Flights Seoul → Kaohsiung (Xiaogang)
As of October 2026, economy flights from Seoul to Kaohsiung (Xiaogang) have a typical range KRW 351196–602754, median KRW 454000. Full range across all 49 offers: KRW 326694–1178181. We analyzed 49 offers from 7 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 → Kaohsiung (Xiaogang)
Based on 49 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Seoul → Kaohsiung (Xiaogang)
Add-on pricing from the cheapest available offer per airline · October 2026 · KRW
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Tigerair Taiwan | KRW 250 | KRW 600 | — |
| Trinity Airways | — | — | — |
| Jeju Air | Included | — | — |
| China Airlines | Included | — | — |
| EVA Air | 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 Kaohsiung (Xiaogang) cost?
Based on 49 offers · October 2026
Seoul to Kaohsiung (Xiaogang) flights ranged from KRW 326694 to KRW 1178181 across 49 offers analyzed in October 2026. The chart below shows how prices distributed across all 49 offers.
These 49 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 375902 and KRW 528654
What hidden fees do Seoul to Kaohsiung (Xiaogang) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Seoul to Kaohsiung (Xiaogang) routes. The breakdown below is based on 49 offers analyzed in October 2026.
| Carrier | Avg fee (KRW) | % of base fare |
|---|---|---|
| IT | 131501 | 32% |
| TW | 10277181 | 2177% |
| 7C | 4761056 | 1071% |
| CI | 23249 | 4% |
| BR | 16742 | 3% |
T'way Air: base ~KRW -9772485 + fees KRW 10277181 = ~KRW 504696 total. EVA Air: base ~KRW 441481 + fees KRW 16742 = ~KRW 458223 total.
T'way Air's KRW 10277181 ancillary fees narrow the gap with EVA Air's lower-fee model — the KRW 10213966 base difference shrinks to KRW 46473 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 Kaohsiung (Xiaogang)?
7 airlines flew Seoul to Kaohsiung (Xiaogang) 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 (IT), fares ranged KRW 326744–518977 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) |
|---|---|---|---|---|
 IT | 9 | 326744–518977 | 347578 | 131501 (38%) |
 Jeju Air | 7 | 369792–548343 | 383000 | 4761056 (1243%) |
 China Airlines | 2 | 439660–450286 | 444973 | n/a |
 China Airlines | 8 | 438730–806264 | 456984 | 23249 (5%) |
 EVA Air | 10 | 445589–651818 | 458223 | 16742 (4%) |
 Jeju Air | 2 | 404327–514840 | 459584 | n/a |
 T'way Air | 11 | 355978–560533 | 504696 | 10277181 (2036%) |
Where do the best Seoul → Kaohsiung (Xiaogang) 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 Kaohsiung (Xiaogang) flights
- Seoul–Kaohsiung (Xiaogang) had 49 offers analyzed. Median price: KRW 454000.
- TW charges 613.8x more in ancillary fees than BR — KRW 10277181 vs KRW 16742 avg per booking.
- The same route priced KRW 100949 apart depending on where it was booked — the lowest median was KRW 362620. 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 Kaohsiung (Xiaogang) cost?
- Based on 49 offers analyzed, Seoul to Kaohsiung (Xiaogang) flights range from KRW 326694 to KRW 1178181, with a median price of KRW 454000. Search for your specific dates →
- What hidden fees should I expect on Seoul to Kaohsiung (Xiaogang) flights?
- On average, ancillary fees (bags, seat selection) add KRW 3286962 to the base fare on Seoul to Kaohsiung (Xiaogang) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Seoul to Kaohsiung (Xiaogang) including all fees?
- IT has the lowest median fare on Seoul to Kaohsiung (Xiaogang) at KRW 347578 (median across 9 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Seoul–Kaohsiung (Xiaogang) 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 362620. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Seoul to Kaohsiung (Xiaogang) routes?
- Seoul to Kaohsiung (Xiaogang) has 7 airlines competing, creating a price range from KRW 326694 to KRW 1178181 across 49 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
7 airlines compete on this route — we check every one
Find flights for my datesNew route — be among the first to track this itinerary
Building with flight data? Power your app or agent with LetsFG
The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.
Try the free sandbox — no card →Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers