Cheap flights from Kathmandu to Philadelphia

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

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Find the cheapest month to fly from Kathmandu to Philadelphia

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

Kathmandu to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundP79,916
Cheapest month to flySeptember

Finding cheap flights from Kathmandu to Philadelphia: Frequently asked questions

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from Kathmandu to Philadelphia is P79,916. 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 Kathmandu to Philadelphia. But we found flights with one or more stops from P79,916.
As of February 2026, there are no flights flying from Kathmandu to Philadelphia.
The cheapest month to fly from Kathmandu to Philadelphia is usually September.
If you're flying from Kathmandu Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from P79,916.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Philadelphia on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Kathmandu Airport and Philadelphia. 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 Philadelphia 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 Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 0°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
Currently, Qatar Airways offers the cheapest flight tickets to Philadelphia.

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

  • Tribhuvan International Airport is located in Kathmandu. Based in the UTC-4 timezone, Philadelphia is nine hours 48 minutes behind Kathmandu.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your KTM to Philadelphia flight.

  • Travelling during a peak time like public or school holidays? Expect longer queues at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Stopovers offer the perfect opportunity to explore a new place or just have a break during your trip. When looking for a plane ticket from KTM to Philadelphia, uncheck 'Direct flights only' to check out all potential stops. Hamad International Airport (DOH) is a top stop on this route.

  • Central Kathmandu to KTM is around 3 kilometres. Depending on traffic conditions, it'll take you about 15 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Planning to catch an early flight from Tribhuvan International Airport to Philadelphia? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to KTM:

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

  • P37,223 is the cheapest price we've seen for a one-way Tribhuvan International Airport to Philadelphia flight. A return plane ticket right now is P79,916. Depending on the availability when you book, these fares can change.

  • Booking ahead of time is often the key to locking in a cheap flight from KTM to Philadelphia. Airlines adjust prices based on demand, so the closer you get to departure, the more expensive your ticket may be.

  • Finding cheap tickets from Tribhuvan International Airport to Philadelphia is more likely if you can be flexible with your trip dates. Use the 'Whole month' search tool to get the lowest prices across every month and bag an awesome deal.

  • You don't need to keep checking in to see if fares have dropped when you create a Price Alert. We'll let you know the moment there's an even bigger deal on cheap flights from KTM to Philadelphia.

  • Select your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Tribhuvan International Airport to Philadelphia by 'Cheapest,' 'Fastest' or 'Best.'

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Philadelphia International Airport (PHL) to central Philadelphia takes about 15 minutes to reach by car. The centre is roughly 19 kilometres away.

  • Travelling on public transport will take you around 45 minutes.

  • If you're coming in on a late flight from Tribhuvan International Airport to Philadelphia, few things beat the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and relaxing soon after at one of these hotels near PHL:

  • Pick up a Philadelphia International Airport rental car and discover Philadelphia and beyond with your own set of wheels. Dollar, Thrifty and Budget are leading providers you can book with here.

  • To get the best deal, book your ride from Philadelphia International Airport about three weeks ahead of your flight from KTM to Philadelphia.

  • The address for PHL is 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • Trenton-Mercer Airport (TTN) is around 56 kilometres from the centre of Philadelphia. Following your flight from Tribhuvan International Airport to Philadelphia, it'll take you around 40 minutes to get to the heart of the city in a ride-share or cab.

  • If you choose to travel on public transport, the ride to the centre will take you 1 hour 45 minutes or so.

  • Hang up the 'Do not disturb' sign and rest at a hotel close to TTN. Here are a few options where you can kick back after your KTM to Philadelphia flight:

  • Forget about inconvenient public transport timetables or waiting forever for a cab. Grab a Trenton-Mercer Airport rental car and take your journey in whatever direction you like. Check out the availability and rates from Budget, National and Enterprise.

  • Avoid paying extra. Securing your ride four weeks ahead of your arrival at TTN can land you a better rate.

  • You'll find Trenton-Mercer Airport at Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • Travel to Philadelphia in high season if you want a lively atmosphere, but remember that prices may be higher. Alternatively, book flights from Tribhuvan International Airport to Philadelphia in the low season when prices are cheaper and it's less crowded.

  • Book a Tribhuvan International Airport to Philadelphia plane ticket with a departure in July if you want to explore the city during its warmest month. Expect temperatures to range from 18ºC (64ºF) to 32ºC (90ºF).

  • Look for cheap tickets from KTM to Philadelphia in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -7ºC (19ºF) and 9ºC (48ºF) on average.

More about Philadelphia

Explore more of United States

  • New York is just one of the many cities in United States waiting to be discovered once you've seen the sights of Philadelphia. Around 129 kilometres away to the north-east, its top attractions include Statue of Liberty, Central Park and Empire State Building.

  • If you're eager to discover another well-known destination in United States, consider Boston, about 434 kilometres north-east of Philadelphia. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are among its highlights.

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