Dulles Intl

$744+ Cheap flights from Kathmandu (KTM) to Dulles Intl (IAD)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — IAD
Apr 2 — Apr 91
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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl are usually found in October or September, booked 67 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Kathmandu to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Dulles Intl (IAD). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,304
(Justfly.com)

One-way from

$744
(Mytrip)

Popular in

August

Cheapest in

October

Average price

$1,674
Provider with most accurate pricing for Kathmandu Tribhuvan-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Washington, D.C. Dulles Intl flights.
From Kathmandu Tribhuvan to Washington, D.C. Dulles Intl
One-way flight from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 11% potential increase in price ($195 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($67 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find flight deals from Kathmandu to Dulles Intl

Cheapest flights from Kathmandu to Dulles Intl
Explore the most affordable flight options available from Kathmandu to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/267:40 amKTM - IAD
1 stop37h 50mTurkish Airlines
Fri 6/271:30 pmIAD - KTM
1 stop31h 00mTurkish Airlines
Deal found 3/27$1,304
This FlightHub deal was found by Cheapflights users on 3/27. 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 6/101:25 pmKTM - IAD
2 stops29h 00mMultiple Airlines
Sun 10/1910:55 amIAD - KTM
1 stop37h 05mMultiple Airlines
Deal found 3/27$1,318
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Sat 4/123:05 pmKTM - IAD
2 stops38h 25mIndiGo
Fri 4/189:40 pmIAD - KTM
2 stops26h 25mIndiGo
Deal found 3/27$1,319
This FlightHub deal was found by Cheapflights users on 3/27. 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.
Thu 10/167:05 pmKTM - IAD
1 stop30h 50mQatar Airways
Sun 11/1610:40 amIAD - KTM
1 stop19h 00mQatar Airways
Deal found 3/27$1,329
This Ovago deal was found by Cheapflights users on 3/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:55 amKTM - IAD
2 stops41h 20mAir China
Fri 6/2711:00 pmIAD - KTM
2 stops50h 10mAir China
Deal found 3/27$1,338
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Mon 3/315:00 pmKTM - IAD
1 stop24h 25mAir India
Wed 4/211:00 amIAD - KTM
1 stop33h 50mAir India
Deal found 3/27$1,478
This Emirates deal was found by Cheapflights users on 3/26. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/201:10 amKTM - IAD
1 stop41h 15mEmirates
Mon 5/2610:55 amIAD - KTM
1 stop35h 20mEmirates
Deal found 3/26$1,575
This Gurufare deal was found by Cheapflights users on 3/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:00 pmKTM - IAD
2 stops51h 35mSingapore Airlines
Sun 11/165:00 pmIAD - KTM
3 stops65h 55mSingapore Airlines
Deal found 3/27$1,823

Cheapflights Fare Finder

Customize your flight search to find flights from Kathmandu to Dulles Intl 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 March 28, 2025.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Kathmandu

Fly to

Dulles Intl

Route

Depart

Return

Price

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 4/3

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Thu 5/1

10:55 am-9:45 am

1 stop37h 05m

$1,316

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sat 4/12

3:05 pm-7:45 pm

2 stops38h 25m

Washington, D.C. Dulles Intl

Fri 4/18

9:40 pm-9:50 am

2 stops26h 25m

$1,319

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 6/25

10:05 am-3:40 pm

1 stop39h 20m

Washington, D.C. Dulles Intl

Wed 7/30

11:00 am-4:45 pm

1 stop20h 00m

$1,330

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 5/12

7:40 am-11:45 am

1 stop37h 50m

Washington, D.C. Dulles Intl

Fri 6/6

1:30 pm-6:15 am

1 stop31h 00m

$1,335

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 3/31

5:00 pm-7:40 am

1 stop24h 25m

Washington, D.C. Dulles Intl

Wed 4/2

11:00 am-6:35 am

1 stop33h 50m

$1,478

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 5/7

11:55 am-7:30 pm

2 stops65h 20m

Washington, D.C. Dulles Intl

Tue 9/30

11:00 pm-10:55 am

2 stops50h 10m

$1,535

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 6/24

1:10 am-8:40 am

1 stop41h 15m

Washington, D.C. Dulles Intl

Wed 7/30

10:55 am-12:10 am

1 stop27h 30m

$1,563

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 5/1

3:05 pm-7:40 am

2 stops26h 20m

$744

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 4/7

3:05 pm-7:45 pm

3 stops38h 25m

$751

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 5/29

11:55 am-7:30 pm

2 stops41h 20m

$823

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 17 results
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Compare providers for flights from Kathmandu to Dulles Intl

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 Kathmandu to Dulles Intl in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars

*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 Kathmandu-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Washington, D.C. Dulles Intl Airport 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 Kathmandu-Washington, D.C. Dulles Intl Airport 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 Kathmandu to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Kathmandu to Dulles Intl. Price data was last updated on March 21, 2025.

The price you pay for your flight from Kathmandu to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Kathmandu to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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 IAD?

Find hourly flight availability from Kathmandu to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Kathmandu to Washington, D.C. Dulles Intl Airport by exploring options for tickets at noon.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated March 28, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Emirates and KLM from Kathmandu to Washington, D.C. by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Dulles Intl. 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. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Kathmandu, you will be flying from 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 Tribhuvan to Washington, D.C. Dulles Intl per day from 4 different airlines.

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

    Cheapflights users have booked flights from Kathmandu to Washington, D.C. Dulles Intl Airport round-trip from $1,304. Other airlines that can offer you cheap pricing are IndiGo, from $1,319, and Qatar Airways, from $1,332. Turkish Airlines is priced at 15% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $751. Users have also found prices from $886 and $897 on Air India and Turkish Airlines, respectively.

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

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

    Most Doha visitors opt to spend their time experiencing Museum of Islamic Art, Katara Cultural Village, and Aspire Tower. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower can be accessed by traveling approximately 5.2 mi, 8.7 mi, and 10.6 mi, respectively from Doha Hamad Intl. Travelers in need of a car in Doha can rent one for about $29 per day.

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

  • Can I find deals for flights from Kathmandu to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Dulles Intl?

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

  • Can I find deals for business class flights from Kathmandu to Dulles Intl?

    Yes. Cheapflights offers flight deals from Kathmandu to Dulles Intl 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. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Kathmandu to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Kathmandu to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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?

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Alternative routes for Kathmandu to Dulles Intl

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

Top 4 airlines flying from Kathmandu to Dulles Intl

Discover the top 4 airlines that operate flights from Kathmandu to Dulles Intl. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,214Average$1,322FlexibilityNo cancel feeOn-time77%
Air IndiaCheapest$1,239Average$1,975FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,326Average$1,483FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,508Average$1,644FlexibilityNo cancel feeOn-time75%
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