Cheapest routes found recently
- Hong Kong HKG → SEL direct from $189
- Guangzhou CAN → SEL from $220
- Singapore SIN → SEL direct from $316
- Jakarta JKT → SEL direct from $326
- Vladivostok VVO → SEL from $358
- Bishkek BSZ → SEL from $557
- Frankfurt FRA → SEL from $575
- Kazan KZN → SEL from $610
- San Francisco SFO → SEL direct from $620
- Yekaterinburg SVX → SEL from $756
- Melbourne MEL → SEL from $1,274
Cheapest price by month
| Month | Round trip from |
|---|---|
| November 2026 | $194 |
| December 2026 | $189 |
| January 2027 | $216 |
| February 2027 | $238 |
| March 2027 | $222 |
| April 2027 | $277 |
| May 2027 | $227 |
| June 2027 | $475 |
| July 2027 | $317 |
| August 2027 | $339 |
| September 2027 | $441 |
| October 2027 | $583 |
Weather by month
The warmest month in Seoul is August, around 29 °C by day; the coolest is January, around -7 °C at night. The wettest month is July, with about 318 mm of rain, and the driest January, with about 23 mm.
| Month | Day °C | Night °C | Rain |
|---|---|---|---|
| January | 1.2° | -7.4° | 23 mm dry |
| February | 3.7° | -5.1° | 26 mm dry |
| March | 9.3° | -0.1° | 47 mm moderate |
| April | 16.9° | 6.2° | 79 mm moderate |
| May | 22.0° | 11.8° | 97 mm wet |
| June | 25.8° | 17.0° | 135 mm wet |
| July | 28.0° | 21.1° | 318 mm wet |
| August | 28.8° | 21.4° | 311 mm wet |
| September | 24.9° | 15.6° | 149 mm wet |
| October | 18.8° | 8.4° | 53 mm moderate |
| November | 10.8° | 1.6° | 52 mm moderate |
| December | 3.7° | -4.5° | 25 mm dry |
Best time to go
No month in Seoul combines the cheapest fares with mild weather, so go on price: the cheapest time to fly is November, December, January, from $189.
-
November
$194
11 °C moderate
-
December
$189
4 °C dry
-
January
$216
1 °C dry
Cheapest departure city each month
Airports
Most cheap flights to Seoul arrive at Incheon International Airport, 48 km from the centre, which handles 94% of them.
- Incheon International Airport ICN 48 km from centre · 94% of arrivals
- Gimpo International Airport GMP 15 km from centre · 6% of arrivals
Airlines
-
China Southern Airlines
7 routes
-
China Eastern
7 routes
-
Hainan Airlines
5 routes
-
Korean Air
5 routes
-
Asiana Airlines
5 routes
-
Trinity Airways
5 routes
-
Air China
4 routes
-
Centrum Air
3 routes
Practical facts
Prices are paid in KRW. Clocks are set to UTC+9. Sockets are type C, F and the mains supply is 220 V, 60 Hz. The main language is Korean. The international dialling code is +82, and traffic drives on the right.
-
KRW
Currency
-
UTC+9
Time zone
-
C, F
Plug type
-
220 V, 60 Hz
Mains supply
-
Korean
Languages
-
+82
Dialling code
-
Right
Traffic
-
eSIM
Mobile data · Airalo
Also consider flying to
-
Busan
325 km away $56
Questions and answers
- Which month is the cheapest to fly to Seoul?
- December is currently the cheapest month, with tickets from $189.
- From where is it cheapest to fly to Seoul right now?
- The cheapest departure city found is Hong Kong, from $194 in November.
- Are there direct flights to Seoul?
- Yes. Of 11 routes with recent prices, 7 have direct flights.
- Which airlines fly to Seoul?
- Airlines found on these routes: China Southern Airlines, China Eastern, Hainan Airlines, Korean Air, Asiana Airlines.
- Is there a cheaper nearby airport for Seoul?
- Busan is 325 km away, with flights from $56.
- What is the weather like in Seoul in August?
- The warmest month in Seoul is August, with daytime highs around 29 °C and about 311 mm of rain.
- When is the best time to visit Seoul?
- On price alone, the cheapest time to fly is November, December, January, from $189.
- Which currency is used in Seoul?
- The currency is KRW. Sockets are type C, F and the mains supply is 220 V, 60 Hz.
- Which airport should I fly into for Seoul?
- Incheon International Airport takes 94% of the cheapest flights and is 48 km from the centre.
Prices last updated Nov. 4, 2026
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