Washington, D.C.

$605+ Cheap flights from Kathmandu (KTM) to Washington, D.C. (WAS)

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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — WAS
Aug 5 — Aug 121
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Cheap flight deals from Kathmandu to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Round-trip from

$1,093
(Booking.com)

One-way from

$605
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$1,351
From Kathmandu Tribhuvan to Washington, D.C. (WAS)
One-way flight from Kathmandu Tribhuvan to Washington, D.C. (WAS)
Highest demand for flights based on searches. 7% potential increase in price ($123 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($63 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Kathmandu to Washington, D.C.

Cheapest flights from Kathmandu to Washington, D.C.
Explore the most affordable flight options available from Kathmandu to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/282:00 pmKTM - IAD
2 stops39h 30mIndiGo
Thu 9/49:40 pmIAD - KTM
2 stops29h 35mIndiGo
Deal found 7/29$1,093
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/239:00 pmKTM - IAD
1 stop20h 25mAir India
Sun 10/1211:00 amIAD - KTM
1 stop23h 20mAir India
Deal found 7/30$1,111
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Fri 9/125:30 pmKTM - IAD
2 stops32h 25mMultiple Airlines
Fri 9/196:50 pmIAD - KTM
3 stops26h 00mMultiple Airlines
Deal found 7/28$1,137
This KLM deal was found by Cheapflights users on 7/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/283:05 pmKTM - IAD
2 stops35h 45mKLM
Thu 4/165:25 pmIAD - KTM
2 stops34h 55mKLM
Deal found 7/29$1,158
This Mytrip deal was found by Cheapflights users on 7/31. 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 9/1411:45 amKTM - BWI
2 stops29h 01mMultiple Airlines
Sun 9/216:50 pmBWI - KTM
3 stops33h 30mMultiple Airlines
Deal found 7/31$1,181
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:40 amKTM - IAD
1 stop37h 50mTurkish Airlines
Mon 2/21:30 pmIAD - KTM
1 stop34h 55mTurkish Airlines
Deal found 7/31$1,292
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:00 pmKTM - DCA
2 stops35h 41mAir India
Sun 11/96:00 amDCA - KTM
2 stops23h 15mAir India
Deal found 7/31$1,453
This Qatar Airways deal was found by Cheapflights users on 7/30. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:30 amKTM - BWI
2 stops44h 57mQatar Airways
Wed 10/1511:50 amBWI - KTM
2 stops36h 40mQatar Airways
Deal found 7/30$1,627
This Singapore Airlines deal was found by Cheapflights users on 7/30. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:50 pmKTM - DCA
2 stops55h 54mSingapore Airlines
Wed 2/189:30 amDCA - KTM
2 stops49h 35mSingapore Airlines
Deal found 7/30$1,665
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:40 pmKTM - DCA
2 stops36h 46mQatar Airways
Fri 5/155:15 pmDCA - KTM
2 stops29h 50mQatar Airways
Deal found 7/29$1,767
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Tue 8/192:00 pmKTM - DCA
2 stops30h 03mMultiple Airlines
Wed 2/184:10 pmDCA - KTM
3 stops33h 30mMultiple Airlines
Deal found 7/30$1,795
This Korean Air deal was found by Cheapflights users on 7/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:20 pmKTM - BWI
2 stops30h 11mKorean Air
Sat 5/94:39 pmBWI - KTM
2 stops62h 26mKorean Air
Deal found 7/30$1,998

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington, D.C. 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 July 31, 2025.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

Fly from

Kathmandu

Fly to

Washington, D.C.

Route

Depart

Return

Price

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 8/28

2:00 pm-7:45 pm

2 stops39h 30m

Washington, D.C. Dulles Intl

Thu 9/4

9:40 pm-1:00 pm

2 stops29h 35m

$1,093

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 9/23

9:00 pm-7:40 am

1 stop20h 25m

Washington, D.C. Dulles Intl

Sun 10/12

11:00 am-8:05 pm

1 stop23h 20m

$1,111

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 9/12

5:30 pm-4:10 pm

2 stops32h 25m

Washington, D.C. Dulles Intl

Fri 9/19

6:50 pm-6:35 am

3 stops26h 00m

$1,137

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 10/28

3:05 pm-5:05 pm

2 stops35h 45m

Washington, D.C. Dulles Intl

Thu 4/16

5:25 pm-2:05 pm

2 stops34h 55m

$1,158

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Sun 9/14

11:45 am-7:01 am

2 stops29h 01m

Baltimore/Washington

Sun 9/21

6:50 pm-2:05 pm

3 stops33h 30m

$1,181

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 9/5

7:40 am-11:45 am

1 stop37h 50m

Washington, D.C. Dulles Intl

Mon 2/2

1:30 pm-11:10 am

1 stop34h 55m

$1,292

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Fri 10/17

9:00 pm-10:56 pm

2 stops35h 41m

Washington, D.C. Reagan-National

Sun 11/9

6:00 am-4:00 pm

2 stops23h 15m

$1,453

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Mon 9/15

11:30 am-10:42 pm

2 stops44h 57m

Baltimore/Washington

Wed 10/15

11:50 am-10:15 am

2 stops36h 40m

$1,627

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Mon 8/25

10:50 pm-8:59 pm

2 stops55h 54m

Washington, D.C. Reagan-National

Wed 2/18

9:30 am-9:50 pm

2 stops49h 35m

$1,665

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Sat 11/15

5:40 pm-7:41 pm

2 stops36h 46m

Washington, D.C. Reagan-National

Fri 5/15

5:15 pm-8:50 am

2 stops29h 50m

$1,767

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 30 results
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Best time to book a flight from Kathmandu to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Kathmandu 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 Kathmandu to Washington, D.C.

What is the cheapest month to book a flight from Kathmandu to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. (average of $241). Flying from Kathmandu to Washington, D.C. in March is currently the most expensive (average of $290). 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.

What is the cheapest time of day to fly from KTM to WAS?

Find hourly flight availability from Kathmandu to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

It’s typically best to fly out from Kathmandu to Washington, D.C. at noon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.

What’s the top layover airport for flights from Kathmandu to Washington, D.C.?

Share of 1-stop round-trip flights from Kathmandu to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.

Doha (DOH) – chosen by Cheapflights users on 78% of 1-stop itineraries from Kathmandu to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from Kathmandu to Washington, D.C.?

Average round-trip fare for 1-stop flights from Kathmandu to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.

Dubai (DXB) is the most affordable 1-stop option, with an average round-trip price of $1,557.

What’s the fastest layover option from Kathmandu to Washington, D.C.?

Shortest average travel time for 1-stop one-way flights from Kathmandu to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Doha (DOH) have the shortest average one-way travel time for 1-stop routes: 25h 15m.

Which airport typically offers the quickest layover for flights from Kathmandu to Washington, D.C.?

Average layover duration for 1-stop one-way flights from Kathmandu to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Doha (DOH) offer the fastest connection on this route, with an average layover time of 6h 52m.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated July 31, 2025.
See what other customers who have flown with Korean Air, Emirates, and Singapore Airlines from Kathmandu to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Washington, D.C.. 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 from for flights from Kathmandu to Washington, D.C.?

    Located just 2.5 mi from the city center, Kathmandu Tribhuvan is the airport most travelers will use when flying to Washington, D.C. from Kathmandu. Booking flights from Tribhuvan (KTM) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 5 different airlines.

  • What are the cheapest airlines flying from Kathmandu to Washington, D.C. round-trip?

    Our cheapest airline available from Kathmandu to Washington, D.C. is IndiGo. Our recent data shows that you can find tickets from as low as $1,093 on this airline. Additional options worth looking into are Air India and KLM, starting at $1,111 and $1,158 round-trip. These flights start at 30% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Kathmandu to Washington, D.C. one-way?

    The cheapest airlines for a one-way flight from Kathmandu to Washington, D.C. are IndiGo ($666), KLM ($724), and Air India ($728).

  • What are the most popular routes from Kathmandu to Washington, D.C.?

  • Where are the most common layover locations when flying from Kathmandu to Washington, D.C.?

  • What are some popular things to do or see while on a layover in Doha?

    The majority of Doha visitors spend their time at Museum of Islamic Art, Katara Cultural Village, and Aspire Tower. Travelers on a layover in Doha can visit Museum of Islamic Art, Katara Cultural Village, and Aspire Tower, by traveling 5.2 mi, 8.7 mi, and 10.6 mi, respectively after landing at Doha Hamad Intl. Travelers in need of a car in Doha can rent one for about $19 per day.

  • Where are the least popular layover locations for Kathmandu to Washington, D.C. flights?

  • Can I find deals for flights from Kathmandu to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Washington, D.C.?

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

  • Can I find deals for business class flights from Kathmandu to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Kathmandu to Washington, D.C. 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 Kathmandu to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. (average of $241). Flying from Kathmandu to Washington, D.C. in March is currently the most expensive (average of $290). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Arlington
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Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
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Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kathmandu to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Kathmandu to Washington, D.C.

Discover the top 5 airlines that operate flights from Kathmandu to Washington, D.C.. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IndiGoCheapest$947Average$1,269FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$1,220Average$1,311FlexibilityNo cancel feeOn-time77%
Air IndiaCheapest$1,239Average$2,011FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,326Average$1,482FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,509Average$1,647FlexibilityNo cancel feeOn-time75%

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