Cheap Flights from Philadelphia to Kathmandu

Compare Philadelphia to Kathmandu flight deals

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

Book the best Kathmandu fare with no extra fees

Flight deals from Philadelphia to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Kathmandu Airport? If you want to travel next month, return fares start from R 32,741. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia to Kathmandu

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

Philadelphia to Kathmandu: Alternative routes

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

Philadelphia to Kathmandu: Flight information

The things to know before you go.
Cheapest flight foundR 11,343
Cheapest month to flyOctober

Finding cheap flights from Philadelphia to Kathmandu: Frequently asked questions

The best price we found for a return flight from Philadelphia to Kathmandu is R 18,605. 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 Philadelphia to Kathmandu. But we found flights with one stop from R 18,605.
As of June 2026, there are no flights flying from Philadelphia to Kathmandu.
The cheapest month to fly from Philadelphia to Kathmandu is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Kathmandu Airport on Wednesday, 23 September 2026.
No airlines currently offer direct flights between Philadelphia 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 Qatar Airways .

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

  • The timezone in Kathmandu is UTC+5:47, which is ten hours 48 minutes ahead of Philadelphia. Kathmandu Tribhuvan International Airport is located in Kathmandu.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport on time to board your flight from Philadelphia to KTM.

  • If you're getting away during a popular month like July, get to the airport even earlier. It's smart to arrive up to four hours before an international flight and two hours ahead of domestic departures. Check-in and security lines will be longer during holiday periods like Thanksgiving and spring break.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Whether you're eager to discover another city as part of your journey or just have a break, we make it a breeze to book a flight with a stopover. To check out your options departing from Philadelphia International Airport (PHL), uncheck 'Direct flights only.' Doha Hamad International Airport (DOH) is a stop you can make when searching for cheap flights from Philadelphia to KTM.

  • Located around 18 kilometres from central Philadelphia, PHL can be reached in about 20 minutes by car (depending on traffic). The journey on public transport will take roughly 30 minutes.

  • Want a stress-free start to your journey? Stay near Philadelphia International Airport. Whether you're boarding an early flight from Philadelphia to Kathmandu Tribhuvan International Airport or prefer not to rush, these hotels are just the thing:

  • Of the departures from Philadelphia International Airport, 77% land on time at their destination.

  • PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • TTN is about 48 kilometres from central Philadelphia. It takes 40 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 1 hour 35 minutes.

  • Got an early start? You might like to check in to one of these hotels near Trenton-Mercer Airport the day before your Philadelphia to KTM flight:

  • Trenton-Mercer Airport has an on-time performance of 76%. This figure gives an insight into how often flights departing from this airport arrive on schedule.

  • You'll find TTN at Scotch Road, Terminal Building.

About Kathmandu Tribhuvan International Airport (KTM)

  • If you have a late flight from Philadelphia to Kathmandu Tribhuvan International Airport, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and snoozing soon after at one of these hotels near KTM:

  • Booking your ride around one week ahead of your Philadelphia to Kathmandu Tribhuvan International Airport flight can help you secure the lowest rate.

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

  • Central Kathmandu is around 6 kilometres from Kathmandu Tribhuvan International Airport and takes about 30 minutes to reach by car. See what your options are for getting into town, whether that's with a car hire, taxi or ride-share.

  • Travelling on public transport will take you around 40 minutes.

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

  • R 11,343 is the best price for a one-way ticket from Philadelphia to Kathmandu Tribhuvan International Airport. Return flights start at R 18,605. These prices may change depending on demand.

  • Booking early is often the key to scoring a cheap flight from Philadelphia to KTM. Prices tend to rise as demand increases, so the closer you get to departure, the more you'll likely spend on your ticket.

  • If you can be flexible with your travel plans, use the 'Whole month' search tool. It'll give you the cheapest price in each month when searching for your Philadelphia to Kathmandu Tribhuvan International Airport ticket.

  • Never miss a deal on plane tickets from Philadelphia to KTM by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

  • Save on your flight from Philadelphia to Kathmandu Tribhuvan International Airport by using the search filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

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

  • December is the quietest month for flights from Philadelphia to Kathmandu Tribhuvan International Airport (KTM), while February is the most popular. Figure out the best time to go to Kathmandu based on whether you want a lively atmosphere or a more laid-back vibe.

  • Before locking in your Philadelphia to KTM plane ticket, consider the weather you're most comfortable in. June is the warmest month in Kathmandu, with temperatures ranging from 17ºC (63ºF) to 30ºC (86ºF).

  • January sees temperatures of between 3ºC (37ºF) and 19ºC (66ºF). Search for cheap tickets from Philadelphia to Kathmandu Tribhuvan International Airport around that time if you like cooler conditions.

More about Kathmandu

  • Once you've booked your flight from Philadelphia to Kathmandu Tribhuvan International Airport, find a hotel that puts you in a great location. Make one of these accommodation options your base for exploring Kathmandu:

  • You'll find plenty of terrific things to do in Kathmandu when you're ready to get out and sightsee. Start exploring at Kathmandu Durbar Square followed by Boudhanath Stupa and Swayambhunath Stupa.

Explore more of Nepal

  • Pokhara is just one of the many places in Nepal waiting to be discovered once you've seen the sights of Kathmandu. Around 145 kilometres away to the northwest, its best attractions include Phewa Lake, Parahawking and Sarangkot View Point.

  • If you're interested in discovering another major stop in Nepal, consider Biratnagar, roughly 241 kilometres southeast of Kathmandu. Haleshi Mahadev Mandir, Birateshwor Shiva Temple and ISKCON Jaljala are among its highlights.

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