Route guide

Kuala Lumpur to Surabaya (KUL-SUB): Nonstop Upgrade & Award Space

Malaysia Airlines, Indonesia AirAsia, and Malindo Airways fly nonstop between Kuala Lumpur (KUL) and Surabaya (SUB), roughly 47 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every KUL to SUB departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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47
Nonstop flights a week
1,036 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every KUL to SUB departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Kuala Lumpur to Surabaya to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each KUL to SUB departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See KUL to SUB on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Kuala Lumpur to Surabaya nonstop

Carriers operating KUL to SUB nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Malaysia Airlines
  • Indonesia AirAsia
  • Malindo Airways
See KUL to SUB on the interactive map →

Frequently asked questions about KUL to SUB

How far is Surabaya from Kuala Lumpur?
KUL to SUB covers about 1,036 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from KUL to SUB?
Malaysia Airlines, Indonesia AirAsia, and Malindo Airways fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all three of them.
How many flights a week are there from KUL to SUB?
About 47 nonstop flights a week run between Kuala Lumpur and Surabaya in the current schedule, operated by Malaysia Airlines, Indonesia AirAsia, and Malindo Airways. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on KUL to SUB?
Open the KUL to SUB calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Kuala Lumpur to Surabaya route, and 2LNR will notify you when space opens. It's free to start.

Never miss KUL to SUB upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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