Flights Seoul → Jeju City
As of October 2026, economy flights from Seoul to Jeju City have a typical range KRW 42374–110232, median KRW 62800. Full range across all 104 offers: KRW 39725–176116. We analyzed 104 offers from 10 airlines in a single price check.
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 104 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 · KRW
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Trinity Airways (Formerly T'way Air) | Included | KRW 33104476 | — |
| Jeju Air | Included | KRW 39725371 | — |
| Air Busan | — | KRW 33104476 | — |
| Air Seoul | — | KRW 198626856 | — |
| Jin Air | Included | KRW 25000 | — |
| Korean Air | — | Included | — |
| Asiana Airlines | Included | 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 104 offers · October 2026
Seoul to Jeju City flights ranged from KRW 39725 to KRW 176116 across 104 offers analyzed in October 2026. The chart below shows how prices distributed across all 104 offers.
These 104 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 KRW 46346 and KRW 84575
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 104 offers analyzed in October 2026.
| Carrier | Avg fee (KRW) | % of base fare |
|---|---|---|
| TW | 20152290 | 37495% |
| 7C | 35591687 | 67929% |
| BX | 29801528 | 44972% |
| RS | 264835808 | 547945% |
| LJ | 16262197 | 22584% |
| KE | 13908 | 16% |
| OZ | 6631 | 7% |
RS: base ~KRW -264787475 + fees KRW 264835808 = ~KRW 48333 total. Asiana Airlines: base ~KRW 76792 + fees KRW 6631 = ~KRW 83423 total.
RS's KRW 264835808 ancillary fees narrow the gap with Asiana Airlines's lower-fee model — the KRW 264864267 base difference shrinks to KRW 35090 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?
10 airlines flew Seoul to Jeju City in this dataset. 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 (Jeju Air), fares ranged KRW 41050–73492 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 (KRW) | Median (KRW) | Fees (KRW) |
|---|---|---|---|---|
 Jeju Air | 16 | 41050–73492 | 43698 | 35591687 (81449%) |
 T'way Air | 23 | 39725–85807 | 46346 | 20152290 (43482%) |
 RS | 2 | 42506–54159 | 48333 | 264835808 (547945%) |
 ZE | 11 | 47670–83900 | 52200 | n/a |
 Jin Air | 1 | — | 55616 | n/a |
 Jin Air | 11 | 48995–96665 | 59588 | 16262197 (27291%) |
 Air Seoul | 1 | — | 63561 | n/a |
 BX | 4 | 41844–90736 | 66209 | 29801528 (45011%) |
 Asiana Airlines | 15 | 70013–114492 | 83423 | 6631 (8%) |
 Korean Air | 20 | 62659–112494 | 87134 | 13908 (16%) |
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 104 offers analyzed. Median price: KRW 62800.
- RS charges 39939.7x more in ancillary fees than OZ — KRW 264835808 vs KRW 6631 avg per booking.
- The same route priced KRW 120500 apart depending on where it was booked — the lowest median was KRW 55616. 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 104 offers analyzed, Seoul to Jeju City flights range from KRW 39725 to KRW 176116, with a median price of KRW 62800. 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 KRW 20451749 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?
- Jeju Air has the lowest median fare on Seoul to Jeju City at KRW 43698 (median across 16 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 KRW 55616. 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 10 airlines competing, creating a price range from KRW 39725 to KRW 176116 across 104 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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