Via Istanbul

Watchful 69 /100

London → Singapore

Near a warning area, but does not cross it

11,190 km · 13h 30min

Iranian Airspace Advisory Ukraine Conflict Zone
Moderate reroute options · via Istanbul · ~13h 30m

Route assessed 38m ago · Sources re-checked 38m ago

Why book

This route passes near two active airspace advisories but does not cross them directly. The airspace situation warrants attention before you book. Check with your airline and official sources for current conditions and any route changes they may implement.

The catch

Goes close to a warning area but does not cross it

Worth knowing

Monitor updates on Iranian and Ukrainian airspace advisories before departure and throughout your journey. Confirm with your airline that your booked routing remains unchanged given the current situation.

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Watchful 69

London → Singapore

↓ route details
Route strength 67

Other paths · Stop quality

Problems now 71

Closed areas · Flight options

This routing ranks in the middle for this corridor — it avoids crossing active conflict zones but stays close enough to warrant monitoring. Alternative routings may offer clearer airspace, depending on current conditions.

  • LHR–IST uses standard European routing — no restricted airspace. IST–SIN routes east via Iran/Central Asia, which carries a level-1 advisory but no active routing restriction.
  • Turkish Airlines and Singapore Airlines share strong codeshare depth on this pairing, providing 4+ daily frequency options from IST to SIN.
  • Journey time is now consistently 13.5 hours — stable since late 2023 after airlines settled into post-Russia routes.
  • Istanbul hub sits outside the Middle East advisory zone proper, though its geographic position means regional escalations are worth monitoring.
  • If Iranian FIR applies sudden NOTAM restrictions, the IST–SIN leg may need mid-route adjustment — a low-probability but non-zero risk.
Airspace Low

This route via Istanbul passes through the outer edge of Iranian airspace. Iranian airspace monitoring status may require route adjustments.

Iranian Airspace Advisory

CZIB-2026-03-R11 ↗ · checked 38m ago

Airspace Low

This route's European flight leg tracks through Eastern Europe near the Ukraine conflict zone. If Ukrainian airspace status changes, route options on this corridor may be affected.

Ukraine Conflict Zone

CZIB-2022-01 ↗ · checked 38m ago

Other options for this trip

Via Hong Kong 79
Via Dubai 66

Scores are based on official airspace warnings, added flight time, and how many reroute options exist. This is not a safety rating. Always check with your airline before you book.

For reference only · Verify before booking.

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All routes from London → All routes to Singapore → Iranian Airspace Advisory zone → Ukraine Conflict Zone zone →
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