Cheap Flights from London to Adelaide
Round-trip economy fares between London (LHR) and Adelaide (ADL) average A$1,946 across the year. Book for June and typical prices fall to A$1,518. The 16,284 km hop takes about 19.8 hours non-stop, and the nicest window to visit Adelaide is March (festival season) & September – November.
Today's tracked low
A$1,381 −9% vs. seasonal low
Not flying from London? See Adelaide deals from your nearest hub.
When is the cheapest time to fly from London to Adelaide?
Average round-trip economy fare by departure month. June is the statistical sweet spot at A$1,518.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January | A$2,374 | +A$428 |
| February | A$2,180 | +A$234 |
| March | A$2,063 | +A$117 |
| April | A$1,829 | −A$117 |
| May | A$1,635 | −A$311 |
| June Cheapest | A$1,518 | −A$428 |
| July | A$1,557 | −A$389 |
| August | A$1,635 | −A$311 |
| September | A$1,829 | −A$117 |
| October | A$1,985 | +A$39 |
| November | A$2,141 | +A$195 |
| December | A$2,452 | +A$506 |
Travel Readiness & Connectivity — Australia
ETA / eVisitor authorisation required before boarding.
Instant eSIM data for Australia
7 days
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A$12.00 · A$1.71/day
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14 days
5 GB data
A$22.00 · A$1.57/day
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30 days
10 GB data
A$33.00 · A$1.10/day
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London to Adelaide flight FAQs
- What is the cheapest month to fly from London to Adelaide?
- June is typically cheapest, with round-trips from A$1,518 — about A$428 under the yearly average of A$1,946.
- How long is the flight from London to Adelaide?
- Non-stop services cover the 16,284 km route in roughly 19.8 hours.
- When is the best time to visit Adelaide?
- March (festival season) & September – November. Entry requirements: ETA / eVisitor authorisation required before boarding.