Singapore (SIN) to Langkawi (LGK): 453 miles (728 km) great-circle, about 1h 25m nonstop by our estimate. Cheapest fare observed: $100 round-trip on AirAsia, nonstop, departing July 2, 2026.
$100 round-trip, AirAsia AK733, departing 2026-07-02 at 10:50, returning 2026-07-07. The recorded itinerary left on a Thursday, returning on a Tuesday 5 nights later; the fare was observed 68 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $100, it ranked 2nd of the 30 round-trip fares we recorded from SIN (median $361). That is 22.1 cents per great-circle mile (round-trip price over one-way distance), above the SIN median of 19.9 cents across 30 round-trip routes.
Routes from SIN of similar length: Jakarta (548 mi) at $219 and Phuket (609 mi) at $182.
AirAsia had the cheapest fare on 4 of 30 SIN routes. It is the 29th longest of the 30 routes we track from SIN.
Of 2 departure airports with a fare to Langkawi, Singapore (SIN) ranked 2nd at $100. Lowest: $62 from Kuala Lumpur (KUL); highest: $100 from Singapore (SIN); 2 nonstop. Cheapest-fare airlines (routes): AirAsia (2).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Singapore, Asia/Kuala_Lumpur; flight time is our estimate.