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Kathmandu

$482+ Cheap flights from Dulles Intl (IAD) 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KTM
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap flight deals from Dulles Intl to Kathmandu

Cheapest flights from Dulles Intl to Kathmandu
Explore the most affordable flight options available from Dulles Intl to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.

This Trip.com deal was found by Cheapflights users on 3/9. 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.
Sat 3/149:05 pm
IAD
-
KTM
2 stops33h 20m
Multiple Airlines
Thu 3/2610:50 am
KTM
-
IAD
2 stops32h 15m
Multiple Airlines
Deal found 3/9$1,064
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:00 am
IAD
-
KTM
2 stops23h 25m
Multiple Airlines
Sun 5/101:25 pm
KTM
-
IAD
2 stops29h 00m
Multiple Airlines
Deal found 3/10$1,065
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Sun 3/223:35 pm
IAD
-
KTM
2 stops32h 30m
Multiple Airlines
Mon 4/134:40 pm
KTM
-
IAD
2 stops26h 50m
Multiple Airlines
Deal found 3/9$1,071
This Trip.com deal was found by Cheapflights users on 3/8. 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.
Sat 4/49:00 pm
IAD
-
KTM
2 stops30h 20m
Multiple Airlines
Sat 4/182:05 pm
KTM
-
IAD
2 stops35h 45m
Multiple Airlines
Deal found 3/8$1,073
This Trip.com deal was found by Cheapflights users on 3/8. 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.
Fri 5/111:00 am
IAD
-
KTM
2 stops23h 25m
Multiple Airlines
Sat 6/61:25 pm
KTM
-
IAD
2 stops36h 25m
Multiple Airlines
Deal found 3/8$1,102
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:15 am
IAD
-
KTM
2 stops36h 50m
Multiple Airlines
Tue 11/175:10 pm
KTM
-
IAD
2 stops25h 55m
Multiple Airlines
Deal found 3/10$1,103
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/311:00 am
IAD
-
KTM
2 stops23h 25m
Multiple Airlines
Sat 5/21:25 pm
KTM
-
IAD
2 stops36h 25m
Multiple Airlines
Deal found 3/9$1,112
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Sun 3/223:35 pm
IAD
-
KTM
2 stops32h 30m
Multiple Airlines
Sun 4/192:05 pm
KTM
-
IAD
2 stops29h 25m
Multiple Airlines
Deal found 3/9$1,113
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Sun 4/511:00 am
IAD
-
KTM
2 stops23h 25m
Multiple Airlines
Sun 4/261:25 pm
KTM
-
IAD
2 stops29h 00m
Multiple Airlines
Deal found 3/9$1,119
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Fri 11/1310:40 am
IAD
-
KTM
2 stops42h 45m
Multiple Airlines
Sun 12/135:10 pm
KTM
-
IAD
2 stops33h 30m
Multiple Airlines
Deal found 3/9$1,124
This oojo deal was found by Cheapflights users on 3/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:15 pm
IAD
-
KTM
2 stops40h 45m
Cathay Pacific
Mon 10/511:00 pm
KTM
-
IAD
2 stops63h 45m
Cathay Pacific
Deal found 3/11$1,135

Find flight deals from Dulles Intl to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,065
(Trip.com)

One-way from

$482
(oojo)

Popular in

June

Cheapest in

August

Average price

$1,452
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Kathmandu Tribhuvan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Kathmandu Tribhuvan flights.
Search Deals
From Washington, D.C. Dulles Intl to Kathmandu Tribhuvan
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Kathmandu Tribhuvan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 March 13, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 4/2

10:55 am-6:10 pm

2 stops45h 30m

Kathmandu Tribhuvan

Thu 6/25

1:25 pm-8:40 am

2 stops29h 00m

$1,323
Quickest round-trip

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 3/22

11:15 am-6:40 pm

1 stop21h 40m

Kathmandu Tribhuvan

Wed 4/1

3:35 pm-8:40 am

1 stop26h 50m

$1,429

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 4/4

3:10 pm-6:35 am

3 stops29h 40m

Kathmandu Tribhuvan

Sat 4/11

1:25 pm-8:40 am

2 stops53h 00m

$1,463

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-7:55 am

1 stop25h 50m

Kathmandu Tribhuvan

Thu 4/23

10:55 am-8:40 am

1 stop31h 30m

$1,494

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 4/29

11:00 am-5:00 pm

1 stop20h 15m

Kathmandu Tribhuvan

Fri 10/2

6:45 pm-4:19 pm

2 stops31h 19m

$1,697

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 5/10

5:35 pm-6:35 am

2 stops51h 15m

Kathmandu Tribhuvan

Fri 7/24

9:10 pm-4:45 pm

2 stops29h 20m

$1,738

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 5/28

10:55 am-11:35 pm

1 stop26h 55m

Kathmandu Tribhuvan

Sun 5/31

12:35 am-8:40 am

1 stop41h 50m

$1,895
Cheapest one-way

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sat 4/4

3:10 pm-9:30 am

1 stop32h 35m

$530

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 3/23

2:30 pm-12:15 pm

3 stops36h 00m

$531

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 5/12

1:20 pm-1:05 pm

2 stops38h 00m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl 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 Dulles Intl to Kathmandu in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-Kathmandu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Kathmandu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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 Dulles Intl to Kathmandu

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Kathmandu. Price data was last updated on March 6, 2026.

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Kathmandu. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu (average of $791). Flying from Washington, D.C. Dulles Intl Airport to Kathmandu in June is currently the most expensive (average of $1,243). 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.

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

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 March 13, 2026.
Read reviews from past customers who have flown Emirates,Qatar Airways, andTurkish Airlines from Washington, D.C. Dulles Intl Airport to Kathmandu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,541 reviews

Boarding

8.1

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Emirates
8.1
Very good
3,541 reviews
Emirates
8.1
Very good
3,541 reviews

Boarding

8.1

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Qatar Airways
7.4
Good
3,740 reviews
Emirates
8.1
Very good
3,541 reviews

Boarding

8.1

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Turkish Airlines
7.3
Good
4,254 reviews
Emirates
8.1
Very good
3,541 reviews

Boarding

8.1

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
IndiGo
6.8
Okay
542 reviews
Emirates
8.1
Very good
3,541 reviews

Boarding

8.1

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Air India
5.5
Fair
2,969 reviews
Emirates
8.1
Very good
3,541 reviews

Boarding

8.1

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

Related info for your journey

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

    For a flight from Washington, D.C. Dulles Intl to Kathmandu, you will be flying into Tribhuvan. Kathmandu Tribhuvan (KTM) is just 2.5 mi from the center of the city. Tribhuvan is the only Kathmandu airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 7 airlines have flights to Kathmandu Tribhuvan from Washington, D.C. Dulles Intl on a regular basis.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Kathmandu in 21h 40m. Fly via Emirates or Qatar Airways to get the fastest option. Airlines will cover a distance of 7695 mi. This flight may include one or multiple stops.

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

    Air India, at $834, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Kathmandu.Alternate airlines to your destination round-trip include IndiGo and Turkish Airlines. These flights start at 41% lower than the current average price 3 months from now.

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

    $382 is the cheapest one-way deal found within the past few days, from IndiGo. You may also be able to find cheap deals on Air India and Turkish Airlines, with prices starting from $385 and $485, respectively.

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

    The most popular layover on flights from Washington, D.C. Dulles Intl Airport to Kathmandu is Doha. Doha is followed by New Delhi in terms of the most popular layover location on flights from Washington, D.C. Dulles Intl Airport to Kathmandu.

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

    Karol Bagh, Lajpat Nagar Central Market, and Gurudwara Bangla Sahib are the most popular attractions in New Delhi if you're in need of something to do during your layover. 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. Travelers can book a car rental at New Delhi Indira Gandhi Intl for about $63 per day to make their sightseeing more efficient.

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

    Washington, D.C. Dulles Intl Airport to Kathmandu flights that have layovers will least frequently stop in Dubai. Washington, D.C. Dulles Intl Airport to Kathmandu flights stopping in Istanbul are the next rarest.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu (average of $791). Flying from Washington, D.C. Dulles Intl Airport to Kathmandu in June is currently the most expensive (average of $1,243). 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

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Alternative routes for Dulles Intl to Kathmandu

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

Top 7 airlines flying from Dulles Intl to Kathmandu

Discover the top 7 airlines that operate flights from Dulles Intl 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$834Average$1,271FlexibilityNo cancel feeOn-timeN/A
IndiGoCheapest$961Average$1,289FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$1,068Average$1,477FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,092Average$1,282FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,241Average$1,485FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$1,242Average$1,664FlexibilityNo cancel feeOn-time75%
SWISSCheapest$1,611Average$1,660FlexibilityNo cancel feeOn-time79%

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