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$547+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — KTM
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Washington, D.C. to Kathmandu Tribhuvan are usually found in September or February, booked 48 days in advance, depart on a Tuesday or Friday 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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,220
(Kiwi.com)

One-way from

$547
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,348
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. 6% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
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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 January 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/1810:00 amIAD - KTM
1 stop21h 50mMultiple Airlines
Thu 3/131:45 pmKTM - IAD
1 stop27h 50mMultiple Airlines
Deal found 1/20$1,220
This FlightHub deal was found by Cheapflights users on 1/20. 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.
Sun 8/1711:15 amIAD - KTM
1 stop36h 05mAir India
Fri 8/295:15 pmKTM - IAD
1 stop23h 45mAir India
Deal found 1/20$1,221
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/512:35 pmIAD - KTM
1 stop31h 40mTurkish Airlines
Sun 9/217:25 amKTM - IAD
1 stop37h 10mTurkish Airlines
Deal found 1/20$1,252
This oojo deal was found by Cheapflights users on 1/20. 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.
Tue 1/288:05 pmIAD - KTM
1 stop27h 40mQatar Airways
Tue 2/1111:45 amKTM - IAD
1 stop31h 20mQatar Airways
Deal found 1/20$1,285
This eDestinos deal was found by Cheapflights users on 1/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/49:25 pmIAD - KTM
2 stops28h 50mIndiGo
Sat 3/223:05 pmKTM - IAD
2 stops39h 10mIndiGo
Deal found 1/20$1,324
This Indian Eagle deal was found by Cheapflights users on 1/20. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:55 amIAD - KTM
1 stop21h 40mEmirates
Mon 9/227:20 pmKTM - IAD
1 stop23h 05mEmirates
Deal found 1/20$1,331
This Singapore Airlines deal was found by Cheapflights users on 1/20. 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 9/85:50 pmBWI - KTM
2 stops42h 10mSingapore Airlines
Mon 9/2211:00 pmKTM - BWI
2 stops51h 32mSingapore Airlines
Deal found 1/20$1,577
This oojo deal was found by Cheapflights users on 1/20. 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.
Tue 1/289:45 amDCA - KTM
2 stops38h 00mQatar Airways
Tue 2/1111:45 amKTM - DCA
2 stops41h 00mQatar Airways
Deal found 1/20$1,587
This KAYAK deal was found by Cheapflights users on 1/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:30 amDCA - KTM
2 stops50h 30mSingapore Airlines
Wed 8/2711:00 pmKTM - DCA
2 stops55h 40mSingapore Airlines
Deal found 1/21$1,598
This Singapore Airlines deal was found by Cheapflights users on 1/20. 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 9/85:50 pmBWI - KTM
2 stops42h 10mMultiple Airlines
Mon 9/2211:00 pmKTM - BWI
3 stops41h 31mMultiple Airlines
Deal found 1/20$1,601
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/56:50 amDCA - KTM
3 stops25h 40mMultiple Airlines
Mon 2/1712:20 pmKTM - DCA
3 stops31h 22mMultiple Airlines
Deal found 1/19$1,725
This oojo deal was found by Cheapflights users on 1/21. 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.
Mon 2/178:04 amBWI - KTM
2 stops45h 56mQatar Airways
Sun 4/139:55 amKTM - BWI
2 stops45h 46mQatar Airways
Deal found 1/21$1,744

Find flights from Washington, D.C. to Kathmandu within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 2/18

10:00 am-6:35 pm

1 stop21h 50m

Kathmandu Tribhuvan

Thu 3/13

1:45 pm-7:50 am

1 stop27h 50m

$1,220

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 2/16

10:00 am-2:45 pm

1 stop18h 00m

Kathmandu Tribhuvan

Mon 3/17

2:55 pm-7:50 am

1 stop26h 40m

$1,267

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 1/28

8:05 pm-10:30 am

1 stop27h 40m

Kathmandu Tribhuvan

Tue 2/11

11:45 am-8:20 am

1 stop31h 20m

$1,285

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 3/4

9:25 pm-1:00 pm

2 stops28h 50m

Kathmandu Tribhuvan

Sat 3/22

3:05 pm-8:30 pm

2 stops39h 10m

$1,324

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 3/2

10:30 am-4:05 pm

2 stops42h 50m

Kathmandu Tribhuvan

Fri 7/4

10:00 am-8:40 am

1 stop32h 25m

$1,385

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 1/28

9:45 am-10:30 am

2 stops38h 00m

Kathmandu Tribhuvan

Tue 2/11

11:45 am-6:00 pm

2 stops41h 00m

$1,587

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Fri 2/7

7:30 pm-11:00 am

3 stops28h 45m

Kathmandu Tribhuvan

Sun 2/16

12:20 pm-9:33 am

3 stops31h 58m

$1,616

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 2/5

6:50 am-7:15 pm

3 stops25h 40m

Kathmandu Tribhuvan

Mon 2/17

12:20 pm-8:57 am

3 stops31h 22m

$1,725

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Wed 2/26

12:30 pm-10:30 am

2 stops35h 15m

Kathmandu Tribhuvan

Mon 4/14

9:55 am-10:13 pm

2 stops46h 03m

$1,747

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 2/23

9:21 am-7:45 pm

2 stops47h 39m

Kathmandu Tribhuvan

Wed 3/12

9:00 pm-9:29 am

2 stops46h 14m

$1,795

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 36 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Kathmandu flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Washington, D.C. to Kathmandu

Get recent, data-driven insights about flights from Washington, D.C. to Kathmandu including ideal travel times, pricing trends, and more.

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 January 17, 2025.

The best time to book flights from Washington, D.C. to Kathmandu is 48 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Kathmandu (average of $1,237). Flying from Washington, D.C. to Kathmandu in June is currently the most expensive (average of $1,998). 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 January 21, 2025.

It’s typically best to fly out from Washington, D.C. to Kathmandu in the morning. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. to Kathmandu?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Kathmandu. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Kathmandu flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kathmandu ranges from 0.0 - 14.6 inches per month. July is typically the wettest month, when rainfall can reach 14.6 in. November is typically the driest time to visit Kathmandu when rainfall is around 0.0 in.

Temperature in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kathmandu, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

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 January 21, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Kathmandu, such as Singapore Airlines, Qatar Airways and Emirates. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,358 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

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
3,358 reviews
Emirates
8.1
Very good
3,358 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

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.

Singapore Airlines
8.1
Very good
1,328 reviews
Emirates
8.1
Very good
3,358 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

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
7.5
Good
3,754 reviews
Emirates
8.1
Very good
3,358 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

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.

Cathay Pacific
7.5
Good
830 reviews
Emirates
8.1
Very good
3,358 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

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.

Etihad Airways
7.4
Good
1,199 reviews
Emirates
8.1
Very good
3,358 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

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.

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

    Air India, at $1,267, was found to be the cheapest airline from Washington, D.C. to Kathmandu.Alternate airlines to your destination round-trip include Qatar Airways and IndiGo. You may be able to fly from Washington, D.C. to Kathmandu for 15% 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 Air India. According to our data, you can fly for as low as $566. Users have also found prices from $581 and $636 on IndiGo and Etihad Airways, 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 things to do or see while on a layover in Doha?

    Doha travelers tend to visit Museum of Islamic Art, Katara Cultural Village, and Aspire Tower more than anywhere else. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower are located about 5.2 mi, 8.7 mi, and 10.6 mi, respectively from Doha Hamad Intl. Travelers can book a car rental at Doha Hamad Intl for about $30 per day to make their sightseeing more efficient.

  • 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 $51 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 Istanbul.

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Kathmandu (average of $1,237). Flying from Washington, D.C. to Kathmandu in June is currently the most expensive (average of $1,998). 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.

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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 6 airlines flying from Washington, D.C. to Kathmandu

Discover the top 6 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IndiGoCheapest$927Average$1,659FlexibilityNo cancel feeOn-time80%
Air IndiaCheapest$986Average$1,378FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,134Average$1,613FlexibilityNo cancel feeOn-time68%
KLMCheapest$1,135Average$1,210FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$1,148Average$1,731FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,301Average$1,682FlexibilityNo cancel feeOn-time75%
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