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Cheap Flights from Washington D.C. to Kathmandu

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Compare Washington D.C. to Kathmandu flight deals

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Flight deals from Washington D.C. to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Kathmandu? Find the lowest prices on one-way and return tickets right here.
Kathmandu.797 € per passenger.Departing Wed, 8 Oct, returning Tue, 14 Oct.Return flight with Air India.Outbound indirect flight with Air India, departs from Washington Dulles on Wed, 8 Oct, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Tue, 14 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 797 €, select.
Kathmandu.819 € per passenger.Departing Sun, 21 Sep, returning Mon, 20 Oct.Return flight with Air India.Outbound indirect flight with Air India, departs from Washington Dulles on Sun, 21 Sep, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Mon, 20 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 819 €, select.
Kathmandu.822 € per passenger.Departing Tue, 12 Aug, returning Tue, 9 Sep.Return flight with Air India.Outbound indirect flight with Air India, departs from Washington Dulles on Tue, 12 Aug, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Tue, 9 Sep, arriving in Washington Dulles.Price includes taxes and charges.From 822 €, select.
Kathmandu.896 € per passenger.Departing Wed, 4 Jun, returning Wed, 11 Jun.Return flight with IndiGo.Outbound indirect flight with IndiGo, departs from Washington Dulles on Wed, 4 Jun, arriving in Kathmandu.Inbound indirect flight with IndiGo, departs from Kathmandu on Wed, 11 Jun, arriving in Washington Dulles.Price includes taxes and charges.From 896 €, select.
Kathmandu.933 € per passenger.Departing Wed, 30 Jul, returning Thu, 28 Aug.Return flight with Turkish Airlines and Air India.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Wed, 30 Jul, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Thu, 28 Aug, arriving in Washington Dulles.Price includes taxes and charges.From 933 €, select.
Kathmandu.934 € per passenger.Departing Sat, 31 May, returning Thu, 12 Jun.Return flight with IndiGo.Outbound indirect flight with IndiGo, departs from Washington Dulles on Sat, 31 May, arriving in Kathmandu.Inbound indirect flight with IndiGo, departs from Kathmandu on Thu, 12 Jun, arriving in Washington Dulles.Price includes taxes and charges.From 934 €, select.
Kathmandu.942 € per passenger.Departing Mon, 4 Aug, returning Thu, 23 Oct.Return flight with Turkish Airlines and Nepal Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Mon, 4 Aug, arriving in Kathmandu.Inbound indirect flight with Nepal Airlines, departs from Kathmandu on Thu, 23 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 942 €, select.
Kathmandu.957 € per passenger.Departing Sun, 19 Oct, returning Mon, 17 Nov.Return flight with Air India.Outbound indirect flight with Air India, departs from Washington Dulles on Sun, 19 Oct, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Mon, 17 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 957 €, select.

Find the cheapest month to fly from Washington D.C. to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Kathmandu flights are currently cheapest in October.
May
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Jun
from 896 €
Jul
from 960 €
Aug
from 983 €
Sep
from 987 €
Oct
from 797 €
Nov
from 1.078 €
Dec
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Jan
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Feb
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Mar
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Apr
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Washington D.C. to Kathmandu: Alternative routes

Compare routes from Washington D.C. to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Washington D.C. to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found797 €
Cheapest month to flyOctober

Finding cheap flights from Washington D.C. to Kathmandu: Frequently asked questions

The best price we found for a return flight from Washington D.C. to Kathmandu is 797 €. 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 Washington D.C. to Kathmandu. But we found flights with one stop from 797 €.
As of May 2025, there are no flights flying from Washington D.C. to Kathmandu.
The cheapest month to fly from Washington D.C. to Kathmandu is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Kathmandu Airport on Wednesday, 8 October 2025.
No airlines currently offer direct flights between Washington D.C. and Kathmandu 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 Kathmandu 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 Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Kathmandu is Air India .

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

  • Planning your flight from Washington DC to Tribhuvan International Airport (KTM) begins with finding the best airport to start your holiday. Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI) are the main departure points in Washington DC.

  • Tribhuvan International Airport is located in Kathmandu. The city operates in the UTC+5:47 timezone and is 9 hours 48 minutes ahead of Washington DC.

  • Get to the airport on time so you don't miss your flight from Washington DC to KTM. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • If you're flying during a popular month like July, get to the terminal even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of domestic departures. Check-in and security lines will be longer during high seasons like summer and spring break.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • DCA is roughly 8 kilometres from the centre of Washington DC. To help work out how to get there, use Google Maps. This useful travel app will give you the fastest route and your public transport options.

  • Have an early flight from Washington DC to Tribhuvan International Airport? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays near Ronald Reagan National Airport:

Washington Dulles International Airport (IAD)

  • Visit family or friends or just take some time to unwind with a stopover. If you'd like to split up your flight from Washington DC to Tribhuvan International Airport, check out these options when taking off from Washington Dulles International Airport:

    • Indira Gandhi International Airport (DEL)

    • Istanbul Ataturk Airport (IST)

    • Hamad International Airport (DOH)

  • You can reach IAD from central Washington DC in about 51 minutes by car, depending on traffic conditions. The journey by public transport takes roughly 3 hours and 26 minutes to cover the 56 kilometres or so.

  • You're off on holiday, so why not extend it with an extra night away? Consider checking in to one of these accommodation options near Washington Dulles International Airport the day before your flight from Washington DC to KTM:

About Tribhuvan International Airport (KTM)

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

  • Tribhuvan International Airport to the centre of Kathmandu is about 16 minutes by car. It's approximately 5 kilometres away. Discover what options are available, such as car rentals, cabs or ride-sharing.

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

  • 372 € is the cheapest price we've found for a one-way ticket from Washington DC to Tribhuvan International Airport. Return flights start from 797 €. Fares are subject to availability and may change at any time.

  • It's usually best to book in advance if you want to get cheap tickets from Washington DC to KTM. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • Use the 'Whole month' search function to compare the prices of tickets from Washington DC to Tribhuvan International Airport across the month. The lowest fares are marked in green, making it easy to choose a flight that fits your budget.

  • Set up a Price Alert for cheap tickets from Washington DC to KTM. You don't need to check every day to see if fares have dropped. We'll notify you the moment the price changes.

  • Use the filters to tailor your flights from Washington DC to Tribhuvan International Airport. Simply enter your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to get the best deals.

The best time to fly from Washington DC to Tribhuvan International Airport (KTM)

  • October is the most popular month for flights from Washington DC to Tribhuvan International Airport. To skip the crowds, travel to Kathmandu in February when it's quieter.

  • Think about the kind of weather that'll work with your plans for Kathmandu. The warmest month is June. Lock in your flights from Washington DC to KTM during then and you can expect temperatures of between 17ºC and 28ºC.

  • Travel in January for cooler conditions. Average temperatures range between 3ºC and 18ºC. However, this city promises a good time whenever you book your cheap flights from Washington DC to Tribhuvan International Airport.

More about Kathmandu

  • After locking in your flight from Washington DC to Tribhuvan International Airport, think about where to rest your head in this city. Make one of these accommodation options your base for exploring Kathmandu:

  • There are so many things to discover in this city it can be hard to know where to start. Swayambhunath Stupa, Pashupatinath Temple and Boudhanath Stupa are major attractions which should feature on every Kathmandu itinerary.

Complete your Kathmandu trip with a car rental

  • After you've locked in your hotel and cheap flight from Washington DC to Tribhuvan International Airport, your next task is choosing one of our car rentals in Kathmandu. Browse the exclusive deals and instantly compare options on price, fuel policies, and more.

Plan the rest of your trip from Washington D.C. to Kathmandu

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