Seoul (ICN) → Philadelphia (PHL)

11,136 km
14h 25m flight
From $1420
Philadelphia destination photo

About Seoul to Philadelphia Flights

Discover the best flights from Seoul to Philadelphia, covering 11,136 km in approximately 14h 25m. Seoul (ICN) to Philadelphia (PHL) is one of the major long-haul routes connecting South Korea and United States. 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 Seoul to Philadelphia.

12-Month Price History

Flight prices from Seoul to Philadelphia vary significantly throughout the year. February typically offers the best deals with average prices around $1959, while July sees the highest prices, averaging $3267. Savvy travelers can save up to 40% 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

106 days

For best prices

Booking Tips

For the best prices on Seoul to Philadelphia flights, we recommend booking 128 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

United Airlines

UA

Economy

$2390

Business

$7910

First

$14020

American Airlines

AA

Economy

$2410

Business

$9860

First

$14550

Piedmont Airlines

PT

Economy

$2540

Business

$9840

First

$15410

Korean Air

KE

Economy

$2640

Business

$8590

First

$12640

Asiana Airlines

OZ

Economy

$2720

Business

$8110

First

$16990

Delta Air Lines

DL

Economy

$2870

Business

$8620

First

$16060

UPS Airlines

5X

Economy

$3030

Business

$8630

First

$16190

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

Alternative Flight Options

Philadelphia destination photo

SeoulPhiladelphia

Gimpo International (GMP) to Philadelphia International (PHL)

Distance: 11,116 km

Average price: $2298

View this route →
New York destination photo

SeoulNew York

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

Distance: 11,090 km

Average price: $2293

View this route →
Newark destination photo

SeoulNewark

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

Distance: 11,075 km

Average price: $2290

View this route →
Washington destination photo

SeoulWashington

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

Distance: 11,196 km

Average price: $2313

View this route →

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Frequently Asked Questions

How long is the flight from Seoul to Philadelphia?

The flight time from Seoul (ICN) to Philadelphia (PHL) 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 Seoul and Philadelphia?

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

Which airlines fly from Seoul to Philadelphia?

Several airlines operate flights between Seoul and Philadelphia, 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 Seoul to Philadelphia?

Based on historical data, February typically offers the lowest airfares for flights from Seoul to Philadelphia. 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 Philadelphia?

For the best prices on Seoul to Philadelphia flights, we recommend booking 129 days in advance. International flights generally require earlier booking than domestic routes.

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

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

What is the time difference between Seoul and Philadelphia?

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