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Price Intelligence
Cheap $759
Average $986
Expensive $1409+
Volatility: High
Best booking window: 8 weeks ahead
Lowest observed: $709
Month by Month Prices
■ Cheapest: Feb ($877)
■ Most expensive: Dec ($1409)
Booking Strategy
Seoul to Philadelphia is usually best booked 7 to 10 weeks ahead, with February often giving the best value.
Avoid these periods
Dec
Aug
Jul
Airlines on This Route
✈ Korean Air
Primary
✈ Asiana Airlines
✈ United Airlines
✈ Delta Air Lines
Connection hubs
📍 Tokyo
📍 Seoul
📍 Doha
Route Intelligence
Seoul to Philadelphia is a major east asia usa corridor shaped by business, leisure, hub and diaspora demand.