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CA $903 Cheap Flights from Washington (IAD) to Kathmandu (KTM)

View CA $903 flight on Tue, Sep 1, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $903 for one-way flights and CA $1,720 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Tue, Sep 1 - Tue, Oct 6
IAD
Washington
KTM
Kathmandu
CA $1,720 Roundtrip, found 3 days ago
CA $1,720
Roundtrip
found 3 days ago
Select Etihad Airways flight, departing Tue, Sep 1 from Washington to Kathmandu, returning Tue, Oct 6, priced at CA $1,720 found 3 days ago
Etihad Airways
Thu, Aug 27 - Mon, Aug 31
IAD
Washington
KTM
Kathmandu
CA $1,755 Roundtrip, found 5 days ago
CA $1,755
Roundtrip
found 5 days ago
Select Etihad Airways flight, departing Thu, Aug 27 from Washington to Kathmandu, returning Mon, Aug 31, priced at CA $1,755 found 5 days ago
Etihad Airways
Tue, Sep 1 - Tue, Oct 6
IAD
Washington
KTM
Kathmandu
CA $1,802 Roundtrip, found 3 days ago
CA $1,802
Roundtrip
found 3 days ago
Select Etihad Airways flight, departing Tue, Sep 1 from Washington to Kathmandu, returning Tue, Oct 6, priced at CA $1,802 found 3 days ago
Etihad Airways
Thu, Aug 27 - Mon, Aug 31
IAD
Washington
KTM
Kathmandu
CA $1,813 Roundtrip, found 5 days ago
CA $1,813
Roundtrip
found 5 days ago
Select Etihad Airways flight, departing Thu, Aug 27 from Washington to Kathmandu, returning Mon, Aug 31, priced at CA $1,813 found 5 days ago
Etihad Airways
Thu, Aug 27 - Mon, Aug 31
IAD
Washington
KTM
Kathmandu
CA $1,830 Roundtrip, found 5 days ago
CA $1,830
Roundtrip
found 5 days ago
Select Etihad Airways flight, departing Thu, Aug 27 from Washington to Kathmandu, returning Mon, Aug 31, priced at CA $1,830 found 5 days ago
Etihad Airways
Thu, Aug 27 - Mon, Aug 31
IAD
Washington
KTM
Kathmandu
CA $1,836 Roundtrip, found 5 days ago
CA $1,836
Roundtrip
found 5 days ago
Select Etihad Airways flight, departing Thu, Aug 27 from Washington to Kathmandu, returning Mon, Aug 31, priced at CA $1,836 found 5 days ago
Turkish Airlines
Tue, Dec 1 - Wed, Jan 20
IAD
Washington
KTM
Kathmandu
CA $2,064 Roundtrip, found 4 days ago
CA $2,064
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Tue, Dec 1 from Washington to Kathmandu, returning Wed, Jan 20, priced at CA $2,064 found 4 days ago
Emirates
Sun, Aug 16 - Tue, Sep 1
IAD
Washington
KTM
Kathmandu
CA $2,120 Roundtrip, found 3 days ago
CA $2,120
Roundtrip
found 3 days ago
Select Emirates flight, departing Sun, Aug 16 from Washington to Kathmandu, returning Tue, Sep 1, priced at CA $2,120 found 3 days ago
Qatar Airways
Mon, Sep 14 - Mon, Nov 16
IAD
Washington
KTM
Kathmandu
CA $2,198 Roundtrip, found 2 days ago
CA $2,198
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Mon, Sep 14 from Washington to Kathmandu, returning Mon, Nov 16, priced at CA $2,198 found 2 days ago
Cathay Pacific
Thu, Oct 22 - Sat, Nov 14
IAD
Washington
KTM
Kathmandu
CA $3,191 Roundtrip, found 1 day ago
CA $3,191
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Thu, Oct 22 from Washington to Kathmandu, returning Sat, Nov 14, priced at CA $3,191 found 1 day ago

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

August is typically the cheapest month to fly

From CA $1,322 - CA $2,933 per traveller.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.) cost?
You can find one-way and return flights from IAD to KTM with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when IAD to KTM ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
September is typically the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.), with average return fares around CA$1906. September often sees lower prices because it falls outside peak travel seasons, when demand drops and airlines offer more competitive fares. August and November are also good months to find deals on this route.
Which airlines fly direct from Washington, DC (IAD) to Kathmandu (KTM)?
Enter IAD to KTM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan 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 Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The cheapest months to fly from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.) are typically September and August, with average return flight prices around CA$1906. While these months offer the best value, you'll want to consider the weather in Kathmandu, as August and September fall within the monsoon season. If you're looking for a balance of good prices and more pleasant weather, you might find that shoulder seasons offer a better overall experience.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
There are approximately 53 connecting flights per day from Washington Dulles Intl. (IAD) to Tribhuvan Intl. (KTM). Some common connection points include Heathrow (LHR), Abu Dhabi Intl. (AUH), and Pearson Intl. (YYZ).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The earliest flight from Washington Dulles Intl. (IAD) to Tribhuvan Intl. (KTM) typically departs around 6:00 AM. This service is offered by airlines such as American Airlines and Cathay Pacific. This is a seasonal service, active in August and September. An early departure like this can help you make the most of 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 Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
You'll generally find the most flights from Washington Dulles Intl. (IAD) to Tribhuvan Intl. (KTM) on a Sunday, with around 50 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Qatar Airways. Sundays offer notably more flight options compared to other days of the week, so if flexibility allows, this could be a good day to consider flying.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The most popular departure times for flights from Washington Dulles Intl. (IAD) to Tribhuvan Intl. (KTM) are in the morning, from 9am to 12pm. Many major carriers, including Qatar Airways, Emirates and United, offer flights during this window. Many travellers prefer these times as they allow for an early start to your journey, getting you to your destination with plenty of time left in the day.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
There are no nonstop flights from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.). The journey covers a distance of approximately 12,392 kilometres. Flights with one stop typically take around 20 hours. If you opt for flights with two or more stops, your travel time will be longer, usually around 24 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
You can fly business class between IAD and KTM. Airlines that offer business class service on this route include:
  • Swiss International Air Lines
  • Qatar Airways
  • Korean Air
  • KLM
  • Air France
  • Iberia
  • Lufthansa
  • Aer Lingus
  • Turkish Airlines
  • Republic Airlines
  • Emirates
  • British Airways
  • Mesa Airlines
  • Air Canada
  • United
  • American Airlines
  • Virgin Atlantic
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan 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 Kathmandu (KTM) from Washington, DC (IAD)?
If you're planning to travel to Kathmandu from Washington Dulles Intl. (IAD), you can fly directly into Tribhuvan Intl. (KTM). Some flights may connect through major hubs like Heathrow (LHR), Frankfurt Intl. (FRA), or Zürich (ZRH) before reaching Kathmandu. 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 Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan 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 Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan 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 Washington, DC (IAD) to Kathmandu (KTM)?
If you booked your Washington, DC (IAD) to Kathmandu (KTM) 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
Washington Dulles Intl.
Destination airport
Tribhuvan Intl.
Roundtrip price
CA $1,720
Distance
12319 km

Book with confidence

Chantilly to Kathmandu Flights

The easy way to book your flights from Washington to Kathmandu 

With Expedia, it’s simple to find and book flights to Kathmandu from Washington 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 Tribhuvan 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 Washington to Kathmandu today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Washington to Kathmandu—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Kathmandu from Washington currently is just CA $1,720 rising to CA $3,191.  

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 Kathmandu  
  • 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 Kathmandu from Washington 

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 Kathmandu with Expedia today.

Chantilly to Kathmandu Flights

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