Route brief · SIN → SEL
Singapore → Seoul
$227
−29% vs typical
seasonal median $320 · difference $93
Sep 14 – Sep 16 · 2 nights
T'way AirNonstop
- Usual monthly lows
- $315–$360
- Board rank
- Stronger than 77%
- Route sample
- 7 observed months
Cached fare — the booking search re-prices live before you pay.
Destination briefSELSeoulPalaces wedged between skyscrapers, barbecue smoke at midnight, cafés that outnumber people.Best windowApr–May · Sep–OctAirportsIncheon (ICN) · Gimpo (GMP)All routes into SeoulWhen this route gets cheap.
Cached-fare history: across 7 months, Sep is the cheapest for SIN → SEL. Best time to be there: Apr–May · Sep–Oct.
Fares bottom out in September around $227 and peak in December near $378 — a $151 spread across the 7 months we track. The cheapest itinerary we are tracking flies T'way Air nonstop and takes about 7 hours outbound, on a 2-night trip. At $227 for 4,672 km each way, that works out to about $24 per 1,000 km flown. That is well under the $39 that medium-haul fares on this board typically run. Across the 5 departure cities we track at a similar distance from Seoul, this fare ranks 2nd — 33% above the $171 from Bangkok. It is also the 2nd cheapest of the 9 routes of similar length we watch out of Singapore.
Day-level prices for the next 4 months
Tap any day → live search
The median cached fare across this calendar is 3% higher than when tracking began on Aug 8 — $312 then versus $320 now, across 6 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $214, on Sep 15.
Cached day-level data for this route is sparse — 19 of 122 days priced, from 40 tracked fares. The days below are shown as found, with no cheapest-day or below-median call.
Cheapest in Sep · around $227
29% below the $320 typical fare
Cheapest round-trip fare found per month · Singapore → Seoul · cached-price history
Route facts
- Airports
- Changi (SIN) ↔ Incheon (ICN) · Gimpo (GMP)
- Flight time
- ~7 hours outbound
- Distance
- ~4,672 km each way
- Typical price
- $320 round-trip (seasonal median)
- Airlines on the board
- T'way Air
- Itineraries
- Nonstop available
- Best months to visit
- Apr–May · Sep–Oct
SIN → SEL, answered.
Is $227 a good price for Singapore to Seoul?
Yes — the seasonal median for this route is around $320 round-trip. At $227 you're 29% below that, saving about $93, which we rate good for this route.
What is the cheapest month to fly from Singapore to Seoul?
Across 7 months of cached-fare history, Sep comes out cheapest on this route. The best months to actually be in Seoul are Apr–May · Sep–Oct — when those overlap, that's your window.
How far in advance should I book SIN → Seoul?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 7 months of cached fares, Sep comes out lowest on this route. See /guides/what-moves-a-flight-price/ for what does move a fare.
Are there nonstop flights from Singapore to Seoul?
Yes — the current board includes nonstop fares (T'way Air). The outbound leg runs around 7 hours.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on September 1). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Seoul?
Lock the flight first — then compare stays for Sep 14 – Sep 16 · 2 nights.
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Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next SIN → SEL drop reaches you as soon as we find it.
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