Cheap flight tickets from Kathmandu to Washington Dulles

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Flight deals from Kathmandu to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Kathmandu to Washington Dulles? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kathmandu to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kathmandu to Washington Dulles flights are currently cheapest in February.

Kathmandu to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundRM3,628
Cheapest month to flyFebruary

Finding cheap flights from Kathmandu to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Kathmandu to Washington Dulles is RM3,628. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Kathmandu to Washington Dulles. But we found flights with one or more stops from RM3,628.
As of February 2026, there are no flights flying from Kathmandu to Washington Dulles.
The cheapest month to fly from Kathmandu to Washington Dulles is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Washington Dulles Airport on Tuesday, 3 February 2026.
No airlines currently offer direct flights between Kathmandu Airport and Washington Dulles Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, IndiGo offers the cheapest flight tickets to Washington Dulles.

Flying from Tribhuvan International Airport (KTM) to Washington Dulles International Airport (IAD): what you need to know

  • The timezone in Washington DC is UTC-4, which is nine hours 48 minutes behind Kathmandu.

  • Your KTM to IAD flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • You'll likely experience bigger queues in popular months like September. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.

  • If you'd like to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from Tribhuvan International Airport to Washington Dulles International Airport. Here are the most popular stopovers between KTM and IAD:

    • Indira Gandhi International Airport

    • Istanbul Ataturk Airport

    • Hamad International Airport

How to find the cheapest flights from Tribhuvan International Airport (KTM) to Washington Dulles International Airport (IAD)

  • The cheapest price we've seen for a one-way Tribhuvan International Airport to Washington Dulles International Airport flight is RM2,062. A return fare right now is RM3,628. Depending on the availability when you book, these fares can change.

  • It's usually smart to book as early as possible if you're looking for cheap tickets from KTM to IAD. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • The 'Whole month' tool shows you the cheapest flights from Tribhuvan International Airport to Washington Dulles International Airport across the month. It's a great way to snap up a bargain if your dates aren't set in stone.

  • Finding cheap flights from KTM to IAD is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as fares go down.

  • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Tribhuvan International Airport to Washington Dulles International Airport.

Handy information about Tribhuvan International Airport (KTM)

  • Central Kathmandu to Tribhuvan International Airport is approximately 5 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Looking for a convenient hotel close to KTM? If you're catching an early flight from Tribhuvan International Airport to Washington Dulles International Airport, these stays will put you moments from your departure gate:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • IAD is located at 1 Saarinen Circle.

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to reach the centre by car.

  • Getting to the centre on public transport takes around 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • April is the most popular month for flights from Tribhuvan International Airport to Washington Dulles International Airport. To steer clear of the crowds, travel to Washington DC in January.

  • Lock in your flight from Tribhuvan International Airport to Washington Dulles International Airport for July if you want to explore Washington DC during its warmest month. Expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

  • Search for cheap tickets from KTM to IAD in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of United States

  • New York is just one of the many places in United States waiting to be discovered after you've experienced Washington DC. Around 322 kilometres away to the north-east, its top attractions include Statue of Liberty, Central Park and Empire State Building.

  • If you're ready to explore another side of United States, head for Philadelphia, roughly 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.