Philadelphia (PHL) → Seoul (ICN)

11,136 km
14h 25m flight
From $1390
Seoul destination photo

About Philadelphia to Seoul Flights

Discover the best flights from Philadelphia to Seoul, covering 11,136 km in approximately 14h 25m. Philadelphia (PHL) to Seoul (ICN) is one of the major long-haul routes connecting United States and South Korea. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Philadelphia to Seoul.

12-Month Price History

Flight prices from Philadelphia to Seoul vary significantly throughout the year. February typically offers the best deals with average prices around $1946, while July sees the highest prices, averaging $3299. Savvy travelers can save up to 41% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

105 days

For best prices

Booking Tips

For the best prices on Philadelphia to Seoul flights, we recommend booking 136 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Piedmont Airlines

PT

Economy

$3310

Business

$11350

First

$18630

Delta Air Lines

DL

Economy

$3460

Business

$11960

First

$20810

UPS Airlines

5X

Economy

$3530

Business

$11800

First

$22370

Asiana Airlines

OZ

Economy

$3790

Business

$14990

First

$22670

United Airlines

UA

Economy

$3980

Business

$13210

First

$20790

American Airlines

AA

Economy

$4040

Business

$13370

First

$23180

Korean Air

KE

Economy

$4150

Business

$13030

First

$19440

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Seoul destination photo

New YorkSeoul

John F. Kennedy International (JFK) to Incheon International (ICN)

Distance: 11,090 km

Average price: $2293

View this route →
Seoul destination photo

NewarkSeoul

Newark Liberty International (EWR) to Incheon International (ICN)

Distance: 11,075 km

Average price: $2290

View this route →
Seoul destination photo

WashingtonSeoul

Ronald Reagan Washington National (DCA) to Incheon International (ICN)

Distance: 11,196 km

Average price: $2313

View this route →
Seoul destination photo

PhiladelphiaSeoul

Philadelphia International (PHL) to Gimpo International (GMP)

Distance: 11,116 km

Average price: $2298

View this route →

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Frequently Asked Questions

How long is the flight from Philadelphia to Seoul?

The flight time from Philadelphia (PHL) to Seoul (ICN) is approximately 14 hours and 25 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Philadelphia and Seoul?

The aerial distance between Philadelphia and Seoul is 11,136 kilometers (6,920 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Philadelphia to Seoul?

Several airlines operate flights between Philadelphia and Seoul, including Korean Air, Asiana Airlines, Piedmont Airlines and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Philadelphia to Seoul?

Based on historical data, February typically offers the lowest airfares for flights from Philadelphia to Seoul. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Seoul?

For the best prices on Philadelphia to Seoul flights, we recommend booking 65 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Philadelphia to Seoul?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to South Korea should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Philadelphia and Seoul?

Philadelphia operates on America/New_York time zone, while Seoul is in the Asia/Seoul time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.