Airlines price routes independently. Sometimes flying A → Jeju → B costs less than A → B direct. The difference is your savings — and Jeju is your free city.
Korean Air and Jeju Air operate the world's busiest air route (Seoul-Jeju) feeding into Jeju's international terminal. Seongsan Ilchulbong rose from the sea 5,000 years ago in a single underwater eruption: a 182m tuff cone, 99 basalt pillars forming the crater rim, UNESCO. The fare gap is what makes Jeju worth the 24 hours.
If you do one thing in Jeju
Seongsan Ilchulbong at sunrise — a 182m volcanic crater rim formed entirely from a single eruption.
The Shadow Price — what the savings actually buy
$200
avg saving on route
$85
per day in Jeju
+$115
net after 24h stop
Still $30 ahead after 48h — the stopover pays for itself.
Seongsan Ilchulbong at sunrise — get notified the moment this route drops.
$85/day in Jeju. The $200 route saving already covers the stop — you just need the price to hold. Founding members get the badge permanently — not available after the first 500.
Members saved an avg of $200 on Jeju stopovers last month
21 members watching Jeju routes
◆ Founding Member badge · permanently on your Detour Passport · never available again after 500
Free during beta — no credit card required
$200
avg savings on Jeju stopovers
Find routes where a stopover in Jeju saves you money.
Most passport holders can enter Jeju visa-free — 11 of 15 nationalities we track. Check your specific passport requirements before travel as rules change.
QHow do I get from Jeju airport to the city center?
The main transit option is Bus / Taxi — approximately 20 minutes to the city center, costing ₩15,000. Check operating hours if arriving late at night. Best area to base yourself: Jeju City Centre / Aewol — the main hub or the coastal village, 20 minutes from airport, access to all island sites by taxi or rental car..
QIs 8 hours enough for a Jeju stopover?
Yes — 8 hours is the minimum we recommend. Seongsan Ilchulbong (sunrise peak) at dawn — a UNESCO tuff cone with 99 basalt pillars. For a fuller experience, 12–24 hours lets you jeju folk village museum (traditional thatched-roof houses), manjanggul lava tube cave.. Don't miss: Seongsan Ilchulbong at sunrise — a 182m volcanic crater rim formed entirely from a single eruption..
QIs Jeju worth a stopover?
Yes — Jeju is one of the stronger stopover picks. Average route savings of $200, daily costs around $85. low-stress transit makes it easy.
QWhat's the cheapest way to visit Jeju?
Book a flight with a Jeju stopover instead of flying direct. Routes through Jeju can save $200 on average — the city visit is essentially free. Budget ~$85/day once you're there.
QWhen is the best time to visit Jeju?
Best months for a Jeju stopover: April, October, November. Avoid February and May if possible. Check the weather section above for month-by-month conditions.
QIs Jeju safe for solo travelers?
Jeju is rated safe for solo travelers. Consider a translation app for smoother communication. Plan transport for late-night arrivals. Standard precautions apply — keep valuables secure and stay aware of your surroundings.