Cheap Flights from Singapore to London
Round-trip economy fares between Singapore (SIN) and London (LHR) average A$1,321 across the year. Book for January and typical prices fall to A$1,083. The 10,881 km hop takes about 13.4 hours non-stop, and the nicest window to visit London is May – September.
Today's tracked low
A$996 −8% vs. seasonal low
Not flying from Singapore? See London deals from your nearest hub.
When is the cheapest time to fly from Singapore to London?
Average round-trip economy fare by departure month. January is the statistical sweet spot at A$1,083.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January Cheapest | A$1,083 | −A$238 |
| February | A$1,110 | −A$211 |
| March | A$1,242 | −A$79 |
| April | A$1,347 | +A$26 |
| May | A$1,453 | +A$132 |
| June | A$1,585 | +A$264 |
| July | A$1,664 | +A$343 |
| August | A$1,612 | +A$291 |
| September | A$1,374 | +A$53 |
| October | A$1,268 | −A$53 |
| November | A$1,162 | −A$159 |
| December | A$1,427 | +A$106 |
Travel Readiness & Connectivity — United Kingdom
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Singapore to London flight FAQs
- What is the cheapest month to fly from Singapore to London?
- January is typically cheapest, with round-trips from A$1,083 — about A$238 under the yearly average of A$1,321.
- How long is the flight from Singapore to London?
- Non-stop services cover the 10,881 km route in roughly 13.4 hours.
- When is the best time to visit London?
- May – September. Entry requirements: UK ETA required for visa-exempt nationals since 2025.