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Kathmandu

$397+ Cheap flights from District of Columbia to Kathmandu (KTM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KTM
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from District of Columbia to Kathmandu

Cheapest flights from District of Columbia to Kathmandu
Explore the most affordable flight options available from District of Columbia to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:35 pm
IAD
-
KTM
2 stops38h 50m
Multiple Airlines
Sun 12/135:10 pm
KTM
-
IAD
2 stops50h 40m
Multiple Airlines
Deal found 2/11$1,046
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:35 pm
IAD
-
KTM
2 stops38h 50m
Multiple Airlines
Sat 3/2110:50 am
KTM
-
IAD
2 stops33h 00m
Multiple Airlines
Deal found 2/10$1,048
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:35 pm
IAD
-
KTM
2 stops38h 50m
Multiple Airlines
Fri 3/1310:50 am
KTM
-
IAD
2 stops33h 00m
Multiple Airlines
Deal found 2/10$1,050
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:35 pm
IAD
-
KTM
2 stops36h 25m
Multiple Airlines
Thu 2/262:45 pm
KTM
-
IAD
2 stops29h 05m
Multiple Airlines
Deal found 2/10$1,053
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:35 pm
IAD
-
KTM
2 stops38h 50m
Multiple Airlines
Tue 3/312:05 pm
KTM
-
IAD
2 stops29h 25m
Multiple Airlines
Deal found 2/11$1,057
This Trip.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/283:35 pm
IAD
-
KTM
2 stops32h 30m
Multiple Airlines
Fri 4/2410:50 am
KTM
-
IAD
2 stops32h 40m
Multiple Airlines
Deal found 2/9$1,065
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:30 pm
IAD
-
KTM
3 stops35h 25m
Multiple Airlines
Sat 3/147:40 am
KTM
-
IAD
3 stops33h 40m
Multiple Airlines
Deal found 2/10$1,076
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:10 pm
IAD
-
KTM
2 stops38h 45m
Multiple Airlines
Mon 10/192:05 pm
KTM
-
IAD
2 stops29h 25m
Multiple Airlines
Deal found 2/11$1,086
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:35 pm
IAD
-
KTM
1 stop31h 45m
Multiple Airlines
Tue 5/1210:50 am
KTM
-
IAD
2 stops32h 40m
Multiple Airlines
Deal found 2/10$1,098
This CheapOair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/152:30 pm
IAD
-
KTM
2 stops33h 35m
Multiple Airlines
Mon 3/3011:55 am
KTM
-
IAD
2 stops41h 20m
Multiple Airlines
Deal found 2/11$1,109
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/313:10 pm
IAD
-
KTM
1 stop32h 35m
Multiple Airlines
Wed 5/66:45 am
KTM
-
IAD
2 stops36h 45m
Multiple Airlines
Deal found 2/11$1,111
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:10 pm
IAD
-
KTM
1 stop32h 35m
Multiple Airlines
Tue 4/2110:50 am
KTM
-
IAD
2 stops32h 40m
Multiple Airlines
Deal found 2/10$1,112

Find flight deals from District of Columbia to Kathmandu

Keep the following information in mind while searching for District of Columbia to Kathmandu flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,048
(Trip.com)

One-way from

$398
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$1,302
Provider with most accurate pricing for Washington, D.C. (WAS)-Kathmandu Tribhuvan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Kathmandu Tribhuvan flights.
Search Deals
From District of Columbia to Kathmandu Tribhuvan
Search Deals
One-way flight from District of Columbia to Kathmandu Tribhuvan
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from District of Columbia to Kathmandu that are best for you.

Fly from

District of Columbia

Fly to

Kathmandu

Route

Depart

Return

Price

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 4/22

1:45 pm-9:45 pm

2 stops46h 15m

Kathmandu Tribhuvan

Tue 4/28

11:00 pm-11:57 pm

2 stops34h 42m

$1,120

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 2/23

2:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Tue 3/17

1:40 pm-10:05 am

2 stops30h 10m

$1,190

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 4/1

7:59 pm-9:45 pm

2 stops64h 01m

Kathmandu Tribhuvan

Tue 4/21

11:00 pm-11:57 pm

2 stops34h 42m

$1,202

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 2/24

2:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Mon 3/16

2:30 pm-4:55 pm

2 stops36h 10m

$1,216

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 3/7

2:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Thu 3/26

9:50 am-10:05 am

1 stop34h 00m

$1,243

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 2/22

2:35 pm-6:35 am

2 stops29h 15m

Kathmandu Tribhuvan

Tue 3/17

7:05 pm-4:55 pm

1 stop31h 35m

$1,267

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 2/22

2:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Mon 3/16

1:45 pm-9:00 am

2 stops29h 00m

$1,299

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 3/29

10:55 am-6:10 pm

2 stops45h 30m

Kathmandu Tribhuvan

Sat 4/18

1:25 pm-8:40 am

2 stops29h 00m

$1,350

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 3/14

3:35 pm-6:35 am

3 stops29h 15m

Kathmandu Tribhuvan

Fri 3/27

5:30 pm-4:55 pm

3 stops33h 10m

$1,386

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 3/14

9:05 pm-5:50 pm

1 stop35h 00m

Kathmandu Tribhuvan

Fri 3/27

9:10 am-4:55 pm

1 stop41h 30m

$1,388

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 44 results
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Best time to book a flight from District of Columbia to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Kathmandu

What is the cheapest month to book a flight from District of Columbia to Kathmandu?

Currently, August is the cheapest month in which you can book a flight from District of Columbia to Kathmandu (average of $794). Flying from District of Columbia to Kathmandu in June is currently the most expensive (average of $1,240). 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 District of Columbia to Kathmandu?

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kathmandu from District of Columbia?

    Located just 2.5 mi from the city center, Kathmandu Tribhuvan (KTM) is the airport most travelers will use when flying to Kathmandu from District of Columbia.

  • How long is the flight from District of Columbia to Kathmandu?

    A quick flight from District of Columbia to Kathmandu can take about 52h. Cathay Pacific provides one of the quickest options available for as low as $1,120. Airlines will cover a distance of 7695 mi.

  • What are the cheapest airlines to fly from District of Columbia to Kathmandu one-way?

    One-way options have recently been found by users for as low as $388 on IndiGo. Other airlines that offer cheap prices include Air India from $411 and Turkish Airlines from $485 one-way.

  • Can I find deals for flights from District of Columbia to Kathmandu that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Kathmandu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Kathmandu.

  • Can I find deals for business class flights from District of Columbia to Kathmandu?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Kathmandu?

    Currently, August is the cheapest month in which you can book a flight from District of Columbia to Kathmandu (average of $794). Flying from District of Columbia to Kathmandu in June is currently the most expensive (average of $1,240). 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

Traveling to a place near Kathmandu?

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

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Alternative routes for District of Columbia to Kathmandu

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from District of Columbia to Kathmandu

Discover the top 7 airlines that operate flights from District of Columbia to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$842Average$1,296FlexibilityNo cancel feeOn-timeN/A
IndiGoCheapest$961Average$1,288FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$1,082Average$1,508FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,092Average$1,277FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,107Average$1,625FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$1,293Average$1,664FlexibilityNo cancel feeOn-time75%
SWISSCheapest$1,611Average$1,660FlexibilityNo cancel feeOn-time79%

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