Washington, D.C.

$629+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — WAS
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$1,149
(Booking.com)

One-way from

$629
(Mytrip)

Popular in

August

Cheapest in

January

Average price

$1,324
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. 6% potential increase in price ($116 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($62 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/810:50 amKTM - IAD
2 stops42h 40mIndiGo
Tue 7/151:30 pmIAD - KTM
2 stops40h 25mIndiGo
Deal found 6/10$1,149
This Trip.com deal was found by Cheapflights users on 6/12. 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 7/101:25 pmKTM - IAD
2 stops49h 30mMultiple Airlines
Thu 7/1712:00 pmIAD - KTM
2 stops44h 25mMultiple Airlines
Deal found 6/12$1,162
This CheapOair deal was found by Cheapflights users on 6/11. 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.
Thu 10/166:30 amKTM - IAD
1 stop34h 55mAir India
Sun 11/2311:00 amIAD - KTM
1 stop32h 50mAir India
Deal found 6/11$1,252
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:40 amKTM - IAD
1 stop37h 50mTurkish Airlines
Fri 2/209:10 pmIAD - KTM
1 stop27h 15mTurkish Airlines
Deal found 6/11$1,300
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/94:40 pmKTM - IAD
2 stops32h 40mKLM
Wed 3/116:35 pmIAD - KTM
2 stops29h 30mKLM
Deal found 6/10$1,307
This Korean Air deal was found by Cheapflights users on 6/10. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:20 pmKTM - IAD
1 stop25h 20mKorean Air
Sun 3/812:50 pmIAD - KTM
1 stop42h 55mKorean Air
Deal found 6/10$1,381
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:00 pmKTM - IAD
1 stop31h 25mQatar Airways
Sat 10/49:00 pmIAD - KTM
1 stop35h 05mQatar Airways
Deal found 6/10$1,391
This oojo deal was found by Cheapflights users on 6/12. 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.
Thu 7/104:20 pmKTM - IAD
1 stop33h 35mEtihad Airways
Thu 7/1710:05 pmIAD - KTM
1 stop31h 50mEtihad Airways
Deal found 6/12$1,435
This Air China deal was found by Cheapflights users on 6/10. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:55 amKTM - IAD
2 stops41h 20mAir China
Tue 2/1710:00 pmIAD - KTM
2 stops50h 20mAir China
Deal found 6/10$1,527
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:35 pmKTM - IAD
1 stop26h 50mEmirates
Mon 3/911:15 amIAD - KTM
1 stop21h 15mEmirates
Deal found 6/10$1,543
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 pmKTM - BWI
2 stops39h 44mQatar Airways
Tue 3/101:01 pmBWI - KTM
2 stops33h 29mQatar Airways
Deal found 6/10$1,655
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:05 amKTM - DCA
2 stops42h 42mQatar Airways
Sat 10/46:30 amDCA - KTM
2 stops24h 30mQatar Airways
Deal found 6/10$1,698

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 June 12, 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

Tue 7/8

10:50 am-7:45 pm

2 stops42h 40m

Washington, D.C. Dulles Intl

Tue 7/15

1:30 pm-3:40 pm

2 stops40h 25m

$1,149

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 7/10

1:25 pm-5:10 am

2 stops49h 30m

Washington, D.C. Dulles Intl

Thu 7/17

12:00 pm-6:10 pm

2 stops44h 25m

$1,162

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 10/16

6:30 am-7:40 am

1 stop34h 55m

Washington, D.C. Dulles Intl

Sun 11/23

11:00 am-6:35 am

1 stop32h 50m

$1,252

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 9/9

7:40 am-11:45 am

1 stop37h 50m

Washington, D.C. Dulles Intl

Fri 2/20

9:10 pm-11:10 am

1 stop27h 15m

$1,300

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 9/9

4:40 pm-3:35 pm

2 stops32h 40m

Washington, D.C. Dulles Intl

Wed 3/11

6:35 pm-9:50 am

2 stops29h 30m

$1,307

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 9/12

7:20 pm-10:55 am

1 stop25h 20m

Washington, D.C. Dulles Intl

Thu 3/12

12:50 pm-5:30 pm

1 stop42h 55m

$1,381

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sat 9/20

6:00 pm-3:40 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Sat 10/4

9:00 pm-5:50 pm

1 stop35h 05m

$1,391

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 7/10

4:20 pm-4:10 pm

1 stop33h 35m

Washington, D.C. Dulles Intl

Thu 7/17

10:05 pm-3:40 pm

1 stop31h 50m

$1,435

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 8/28

11:55 am-7:30 pm

2 stops41h 20m

Washington, D.C. Dulles Intl

Tue 2/17

10:00 pm-11:05 am

2 stops50h 20m

$1,527

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 9/10

3:35 pm-8:40 am

1 stop26h 50m

Washington, D.C. Dulles Intl

Mon 3/9

11:15 am-6:15 pm

1 stop21h 15m

$1,543

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 36 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 June 12, 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.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Korean Air, Emirates and Singapore Airlines from Kathmandu to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

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.

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

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.

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

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.

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

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.

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

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.

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

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 $1,149 on this airline. Additional options worth looking into are Air India and Turkish Airlines, starting at $1,252 and $1,300 round-trip. These flights start at 27% 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 ($660), Air India ($710), and Air China ($825).

  • 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 $28 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 Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
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National Harbor
Springfield
Manassas
Dundalk

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IndiGoCheapest$947Average$1,269FlexibilityNo cancel feeOn-time80%
Air IndiaCheapest$1,150Average$2,042FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$1,220Average$1,314FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,323Average$1,475FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,509Average$1,689FlexibilityNo cancel feeOn-time75%

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