Cheap flights from London to Sydney (LHR–SYD)
United Kingdom
Australia
We list no nonstop flights from London to Sydney. Connect via Bangkok (Thai Airways), Hanoi (Vietnam Airlines) and Ho Chi Minh City (Vietnam Airlines), each on a single airline for both legs. The most direct routing is via Hanoi (almost no extra distance); via Bangkok adds 0%.
- From
- LHR
- London
- To
- SYD
- Sydney
- Nonstop
- No
- Typical connections
- BKK · HAN · SGN
- Cheapest fare found
- £414 one-way
- Distance
- 17,020 km (10,580 mi)
- Time difference
- Sydney 10 hours ahead
Data from the sources listed, updated:· How we verify
London to Sydney fares by month
Cheapest one-way fare found: £414 for November 2026 on Hainan Airlines (1 stop).
- Oct ’26£478
- Nov ’26£414
- Dec ’26£446
- Jan ’27£567
- Feb ’27£572
- Mar ’27£505
- Apr ’27£516
- Aug ’27£708
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly LHR–SYD
For London Heathrow (LHR) to Sydney (SYD), November 2026 had the lowest fare found (£414). Days in Sydney average 18–28 °C in January, February, March, April, May, June, August, September, October, November and December. Set your watch 10 hours forward on landing at SYD.
London to Sydney: frequently asked questions
Fares: Aviasales price cache, 11 October 2026.
How much is a flight from London Heathrow (LHR) to Sydney (SYD)?
From £414 one-way, the cheapest fare found for November 2026 on Hainan Airlines with 1 stop (found 11 October 2026).
What is the cheapest month to fly LHR–SYD?
November 2026, at £414; the dearest month found was £708.
What is the time difference between London and Sydney?
Sydney is 10 hours ahead of London: a LHR departure at noon is 22:00 local time in SYD.
Best connections from London to Sydney
| Via | One airline, both legs | LHR → hub | Hub → SYD | Distance flown |
|---|---|---|---|---|
| BKK Bangkok · Layover guide | BR · TG | QF · TG | 17,090 km (10,620 mi) +0% vs direct | |
| HAN Hanoi | VN | VN | 17,030 km (10,580 mi) +0% vs direct | |
| SGN Ho Chi Minh City · Layover guide | VN | JQ · VJ · VN | 17,070 km (10,600 mi) +0% vs direct |
A shared airline on both legs does not establish a protected connection. Confirm that the itinerary is sold as one ticket, with enough transfer time; separate bookings can leave you responsible for a missed onward flight.
LHR–SYD route map
More from London and Sydney
Other arrivals in Australia
Also nonstop from LHR, nearest to SYD first (straight-line distance):
- Perth (PER) airport guide · 3,280 km (2,040 mi) from SYD
Explore the airlines’ route maps
EVA Air route map and destinations
Thai Airways route map and destinations
Qantas route map and destinations
Vietnam Airlines route map and destinations
Jetstar Airways route map and destinations
VietJet Air route map and destinations
Plan your arrival at Sydney Kingsford Smith International Airport (SYD)
Departure
London Heathrow Airport
Heathrow (LHR), London. In our data, 81 airlines fly nonstop from LHR to 213 destinations.
View LHR airport guide →Arrival
Sydney Kingsford Smith International Airport
3 ways into Sydney, fastest from 13 min:
- Airport Link train 13–20 min · A$21.64–22.94
- Taxi (fixed fare to the CBD, trial) 20–40 min · A$60
- Public bus 30 min–1h
Weather in Sydney vs London
Sydney is warmer than London in 8 months and cooler in 3; the biggest gap is in January (28°C against 9°C). In October it averages 24°C in Sydney and 16°C in London.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sydney | 28° | 27° | 26° | 23° | 21° | 18° | 18° | 19° | 22° | 24° | 25° | 26° |
| London | 9° | 9° | 12° | 16° | 19° | 22° | 24° | 23° | 21° | 16° | 12° | 9° |
Average daily highs. Climate normals from Climate of Sydney and Climate of London (Wikipedia, CC BY-SA), which cite the national weather services.
Onward from Sydney
Places you can't fly to nonstop from LHR, but can from SYD — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- thaiairways.com — Thai Airways destinations
- thaiairways.com — Bangkok–Siem Reap service
- en.wikipedia.org — current destination list, cross-checked 2026-09-25 (terminated routes removed)
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- vietnamairlines.com — Vietnam Airlines schedule
- en.wikipedia.org — current destination list, cross-checked 2026-09-25 (terminated routes removed)
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.