Cheap flights from Seoul

We are watching 291 routes out of Seoul. The cheapest fare we can vouch for today is €18, and for each one we say whether today is a good moment or you should wait.

See this fare · Jeju City €18 Busan €25 Yeosu €27

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Where to fly from Seoul

Tue

15 Dec

Seoul → Jeju City

Eastar Jet Based on 5368 observations ✈ Direct

Jeju Air Based on 1179 observations ✈ Direct

Jin Air Based on 163 observations ✈ Direct

Jin Air Based on 97 observations ✈ Direct

African Express Airways Based on 78 observations ✈ Direct

Asiana Airlines Based on 116 observations ✈ Direct

Trinity Airways Based on 110 observations 1 stop

Peach Based on 2204 observations ✈ Direct

Eastar Jet Based on 316 observations ✈ Direct

Parata Air Based on 58 observations 1 stop

Jeju Air Based on 327 observations ✈ Direct

Jin Air Based on 589 observations ✈ Direct

Jeju Air Based on 122 observations ✈ Direct

Trinity Airways Based on 41 observations 1 stop

Jeju Air Based on 378 observations ✈ Direct

China Southern Airlines Based on 214 observations ✈ Direct

Jeju Air Based on 201 observations ✈ Direct

Trinity Airways Based on 116 observations ✈ Direct

Eastar Jet Based on 657 observations ✈ Direct

€73

Tue

17 Nov

Seoul → Phu Quoc Island

Vietjet Based on 305 observations ✈ Direct

Tigerair Taiwan Based on 308 observations 1 stop

T'way Air Based on 288 observations ✈ Direct

Vietjet Based on 590 observations ✈ Direct

Eastar Jet Based on 943 observations 1 stop

Jeju Air Based on 174 observations 1 stop

Trinity Airways Based on 108 observations ✈ Direct

Eastar Jet Based on 111 observations ✈ Direct

HK Express Based on 473 observations ✈ Direct

Jeju Air Based on 478 observations ✈ Direct

Jin Air Based on 219 observations ✈ Direct

Tigerair Taiwan Based on 87 observations ✈ Direct

Cebu Pacific Based on 257 observations ✈ Direct

Tianjin Airlines Based on 113 observations 1 stop

€91

Tue

15 Dec

Seoul → Nossa Senhora do Carmo

Jeju Air Based on 151 observations ✈ Direct

Tianjin Airlines Based on 104 observations ✈ Direct

Air Seoul Based on 62 observations ✈ Direct

Scoot Based on 255 observations ✈ Direct

Tianjin Airlines Based on 265 observations 1 stop

€96

Sat

14 Nov

Seoul → Kota Kinabalu

AirAsia Based on 169 observations ✈ Direct

Tianjin Airlines Based on 303 observations 1 stop

Jeju Air Based on 289 observations ✈ Direct

Xiamen Airlines Based on 75 observations 1 stop

Shandong Airlines Based on 28 observations 1 stop

Eastar Jet Based on 144 observations 1 stop

China Eastern Based on 135 observations ✈ Direct

Spring Airlines Based on 726 observations 1 stop

Parata Air Based on 191 observations ✈ Direct

Tianjin Airlines Based on 316 observations 1 stop

Tianjin Airlines Based on 20 observations 1 stop

Emirates Based on 269 observations ✈ Direct

€105

Tue

10 Nov

Seoul → Ho Chi Minh City

Jeju Air Based on 245 observations 1 stop

Jin Air Based on 128 observations ✈ Direct

Shandong Airlines Based on 38 observations 1 stop

Xiamen Airlines Based on 327 observations 1 stop

Xiamen Airlines Based on 30 observations 1 stop

Shandong Airlines Based on 18 observations 1 stop

Shandong Airlines Based on 56 observations 1 stop

Cebu Pacific Based on 227 observations 1 stop

Shandong Airlines Based on 119 observations 1 stop

Shandong Airlines Based on 81 observations 1 stop

€113

Flights from Seoul: quick answers

What is the cheapest flight from Seoul right now?

Jeju City at €18 one-way, the lowest fare today across the 291 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 110 of the 259 routes from Seoul where we measured it.

Which airlines have the cheapest flights from Seoul?

China Southern Airlines has the lowest fare on 58 of the 291 routes we track from Seoul, then Air China (28), Jeju Air (26), Shandong Airlines (19), China Eastern (19).

How many routes from Seoul does Piratefly track?

291 routes, with 43,664 fares we have recorded over time.

Booking tips from our fare data

How far in advance should you book a flight?: Book 1.5–2 months before departure. Tracking the same flights at every lead time (105,470 flights on 20,996 routes, 2026-06-14 to 2026-11-08), that window had the smallest average premium over each flight's lowest fare: +16.4%, against +48.8% in the last 3 days.
What are the cheapest cities to fly to this winter?: Milan (median €29), London (median €30), Palermo (median €31). That is the median one-way fare for departures from 2026-11-01, across 340 cities ranked from fares we observed, counting only cities reachable from at least 50 airports.
Are last-minute flights cheaper?: No. In the last 3 days before departure the same flight cost on average 48.8% more than its cheapest observed fare. Comparing 32,181 flights seen both 3–4 weeks and under a week out, the late fare was higher 67% of the time (median +9.7%).