Feb 24
IAD2:35 pmWashington, D.C. Dulles Intl
31h 45m
1 stop
KTM9:05 amKathmandu Tribhuvan
Mar 17
KTM9:50 amKathmandu Tribhuvan
34h 00m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,175
Etihad Airways
Feb 24
IAD2:35 pmWashington, D.C. Dulles Intl
31h 45m
1 stop
KTM9:05 amKathmandu Tribhuvan
Mar 17
KTM9:50 amKathmandu Tribhuvan
34h 00m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,185

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Kathmandu 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 February 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 3/12

3:35 pm-12:15 pm

2 stops34h 55m

Kathmandu Tribhuvan

Thu 4/2

10:50 am-9:45 am

2 stops32h 40m

$1,068

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 3/8

3:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Mon 3/16

12:35 pm-7:30 pm

2 stops40h 40m

$1,073

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 5/5

3:10 pm-6:35 am

2 stops29h 40m

Kathmandu Tribhuvan

Sat 6/20

1:25 pm-9:45 am

2 stops30h 05m

$1,085

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 3/29

11:00 am-3:40 pm

2 stops42h 55m

Kathmandu Tribhuvan

Thu 4/9

10:50 am-3:40 pm

2 stops38h 35m

$1,090

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 3/7

8:30 pm-8:15 am

2 stops25h 00m

Kathmandu Tribhuvan

Fri 6/5

9:40 am-4:05 pm

2 stops40h 10m

$1,094

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Fri 3/6

2:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Thu 4/23

10:50 am-9:45 am

2 stops32h 40m

$1,096

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 3/10

2:30 pm-4:10 pm

2 stops39h 55m

Kathmandu Tribhuvan

Wed 3/18

12:35 pm-7:30 pm

2 stops64h 40m

$1,101

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 4/22

3:10 pm-9:30 am

1 stop32h 35m

Kathmandu Tribhuvan

Sun 5/3

2:05 pm-9:45 am

2 stops53h 25m

$1,102

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 4/30

3:10 pm-9:30 am

1 stop32h 35m

Kathmandu Tribhuvan

Wed 5/20

1:25 pm-9:45 am

2 stops54h 05m

$1,105

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 4/19

3:10 pm-9:30 am

1 stop32h 35m

Kathmandu Tribhuvan

Wed 4/29

10:50 am-9:45 am

2 stops32h 40m

$1,106

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 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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Kathmandu?

What is the cheapest month to fly to Kathmandu?

The month of January is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $1,266.

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 weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,421 when searching 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 $1,285 on momondo.

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

You could potentially save up to 18% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Kathmandu flight.

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

As of February 2026, prices for Washington, D.C. Dulles Intl Airport to Kathmandu flights are approximately 8% 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

Fastest flight time

24h 30m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Kathmandu takes 24h 30m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Kathmandu. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Kathmandu.
Search flight deals

  • 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 24h 30m.

  • 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 $841Free CancellationRating
5.5
2,966 reviews
Search Air India flights
IndiGoPriceFrom $961Free CancellationRating
6.8
538 reviews
Search IndiGo flights
Turkish AirlinesPriceFrom $1,069Free CancellationRating
7.3
4,232 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,092Free CancellationRating
8.1
3,526 reviews
Search Emirates flights
Qatar AirwaysPriceFrom $1,238Free CancellationRating
7.4
3,740 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $1,293Free CancellationRating
7.4
1,411 reviews
Search Etihad Airways flights
SWISSPriceFrom $1,611Free CancellationRating
7.6
1,880 reviews
Search SWISS flights

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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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Qatar Airways
Air India
Emirates
Turkish Airlines
IndiGo
SWISS
Etihad Airways