Cheap Flights from Washington D.C. to Kathmandu

Compare Washington D.C. to Kathmandu flight deals

Find the cheapest month or even day of the year to fly to Kathmandu

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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 Airport? If you want to travel next month, return fares start from Rs433,358. Find the lowest prices on one-way and return tickets right here.

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 August.

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 foundRs140,997
Cheapest month to flyAugust

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 Rs355,925. 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 Rs355,925.
As of June 2026, there are no flights flying from Washington D.C. to Kathmandu.
The cheapest month to fly from Washington D.C. to Kathmandu is usually September.
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 Tuesday, 1 September 2026.
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 jetBlue .

Travelling from Washington DC to Kathmandu Tribhuvan International Airport (KTM): What you need to know

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

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

  • Popular months like July or holiday times such as Christmas and spring break will mean bigger queues at check-in and security. If you're travelling then, play it safe and head to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a wise move.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

  • DCA is about 6 kilometres from central Washington DC. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 10 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 25 minutes.

  • In search of a comfortable hotel near Ronald Reagan Washington National Airport? If you've booked an early flight from Washington DC to Kathmandu Tribhuvan International Airport, these accommodation options will have you sleeping moments from your check-in counter:

  • 71% of flights that depart Ronald Reagan Washington National Airport arrive at their destination on time.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Knock a new city off your list or just take some time to unwind with a stopover. If you'd like to split up your flight from Washington DC to Kathmandu Tribhuvan International Airport, browse these options when setting off from Washington Dulles International Airport:

    • Istanbul Airport (IST)

    • Dubai International Airport (DXB)

    • Doha Hamad International Airport (DOH)

  • With public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The airport is roughly 40 kilometres away, and making the trip by car takes approximately 45 minutes.

  • Want to enjoy an extra night away before catching your Washington DC to KTM flight? Check in to a hotel near Washington Dulles International Airport before your adventure officially starts. These stays have your key waiting:

  • When it comes to flights staying on schedule, Washington Dulles International Airport has an on-time arrival rate of 77%.

  • IAD is located at 1 Saarinen Circle.

Baltimore Washington International Airport (BWI)

About Kathmandu Tribhuvan International Airport (KTM)

  • Reserve a hotel near KTM if you're catching a late flight from Washington DC to Kathmandu Tribhuvan International Airport. Select one of these accommodation options and get some sleep sooner:

  • To get the best deal, reserve your ride around one week in advance of your Washington DC to Kathmandu Tribhuvan International Airport flight.

Getting from Kathmandu Tribhuvan International Airport (KTM) to central Kathmandu

  • From Kathmandu Tribhuvan International Airport, central Kathmandu is around 6 kilometres away. It takes about 30 minutes to reach the city centre by car.

  • Travelling by public transport will take you roughly 40 minutes.

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

  • Rs140,997 is the best price for a one-way ticket from Washington DC to Kathmandu Tribhuvan International Airport. Return flights start at Rs355,925. These prices may change depending on demand and availability.

  • Booking ahead of time is often the key to finding a cheap flight from Washington DC to KTM. Flight prices rise as demand increases, so the closer you get to departure, the more you'll likely spend on your ticket.

  • The 'Whole month' search tool shows you the cheapest Washington DC to Kathmandu Tribhuvan International Airport tickets across every month. It's an easy way to snap up a bargain if your dates aren't set in stone.

  • Never miss a deal on plane tickets from Washington DC to KTM by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Filters make it easier to snap up a deal on your flight from Washington DC to Kathmandu Tribhuvan International Airport. Choose the departure times, airlines and number of stops that make sense for you. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

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

  • December is the quietest month for flights from Washington DC to Kathmandu Tribhuvan International Airport (KTM), while February is the busiest. Pick the ideal time to visit Kathmandu based on whether you like a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Kathmandu is June, with temperatures ranging between 17ºC and 30ºC. Lock in your Washington DC to KTM plane ticket then if this is the type of weather you enjoy.

  • For cooler conditions, look for a cheap ticket from Washington DC to Kathmandu Tribhuvan International Airport in January when temperatures are between 3ºC and 19ºC.

More about Kathmandu

  • Start your Kathmandu trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Washington DC to Kathmandu Tribhuvan International Airport, check out our selection of hotels including:

  • Kathmandu Durbar Square and Boudhanath Stupa are just the start of the big attractions to put on your Kathmandu travel itinerary. Continue your sightseeing adventures at Swayambhunath Stupa.

Explore more of Nepal

  • Pokhara is just one of the many cities in Nepal waiting to be discovered after you've experienced Kathmandu. Around 145 kilometres away to the northwest, check out popular attractions including Phewa Lake, Parahawking and Sarangkot View Point.

  • If you're eager to discover another major destination in Nepal, head for Biratnagar, roughly 241 kilometres southeast of Kathmandu. Haleshi Mahadev Mandir, Birateshwor Shiva Temple and ISKCON Jaljala are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.