Cheap flights from HEK to Seoul
Recently found return fares from $127, with November the cheapest month we know of. Compare dates, then book with the partner you choose.
Cheapest months to fly
Lowest recently found return fare in each month. Tap a month to see that month's calendar.
Lowest fares for the best day
- China SouthernSun 15 Nov – Wed 25 Nov · 1 stop · 3h 25m $235
- China SouthernSun 1 Nov – Sat 7 Nov · 1 stop · 4h 55m $241
- China SouthernSun 1 Nov – Tue 10 Nov · 1 stop · 4h 55m $242
- China SouthernMon 9 Nov – Tue 17 Nov · 1 stop · 6h 25m $265
Airports in Seoul
- ICNIncheon
- GMPGimpo
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FAQ
Questions about this route
Search the help center or send us a message. We reply by email.
Help center Contact us01What is the cheapest month to fly from HEK to Seoul?
Based on recently found fares, November 2026 has the lowest price we know of, from $127. Prices change often, so check the calendar for current fares.
02Which airports serve Seoul?
Seoul is served by Incheon (ICN), Gimpo (GMP). Searching the city code compares all of them at once.
03Are the prices on this page final?
No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.
04How can I get an alert when flights to Seoul get cheaper?
Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.