Flights Seoul → Helsinki (Vantaa)
As of September 2026, economy flights from Seoul to Helsinki (Vantaa) have a typical range THB 17130–75798, median THB 28555. Full range across all 348 offers: THB 11016–205943. We analyzed 348 offers from 41 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 → Helsinki (Vantaa)
Based on 348 offers · September 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Seoul → Helsinki (Vantaa)
Add-on pricing from the cheapest available offer per airline · September 2026 · THB
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| China Southern | — | Included | — |
| Vietnam Airlines | — | Included | — |
| Air China | — | Included | — |
| Air Busan | — | THB 832025 | — |
| China Eastern | — | Included | — |
| Lufthansa | — | THB 1165 | — |
| Etihad Airways | — | Included | — |
| Asiana Airlines | — | Included | — |
| T'way Air | — | THB 832025 | — |
| Juneyao Airlines | Included | Included | — |
| Turkish Airlines | Included | Included | — |
| Finnair | — | — | — |
| LOT | Included | THB 832 | — |
| KLM | — | — | — |
| Air France | Included | THB 1165 | — |
| Korean Air | Included | Included | — |
| 7C | — | — | — |
| EVA Air | Included | Included | — |
| Cathay Pacific | — | Included | — |
| Qatar Airways | Included | Included | — |
| Emirates | — | Included | — |
| Peach | — | — | — |
| HK Express | — | THB 6656 | — |
| Singapore Airlines | Included | Included | — |
| Scandinavian Airlines | Included | THB 998 | — |
| Thai Airways | Included | Included | — |
| Japan Airlines | — | Included | — |
| ANA | Included | Included | — |
| Malaysia Airlines | Included | Included | — |
| Hong Kong Airlines | Included | Included | — |
| Air Canada | — | THB 998 | — |
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 Helsinki (Vantaa) cost?
Based on 348 offers · September 2026
Seoul to Helsinki (Vantaa) flights ranged from THB 11016 to THB 205943 across 348 offers analyzed in September 2026. The chart below shows how prices distributed across all 348 offers.
These 348 offers (September 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 THB 21222 and THB 42342
What hidden fees do Seoul to Helsinki (Vantaa) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Seoul to Helsinki (Vantaa) routes. The breakdown below is based on 348 offers analyzed in September 2026.
| Carrier | Avg fee (THB) | % of base fare |
|---|---|---|
| CZ | 1392 | 10% |
| VN | 795 | 3% |
| CA | 1098 | 3% |
| BX | 270408 | 1435% |
| MU | 3288 | 8% |
| LH | 1725 | 10% |
| EY | 521 | 2% |
| OZ | 288 | 1% |
| TW | 582418 | 2818% |
| HO | 0 | 0% |
| TK | 333 | 1% |
| AY | 333 | 2% |
| LO | 672 | 1% |
| KL | 856 | 2% |
| AF | 1398 | 4% |
| KE | 322 | 1% |
| 7C | 166405 | 612% |
| BR | 318 | 1% |
| CX | 795 | 2% |
| QR | 343 | 1% |
| EK | 666 | 1% |
| MM | 29953 | 81% |
| UO | 8320 | 32% |
| SQ | 666 | 2% |
| SK | 815 | 2% |
| TG | 0 | 0% |
| JL | 0 | 0% |
| NH | 0 | 0% |
| MH | 499 | 1% |
| HX | 998 | 1% |
| AC | 1398 | 1% |
T'way Air: base ~THB -561750 + fees THB 582418 = ~THB 20668 total. Asiana Airlines: base ~THB 30514 + fees THB 288 = ~THB 30802 total.
T'way Air's THB 582418 ancillary fees narrow the gap with Asiana Airlines's lower-fee model — the THB 592264 base difference shrinks to THB 10134 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 Helsinki (Vantaa)?
41 airlines flew Seoul to Helsinki (Vantaa) 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 (China Southern), fares ranged THB 11575–15502 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 (THB) | Median (THB) | Fees (THB) |
|---|---|---|---|---|
 China Southern | 5 | 11575–15502 | 12647 | 1392 (11%) |
 Vietnam Airlines | 9 | 13832–39277 | 16674 | 795 (5%) |
 Lufthansa | 6 | 16141–19781 | 17572 | 1725 (10%) |
 HO | 3 | 18005–27776 | 18005 | 0 (0%) |
 BX | 8 | 15569–22784 | 19386 | 270408 (1395%) |
 Turkish Airlines | 3 | 19742–31154 | 19769 | 333 (2%) |
 Finnair | 1 | — | 20601 | 333 (2%) |
 T'way Air | 2 | 18458–22877 | 20668 | 582418 (2818%) |
 Etihad Airways | 15 | 20175–24321 | 21000 | 521 (2%) |
 Air China | 40 | 14598–76065 | 21217 | 1098 (5%) |
 Korean Air | 7 | 21599–68193 | 21599 | n/a |
 Jeju Air | 3 | 21633–34918 | 21633 | 166405 (769%) |
 ZE | 1 | — | 21699 | n/a |
 DV | 9 | 20401–23796 | 22598 | n/a |
 Air France | 7 | 21217–54651 | 23078 | 1398 (6%) |
 China Eastern | 17 | 16527–87058 | 23719 | 3288 (14%) |
 KLM | 14 | 21136–93589 | 24340 | 856 (4%) |
 Air China | 2 | — | 26192 | n/a |
 HK Express | 1 | — | 26325 | 8320 (32%) |
 Thai Airways | 3 | 27873–28073 | 27873 | 0 (0%) |
 Qatar Airways | 2 | 24775–31182 | 27978 | 343 (1%) |
 SAS | 5 | 27742–75470 | 28014 | 815 (3%) |
 LOT Polish Airlines | 5 | 21919–117957 | 28082 | 672 (2%) |
 JAL | 13 | — | 28322 | n/a |
 ANA | 5 | — | 28555 | n/a |
 Singapore Airlines | 8 | 26864–30336 | 29071 | 666 (2%) |
 Asiana Airlines | 13 | 22065–67940 | 29121 | n/a |
 Asiana Airlines | 39 | 17273–76355 | 30802 | 288 (1%) |
 Cathay Pacific | 13 | 23907–83877 | 31212 | 795 (3%) |
 EVA Air | 8 | 24584–36617 | 32168 | 318 (1%) |
 EVA Air | 2 | — | 34146 | n/a |
 3U | 2 | 36473–36476 | 36474 | n/a |
 Japan Airlines | 25 | 31336–67982 | 36475 | 0 (0%) |
 Peach Aviation | 5 | 28216–42866 | 42167 | 29953 (71%) |
 Malaysia Airlines | 3 | 50173–82796 | 67061 | 499 (1%) |
 Korean Air | 30 | 33098–75768 | 69991 | 322 (0%) |
 Emirates | 4 | 41035–80014 | 79626 | 666 (1%) |
 HX | 1 | — | 89592 | 998 (1%) |
 ANA | 5 | 35684–152999 | 152074 | 0 (0%) |
 FM | 3 | 71624–195521 | 153834 | n/a |
 Air Canada | 1 | — | 195959 | 1398 (1%) |
Where do the best Seoul → Helsinki (Vantaa) 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 Helsinki (Vantaa) flights
- Seoul–Helsinki (Vantaa) had 348 offers analyzed. Median price: THB 28555.
- TW charges 2021.3x more in ancillary fees than OZ — THB 582418 vs THB 288 avg per booking.
- The same route priced THB 19401 apart depending on where it was booked — the lowest median was THB 17606. 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 Helsinki (Vantaa) cost?
- Based on 348 offers analyzed, Seoul to Helsinki (Vantaa) flights range from THB 11016 to THB 205943, with a median price of THB 28555. Search for your specific dates →
- What hidden fees should I expect on Seoul to Helsinki (Vantaa) flights?
- On average, ancillary fees (bags, seat selection) add THB 14414 to the base fare on Seoul to Helsinki (Vantaa) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Seoul to Helsinki (Vantaa) including all fees?
- China Southern has the lowest median fare on Seoul to Helsinki (Vantaa) at THB 12647 (median across 5 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Seoul–Helsinki (Vantaa) 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 THB 17606. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Seoul to Helsinki (Vantaa) routes?
- Seoul to Helsinki (Vantaa) has 41 airlines competing, creating a price range from THB 11016 to THB 205943 across 348 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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