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Cheap Flights from Washington D.C. (WASA) to Kathmandu (KTM)

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? Find the lowest prices on one-way and return tickets right here.
Kathmandu.£643 per passenger.Departing Sat, 25 Apr, returning Sat, 9 May.Return flight with SWISS and Air India.Outbound indirect flight with SWISS, departs from Washington Dulles on Sat, 25 Apr, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Sat, 9 May, arriving in Washington Dulles.Price includes taxes and charges.From £643, select.
Kathmandu.£658 per passenger.Departing Sun, 8 Mar, returning Sat, 28 Mar.Return flight with SWISS and Air India.Outbound indirect flight with SWISS, departs from Washington Dulles on Sun, 8 Mar, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Sat, 28 Mar, arriving in Washington Dulles.Price includes taxes and charges.From £658, select.
Kathmandu.£663 per passenger.Departing Mon, 4 May, returning Wed, 20 May.Return flight with Etihad Airways and Air India.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Mon, 4 May, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Wed, 20 May, arriving in Washington Dulles.Price includes taxes and charges.From £663, select.
Kathmandu.£667 per passenger.Departing Tue, 7 Apr, returning Sat, 25 Apr.Return flight with SWISS and IndiGo.Outbound indirect flight with SWISS, departs from Washington Dulles on Tue, 7 Apr, arriving in Kathmandu.Inbound indirect flight with IndiGo, departs from Kathmandu on Sat, 25 Apr, arriving in Washington Dulles.Price includes taxes and charges.From £667, select.
Kathmandu.£668 per passenger.Departing Sun, 15 Mar, returning Tue, 7 Apr.Return flight with SWISS and Air India.Outbound indirect flight with SWISS, departs from Washington Dulles on Sun, 15 Mar, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Tue, 7 Apr, arriving in Washington Dulles.Price includes taxes and charges.From £668, select.
Kathmandu.£692 per passenger.Departing Tue, 21 Apr, returning Tue, 13 Oct.Return flight with Etihad Airways and Air India.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Tue, 21 Apr, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Tue, 13 Oct, arriving in Washington Dulles.Price includes taxes and charges.From £692, select.
Kathmandu.£701 per passenger.Departing Wed, 18 Mar, returning Mon, 25 May.Return flight with Etihad Airways and Air India.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 18 Mar, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Mon, 25 May, arriving in Washington Dulles.Price includes taxes and charges.From £701, select.
Kathmandu.£746 per passenger.Departing Mon, 4 May, returning Tue, 2 Jun.Return flight with Etihad Airways and Nepal Airlines.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Mon, 4 May, arriving in Kathmandu.Inbound indirect flight with Nepal Airlines, departs from Kathmandu on Tue, 2 Jun, arriving in Washington Dulles.Price includes taxes and charges.From £746, 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 March.
Feb
from £952
Mar
from £657
Apr
from £666
May
from £662
Jun
from £957
Jul
from £876
Aug
from £896
Sep
Find prices
Oct
from £887
Nov
from £924
Dec
from £998
Jan
Find prices

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.

Kathmandu

3 miles from central Kathmandu
ClosestCheapest
from £643
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Washington D.C. to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found£643
Cheapest month to flyApril

Check out these Kathmandu hotels

Ready to plan your stay? Other travellers rate these Kathmandu hotels for cleanliness, service and location.
Hotel Bayberry Kathmandu - Near Tribhuvan International Airport
0.73 miles from Kathmandu
£20
Per night
Vannasut Hotel and Spa
1.37 miles from Kathmandu
£16
Per night
Hotel Ananda Pashupati
0.83 miles from Kathmandu
£24
Per night
Hotel Bayberry Kathmandu - Near Tribhuvan International Airport
0.73 miles from Kathmandu
£20
Per night
Vannasut Hotel and Spa
1.37 miles from Kathmandu
£16
Per night
Hotel Ananda Pashupati
0.83 miles from Kathmandu
£24
Per night
Explore top-rated hotels

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 £643. 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 £643.
As of February 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 April.
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 Saturday, 25 April 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 SWISS .

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

  • You can choose from multiple airports when planning your flight from Washington DC to Tribhuvan International Airport (KTM). Explore your options for leaving from Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • Tribhuvan International Airport is located in Kathmandu. The city runs on the UTC+5:47 timezone and is nine 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 avoid the mad dash to your gate.

  • Planning to travel during a peak period like public or school holidays? Expect longer lines at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • DCA is about 8 kms (5 miles) from central Washington DC. If you're driving, catching a cab or ride-sharing from the centre, it'll take 15 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 45 minutes.

  • In search of a comfortable hotel near Ronald Reagan National Airport? If you're catching an early flight from Washington DC to Tribhuvan International Airport, these stays will have you sleeping just around the corner from the terminal:

  • Of all flights leaving Ronald Reagan National Airport, 76.44% arrive on time at their destination.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Add a little extra to your holiday with a stopover on your flight from Washington DC to Tribhuvan International Airport. Here's where you can connect between Washington Dulles International Airport and KTM:

    • Istanbul Ataturk Airport (IST)

    • Dubai Airport (DXB)

    • Hamad International Airport (DOH)

  • You can arrive at IAD from central Washington DC in about 50 minutes by car, depending on traffic. The journey on public transport will take roughly 1 hour 10 minutes to travel the 56 kms (35 miles) or so.

  • Flying off with the first light? Think about checking in to one of these accommodation options near Washington Dulles International Airport the day before your Washington DC to KTM flight:

  • 74.39% of flights taking off from Washington Dulles International Airport arrive within the expected time frame.

  • You'll find IAD at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • BWI is around 48 kms (30 miles) from central Washington DC. Driving from the city centre to the terminal takes about 50 minutes. If you're planning to take public transport, you can expect a journey of around 1 hour 30 minutes.

  • Make catching an early Washington DC to Tribhuvan International Airport flight the easiest part of your trip. Stay at one of these hotels near Baltimore/Wash International Thurgood Marshall Airport and head to your check-in counter without rushing:

  • The on-time performance rating of BWI is 77.13%. In simpler terms, that's how often flights from this airport reach their final stop as planned.

About Tribhuvan International Airport (KTM)

  • If you're coming in on a late flight from Washington DC to Tribhuvan International Airport, few things top the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and relaxing soon after at one of these options near KTM:

  • Enjoy the freedom to roam with a Tribhuvan International Airport rental car. Pick up a set of wheels from Spark Car to explore Kathmandu and beyond.

  • Lock in the best deal by reserving your ride around one week ahead of your Washington DC to Tribhuvan International Airport flight.

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

  • The cheapest price we've found for a one-way ticket from Washington DC to Tribhuvan International Airport is £298. For a return flight on this route, the best price is £643. Depending on the availability and when you book, these fares may change.

  • Booking early is often the key to scoring a cheap flight from Washington DC to KTM. Fares tend to rise as seats fill up, so the closer you get to departure, the more you'll likely pay.

  • If you have some flexibility with your travel plans, try using the 'Whole month' tool. It'll give you the lowest price across the month when searching for your Washington DC to Tribhuvan International Airport ticket.

  • You don't need to search every day to find out if prices have dropped when you create a Price Alert. We'll let you know as soon as there's a better deal on plane tickets from Washington DC to KTM.

  • Bag the best deal on a flight from Washington DC to Tribhuvan International Airport with the help of the filters. Pick your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

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

  • It's time to decide your travel dates for your flight from Washington DC to Tribhuvan International Airport (KTM). October is the busiest month to visit Kathmandu. If crowds aren't your thing, go in February.

  • Before locking in your Washington DC to KTM plane ticket, consider the type of weather you enjoy. June is the warmest month in Kathmandu, with temperatures ranging from 17ºC (63ºF) to 28ºC (82ºF).

  • Look for cheap tickets from Washington DC to Tribhuvan International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC (37ºF) and 18ºC (64ºF).

More about Kathmandu

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in Kathmandu right here. Browse these hotels after locking in your flight from Washington DC to Tribhuvan International Airport:

  • There are so many things to discover in this city, it can be hard to figure out where to begin. Kathmandu Durbar Square, Annapurna Base Camp Trek and Himalaya Discovery are highlights which should feature on any well-planned Kathmandu itinerary.

Explore more of Nepal

  • You've seen Kathmandu, now it's time to explore other corners of Nepal. Travel around 145 kms (90 miles) north-west to Pokhara to check off its top attractions. From Viewpoint to Pokhara Lakeside and Sarangkot sunrise pokhara, there's plenty to keep you on the go.

  • Biratnagar is another favourite destination in Nepal and is around 241 kms (150 miles) south-east of Kathmandu. No journey is complete without seeing Haleshi Mahadev Mandir, Birateshwor Shiva Temple and Shiva Mandir.

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.