Flights Jeju City → Seoul
As of June 2026, economy flights from Jeju City to Seoul have a typical range KRW 355846–935907, median KRW 633076. Full range across all 84 offers: KRW 266154–1053845. We analyzed 84 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 →
Why fly Jeju City → Seoul?
This route connects Jeju Island to Seoul, offering a vital link for both domestic tourism and international transit. Travelers can expect a wide range of pricing, making it accessible for various budgets.
Best for: leisure travelers · business travelers
Booking tips: To secure a better deal, aim to book around the p25 price of KRW 409,368.82, as prices can significantly increase towards the median of KRW 633,076.29 and beyond.
Given the short distance, the price range for CJU to ICN appears to be on the higher side compared to typical domestic routes of similar length.
AI-generated summary from price distribution data · gemini-2.5-flash-lite
Best offers by airline: Jeju City → Seoul
Based on 84 offers · June 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Jeju City → Seoul
Add-on pricing from the cheapest available offer per airline · June 2026 · KRW
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Air Busan | Included | KRW 38461500 | — |
| China Eastern | Included | Included | — |
| Jeju Air | Included | KRW 46153800 | — |
| Korean Air | Included | Included | — |
| Asiana Airlines | Included | Included | — |
| T'way Air | Included | KRW 38461500 | — |
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 Jeju City to Seoul cost?
Based on 84 offers · June 2026
Jeju City to Seoul flights ranged from KRW 266154 to KRW 1053845 across 84 offers analyzed in June 2026. The chart below shows how prices distributed across all 84 offers.
These 84 offers (June 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 409369 and KRW 819072
What hidden fees do Jeju City to Seoul flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Jeju City to Seoul routes. The breakdown below is based on 84 offers analyzed in June 2026.
| Carrier | Avg fee (KRW) | % of base fare |
|---|---|---|
| BX | 46153800 | 12257% |
| MU | 46154 | 9% |
| 7C | 53846100 | 17101% |
| KE | 23077 | 3% |
| OZ | 23077 | 3% |
| TW | 46153800 | 10345% |
Jeju Air: base ~KRW -53532254 + fees KRW 53846100 = ~KRW 313846 total. Korean Air: base ~KRW 624384 + fees KRW 23077 = ~KRW 647461 total.
Jeju Air's KRW 53846100 ancillary fees narrow the gap with Korean Air's lower-fee model — the KRW 54156638 base difference shrinks to KRW 333615 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 Jeju City to Seoul?
10 airlines flew Jeju City to Seoul 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.
| Airline | Offers | Typical range (KRW) | Median (KRW) | Fees (KRW) |
|---|---|---|---|---|
 ZE | 1 | — | 267692 | n/a |
 Jeju Air | 3 | — | 313846 | 53846100 (17157%) |
 BX | 4 | — | 373077 | 46153800 (12371%) |
 China Eastern | 30 | — | 409323 | 46154 (11%) |
 T'way Air | 1 | — | 446153 | 46153800 (10345%) |
 Korean Airways | 5 | — | 555904 | n/a |
 Korean Air | 20 | — | 647461 | 23077 (4%) |
 Asiana Airlines | 5 | — | 723076 | 23077 (3%) |
 ZH | 2 | — | 745384 | n/a |
 HO | 13 | — | 900891 | n/a |
Where do the best Jeju City → Seoul prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency 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: Jeju City to Seoul flights
- Jeju City–Seoul had 84 offers analyzed. Median price: KRW 633076.
- 7C charges 2333.3x more in ancillary fees than OZ — KRW 53846100 vs KRW 23077 avg per booking.
- The same route priced KRW 120000 apart depending on where it was booked — the lowest median was KRW 521538. 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 Jeju City to Seoul cost?
- Based on 84 offers analyzed, Jeju City to Seoul flights range from KRW 266154 to KRW 1053845, with a median price of KRW 633076. Search for your specific dates →
- What hidden fees should I expect on Jeju City to Seoul flights?
- On average, ancillary fees (bags, seat selection) add KRW 6258235 to the base fare on Jeju City to Seoul flights. See itemized fees for your itinerary →
- Which airline is cheapest on Jeju City to Seoul including all fees?
- ZE has the lowest median fare on Jeju City to Seoul at KRW 267692 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Jeju City–Seoul 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 521538. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Jeju City to Seoul routes?
- Jeju City to Seoul has 10 airlines competing, creating a price range from KRW 266154 to KRW 1053845 across 84 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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