Cheap Flights to Seoul
$809 round trip from New Yorkseen Aug 20 · 2–21 Nov
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Overview
Flying to Seoul
Country
South Korea
Region
Asia
Airport
ICN
Cheapest month we saw
September ($801)
Fares by month
When is it cheapest to fly to Seoul?
Cheapest round trip we observed from New York, in USD, across the 6 months we hold fares for. Months we have not seen a fare for are not shown — they are not months without flights.
Climate
Weather in Seoul, month by month
The warmest month in Seoul is August, at an average high of 81°F; the coolest is January at 34°F. July brings the most rain.
| Month | High | Low | Rain | Ocean |
|---|---|---|---|---|
| January | 34°F | 23°F | 0.8 in | 34°F |
| February | 37°F | 27°F | 0.7 in | 34°F |
| March | 46°F | 36°F | 1.8 in | 43°F |
| April | 55°F | 46°F | 3.3 in | 50°F |
| May | 64°F | 57°F | 4.4 in | 59°F |
| June | 72°F | 66°F | 4.4 in | 70°F |
| July | 79°F | 73°F | 13.3 in | 77°F |
| August | 81°F | 75°F | 9.5 in | 81°F |
| Septemberthis month | 75°F | 66°F | 3.7 in | 77°F |
| October | 66°F | 55°F | 3.6 in | 66°F |
| November | 50°F | 41°F | 1.8 in | 55°F |
| December | 39°F | 30°F | 1.3 in | 43°F |
Ten-year average (2015–2024) of measured daily observations, not a brochure estimate.
Full Seoul guide coming soon
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Good to know
Flying to Seoul — your questions answered
- How much is a round trip flight to Seoul?
- The cheapest round trip we currently hold is $809 from New York (seen Aug 20 · 2–21 Nov). Across the 6 months we hold fares for, September is the cheapest month we have seen, at $801, and May the dearest at $1,014. These are prices a live search returned, not a standing offer, and they move daily.
- When is it warm in Seoul?
- August is the warmest month in Seoul, averaging a daily high of 81°F, and 3 of the 12 months average 75°F or warmer. The coolest is January at 34°F. These are ten-year averages (2015–2024) of measured observations, not estimates.
- What is the weather like in Seoul in September?
- In September, Seoul averages a daily high of 75°F and an overnight low of 66°F; about 3.7 inches of rain fall across the month; the sea averages 77°F. Ten-year measured averages — an individual week can differ.
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