Flights Seoul → Jeju City
As of October 2026, economy flights from Seoul to Jeju City have a typical range TWD 1236–13572, median TWD 1499. Full range across all 189 offers: TWD 1138–17330. We found 63% of 189 offers from budget carriers (around TWD 1333) and 37% from full-service carriers (around TWD 1548).
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Seoul → Jeju City
Based on 189 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Seoul → Jeju City
Add-on pricing from the cheapest available offer per airline · October 2026 · TWD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Trinity Airways (Formerly T'way Air) | Included | TWD 812874 | — |
| Jeju Air | Included | TWD 975449 | — |
| Air Seoul | — | TWD 4877245 | — |
| Air Busan | Included | TWD 812874 | — |
| 진에어 | — | — | — |
| Eastar Jet | Included | — | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Seoul to Jeju City cost?
Based on 189 offers · October 2026
Seoul to Jeju City flights ranged from TWD 1138 to TWD 17330 across 189 offers analyzed in October 2026. Two fare clusters detected: budget fares around 1948 and premium fares around 14902 The chart below shows how prices distributed across all 189 offers.
These 189 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between TWD 1301 and TWD 1658
What hidden fees do Seoul to Jeju City flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Seoul to Jeju City routes. The breakdown below is based on 189 offers analyzed in October 2026.
| Carrier | Avg fee (TWD) | % of base fare |
|---|---|---|
| TW | 812874 | 60717% |
| 7C | 730267 | 51182% |
| RS | 5527544 | 409639% |
| BX | 975449 | 76726% |
| LJ | 108424 | 6447% |
| ZE | 0 | 0% |
RS: base ~TWD -5526243 + fees TWD 5527544 = ~TWD 1301 total. Jin Air: base ~TWD -106798 + fees TWD 108424 = ~TWD 1626 total.
RS's TWD 5527544 ancillary fees narrow the gap with Jin Air's lower-fee model — the TWD 5419445 base difference shrinks to TWD 325 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Seoul to Jeju City?
9 airlines flew Seoul to Jeju City in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (BX), fares ranged TWD 1200–1333 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (TWD) | Median (TWD) | Fees (TWD) |
|---|---|---|---|---|
 BX | 10 | 1200–1333 | 1284 | 975449 (75949%) |
 T'way Air | 40 | 1203–1626 | 1301 | 812874 (62500%) |
 RS | 10 | 1229–1626 | 1301 | 5527544 (425000%) |
 Jeju Air | 59 | 1229–1658 | 1333 | 730267 (54779%) |
 ZE | 21 | 1236–1645 | 1548 | 0 (0%) |
 Jin Air | 3 | 1604–1782 | 1626 | 108424 (6669%) |
 Air Seoul | 9 | 1561–2270 | 1723 | n/a |
 Air Busan | 12 | 1541–2211 | 1772 | n/a |
 Trinity Airways | 25 | 13273–15854 | 14599 | n/a |
Where do the best Seoul → Jeju City prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Seoul to Jeju City flights
- Seoul–Jeju City had 189 offers analyzed. Median price: TWD 1499.
- RS charges 51.0x more in ancillary fees than LJ — TWD 5527544 vs TWD 108424 avg per booking.
- The same route priced TWD 11884 apart depending on where it was booked — the lowest median was TWD 1301. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Seoul to Jeju City cost?
- Based on 189 offers analyzed, Seoul to Jeju City flights range from TWD 1138 to TWD 17330, with a median price of TWD 1499. Search for your specific dates →
- What hidden fees should I expect on Seoul to Jeju City flights?
- On average, ancillary fees (bags, seat selection) add TWD 1136741 to the base fare on Seoul to Jeju City flights. See itemized fees for your itinerary →
- Which airline is cheapest on Seoul to Jeju City including all fees?
- BX has the lowest median fare on Seoul to Jeju City at TWD 1284 (median across 10 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Seoul–Jeju City flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was TWD 1301. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Seoul to Jeju City routes?
- Seoul to Jeju City has 9 airlines competing, creating a price range from TWD 1138 to TWD 17330 across 189 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
9 airlines, two price clusters — find which fits your budget
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