Route brief · WAS → KUL
Washington → Kuala Lumpur
$927
round-trip · too little price history on this route to compare
Feb 1 '27 – Feb 7 '27 · 6 nights
Korean Air2 stops
Cached fare — the booking search re-prices live before you pay.
Destination briefKULKuala LumpurAirAsia’s home base, which is why fares onward to anywhere in Asia collapse the moment you land.Best windowMay–JulAirportsKuala Lumpur (KUL) · Subang (SZB)All routes into Kuala LumpurWhen this route gets cheap.
Best time to be in Kuala Lumpur: May–Jul. Fare history for this route is still thin, so we make no seasonal call yet.
The cheapest itinerary we are tracking makes 2 stops and takes about 24 hours outbound, on a 6-night trip — ticketed under Korean Air, which on a connecting fare need not operate every leg. At $927 for 15,339 km each way, that works out to about $30 per 1,000 km flown. That is below the $40 typical of ultra-long-haul fares here. Across the 12 departure cities we track at a similar distance from Kuala Lumpur, this fare ranks 5th — 31% above the $710 from Boston. That puts it in the cheaper half of the 20 routes of similar length we watch out of Washington, where the middle fare is $1,053. We have 1 month of cached prices for this route so far — not enough to call a fare cheap or expensive, so we publish the price without a percentage.
The 2 days we hold a cached fare for
Tap a date → live search
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.
Route facts
- Airports
- Dulles (IAD) · Reagan National (DCA) · Baltimore (BWI) ↔ Kuala Lumpur (KUL) · Subang (SZB)
- Flight time
- ~24 hours outbound
- Distance
- ~15,339 km each way
- Airlines on the board
- Korean Air
- Itineraries
- Connections on current fares
- Best months to visit
- May–Jul
WAS → KUL, answered.
How far in advance should I book WAS → Kuala Lumpur?
We do not publish a number for this, because we cannot measure it yet.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. See /guides/what-moves-a-flight-price/ for the levers we can measure.
Are there nonstop flights from Washington to Kuala Lumpur?
The current cheapest fares involve a connection, ticketed under Korean Air. Nonstop options exist on many dates at higher prices — check the live search for your exact dates.
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 Kuala Lumpur?
Lock the flight first — then compare stays for Feb 1 '27 – Feb 7 '27 · 6 nights.
Browse hotels ↗
Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next WAS → KUL drop reaches you as soon as we find it.
Follow WAS → KUL