What’s the cost of a flight from Philadelphia to Seoul Incheon?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Philadelphia and Seoul.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Are there multiple airports in Philadelphia and Seoul?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Philadelphia: Trenton Mercer is an alternative to Philadelphia - International.
• Airports in Seoul: 2 airports are available in Seoul - Gimpo, Incheon.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Plan your perfect flight from Philadelphia to Seoul Incheon

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers like Delta, United, American, and more.

Other popular destinations

Planning a trip to South Korea? Other frequent searches include: Jeju City, Kwangju, Pusan, Seoul, Taegu.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.