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Cheap Flights from Sydney to London - Heathrow

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Reverse direction: LHR to SYD

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CZ Return flights from $909
Dep. Tue 17 NovRet. Sun 22 Nov$909
Dep. Thu 05 NovRet. Mon 23 Nov$909
CZShow more Flights
Dep. Tue 10 NovRet. Mon 30 Nov$930
Dep. Sun 02 MayRet. Sun 06 Jun$1,583
Dep. Thu 10 SepRet. Thu 01 Oct$1,616
Dep. Mon 28 JunRet. Sun 25 Jul$2,003
Dep. Thu 10 SepRet. Thu 08 Oct$2,061
Dep. Sun 03 JanRet. Thu 28 Jan$2,126
Dep. Thu 03 SepRet. Fri 18 Sep$2,160
Dep. Thu 24 SepRet. Fri 09 Oct$10,435
MU Return flights from $926
Dep. Tue 17 NovRet. Sun 22 Nov$926
Dep. Thu 05 NovRet. Mon 23 Nov$926
MUShow more Flights
Dep. Tue 10 NovRet. Mon 30 Nov$933
Dep. Sun 02 MayRet. Sun 06 Jun$1,035
Dep. Thu 03 SepRet. Fri 18 Sep$1,590
Dep. Thu 10 SepRet. Thu 01 Oct$1,678
Dep. Thu 10 SepRet. Thu 08 Oct$1,760
Dep. Sun 03 JanRet. Thu 28 Jan$1,822
Dep. Mon 28 JunRet. Sun 25 Jul$2,221
Dep. Thu 24 SepRet. Fri 09 Oct$8,837
CA Return flights from $989
Dep. Tue 17 NovRet. Sun 22 Nov$989
Dep. Tue 10 NovRet. Mon 30 Nov$997
CAShow more Flights
Dep. Thu 05 NovRet. Mon 23 Nov$1,077
Dep. Sun 02 MayRet. Sun 06 Jun$1,431
Dep. Thu 10 SepRet. Thu 01 Oct$1,710
Dep. Thu 10 SepRet. Thu 08 Oct$1,756
Dep. Thu 03 SepRet. Fri 18 Sep$2,204
Dep. Sun 03 JanRet. Thu 28 Jan$2,591
CA,HU Return flights from $1,016
Dep. Tue 17 NovRet. Sun 22 Nov$1,016
Dep. Tue 10 NovRet. Mon 30 Nov$1,022
CA,HUShow more Flights
Dep. Thu 05 NovRet. Mon 23 Nov$1,030
Dep. Thu 10 SepRet. Thu 08 Oct$1,851
Dep. Thu 10 SepRet. Thu 01 Oct$1,925
HU,MU Return flights from $1,019
Dep. Tue 17 NovRet. Sun 22 Nov$1,019
Dep. Tue 10 NovRet. Mon 30 Nov$1,026
HU,MUShow more Flights
Dep. Thu 05 NovRet. Mon 23 Nov$1,029
Dep. Thu 10 SepRet. Thu 01 Oct$1,450
Dep. Thu 10 SepRet. Thu 08 Oct$1,678
CA,MU Return flights from $1,026
Dep. Sun 02 MayRet. Sun 06 Jun$1,026
Dep. Tue 10 NovRet. Mon 30 Nov$1,056
CA,MUShow more Flights
Dep. Thu 05 NovRet. Mon 23 Nov$1,065
Dep. Tue 17 NovRet. Sun 22 Nov$1,066
Dep. Mon 28 JunRet. Sun 25 Jul$2,713
CZ,HU Return flights from $1,027
Dep. Tue 10 NovRet. Mon 30 Nov$1,027
Dep. Tue 17 NovRet. Sun 22 Nov$1,029
CZ,HUShow more Flights
Dep. Thu 05 NovRet. Mon 23 Nov$1,031
Dep. Thu 10 SepRet. Thu 01 Oct$1,704
AI Return flights from $1,040
Dep. Tue 10 NovRet. Mon 30 Nov$1,040
Dep. Thu 05 NovRet. Mon 23 Nov$1,058
AIShow more Flights
Dep. Tue 17 NovRet. Sun 22 Nov$1,058
Dep. Thu 10 SepRet. Thu 08 Oct$1,102
Dep. Thu 10 SepRet. Thu 01 Oct$1,654
Dep. Sun 02 MayRet. Sun 06 Jun$1,867
Dep. Thu 03 SepRet. Fri 18 Sep$2,185
Dep. Mon 28 JunRet. Sun 25 Jul$2,372
Dep. Sun 03 JanRet. Thu 28 Jan$3,685
Dep. Thu 24 SepRet. Fri 09 Oct$6,925
CA,CZ Return flights from $1,051
Dep. Tue 17 NovRet. Sun 22 Nov$1,051
Dep. Thu 05 NovRet. Mon 23 Nov$1,057
CA,CZShow more Flights
Dep. Tue 10 NovRet. Mon 30 Nov$1,062
CZ,EY Return flights from $1,051
Dep. Tue 17 NovRet. Sun 22 Nov$1,051
Dep. Tue 10 NovRet. Mon 30 Nov$1,055
CZ,EYShow more Flights
Dep. Thu 05 NovRet. Mon 23 Nov$1,069
Dep. Sun 02 MayRet. Sun 06 Jun$1,649
Dep. Thu 10 SepRet. Thu 01 Oct$2,139
CA,EY Return flights from $1,053
Dep. Tue 10 NovRet. Mon 30 Nov$1,053
Dep. Tue 17 NovRet. Sun 22 Nov$1,054
CA,EYShow more Flights
Dep. Thu 05 NovRet. Mon 23 Nov$1,066
Dep. Sun 02 MayRet. Sun 06 Jun$1,291
Dep. Mon 28 JunRet. Sun 25 Jul$3,088
CZ,MU Return flights from $1,056
Dep. Tue 17 NovRet. Sun 22 Nov$1,056
Dep. Thu 05 NovRet. Mon 23 Nov$1,064
CZ,MUShow more Flights
Dep. Tue 10 NovRet. Mon 30 Nov$1,068
Dep. Sun 02 MayRet. Sun 06 Jun$1,320
EY,MU Return flights from $1,057
Dep. Tue 10 NovRet. Mon 30 Nov$1,057
Dep. Tue 17 NovRet. Sun 22 Nov$1,058
EY,MUShow more Flights
Dep. Thu 05 NovRet. Mon 23 Nov$1,071
Dep. Sun 02 MayRet. Sun 06 Jun$1,258
Dep. Thu 10 SepRet. Thu 01 Oct$1,840
Dep. Thu 10 SepRet. Thu 08 Oct$2,084
CZ,HU,TR Return flights from $1,066
Dep. Tue 10 NovRet. Mon 30 Nov$1,066
CZ,MU,TR Return flights from $1,080
Dep. Tue 10 NovRet. Mon 30 Nov$1,080

Prices are from searches made in the last 24 hours and current prices may differ.

Do you need to catch a flight to Sydney? Check out our domestic flights to Sydney. If Sydney is not your closest airport, then here are all our flights to London - Heathrow from United States (USA) and flights to United Kingdom. Maybe a different destination? Here are all the flights from Sydney


Cheapest Time of Year to Fly from Sydney to London - Heathrow

Return fares from Sydney to London - Heathrow by month, based on the cheapest return airfares found for each month.

Sep 2026
$1,490
Oct 2026
$1,212
Mar 2027
$1,193
May 2027
$1,334

The cheapest month to fly to London - Heathrow is March 2027, with return fares from $1,193 — 20% cheaper than the most expensive month (September 2026, from $1,490).

When Should You Fly to London - Heathrow?

Based on the fares we've tracked, March is typically the cheapest month to fly to London - Heathrow, with return fares from $1,193. September is the most expensive month, with the cheapest return fares around $1,490.

Across the year, return fares to London - Heathrow average around $1,307. If you can travel in the off-peak months of March, October and May, you'll generally pay up to 9% less than the yearly average.


Cheapest Sydney to London - Heathrow Return Prices

These are the cheapest prices for Sydney to London - Heathrow return airfares.

September 2026
$1,490
October 2026
$1,212
March 2027
$1,193
May 2027
$1,334

How I Want That Flight can help you

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100%. As soon as the page finishes loading your options, hit the "Direct" filter. The layovers will vanish, leaving you with only the non-stop routes.

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No worries at all. Just kick off a quick search, drop your email into our price tracker, and we’ll send a heads-up straight to your inbox the moment the price drops.

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