Cheap flights from Seoul

We are watching 295 routes out of Seoul. The cheapest fare we can vouch for today is €15, and for each one we say whether today is a good moment or you should wait.

See this fare · Jeju City €15 Busan €25 Yeosu €27

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Where to fly from Seoul

Tue

1 Dec

Seoul → Jeju City

Trinity Airways Based on 5109 observations ✈ Direct

Jeju Air Based on 1144 observations ✈ Direct

Jin Air Based on 160 observations ✈ Direct

Jin Air Based on 90 observations ✈ Direct

African Express Airways Based on 73 observations ✈ Direct

Asiana Airlines Based on 110 observations ✈ Direct

Air Seoul Based on 37 observations 1 stop

Trinity Airways Based on 103 observations 1 stop

Peach Based on 2137 observations ✈ Direct

Eastar Jet Based on 303 observations ✈ Direct

Korean Air Based on 53 observations 1 stop

Jin Air Based on 312 observations ✈ Direct

Jin Air Based on 556 observations ✈ Direct

Jeju Air Based on 193 observations ✈ Direct

Jeju Air Based on 121 observations ✈ Direct

Trinity Airways Based on 35 observations 1 stop

Vietjet Based on 577 observations ✈ Direct

Jeju Air Based on 349 observations ✈ Direct

China Southern Airlines Based on 193 observations ✈ Direct

Trinity Airways Based on 109 observations ✈ Direct

Eastar Jet Based on 620 observations ✈ Direct

€73

Tue

17 Nov

Seoul → Phu Quoc Island

Vietjet Based on 294 observations ✈ Direct

Tigerair Taiwan Based on 279 observations 1 stop

T'way Air Based on 269 observations ✈ Direct

Eastar Jet Based on 888 observations 1 stop

Spring Airlines Based on 160 observations 1 stop

HK Express Based on 424 observations ✈ Direct

Eastar Jet Based on 109 observations ✈ Direct

Jeju Air Based on 463 observations ✈ Direct

Jin Air Based on 205 observations ✈ Direct

Tigerair Taiwan Based on 81 observations ✈ Direct

Cebu Pacific Based on 237 observations ✈ Direct

Tianjin Airlines Based on 97 observations 1 stop

Trinity Airways Based on 96 observations ✈ Direct

Air Busan Based on 684 observations 1 stop

€92

Tue

15 Dec

Seoul → Nossa Senhora do Carmo

Jeju Air Based on 141 observations ✈ Direct

Scoot Based on 241 observations ✈ Direct

€94

Sat

7 Nov

Seoul → Kota Kinabalu

AirAsia Based on 165 observations ✈ Direct

Air Seoul Based on 56 observations ✈ Direct

Tianjin Airlines Based on 251 observations 1 stop

T'way Air Based on 142 observations ✈ Direct

Tianjin Airlines Based on 289 observations 1 stop

Jeju Air Based on 278 observations ✈ Direct

Xiamen Airlines Based on 75 observations 1 stop

Jeju Air Based on 45 observations ✈ Direct

Shandong Airlines Based on 22 observations 1 stop

China Eastern Based on 129 observations ✈ Direct

Tianjin Airlines Based on 301 observations 1 stop

Emirates Based on 255 observations ✈ Direct

€105

Mon

28 Dec

Seoul → Ho Chi Minh City

Jin Air Based on 236 observations ✈ Direct

Jin Air Based on 116 observations ✈ Direct

Tianjin Airlines Based on 98 observations ✈ Direct

Shandong Airlines Based on 35 observations 1 stop

Parata Air Based on 177 observations ✈ Direct

Xiamen Airlines Based on 310 observations 1 stop

Vietnam Airlines Based on 156 observations 1 stop

Xiamen Airlines Based on 30 observations 1 stop

Shandong Airlines Based on 16 observations 1 stop

Cebu Pacific Based on 213 observations 1 stop

Shandong Airlines Based on 75 observations 1 stop

€113

Flights from Seoul: quick answers

What is the cheapest flight from Seoul right now?

Jeju City at €15 one-way, the lowest fare today across the 295 routes we track from Seoul. Next: Busan €25, Yeosu €27, Ulsan €32.

How far in advance should I book flights from Seoul?

0–13 days before departure: that has been the cheapest booking window on 112 of the 266 routes from Seoul where we measured it.

Which airlines have the cheapest flights from Seoul?

China Southern Airlines has the lowest fare on 60 of the 295 routes we track from Seoul, then Jeju Air (28), China Eastern (19), Air China (19), Shandong Airlines (17).

How many routes from Seoul does Piratefly track?

295 routes, with 41,364 fares we have recorded over time.

Booking tips from our fare data

How far in advance should you book a flight?: Book 1–1.5 months before departure. Tracking the same flights at every lead time (97,668 flights on 19,841 routes, 2026-06-14 to 2026-11-05), that window had the smallest average premium over each flight's lowest fare: +16.7%, against +49.3% in the last 3 days.
What is the cheapest day of the week to fly?: Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.5% and Tuesday +4.3%, while Friday was the dearest at +10.5%. Weekend departures cost more than midweek ones.
What is the cheapest month to fly?: November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +22.7%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-05.