Singapore to Istanbul (SIN-IST): Nonstop Upgrade & Award Space
Turkish Airlines, Singapore Airlines, and Aegean Airlines fly nonstop between Singapore (SIN) and Istanbul (IST), roughly 22 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 SIN to IST 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.
Confirmed upgrade & award space on every SIN to IST 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 Singapore to Istanbul 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 SIN to IST 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 SIN to IST on the interactive route map, with schedules, connections, and route statistics.
Airlines flying Singapore to Istanbul nonstop
Carriers operating SIN to IST nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.
- Turkish Airlines
- Singapore Airlines
- Aegean Airlines
Frequently asked questions about SIN to IST
How far is Istanbul from Singapore?
Which airlines fly nonstop from SIN to IST?
How many flights a week are there from SIN to IST?
How do I check upgrade or award availability on SIN to IST?
Never miss SIN to IST upgrade or award space
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