Luxor is two cities with a river between them, and the river is not the problem. The clock is. Everything worth seeing on the west bank - the royal tombs, the terraces of Deir el-Bahari, the painted courts of Medinet Habu - sits in a treeless strip of desert that opens at first light, fills with coaches through the middle of the day, and bakes even in January. Everything worth seeing on the east bank is lit after dark and far better then than at noon. Plan Luxor in days and you will spend its best hours in a minibus. Plan it in mornings and the city opens up.
So, to the question of how long: four mornings, which in practice means three full days plus the half-days either side of them. Luxor is cheap by the standards of almost anywhere a traveller flies from, and that matters to the arithmetic here - the extra night that turns a rushed two-day visit into an unhurried four-morning one costs less than a mid-range dinner in Europe. Buy the night.
How many days Luxor is actually worth
One day is a raid, not a visit. You will see the Valley of the Kings and Deir el-Bahari, you will be back across the river by lunch with your shirt stuck to your back, and you will have skipped the two or three sites that visitors most often say afterwards they liked best. Two days is the honest minimum: one bank each, nothing wasted, nothing spare. Three days is what most packaged itineraries sell, and it works - provided you accept that a balloon flight will eat one of those mornings whole.
Four mornings is the version that stops feeling like a schedule. Two mornings of monuments on the west bank, one for the balloon or for a slower second pass at whatever you rushed, one for Karnak, and - the part no itinerary advertises - four afternoons you are not expected to do anything with at all.
Winter is the season the records favour, and the numbers explain why: December and January in Luxor run to roughly 23-24C by day, with nights that can fall towards single figures before dawn. Pleasant is not the same as mild. A 2pm sun in January is still a sun you want to be indoors from, which is the whole basis of the plan below.
A fifth day only earns its keep if temples are the reason you came. More on that at the end.
Morning one: the Valley of the Kings, and which three tombs
Be at the gate when it opens, which in winter is at about first light. The crowd curve here is well documented by local guides and painfully easy to confirm in person: the valley is quiet until around eight, solid from roughly ten until two, and quiet again for the last hour or two before closing. In our view no other single decision improves a Luxor itinerary as much as getting up for this one.
The standard ticket - expect somewhere around EGP 750 for a foreign adult, roughly half that on a student card - admits you to three tombs chosen from a rotating open list. Lately that list has run to KV1 (Ramesses VII), KV2 (Ramesses IV), KV6 (Ramesses IX), KV8 (Merenptah), KV11 (Ramesses III), KV14 (Tausret and Setnakht), KV15 (Seti II), KV16 (Ramesses I), KV43 (Thutmose IV) and KV47 (Siptah). Which of them are open changes for conservation reasons, so choose on the day from the board rather than from a blog. If they are available, Ramesses IV for its astronomical ceiling and surviving blue, Tausret and Setnakht for the sheer descending scale of the thing, and Ramesses IX make a strong three.
Three tombs sit outside the standard ticket. KV9, shared by Ramesses V and Ramesses VI, costs around EGP 220 extra and is the supplement almost every guidebook tells you to pay; the ceiling is the reason. KV62, Tutankhamun's, runs to roughly EGP 700 and is a small, plain chamber whose real interest is that the king himself is still lying in it - go knowing that, and you will not be disappointed. KV17, Seti I, is in the region of EGP 2,000, which is not a misprint, and is widely rated by Egyptologists as the finest decorated tomb in the valley.
A tram covers the stretch from the visitor centre for about EGP 20 return, after which it is an uphill walk to the tomb mouths. Inside, the tombs are hotter than the open valley and get hotter the deeper you descend; the long ones are a real effort in any season. Recent visitors report that the separate camera permit has been dropped, but assume nothing and ask at the gate.
From the valley, carry straight on to Deir el-Bahari - Hatshepsut's terraces, stacked against the cliff - and finish at the Colossi of Memnon, which take ten minutes and sit on the road out anyway. That is a morning. Stop there.
Morning two: the west bank nobody queues for
The second west bank morning is the one that converts people, and it is quieter than the first precisely because none of it is on the standard coach circuit.
Start at Medinet Habu, the mortuary temple of Ramesses III, again at opening. The Ministry of Tourism and Antiquities lists it as opening early and closing in the late afternoon, and entry costs the equivalent of a few dollars. Allow ninety minutes, or two hours if painted surfaces interest you, because this is the site on the west bank most often singled out for surviving colour - deep reds and blues still sitting in the sunk relief of the first court, where almost everywhere else has bleached to stone.
Deir el-Medina next: the village where the men who cut the royal tombs actually lived, with their own tombs on the slope above it for around EGP 220. Sennedjem's and Inherkhau's are small, intensely painted and worth the stoop. Then the Tombs of the Nobles at Sheikh Abd el-Qurna, where a basic ticket covers three and the tombs are kept locked - a guard will wander over and ask which you want opened. Sennefer's, nicknamed the tomb of the vines for its ceiling, and Rekhmire's are the two most often recommended.
If the morning still has room, add the Ramesseum for the toppled colossus that gave Shelley his Ozymandias, and Carter House, the mudbrick dig house where Howard Carter was living in 1922 and a museum since 2009. On its grounds stands a full-scale facsimile of Tutankhamun's burial chamber, built from laser scans by the Madrid workshop Factum Arte. Several travel writers argue it is the better of the two experiences; at the very least it is the cheaper one, and seeing it lets you decide honestly whether to buy the real tomb's supplement at all.
Hire a taxi for the whole morning rather than site by site, and agree the price before you get in. The west bank sites are much further apart than a map suggests, and there is no shade between any of them.