Cheap flights from St. Louis, MO to Seoul, South Korea
Flights starting at $769. Choose between Alaska Airlines, Japan Airlines, or All Nippon Airways to find the best price.
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Tips to know when travelling to Seoul
Cheapest one-way trip | $865 |
---|---|
Cheapest round-trip | $1,247 |
Average round-trip | $1,263 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
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Book your trip to arrive at Incheon International, or Gimpo International. The most popular airlines for this route are Alaska Airlines, Japan Airlines, All Nippon Airways, Spirit Airlines, and Asiana Airlines. St. Louis and Seoul have 163 direct flights per week. When you arrive at Seoul, consider visiting Songdo, N Seoul Tower, and Changdeokgung Palace Complex, South Korea.
Check-in for a flight from St. Louis to Seoul
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Japan Airlines | JAL | JL | No | 0 0 |
All Nippon Airways | ANA | NH | Yes | 0 0 |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Asiana Airlines | AAR | OZ | Yes | 0 0 |
Weather in Seoul
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 1°C | -5°C |
February | 4°C | -2°C |
March | 10°C | 2°C |
April | 17°C | 7°C |
May | 22°C | 12°C |
June | 27°C | 18°C |
July | 28°C | 22°C |
August | 29°C | 22°C |
September | 25°C | 17°C |
October | 19°C | 11°C |
November | 11°C | 4°C |
December | 2°C | -3°C |
14 day forecast
Frequently asked questions
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