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Cheap flights from SIA to Seoul

Recently found return fares from $108, with December 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.

Typical return fare: $112 – $215 Middle half of the lowest fares we saw each day in the last 90 days (10 days of data). Anything below the range is a good price.

Good price
$109 Oct2026 $109 Nov2026 $108 Dec2026 $122 Jan2027 $183 Feb2027 $144 Mar2027 $210 May2027 $216 Jul2027

SIA → Seoul

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 $117 2 3 4 $117 5 $117 6 $125 7 8 9 $126 10 $117 11 $117 12 13 14 15 16 17 $117 18 19 20 21 $109 22 23 24 25 26 27 $117 28 29 30
LowerHigherLowest this month

Lowest fares for the best day

  • GSWed 18 Nov – Wed 25 Nov · 1 stop · 3h 25m $211
  • China EasternWed 18 Nov – Sun 22 Nov · 1 stop · 3h 30m $225
  • China EasternMon 2 Nov – Fri 6 Nov · 1 stop · 3h 35m $227
  • China SouthernWed 11 Nov – Sat 14 Nov · 1 stop · 3h 40m $229
  • China EasternThu 12 Nov – Sun 15 Nov · 1 stop · 3h 30m $232
See all flights for these dates

Airports in Seoul

  • ICNIncheon
  • GMPGimpo

Watch this route

SIA
SEL

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More trips from SIA

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FAQ

Questions about this route

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Help center Contact us
01What is the cheapest month to fly from SIA to Seoul?

Based on recently found fares, December 2026 has the lowest price we know of, from $108. 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.