Route brief · KUL → HAN
Kuala Lumpur → Hanoi
$167
−12% vs typical
seasonal median $190 · difference $23
Sep 19 – Sep 23 · 4 nights
AirAsiaNonstop
- Usual monthly lows
- $185–$190
- Board rank
- Stronger than 28%
- Route sample
- 4 observed months
Cached fare — the booking search re-prices live before you pay.
Destination briefHANHanoiOld-quarter alleys, motorbike tides and the country’s best food — and Ha Long Bay two hours out.Best windowOct–Nov · Mar–AprAirportsNoi Bai (HAN)All routes into HanoiWhen this route gets cheap.
Cached-fare history: across 4 months, Sep is the cheapest for KUL → HAN. Best time to be there: Oct–Nov · Mar–Apr.
Fares bottom out in September around $167 and peak in January near $192 — a $25 spread across the 4 months we track. The cheapest itinerary we are tracking flies AirAsia nonstop and takes about 3.5 hours outbound, on a 4-night trip. At $167 for 2,039 km each way, that works out to about $41 per 1,000 km flown. That is about the $41 typical of short-haul fares here. Across the 4 departure cities we track at a similar distance from Hanoi, this fare ranks 2nd — 1% above the $166 from Manila. It is also the 3rd cheapest of the 6 routes of similar length we watch out of Kuala Lumpur.
The 3 days we hold a cached fare for
Tap a date → live search
The median cached fare across this calendar is 6% lower than when tracking began on Aug 8 — $196 then versus $185 now, across 5 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 $167, on Sep 19.
These are the only days we have a cached price for on this route so far — not the only days it flies. The search above covers any date.
Cheapest in Sep · around $167
12% below the $190 typical fare
Cheapest round-trip fare found per month · Kuala Lumpur → Hanoi · cached-price history
Route facts
- Airports
- Kuala Lumpur (KUL) · Subang (SZB) ↔ Noi Bai (HAN)
- Flight time
- ~3.5 hours outbound
- Distance
- ~2,039 km each way
- Typical price
- $190 round-trip (seasonal median)
- Airlines on the board
- AirAsia
- Itineraries
- Nonstop available
- Best months to visit
- Oct–Nov · Mar–Apr
KUL → HAN, answered.
Is $167 a good price for Kuala Lumpur to Hanoi?
Only slightly. The seasonal median is around $190 round-trip and this fare is 12% under it, about $23. We do not call a drop notable until 20%, so this is an ordinary price for the route rather than a reason to hurry.
What is the cheapest month to fly from Kuala Lumpur to Hanoi?
Across 4 months of cached-fare history, Sep comes out cheapest on this route. The best months to actually be in Hanoi are Oct–Nov · Mar–Apr — when those overlap, that's your window.
How far in advance should I book KUL → Hanoi?
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 4 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 Kuala Lumpur to Hanoi?
Yes — the current board includes nonstop fares (AirAsia). The outbound leg runs around 3.5 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 Hanoi?
Lock the flight first — then compare stays for Sep 19 – Sep 23 · 4 nights.
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Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next KUL → HAN drop reaches you as soon as we find it.
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