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$417+ Cheap flights from Washington, D.C. (WAS) 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — KTM
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Kathmandu Tribhuvan are usually found in August or October, booked 88 days in advance, depart on a Monday or Tuesday and return on a Thursday

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Kathmandu (KTM). 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 November 19, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$1,129
(Mytrip)

One-way from

$417
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$1,552
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 Washington, D.C. (WAS) to Kathmandu Tribhuvan
Search Deals
One-way flight from Washington, D.C. (WAS) to Kathmandu Tribhuvan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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

Cheapest flights from Washington, D.C. to Kathmandu
Explore the most affordable flight options available from Washington, D.C. to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 19, 2025.

This Mytrip deal was found by Cheapflights users on 11/17. 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.
Mon 12/16:10 pmIAD - KTM
3 stops32h 35mMultiple Airlines
Wed 12/35:10 pmKTM - IAD
2 stops33h 05mMultiple Airlines
Deal found 11/17$1,146
This Mytrip deal was found by Cheapflights users on 11/18. 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 11/286:10 pmIAD - KTM
3 stops30h 55mMultiple Airlines
Wed 12/102:30 pmKTM - IAD
3 stops35h 45mMultiple Airlines
Deal found 11/18$1,154
This Mytrip deal was found by Cheapflights users on 11/18. 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 11/255:30 pmIAD - KTM
3 stops33h 40mMultiple Airlines
Tue 12/210:50 amKTM - IAD
2 stops32h 15mMultiple Airlines
Deal found 11/18$1,191
This Mytrip deal was found by Cheapflights users on 11/17. 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.
Sat 12/612:00 pmIAD - KTM
3 stops32h 15mMultiple Airlines
Thu 12/181:45 pmKTM - IAD
2 stops30h 05mMultiple Airlines
Deal found 11/17$1,215
This oojo deal was found by Cheapflights users on 11/17. 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 11/266:51 amDCA - KTM
2 stops51h 54mCathay Pacific
Wed 12/1710:55 pmKTM - DCA
2 stops32h 35mCathay Pacific
Deal found 11/17$1,219
This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:40 amIAD - KTM
1 stop19h 00mMultiple Airlines
Tue 11/251:40 pmKTM - IAD
2 stops37h 00mMultiple Airlines
Deal found 11/19$1,224
This Mytrip deal was found by Cheapflights users on 11/17. 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.
Wed 11/266:10 pmIAD - KTM
3 stops25h 40mMultiple Airlines
Wed 12/171:45 pmKTM - IAD
2 stops30h 05mMultiple Airlines
Deal found 11/17$1,225
This Trip.com deal was found by Cheapflights users on 11/19. 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.
Mon 12/298:05 pmIAD - KTM
2 stops33h 20mMultiple Airlines
Thu 2/51:15 pmKTM - IAD
2 stops29h 50mMultiple Airlines
Deal found 11/19$1,237
This Mytrip deal was found by Cheapflights users on 11/17. 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.
Sat 12/612:00 pmIAD - KTM
3 stops32h 15mMultiple Airlines
Sun 12/212:00 pmKTM - IAD
2 stops29h 50mMultiple Airlines
Deal found 11/17$1,245
This Cathay Pacific deal was found by Cheapflights users on 11/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:45 amDCA - KTM
2 stops49h 00mCathay Pacific
Mon 12/2210:55 pmKTM - DCA
2 stops30h 47mCathay Pacific
Deal found 11/17$1,282
This Cathay Pacific deal was found by Cheapflights users on 11/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:38 pmDCA - KTM
2 stops40h 07mCathay Pacific
Thu 12/1810:55 pmKTM - DCA
2 stops30h 47mCathay Pacific
Deal found 11/17$1,339
This oojo deal was found by Cheapflights users on 11/18. 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 11/289:45 amDCA - KTM
2 stops49h 00mCathay Pacific
Wed 12/1010:55 pmKTM - DCA
2 stops32h 34mCathay Pacific
Deal found 11/18$1,354

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 November 19, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Kathmandu that are best for you.

Fly from

Washington, D.C.

Fly to

Kathmandu

Route

Depart

Return

Price

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 4/12

5:59 pm-9:45 pm

2 stops66h 01m

Kathmandu Tribhuvan

Tue 5/5

11:00 pm-10:15 pm

2 stops33h 00m

$1,226

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 2/16

6:35 pm-9:30 pm

2 stops40h 10m

Kathmandu Tribhuvan

Wed 3/25

10:55 pm-8:41 pm

2 stops31h 31m

$1,241

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 1/20

9:35 am-9:30 pm

2 stops49h 10m

Kathmandu Tribhuvan

Mon 1/26

10:55 pm-6:44 pm

2 stops30h 34m

$1,282

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 1/22

9:35 am-9:30 pm

2 stops49h 10m

Kathmandu Tribhuvan

Tue 1/27

10:55 pm-6:44 pm

2 stops30h 34m

$1,282

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 1/22

9:35 am-9:30 pm

2 stops49h 10m

Kathmandu Tribhuvan

Mon 1/26

10:55 pm-6:44 pm

2 stops30h 34m

$1,282

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 3/19

5:30 pm-9:30 pm

2 stops42h 15m

Kathmandu Tribhuvan

Tue 3/31

11:00 pm-8:41 pm

2 stops31h 26m

$1,326

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Fri 1/23

9:35 am-9:30 pm

2 stops49h 10m

Kathmandu Tribhuvan

Tue 1/27

10:55 pm-6:44 pm

2 stops30h 34m

$1,332

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sat 1/24

9:45 am-9:30 pm

2 stops49h 00m

Kathmandu Tribhuvan

Wed 1/28

10:55 pm-6:44 pm

2 stops30h 34m

$1,332

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 1/15

10:30 am-10:20 am

2 stops37h 05m

Kathmandu Tribhuvan

Wed 1/21

11:20 am-8:10 am

2 stops31h 35m

$1,338

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sat 1/24

9:45 am-9:30 pm

2 stops49h 00m

Kathmandu Tribhuvan

Thu 1/29

10:55 pm-6:44 pm

2 stops30h 34m

$1,389

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 60 results
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Compare providers for flights from Washington, D.C. to Kathmandu

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Kathmandu in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Kathmandu flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Washington, D.C.-Kathmandu flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Kathmandu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Kathmandu flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Kathmandu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Kathmandu

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

How far ahead should I book a flight from Washington, D.C. to Kathmandu?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Kathmandu. Price data was last updated on November 14, 2025.

The best time to book flights from Washington, D.C. to Kathmandu is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Kathmandu (average of $791). Flying from Washington, D.C. to Kathmandu in June is currently the most expensive (average of $1,227). 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 WAS to KTM?

Find hourly flight availability from Washington, D.C. to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 19, 2025.

It’s typically best to fly out from Washington, D.C. to Kathmandu in the evening. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Washington, D.C. to Kathmandu?

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

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

Doha (DOH) – chosen by Cheapflights users on 55% of 1-stop itineraries from Washington, D.C. to Kathmandu on Cheapflights.

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

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

Doha (DOH) is the most affordable 1-stop option, with an average round-trip price of $1,186.

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

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

Flights via New Delhi (DEL) have the shortest average one-way travel time for 1-stop routes: 19h 49m.

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

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

Flights via New Delhi (DEL) offer the fastest connection on this route, with an average layover time of 4h 37m.

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. 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 Kathmandu. Reviews last updated November 19, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Kathmandu, such as Emirates, Qatar Airways, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,417 reviews

Crew

8.3

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Emirates
8.1
Very good
3,417 reviews
Emirates
8.1
Very good
3,417 reviews

Crew

8.3

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Qatar Airways
7.4
Good
3,664 reviews
Emirates
8.1
Very good
3,417 reviews

Crew

8.3

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Turkish Airlines
7.3
Good
4,047 reviews
Emirates
8.1
Very good
3,417 reviews

Crew

8.3

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
IndiGo
6.9
Okay
497 reviews
Emirates
8.1
Very good
3,417 reviews

Crew

8.3

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Air India
5.5
Fair
2,943 reviews
Emirates
8.1
Very good
3,417 reviews

Crew

8.3

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

Related info for your journey

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

    If you book a flight to Kathmandu from Washington, D.C., you will be flying to Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 2.5 mi from the center of Kathmandu. There are 0 flights from Washington, D.C. to Tribhuvan per day from 7 different airlines.

  • How long is the flight from Washington, D.C. to Kathmandu?

    For as low as $1,478, Cathay Pacific can have you in Kathmandu from Washington, D.C. in 26h 15m. The distance between Washington, D.C. and Kathmandu is about 7695 mi. This flight may include one or multiple stops.

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

    Air India, at $863, was found to be the cheapest airline from Washington, D.C. to Kathmandu.Alternate airlines to your destination round-trip include IndiGo and Emirates. You may be able to fly from Washington, D.C. to Kathmandu for 40% less than the average price by searching for these airlines.

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

    For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $490. Users have also found prices from $631 and $680 on Qatar Airways and Cathay Pacific, respectively.

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

    When deciding which route to take from Washington, D.C. to Kathmandu consider Washington, D.C. Dulles Intl - Kathmandu Tribhuvan, Washington, D.C. Reagan-National - Kathmandu Tribhuvan or Baltimore/Washington - Kathmandu Tribhuvan as they are the most popular.

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

    Most of the time, Washington, D.C. to Kathmandu flights that have layovers will stop in Doha. New Delhi sees the next most layovers on Washington, D.C. to Kathmandu flights.

  • What are some popular points of interest to see during a layover in New Delhi?

    Most New Delhi visitors opt to spend their time at Karol Bagh, Lajpat Nagar Central Market, and Gurudwara Bangla Sahib. Karol Bagh, Lajpat Nagar Central Market and Gurudwara Bangla Sahib are located about 8.7 mi, 8.7 mi, and 8.2 mi, respectively from New Delhi Indira Gandhi Intl if you are interested in checking them out. Travelers in need of a car in New Delhi can rent one for about $75 per day.

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

    The least popular layover on flights from Washington, D.C. to Kathmandu is Dubai. Istanbul is the second least popular location for layovers on flights from Washington, D.C. to Kathmandu.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Kathmandu (average of $791). Flying from Washington, D.C. to Kathmandu in June is currently the most expensive (average of $1,227). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Kathmandu

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Kathmandu flights
Reagan-National to Kathmandu flights

Top 7 airlines flying from Washington, D.C. to Kathmandu

Discover the top 7 airlines that operate flights from Washington, D.C. 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$863Average$1,353FlexibilityNo cancel feeOn-timeN/A
IndiGoCheapest$989Average$1,316FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$1,092Average$1,282FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$1,179Average$1,589FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,222Average$1,680FlexibilityNo cancel feeOn-time68%
SWISSCheapest$1,324Average$1,652FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$1,403Average$1,597FlexibilityNo cancel feeOn-time75%

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