Flights Hanoi (Soc Son) → Seoul
As of September 2026, economy flights from Hanoi (Soc Son) to Seoul have a typical range USD 184–902, median USD 279. Full range across all 225 offers: USD 99–2826. We analyzed 225 offers from 38 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: Hanoi (Soc Son) → Seoul
Based on 225 offers · September 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Hanoi (Soc Son) → Seoul
Add-on pricing from the cheapest available offer per airline · September 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| VietJet Air | USD 200000 | USD 400000 | — |
| FlexFlight | Included | — | — |
| Philippine Airlines | Included | Included | — |
| Vietnam Airlines | — | — | — |
| Asiana Airlines | Included | Included | — |
| Korean Air | — | — | — |
| Cathay Pacific | Included | Included | — |
| HK Express | USD 100 | USD 200 | — |
| Scoot | USD 20 | USD 30 | — |
| China Airlines | Included | Included | — |
| BatikAir Malaysia | Included | USD 50 | — |
| AirAsia | USD 20 | USD 70 | — |
| China Southern | Included | Included | — |
| Thai Airways | Included | Included | — |
| China Eastern | Included | Included | — |
| EVA Air | Included | Included | — |
| Singapore Airlines | Included | Included | — |
| Air China | Included | Included | — |
| Malaysia Airlines | Included | Included | — |
| Japan Airlines | Included | Included | — |
| Turkish Airlines | Included | Included | — |
| ANA (All Nippon Airways) | 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 Hanoi (Soc Son) to Seoul cost?
Based on 225 offers · September 2026
Hanoi (Soc Son) to Seoul flights ranged from USD 99 to USD 2826 across 225 offers analyzed in September 2026. The chart below shows how prices distributed across all 225 offers.
These 225 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 USD 213 and USD 330
What hidden fees do Hanoi (Soc Son) to Seoul flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Hanoi (Soc Son) to Seoul routes. The breakdown below is based on 225 offers analyzed in September 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| VJ | 479487 | 260048% |
| W2 | 0 | 0% |
| PR | 15 | 6% |
| VN | 10 | 3% |
| OZ | 15 | 6% |
| KE | 15 | 6% |
| CX | 50 | 19% |
| UO | 350 | 127% |
| TR | 58 | 21% |
| CI | 15 | 4% |
| OD | 60 | 18% |
| AK | 98 | 29% |
| CZ | 30 | 8% |
| TG | 0 | 0% |
| MU | 30 | 3% |
| BR | 15 | 4% |
| SQ | 20 | 4% |
| CA | 30 | 5% |
| MH | 15 | 1% |
| JL | 0 | 0% |
| TK | 10 | 1% |
| NH | 0 | 0% |
VietJet Air: base ~USD -479303 + fees USD 479487 = ~USD 184 total. Vietnam Airlines: base ~USD 272 + fees USD 10 = ~USD 282 total.
VietJet Air's USD 479487 ancillary fees narrow the gap with Vietnam Airlines's lower-fee model — the USD 479575 base difference shrinks to USD 98 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 Hanoi (Soc Son) to Seoul?
38 airlines flew Hanoi (Soc Son) 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 (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Vietjet | 2 | — | 107 | n/a |
 W2 | 2 | 159–161 | 160 | 0 (0%) |
 VietJet Air | 39 | 159–212 | 184 | 479487 (260591%) |
 H1 | 15 | 150–230 | 200 | n/a |
 Philippine Airlines | 3 | 208–329 | 208 | 15 (7%) |
 A1 | 5 | 204–226 | 210 | n/a |
 MF | 1 | — | 216 | n/a |
 Philippine Airlines | 3 | — | 231 | n/a |
 Asiana Airlines | 4 | — | 238 | 15 (6%) |
 Asiana Airlines | 2 | — | 250 | n/a |
 Hong Kong Express | 4 | 256–258 | 256 | n/a |
 Cathay Pacific | 2 | 256–258 | 257 | 50 (19%) |
 Korean Air | 2 | 247–295 | 271 | 15 (6%) |
 HK Express | 1 | — | 275 | 350 (127%) |
 Cathay Pacific | 3 | — | 275 | n/a |
 Scoot | 1 | — | 280 | 58 (21%) |
 Korean Air | 2 | 256–304 | 280 | n/a |
 China Eastern | 10 | 246–310 | 281 | n/a |
 Vietnam Airlines | 56 | 216–983 | 282 | 10 (4%) |
 XiamenAir | 1 | — | 288 | n/a |
 Vietnam Airlines | 18 | 278–305 | 296 | n/a |
 OD | 1 | — | 332 | 60 (18%) |
 China Airlines | 3 | 331–381 | 334 | 15 (4%) |
 AK | 2 | 339–348 | 344 | 98 (29%) |
 China Southern | 7 | 354–504 | 354 | 30 (8%) |
 Thai Airways | 3 | 358–360 | 358 | 0 (0%) |
 EVA Air | 2 | 382–396 | 389 | 15 (4%) |
 Singapore Airlines | 4 | 451–461 | 461 | 20 (4%) |
 Japan Airlines | 1 | — | 595 | 0 (0%) |
 Air China | 2 | 565–660 | 612 | 30 (5%) |
 8M | 1 | — | 616 | n/a |
 HO | 1 | — | 823 | n/a |
 China Eastern | 10 | 508–1102 | 902 | 30 (3%) |
 Turkish Airlines | 1 | — | 1463 | 10 (1%) |
 3U | 2 | 1755–1789 | 1772 | n/a |
 ZH | 4 | 1843–1859 | 1850 | n/a |
 Malaysia Airlines | 3 | 891–2124 | 2124 | 15 (1%) |
 ANA | 2 | 2796–2823 | 2810 | 0 (0%) |
Where do the best Hanoi (Soc Son) → Seoul 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: Hanoi (Soc Son) to Seoul flights
- Full-service carriers on Hanoi (Soc Son)–Seoul cost 5.3x more than budget airlines (USD 570 vs USD 107 median; overall median USD 279).
- VJ charges 47948.7x more in ancillary fees than TK — USD 479487 vs USD 10 avg per booking.
- The same route priced USD 107 apart depending on where it was booked — the lowest median was USD 184. 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 Hanoi (Soc Son) to Seoul cost?
- Based on 225 offers analyzed, Hanoi (Soc Son) to Seoul flights range from USD 99 to USD 2826, with a median price of USD 279. Search for your specific dates →
- What hidden fees should I expect on Hanoi (Soc Son) to Seoul flights?
- On average, ancillary fees (bags, seat selection) add USD 124682 to the base fare on Hanoi (Soc Son) to Seoul flights. See itemized fees for your itinerary →
- Which airline is cheapest on Hanoi (Soc Son) to Seoul including all fees?
- Vietjet has the lowest median fare on Hanoi (Soc Son) to Seoul at USD 107 (median across 2 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Hanoi (Soc Son)–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 USD 184. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Hanoi (Soc Son) to Seoul routes?
- Hanoi (Soc Son) to Seoul has 38 airlines competing, creating a price range from USD 99 to USD 2826 across 225 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
38 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