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Cheap flights from Kathmandu to Washington, D.C. from $617

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 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kathmandu to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:05 am - 9:45 am
KTM
-
IAD
33h 25m
2 stops
Multiple Airlines Logo
3:10 pm - 6:35 am
IAD
-
KTM
29h 40m
2 stops
$1,229Multiple Airlines
Thu, Sep 10 - Sat, Oct 3
Multiple Airlines Logo
5:30 pm - 9:45 am
KTM
-
IAD
26h 00m
2 stops
Multiple Airlines Logo
3:10 pm - 4:30 pm
IAD
-
KTM
39h 35m
2 stops
$1,234Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
7:35 am - 9:45 am
KTM
-
IAD
59h 55m
2 stops
Multiple Airlines Logo
3:10 pm - 8:10 pm
IAD
-
KTM
43h 15m
2 stops
$1,234Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Qatar Airways Logo
10:05 am - 3:40 pm
KTM
-
IAD
39h 20m
1 stop
Qatar Airways Logo
9:00 pm - 8:50 am
IAD
-
KTM
26h 05m
1 stop
$1,269Qatar Airways
Wed, Sep 9 - Wed, Sep 16
Qatar Airways Logo
10:05 am - 3:40 pm
KTM
-
IAD
39h 20m
1 stop
Qatar Airways Logo
9:00 pm - 4:45 pm
IAD
-
KTM
34h 00m
1 stop
$1,272Qatar Airways
Tue, Sep 8 - Tue, Sep 15
Qatar Airways Logo
6:00 pm - 3:40 pm
KTM
-
IAD
31h 25m
1 stop
Qatar Airways Logo
9:00 pm - 2:15 pm
IAD
-
KTM
31h 30m
1 stop
$1,272Qatar Airways
Thu, Sep 10 - Thu, Sep 17
Emirates Logo
12:35 am - 8:40 am
KTM
-
IAD
41h 50m
1 stop
Emirates Logo
10:30 am - 2:00 pm
IAD
-
KTM
40h 45m
1 stop
$1,533Emirates
Thu, Oct 8 - Mon, Nov 16
Emirates Logo
12:35 am - 8:40 am
KTM
-
IAD
41h 50m
1 stop
Emirates Logo
10:30 am - 2:00 pm
IAD
-
KTM
40h 45m
1 stop
$1,537Emirates
Thu, Oct 8 - Mon, Nov 16
Turkish Airlines Logo
12:45 pm - 7:25 pm
KTM
-
IAD
41h 25m
1 stop
Turkish Airlines Logo
1:30 pm - 11:20 am
IAD
-
KTM
35h 05m
1 stop
$1,563Turkish Airlines
Fri, Nov 13 - Fri, Jan 8
Turkish Airlines Logo
8:00 am - 12:45 pm
KTM
-
IAD
38h 30m
1 stop
Turkish Airlines Logo
1:30 pm - 11:20 am
IAD
-
KTM
35h 05m
1 stop
$1,594Turkish Airlines
Sat, Oct 24 - Thu, Feb 18

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

Our best Qatar Airways deals on Kathmandu to Washington, D.C. Dulles Intl Airport flight tickets
Qatar Airways
Sep 9
KTM10:05 amKathmandu Tribhuvan
39h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Sep 16
IAD9:00 pmWashington, D.C. Dulles Intl
26h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan
$1,269
Qatar Airways
Sep 8
KTM10:05 amKathmandu Tribhuvan
39h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Sep 15
IAD9:00 pmWashington, D.C. Dulles Intl
34h 00m
1 stop
KTM4:45 pmKathmandu Tribhuvan
$1,272
Qatar Airways
Sep 2
KTM3:30 pmKathmandu Tribhuvan
27h 00m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
Jan 18
IAD8:05 pmWashington, D.C. Dulles Intl
33h 35m
1 stop
KTM4:25 pmKathmandu Tribhuvan
$1,305

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

Our best Emirates deals on Kathmandu to Washington, D.C. Dulles Intl Airport flight tickets
Emirates
Aug 4
KTM9:05 amKathmandu Tribhuvan
33h 20m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
Dec 2
IAD10:30 amWashington, D.C. Dulles Intl
26h 30m
1 stop
KTM11:45 pmKathmandu Tribhuvan
$1,560
Emirates
Aug 4
KTM9:05 amKathmandu Tribhuvan
33h 20m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
Dec 2
IAD10:30 amWashington, D.C. Dulles Intl
26h 30m
1 stop
KTM11:45 pmKathmandu Tribhuvan
$1,561
Emirates
Aug 1
KTM5:15 pmKathmandu Tribhuvan
25h 10m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
Aug 31
IAD10:55 amWashington, D.C. Dulles Intl
41h 55m
1 stop
KTM2:35 pmKathmandu Tribhuvan
$1,628

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 July 28, 2026.
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

Cheapest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 9/10

10:05 am-9:45 am

2 stops33h 25m

Washington, D.C. Dulles Intl

Sat 10/3

3:10 pm-6:35 am

2 stops29h 40m

$1,229

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 9/10

5:30 pm-9:45 am

2 stops26h 00m

Washington, D.C. Dulles Intl

Thu 9/17

3:10 pm-4:30 pm

2 stops39h 35m

$1,234

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 9/8

7:35 am-9:45 am

2 stops59h 55m

Washington, D.C. Dulles Intl

Tue 9/15

3:10 pm-8:10 pm

2 stops43h 15m

$1,234

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 9/9

10:05 am-3:40 pm

1 stop39h 20m

Washington, D.C. Dulles Intl

Wed 9/16

9:00 pm-8:50 am

1 stop26h 05m

$1,269

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 9/8

10:05 am-3:40 pm

1 stop39h 20m

Washington, D.C. Dulles Intl

Tue 9/15

9:00 pm-4:45 pm

1 stop34h 00m

$1,272
Quickest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 9/10

6:00 pm-3:40 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Thu 9/17

9:00 pm-2:15 pm

1 stop31h 30m

$1,272

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 10/8

12:35 am-8:40 am

1 stop41h 50m

Washington, D.C. Dulles Intl

Mon 11/16

10:30 am-2:00 pm

1 stop40h 45m

$1,533

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 10/8

12:35 am-8:40 am

1 stop41h 50m

Washington, D.C. Dulles Intl

Mon 11/16

10:30 am-2:00 pm

1 stop40h 45m

$1,537

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 11/13

12:45 pm-7:25 pm

1 stop41h 25m

Washington, D.C. Dulles Intl

Fri 1/8

1:30 pm-11:20 am

1 stop35h 05m

$1,563

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sat 10/24

8:00 am-12:45 pm

1 stop38h 30m

Washington, D.C. Dulles Intl

Thu 2/18

1:30 pm-11:20 am

1 stop35h 05m

$1,594

Flights are sorted by cheapest round-trip flights 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 typical price of a round-trip flight between Kathmandu and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $1,546 to $1,911.
The lowest price recently found on this route was $1,229.

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, February 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 $1,297. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,316.

How far in advance should I book a flight from Kathmandu 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 $1,500 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 $1,377 on momondo.

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

You could potentially save up to 22% 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 July 2026, prices for Kathmandu to Washington, D.C. Dulles Intl Airport flights are approximately 44% 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

Fastest flight time

26h 00m

Direct flights

None
The fastest flight from Kathmandu to Washington, D.C. Dulles Intl Airport takes 26h 00m
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

Frequently asked questions about flying from Kathmandu to Washington, D.C. Dulles Intl Airport

  • 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 26h 00m.

  • 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
Qatar AirwaysPriceFrom $1,241Free CancellationRating
7.4
3,744 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,281Free CancellationRating
7.4
4,454 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,437Free CancellationRating
8.1
3,638 reviews
Search Emirates flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Manassas
Silver Spring
Towson
Colonial Beach
Sterling
Springfield
Fairfax
Tysons

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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