Cheap Flights from Philadelphia International to Kathmandu

Compare Philadelphia International 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 Philadelphia International Airport to Kathmandu Airport

Looking for a cheap last-minute deal or the best return flight from Philadelphia International Airport to Kathmandu Airport? If you want to travel next month, return fares start from R 28,687. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia International to Kathmandu

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

Philadelphia International to Kathmandu: Alternative routes

Compare routes from Philadelphia International 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 9,693
Cheapest month to flyAugust

Finding cheap flights from Philadelphia International to Kathmandu: Frequently asked questions

The best price we found for a return flight from Philadelphia International to Kathmandu is R 21,801. 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 International to Kathmandu. But we found flights with one or more stops from R 21,801.
As of March 2026, there are no flights flying from Philadelphia International to Kathmandu.
The cheapest month to fly from Philadelphia International to Kathmandu is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Kathmandu Airport on Friday, 1 May 2026.
No airlines currently offer direct flights between Philadelphia International Airport 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.
Currently, Qatar Airways offers the cheapest flight tickets to Kathmandu.

Travelling from Philadelphia International Airport (PHL) to Tribhuvan International Airport (KTM): what you need to know

  • The timezone in Kathmandu is UTC+5:47, which is nine hours 48 minutes ahead of Philadelphia.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Show up at the airport on time to board your PHL to KTM flight.

  • Travelling during a peak time such as August? School holidays and other popular seasons can lead to longer lines at security. Play things extra safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • If you want to explore a different city along the way, look for a flight with a stopover. To see all your options for tickets from Philadelphia International Airport to Tribhuvan International Airport, uncheck 'Direct flights only.' Hamad International Airport is a popular stop between PHL and KTM.

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

  • The cheapest price we've found for a one-way Philadelphia International Airport to Tribhuvan International Airport flight is R 9,693. A return fare is currently R 21,801. Depending on the availability and when you book, these fares can change.

  • Don't leave things to the last moment. You're more likely to get cheap tickets from PHL to KTM if you book ahead. Airlines often offer some fantastic early bird discounts.

  • Getting cheap flights from Philadelphia International Airport to Tribhuvan International Airport is easier if you can be flexible with your trip dates. Use the 'Whole month' search function to see the lowest fares across every month and snap up a great deal.

  • Getting your hands on cheap flights from PHL to KTM couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a new deal comes up.

  • Secure the ideal flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Philadelphia International Airport to Tribhuvan International Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Philadelphia International Airport (PHL)

  • You'll find PHL at Industrial Highway and Island Road.

  • 78.93% of flights that take off from Philadelphia International Airport reach their destination on schedule.

  • To reach Philadelphia International Airport from central Philadelphia, it'll take around 15 minutes if you're travelling by car. This depends on traffic though. It's approximately 19 kilometres from the airport to the city centre.

  • The journey on public transport takes roughly 45 minutes.

  • Taking an early flight from Philadelphia International Airport to Tribhuvan International Airport? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels near PHL:

Arriving at Tribhuvan International Airport (KTM)

  • If you have a late Philadelphia International Airport to Tribhuvan International Airport flight, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be resting soon after at one of these accommodation options near KTM:

  • Venture beyond Kathmandu and explore places that don't make every travel guide with your own wheels. You can pick up a Tribhuvan International Airport rental car from Spark Car.

  • To get the best deal, book your ride from Tribhuvan International Airport around one week before you set off.

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

  • Tribhuvan International Airport is roughly 5 kilometres from central Kathmandu. Driving there takes about 15 minutes.

When to fly to Tribhuvan International Airport (KTM)

  • September is the busiest month for flights from Philadelphia International Airport to Tribhuvan International Airport. To avoid the crowds, head to Kathmandu in February.

  • The warmest month in Kathmandu is June, with temperatures ranging between 17ºC (63ºF) and 28ºC (82ºF). Lock in your flights from Philadelphia International Airport to Tribhuvan International Airport in this month if you like this kind of weather.

  • Search for cheap tickets from PHL to KTM in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC (37ºF) and 18ºC (64ºF) on average.

Explore more of Nepal

  • Kathmandu has its own special appeal, but there are so many other parts of Nepal waiting to be explored. Around 145 kilometres north-west of Kathmandu, a visit to Pokhara will fill your itinerary to the brim. Start with leading sights like Phewa Lake, Sarangkot and Gupteshwor Mahadev Cave.

  • Around 6 kilometres south of Kathmandu, Patan is another favourite stop in Nepal. Experience the best of this destination with a visit to Aspur Agro Farm, Pimbahaa Pukhoo and Rajib Handicraft.

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