Dulles Intl

$629+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — IAD
Jun 17 — Jun 241
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Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Washington, D.C. Dulles Intl are usually found in October or May, booked 56 days in advance, depart on a Tuesday or Monday and return on a Saturday

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 June 12, 2025.

Round-trip from

$1,149
(Booking.com)

One-way from

$629
(Mytrip)

Popular in

August

Cheapest in

October

Average price

$1,464
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. 6% potential increase in price ($108 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in June 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 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

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 June 12, 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

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 19 results
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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 June 9, 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 56 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 July is currently the most expensive (average of $349). 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 June 12, 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 June 12, 2025.

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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 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 5 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 $1,149. Other airlines that can offer you cheap pricing are Air India, from $1,252, and Turkish Airlines, from $1,300. IndiGo is priced at 25% 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 $660. Users have also found prices from $710 and $825 on Air India and Air China, 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 $28 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 July is currently the most expensive (average of $349). 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
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Silver Spring
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Fredericksburg
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Easton
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National Harbor
Springfield
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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 5 airlines flying from Kathmandu to Dulles Intl

Discover the top 5 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 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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