$729 Cheap Flights from Kathmandu (KTM) to Washington (IAD)

View $729 flight on Thu, Nov 6, 2025Opens in a new window

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

Cheap Flights from Kathmandu to Washington (KTM-IAD)

Prices were available within the past 7 days and start at $729 for one-way flights and $1,190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, Dec 14 - Sun, Jan 4
KTM
Kathmandu
IAD
Washington
$1,190 Roundtrip, found 6 days ago
$1,190
Roundtrip
found 6 days ago
Select KLM flight, departing Sun, Dec 14 from Kathmandu to Washington, returning Sun, Jan 4, priced at $1,190 found 6 days ago
KLM
Mon, Dec 15 - Sat, Jan 10
KTM
Kathmandu
IAD
Washington
$1,191 Roundtrip, found 6 days ago
$1,191
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Dec 15 from Kathmandu to Washington, returning Sat, Jan 10, priced at $1,191 found 6 days ago
KLM
Mon, Dec 15 - Sat, Jan 10
KTM
Kathmandu
IAD
Washington
$1,192 Roundtrip, found 6 days ago
$1,192
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Dec 15 from Kathmandu to Washington, returning Sat, Jan 10, priced at $1,192 found 6 days ago
KLM
Sat, Dec 13 - Sat, Jan 10
KTM
Kathmandu
IAD
Washington
$1,193 Roundtrip, found 3 days ago
$1,193
Roundtrip
found 3 days ago
Select KLM flight, departing Sat, Dec 13 from Kathmandu to Washington, returning Sat, Jan 10, priced at $1,193 found 3 days ago
KLM
Mon, Dec 15 - Sat, Jan 10
KTM
Kathmandu
IAD
Washington
$1,196 Roundtrip, found 6 days ago
$1,196
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Dec 15 from Kathmandu to Washington, returning Sat, Jan 10, priced at $1,196 found 6 days ago
KLM
Mon, Dec 15 - Sat, Jan 10
KTM
Kathmandu
IAD
Washington
$1,196 Roundtrip, found 6 days ago
$1,196
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Dec 15 from Kathmandu to Washington, returning Sat, Jan 10, priced at $1,196 found 6 days ago
SpiceJet
Wed, Oct 22 - Sun, Oct 26
KTM
Kathmandu
IAD
Washington
$1,200 Roundtrip, found 3 hours ago
$1,200
Roundtrip
found 3 hours ago
Select SpiceJet flight, departing Wed, Oct 22 from Kathmandu to Washington, returning Sun, Oct 26, priced at $1,200 found 3 hours ago
flydubai
Wed, Feb 4 - Wed, Mar 4
KTM
Kathmandu
IAD
Washington
$1,265 Roundtrip, found 3 days ago
$1,265
Roundtrip
found 3 days ago
Select flydubai flight, departing Wed, Feb 4 from Kathmandu to Washington, returning Wed, Mar 4, priced at $1,265 found 3 days ago
Air China
Mon, Dec 1 - Fri, Jan 30
KTM
Kathmandu
IAD
Washington
$1,305 Roundtrip, found 6 days ago
$1,305
Roundtrip
found 6 days ago
Select Air China flight, departing Mon, Dec 1 from Kathmandu to Washington, returning Fri, Jan 30, priced at $1,305 found 6 days ago
Turkish Airlines
Tue, Oct 21 - Sun, Apr 5
KTM
Kathmandu
IAD
Washington
$1,384 Roundtrip, found 6 days ago
$1,384
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Tue, Oct 21 from Kathmandu to Washington, returning Sun, Apr 5, priced at $1,384 found 6 days ago

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

February is typically the cheapest month to fly

From $1,173 - $1,870 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $1,932
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $1,932

Frequently asked questions

How much does a flight from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD) cost?
Lock in a cheap one-way flight from $729 or cheap return flight from $1,190 from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from KTM to IAD is December, when there's less demand. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from KTM to IAD, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD)?
Direct flights from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KTM to IAD?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD)?
Select a flight from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until right before your break to book a ticket from KTM to IAD generally means paying more. While you may find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a KTM to IAD flight and hotel package?
You'll generally save money by booking a KTM to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your ideal flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Tribhuvan Intl. Airport (KTM) to Washington Dulles Intl. Airport (IAD)?
In most instances, you can cancel or modify your KTM to IAD flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Tribhuvan Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air China, Cathay Pacific, Emirates, Etihad Airways, KLM, Korean Air, Qatar Airways, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$1,190
Distance
7699 mi

Book with confidence

Book with confidence

Kathmandu to Washington Flights

The cheapest times to fly from Kathmandu to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kathmandu to Washington are during the month of December. You can find some of the cheapest flights from Kathmandu to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kathmandu to Washington

Sunday is one of the best days to book for cheap flights from Kathmandu to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kathmandu to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kathmandu to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $729 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kathmandu to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kathmandu to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kathmandu to Washington Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.