Cheap Flights from Incheon International to Philadelphia

Compare Incheon International to Philadelphia flight deals

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

Book the best Philadelphia fare with no extra fees

Flight deals from Incheon International to Philadelphia

Looking for a cheap last-minute deal or the best return flight from Incheon International to Philadelphia? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Incheon International to Philadelphia

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

Alternative Incheon International to Philadelphia routes

Looking for the cheapest, fastest or easiest route from Incheon International to Philadelphia? You could fly into the following airports instead.

Seoul to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundRs122,128
Cheapest month to flyOctober

Finding cheap flights from Incheon International 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 Incheon International to Philadelphia is Rs149,996. 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 Incheon International to Philadelphia. But we found flights with one or more stops from Rs149,996.
As of September 2025, there are no flights flying from Incheon International to Philadelphia.
The cheapest month to fly from Incheon International to Philadelphia is usually September.
If you're flying from Incheon International 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 Rs149,996.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Philadelphia on Wednesday, 17 September 2025.
No airlines currently offer direct flights between Incheon International 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 September, the average temperature is usually around 20°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, Air Canada offers the cheapest flight tickets to Philadelphia.

Flying from Incheon International Airport (ICN) to Philadelphia: what you need to know

  • Incheon International Airport is located in Seoul. Based in the UTC-4 timezone, Philadelphia is 13 hours behind Seoul.

  • For a relaxed start to your ICN to Philadelphia flight, leave enough time to check in and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • Longer lines at check-in and security are more likely if you're travelling during high season, so allow some extra breathing room. A good rule for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Stopovers are the ideal opportunity to take a break from travelling and possibly even explore another city. When searching for flight tickets from ICN to Philadelphia, uncheck the 'Direct flights only' box to see where you can stop along the way. Consider one of these popular options:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Pearson International Airport (YYZ)

    • Washington Dulles International Airport (IAD)

  • ICN is roughly 48 kilometres from the centre of Seoul. To work out how to get there, use Google Maps. This handy travel app will show you the quickest route and available public transport options.

  • Have an early flight from Incheon International Airport to Philadelphia? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays near ICN:

  • When it comes to the on-time performance of Incheon International Airport, 54.5% of flights complete their journey on time.

How to find the cheapest flights from Incheon International Airport (ICN) to Philadelphia

  • Rs122,128 is the cheapest price we've found for a one-way Incheon International Airport to Philadelphia flight. A return ticket right now is Rs149,996. Depending on when you want to go and the availability, these fares may change.

  • To find cheap flights from ICN to Philadelphia, book early. Airlines tend to offer the most competitive fares when tickets first go on sale.

  • The 'Whole month' tool will show you the cheapest tickets from Incheon International Airport to Philadelphia throughout the entire month. It's a good way to find a bargain if your travel dates aren't set in stone.

  • Save time looking for cheap flights from ICN to Philadelphia by creating a Price Alert. We'll send you an email or notification through the app when a special offer becomes available.

  • Tailor your trip with filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Incheon International Airport to Philadelphia.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • The distance from Philadelphia International Airport (PHL) to central Philadelphia is roughly 19 kilometres. It takes around 15 minutes to get to the centre driving.

  • It typically takes 45 minutes if you're using public transport.

  • If you have a late flight from Incheon International Airport to Philadelphia, few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near PHL:

  • Follow your own route with a Philadelphia International Airport rental car. Pick up your wheels from Dollar, Thrifty or Budget and experience more of Philadelphia and beyond.

  • To secure the lowest price, reserve your vehicle from Philadelphia International Airport about three weeks ahead of your flight from ICN to Philadelphia.

  • PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • The centre of Philadelphia is about 56 kilometres from Trenton-Mercer Airport (TTN). After your flight from Incheon International Airport to Philadelphia has touched down and you've made your way through the terminal, expect a drive of around 40 minutes.

  • If you travel by public transport, you'll get to the city centre in 1 hour 45 minutes or so.

  • After stepping off your ICN to Philadelphia flight, tuck yourself in at a hotel close to TTN. These are some comfortable accommodation options that'll help you get into relaxation mode:

  • Budget, National and Enterprise make picking up a Trenton-Mercer Airport rental car quick and easy. These reliable suppliers are located in or around the terminal and will have you on the road before long.

  • Score the best price by securing your ride from TTN four weeks in advance. You can also expect to have a greater range of vehicles.

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

Best time to go to Philadelphia

  • Carefully consider your travel dates before locking in your flight from Incheon International Airport to Philadelphia. The city buzzes during high season, but rates are generally higher and top attractions can get busy. Go to Philadelphia in the low season if you want a quieter vibe.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC and 32ºC. Book your Incheon International Airport to Philadelphia flight ticket then if that's your idea of comfortable weather.

  • If you want to travel in cooler conditions, look for a cheap ticket from ICN to Philadelphia in January when temperatures average between -7ºC and 9ºC.

More about Philadelphia

Explore more of United States

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

  • If you're ready to explore another well-known destination in United States, consider Boston, roughly 434 kilometres north-east of Philadelphia. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are the start of reasons to visit.

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