Cheap Flights from London to Bangkok
Round-trip economy fares between London (LHR) and Bangkok (BKK) average A$1,057 across the year. Book for June and typical prices fall to A$846. The 9,577 km hop takes about 11.9 hours non-stop, and the nicest window to visit Bangkok is November – February (cool & dry).
Today's tracked low
A$804 −5% vs. seasonal low
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When is the cheapest time to fly from London to Bangkok?
Average round-trip economy fare by departure month. June is the statistical sweet spot at A$846.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January | A$1,247 | +A$190 |
| February | A$1,205 | +A$148 |
| March | A$1,099 | +A$42 |
| April | A$972 | −A$85 |
| May | A$888 | −A$169 |
| June Cheapest | A$846 | −A$211 |
| July | A$888 | −A$169 |
| August | A$909 | −A$148 |
| September | A$867 | −A$190 |
| October | A$994 | −A$63 |
| November | A$1,184 | +A$127 |
| December | A$1,332 | +A$275 |
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London to Bangkok flight FAQs
- What is the cheapest month to fly from London to Bangkok?
- June is typically cheapest, with round-trips from A$846 — about A$211 under the yearly average of A$1,057.
- How long is the flight from London to Bangkok?
- Non-stop services cover the 9,577 km route in roughly 11.9 hours.
- When is the best time to visit Bangkok?
- November – February (cool & dry). Entry requirements: 60-day visa exemption for many nationalities.