Month-by-month flight prices, weather and crowds for South Korea, scored for travellers flying from Sydney.
The short answer
The best time to fly to South Korea from Sydney is March to May and October to November, when good weather, manageable crowds and competitive fares line up. The Window Score peaks at 80/100 in October. Flights are usually cheapest in March (around A$678 return).
Window Score blends weather, crowds, flight price and AUD strength. Higher is better.
| Month | Window Score | Avg temp | Rainfall | Crowds | Avg return fare |
|---|---|---|---|---|---|
| January | 36Fair | -3°C | 19mm | Moderate crowds | A$1,297 |
| February | 52Good | 0°C | 27mm | Low crowds | A$1,022 |
| March | 77Great | 5°C | 37mm | Moderate crowds | A$678 |
| April | 76Great | 11°C | 70mm | Busy | A$860 |
| May | 75Great | 17°C | 95mm | Moderate crowds | A$800 |
| June | 47Fair | 22°C | 134mm | Moderate crowds | A$678 |
| July | 18Poor | 24°C | 315mm | Moderate crowds | A$1,535 |
| August | 21Poor | 25°C | 263mm | Busy | A$1,785 |
| September | 60Good | 20°C | 123mm | Busy | A$1,440 |
| OctoberBest | 80Excellent | 14°C | 54mm | Busy | A$876 |
| November | 79Great | 6°C | 46mm | Moderate crowds | A$865 |
| December | 45Fair | -1°C | 23mm | Moderate crowds | A$1,168 |
South Korea has become one of Asia's most compelling travel destinations, and not just because of K-pop and K-drama (though both are very much on display in Seoul). The capital is extraordinary: ultra-modern infrastructure layered over ancient palace grounds, a street food scene centred on Myeongdong and Gwangjang Market, and a nightlife district in Itaewon that runs until dawn.
Beyond Seoul: Busan's coastal energy and Jagalchi fish market, the preserved Hanok village of Jeonju, the volcanic island of Jeju, and the ski resorts of PyeongChang in winter.
March to May and October to November are the best months to fly from Sydney to South Korea, when weather, crowds and fares align. The Window Score peaks at 80/100 in October.
March, with return fares from Sydney averaging around A$678, roughly 37% below the South Korea yearly average.
Return fares range from about A$678 in March up to A$1,785 in peak months. Booking in a lower-priced month can save hundreds.
Yes. Direct flights are available on this route in at least some months. Connections may be cheaper in others.
See the full interactive breakdown on the South Korea dashboard or browse all destinations. Peak month: October (80/100).
