Flights Kaohsiung (Xiaogang) → Seoul

As of October 2026, economy flights from Kaohsiung (Xiaogang) to Seoul have a typical range TWD 12363–24902, median TWD 15130. Full range across all 89 offers: TWD 5643–76958. We analyzed 89 offers from 11 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: Kaohsiung (Xiaogang) → Seoul

Based on 89 offers · October 2026. Prices and availability change — run a live search to confirm.

Bag & seat fees: Kaohsiung (Xiaogang) → Seoul

Add-on pricing from the cheapest available offer per airline · October 2026 · TWD

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 Kaohsiung (Xiaogang) to Seoul cost?

Based on 89 offers · October 2026

Kaohsiung (Xiaogang) to Seoul flights ranged from TWD 5643 to TWD 76958 across 89 offers analyzed in October 2026. The chart below shows how prices distributed across all 89 offers.

What hidden fees do Kaohsiung (Xiaogang) to Seoul flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Kaohsiung (Xiaogang) to Seoul routes. The breakdown below is based on 89 offers analyzed in October 2026.

VietJet Air: base ~TWD -22817923 + fees TWD 22833619 = ~TWD 15696 total. Korean Air: base ~TWD 18279 + fees TWD 15 = ~TWD 18294 total.

VietJet Air's TWD 22833619 ancillary fees narrow the gap with Korean Air's lower-fee model — the TWD 22836202 base difference shrinks to TWD 2598 after fees. Always compare total cost, not just the advertised base fare.

Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.

Which airline is cheapest from Kaohsiung (Xiaogang) to Seoul?

11 airlines flew Kaohsiung (Xiaogang) 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 (TWD)	Median (TWD)	Fees (TWD)
Tigerair Taiwan	1	—	5643	n/a
EVA Air	1	—	11515	n/a
Hong Kong Express	24	12363–12461	12363	n/a
Vietnam Airlines	6	—	14349	10 (0%)
VietJet Air	6	14979–15696	15696	22833619 (145470%)
HK Express	16	13799–17600	15993	350 (2%)
Korean Air	3	18276–51006	18294	15 (0%)
EVA Air	2	15979–23023	19501	15 (0%)
Cathay Pacific	16	22845–23855	22845	50 (0%)
China Airlines	10	14759–34602	25167	15 (0%)
China Airlines	4	24059–61985	26684	n/a

Where do the best Kaohsiung (Xiaogang) → 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: Kaohsiung (Xiaogang) to Seoul flights

• Full-service carriers on Kaohsiung (Xiaogang)–Seoul cost 3.2x more than budget airlines (TWD 18241 vs TWD 5643 median; overall median TWD 15130).
• VJ charges 2283361.9x more in ancillary fees than VN — TWD 22833619 vs TWD 10 avg per booking.
• The same route priced TWD 5931 apart depending on where it was booked — the lowest median was TWD 12363. 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 Kaohsiung (Xiaogang) to Seoul cost?

Based on 89 offers analyzed, Kaohsiung (Xiaogang) to Seoul flights range from TWD 5643 to TWD 76958, with a median price of TWD 15130. Search for your specific dates →

What hidden fees should I expect on Kaohsiung (Xiaogang) to Seoul flights?

On average, ancillary fees (bags, seat selection) add TWD 2322176 to the base fare on Kaohsiung (Xiaogang) to Seoul flights. See itemized fees for your itinerary →

Which airline is cheapest on Kaohsiung (Xiaogang) to Seoul including all fees?

Tigerair Taiwan has the lowest median fare on Kaohsiung (Xiaogang) to Seoul at TWD 5643 (median across 1 offers in our snapshot). Check which airline wins on your dates →

Which booking site has the cheapest Kaohsiung (Xiaogang)–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 TWD 12363. Run a live search and we'll find the cheapest for you →

Why do prices vary so much on Kaohsiung (Xiaogang) to Seoul routes?

Kaohsiung (Xiaogang) to Seoul has 11 airlines competing, creating a price range from TWD 5643 to TWD 76958 across 89 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →

11 airlines compete on this route — we check every one

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