Cheap flights from Philadelphia to Seoul from $422
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Seoul departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Philadelphia to Incheon Intl Airport
Our best American Airlines deals on Philadelphia to Incheon Intl Airport flight tickets
Delta flights from Philadelphia to Incheon Intl Airport
Our best Delta deals on Philadelphia to Incheon Intl Airport flight tickets
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How to get the cheapest flight ticket from Philadelphia to Incheon Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Incheon Intl Airport?
The cheapest month to fly to Incheon Intl Airport from Philadelphia is in April. Flight prices, which tend to average around $870, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of April, then departing from Philadelphia during the month March is also very affordable. Most momondo users find prices during this month for around $873.
What is the cheapest day to depart on your flight to Incheon Intl Airport?
The cheapest day to depart from Philadelphia to Incheon Intl Airport is on a Thursday when prices can be found for as low as $1,178. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,457. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.
What is the cheapest time of day to depart on your flight to Incheon Intl Airport?
In the morning is the cheapest time of day to fly from Philadelphia to Incheon Intl Airport when you can find flight prices for as low as $1,241. Flying to Incheon Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $2,271 on average. Flights to Incheon Intl Airport from Philadelphia at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Incheon Intl Airport?
You are more likely to see cheaper flights to Incheon Intl Airport from Philadelphia when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,108 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Philadelphia for as low as $945 on momondo.
What is the cheapest airline that flies from Philadelphia to Incheon Intl?
American Airlines, Air Canada, and Delta are the most popular carriers operating from Philadelphia to Incheon Intl
What airlines fly to Incheon Intl Airport?
AIR PREMIA, Air Canada and Delta are the top three most popular airlines that fly to Incheon Intl Airport from Philadelphia according to our data. AIR PREMIA is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 8 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Philadelphia to Incheon Intl Airport
Cheap Philadelphia to Incheon Intl Airport (PHL to ICN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Incheon Intl Airport
How far is Philadelphia to Incheon Intl by plane?
Philadelphia and Incheon Intl are 6911.2 mi apart from one another. A reasonable flight in good conditions will take 17h 55m.
When did momondo last update prices for flights from Philadelphia Airport to Incheon Intl Airport?
Prices for flights from Philadelphia Airport to Incheon Intl Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Incheon Intl Airport?
The number of operators available for flights from Philadelphia Airport to Incheon Intl Airport is 5 as of June 2025.
How old do you have to be to fly from Philadelphia Airport to Incheon Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Incheon Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Incheon Intl Airport is Air Canada (59% of total bookings). The next most popular airlines are Delta (21%), Korean Air (8%), and United Airlines (8%).
Best airlines flying from Philadelphia to Incheon Intl Airport
Compare and see reviews for airlines that fly from Philadelphia to Incheon Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $601 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $795 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom $866 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $872 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $1,076 | Free Cancellation | Rating 8.4 1,088 reviews |
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Why should I use momondo to find a flight deal from Philadelphia to Seoul?
It is quick and easy to find Philadelphia to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.
Can I find flights from Philadelphia to Seoul with flexible booking policies on momondo?
Flights from Philadelphia to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Philadelphia to Seoul?
momondo helps you find the best flight between Philadelphia and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Philadelphia to Seoul right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Philadelphia and alert you when they change.