Return fares to Seoul by month, based on the cheapest return airfares found for each month.
The cheapest month to fly to Seoul is November 2026, with return fares from $591 — 62% cheaper than the most expensive month (January 2027, from $1,571).
Based on the fares we've tracked, November is typically the cheapest month to fly to Seoul, with return fares from $591. January is the most expensive month, with the cheapest return fares around $1,571 as school holidays and the Christmas peak push prices up.
Across the year, return fares to Seoul average around $881. If you can travel in the off-peak months of November, March and August, you'll generally pay up to 33% less than the yearly average.
These are the cheapest prices for return airfares to Seoul
These are the average prices for return airfares to Seoul
When is the cheapest time to travel to Seoul? The cheapest month to travel is typically October.
How much do return flights to Seoul cost?The best price we found for a return flight to Seoul is $642.
What is the cheapest date to fly to Seoul?Currently, the cheapest date for a return flight to Seoul is 26 July 2026.
What is the cheapest airline that flys to Seoul?Currently, the cheapest airline that flys to Seoul is Jetstar.
Which airlines fly direct to Seoul? Jetstar, Korean Air, Asiana Airlines, Qantas, Tway Air and Virgin Atlantic fly direct.
How long does a direct flight to Seoul take? The shortest direct flight usually takes 9 hours and 50 minutes.
What is the IATA airport code for Seoul?The IATA code for Seoul is SEL.
When should you book flights to Seoul?From our data, you should book flights to Seoul 60 days out.
Incheon Airport is on Yeongjong Island, about 55 km west of central Seoul. Despite the distance, the rail link makes the trip straightforward. The airport has two terminals about 15 km apart, connected by a free inter-terminal train. Check which terminal your flight uses.
- AREX Express train is the fastest option, running non-stop from the airport to Seoul Station in 43 minutes. Trains depart every 20 to 40 minutes. All seats are reserved and there is a luggage rack.
- AREX all-stop train calls at intermediate stations including Hongdae and Gimpo Airport, reaching Seoul Station in about 55 to 60 minutes. Trains run every 5 to 10 minutes. Accepts T-money cards, making transfers to the Seoul Metro seamless.
- Airport limousine buses run direct to destinations across Seoul including Myeongdong, Gangnam and Dongdaemun. Journey time is 70 to 90 minutes depending on traffic. Useful if your hotel is near a stop on the route.
- Taxis queue at ranks outside arrivals. The drive to central Seoul takes 60 to 90 minutes, longer during peak hours. International (black) taxis accept credit cards and drivers are more likely to speak English.
Buy a T-money card from a convenience store in the terminal. It works on the AREX all-stop train, the Seoul Metro and most buses.
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