Route brief · SEL → PEK
Seoul → Beijing
$195
−24% vs typical
seasonal median $255 · difference $60
Dec 23 – Dec 28 · 5 nights
Air ChinaNonstop
- Usual monthly lows
- $196–$261
- Board rank
- Stronger than 66%
- Route sample
- 10 observed months
Cached fare — the booking search re-prices live before you pay.
Destination briefPEKBeijingImperial scale — the Forbidden City, the Wall an hour north, and a visa-free transit window worth checking.Best windowSep–Oct · Apr–MayAirportsCapital (PEK) · Daxing (PKX)All routes into BeijingWhen this route gets cheap.
Cached-fare history: across 10 months, Dec is the cheapest for SEL → PEK. Best time to be there: Sep–Oct · Apr–May.
Fares bottom out in December around $195 and peak in May near $270 — a $75 spread across the 10 months we track. The cheapest itinerary we are tracking flies Air China nonstop and takes about 2.5 hours outbound, on a 5-night trip. At $195 for 942 km each way, that works out to about $104 per 1,000 km flown. That is above the $41 typical of short-haul fares here.
Cheapest day in the next 3 months: Oct 13 · $193 (18% below median)
Tap any day → live search
The median cached fare across this calendar is unchanged since tracking began on Aug 8 — $224 then versus $224 now, across 4 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 $190, on Oct 22.
September 2026
October 2026
Cheapest in Dec · around $195
24% below the $255 typical fare
Cheapest round-trip fare found per month · Seoul → Beijing · cached-price history
Route facts
- Airports
- Incheon (ICN) · Gimpo (GMP) ↔ Capital (PEK) · Daxing (PKX)
- Flight time
- ~2.5 hours outbound
- Distance
- ~942 km each way
- Typical price
- $255 round-trip (seasonal median)
- Airlines on the board
- Air China
- Itineraries
- Nonstop available
- Best months to visit
- Sep–Oct · Apr–May
SEL → PEK, answered.
Is $195 a good price for Seoul to Beijing?
Yes — the seasonal median for this route is around $255 round-trip. At $195 you're 24% below that, saving about $60, which we rate good for this route.
What is the cheapest month to fly from Seoul to Beijing?
Across 10 months of cached-fare history, Dec comes out cheapest on this route. The best months to actually be in Beijing are Sep–Oct · Apr–May — when those overlap, that's your window.
How far in advance should I book SEL → Beijing?
We do not publish a number for this, because we cannot measure it yet.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 10 months of cached fares, Dec comes out lowest on this route. See /guides/what-moves-a-flight-price/ for what does move a fare.
Are there nonstop flights from Seoul to Beijing?
Yes — the current board includes nonstop fares (Air China). The outbound leg runs around 2.5 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 Beijing?
Lock the flight first — then compare stays for Dec 23 – Dec 28 · 5 nights.
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Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next SEL → PEK drop reaches you as soon as we find it.
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