A modern airport control tower with a spherical top and a curved, white-roofed building in the foreground.

CA $1,003 Cheap Flights from Kathmandu (KTM) to Washington (IAD)

View CA $1,003 flight on Thu, Sep 10, 2026Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Washington Dulles International Airport (IAD)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Kathmandu (KTM) to Washington (IAD)

Prices were available within the past 7 days and start at CA $1,003 for one-way flights and CA $1,879 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Mon, Sep 7 - Sat, Sep 12
KTM
Kathmandu
IAD
Washington
CA $1,879 Roundtrip, found 4 days ago
CA $1,879
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Mon, Sep 7 from Kathmandu to Washington, returning Sat, Sep 12, priced at CA $1,879 found 4 days ago
Qatar Airways
Tue, Sep 8 - Sat, Sep 12
KTM
Kathmandu
IAD
Washington
CA $1,883 Roundtrip, found 4 days ago
CA $1,883
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Tue, Sep 8 from Kathmandu to Washington, returning Sat, Sep 12, priced at CA $1,883 found 4 days ago
Qatar Airways
Tue, Sep 8 - Fri, Sep 11
KTM
Kathmandu
IAD
Washington
CA $1,886 Roundtrip, found 4 days ago
CA $1,886
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Tue, Sep 8 from Kathmandu to Washington, returning Fri, Sep 11, priced at CA $1,886 found 4 days ago
Qatar Airways
Mon, Sep 7 - Tue, Sep 15
KTM
Kathmandu
IAD
Washington
CA $1,894 Roundtrip, found 4 days ago
CA $1,894
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Mon, Sep 7 from Kathmandu to Washington, returning Tue, Sep 15, priced at CA $1,894 found 4 days ago
Qatar Airways
Tue, Sep 8 - Tue, Sep 15
KTM
Kathmandu
IAD
Washington
CA $1,898 Roundtrip, found 4 days ago
CA $1,898
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Tue, Sep 8 from Kathmandu to Washington, returning Tue, Sep 15, priced at CA $1,898 found 4 days ago
Emirates
Wed, Sep 9 - Thu, Sep 10
KTM
Kathmandu
IAD
Washington
CA $2,178 Roundtrip, found 4 days ago
CA $2,178
Roundtrip
found 4 days ago
Select Emirates flight, departing Wed, Sep 9 from Kathmandu to Washington, returning Thu, Sep 10, priced at CA $2,178 found 4 days ago
Emirates
Sun, Sep 6 - Mon, Sep 7
KTM
Kathmandu
IAD
Washington
CA $2,209 Roundtrip, found 4 days ago
CA $2,209
Roundtrip
found 4 days ago
Select Emirates flight, departing Sun, Sep 6 from Kathmandu to Washington, returning Mon, Sep 7, priced at CA $2,209 found 4 days ago
IndiGo
Sun, Aug 16 - Mon, Aug 17
KTM
Kathmandu
IAD
Washington
CA $3,573 Roundtrip, found 4 days ago
CA $3,573
Roundtrip
found 4 days ago
Select IndiGo flight, departing Sun, Aug 16 from Kathmandu to Washington, returning Mon, Aug 17, priced at CA $3,573 found 4 days ago
Etihad Airways
Sun, Aug 16 - Mon, Aug 17
KTM
Kathmandu
IAD
Washington
CA $5,218 Roundtrip, found 4 days ago
CA $5,218
Roundtrip
found 4 days ago
Select Etihad Airways flight, departing Sun, Aug 16 from Kathmandu to Washington, returning Mon, Aug 17, priced at CA $5,218 found 4 days ago

Find the cheapest month to fly from Kathmandu (KTM) to Washington (IAD)

July is typically the cheapest month to fly

From CA $1,370 - CA $2,426 per traveller.

Frequently asked questions

How much does a flight from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find cheap one-way flights from CA $1,003 and cheap return flights from CA $1,879 KTM to IAD with Expedia. One-way flights typically cost between CA$1371 and CA$3983. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when KTM to IAD ticket fares go up or down.
What is the cheapest month to fly from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The cheapest months to fly from KTM to IAD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter KTM to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Singapore Airlines is one of the cheapest airlines offering connecting return flights from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with tickets starting from around CA$2611 for flights that can be booked for departure within the next year, with a layover in Changi (SIN). These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are approximately 17 connecting flights per day from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.). Some common connection points include Indira Gandhi Intl. (DEL), Hamad Intl. (DOH), and Hong Kong Intl. (HKG).
What is the earliest flight from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically departs around 12:05 AM local time. This flight is operated by flydubai and Emirates. This is a seasonal service, active only in September. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll generally find the most flights from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) on Tuesdays, with around 19 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Air India, flydubai, and Qatar Airways. Looking at the weekly schedule, Tuesdays offer notably more flight options compared to other days, which typically see around 14 to 17 flights.
What are the most popular departure times for flights from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are in the evening, from 6pm to 9pm. Many major carriers, including flydubai, Qatar Airways and IndiGo, offer flights during this window. Many travellers prefer this time because it allows you to make the most of your day before heading to the airport.
How long does it take to fly from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are no nonstop flights from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.). Flights with one stop typically take around 24 hours 30 minutes, covering a distance of approximately 12,391 kilometres. Flights with two or more stops usually take a bit longer, averaging about 25 hours. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific route, layover times, and factors like wind patterns.
Can you fly business or first class from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Yes, you can fly business class between Kathmandu (KTM) and Washington, DC (IAD).Airlines that offer business class service on this route include:
  • Qatar Airways
  • Turkish Airlines
  • Korean Air
  • Air India
  • flydubai
How do I earn miles on a Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington, DC (IAD) from Kathmandu (KTM)?
If you're planning to travel to Washington from Tribhuvan Intl. (KTM), you can fly directly into Washington Dulles Intl. (IAD) which offers international flights and connections. Some flights may connect through major hubs like Indira Gandhi Intl. (DEL), Dubai Intl. (DXB), or Hamad Intl. (DOH) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Kathmandu (KTM-Tribhuvan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Tribhuvan Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
CA $1,878
Distance
12319 km

Book with confidence

Kathmandu to Chantilly Flights

The easy way to book your flights from Kathmandu to Washington 

With Expedia, it’s simple to find and book flights to Washington from Kathmandu whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Washington Dulles Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Kathmandu to Washington today, tomorrow, or this week.  

 

Save dollars with cheap flights from Tribhuvan Intl., KTM to Washington Dulles Intl., IAD 

Sort your search results by price to find great deals on your flight from Kathmandu to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from Kathmandu currently is just CA $1,879 rising to CA $5,218.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Washington  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Washington from Kathmandu 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today.

Kathmandu to Chantilly Flights

Explore a world of travel with Expedia

*Available to Expedia members.