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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 $896
Dep. Mon 26 OctRet. Tue 03 Nov$896
Dep. Sat 24 OctRet. Mon 02 Nov$901
CZShow more Flights
Dep. Sun 01 NovRet. Mon 30 Nov$1,231
Dep. Sun 23 AugRet. Sat 05 Sep$1,317
Dep. Sat 22 AugRet. Sat 05 Sep$1,317
Dep. Thu 01 JulRet. Mon 19 Jul$7,731
CA Return flights from $960
Dep. Mon 26 OctRet. Tue 03 Nov$960
Dep. Sun 01 NovRet. Mon 30 Nov$1,123
CAShow more Flights
Dep. Sat 24 OctRet. Mon 02 Nov$1,354
CA,CZ Return flights from $1,038
Dep. Mon 26 OctRet. Tue 03 Nov$1,038
Dep. Sat 24 OctRet. Mon 02 Nov$1,051
CA,CZShow more Flights
Dep. Sun 23 AugRet. Sat 05 Sep$1,256
Dep. Sat 22 AugRet. Sat 05 Sep$1,262
CZ,MU Return flights from $1,057
Dep. Mon 26 OctRet. Tue 03 Nov$1,057
Dep. Sat 24 OctRet. Mon 02 Nov$1,065
CZ,MUShow more Flights
Dep. Sun 23 AugRet. Sat 05 Sep$1,216
Dep. Sun 01 NovRet. Mon 30 Nov$1,238
Dep. Sat 22 AugRet. Sat 05 Sep$1,582
CA,EY Return flights from $1,059
Dep. Sat 24 OctRet. Mon 02 Nov$1,059
Dep. Mon 26 OctRet. Tue 03 Nov$1,079
CA,EYShow more Flights
Dep. Sun 01 NovRet. Mon 30 Nov$1,342
Dep. Sun 23 AugRet. Sat 05 Sep$1,479
Dep. Sat 22 AugRet. Sat 05 Sep$1,505
MU Return flights from $1,068
Dep. Mon 26 OctRet. Tue 03 Nov$1,068
Dep. Sun 01 NovRet. Mon 30 Nov$1,072
MUShow more Flights
Dep. Sun 23 AugRet. Sat 05 Sep$1,072
Dep. Sat 24 OctRet. Mon 02 Nov$1,132
Dep. Sat 22 AugRet. Sat 05 Sep$1,342
Dep. Thu 01 JulRet. Mon 19 Jul$2,305
AI,CA Return flights from $1,070
Dep. Sat 24 OctRet. Mon 02 Nov$1,070
Dep. Sun 01 NovRet. Mon 30 Nov$1,071
AI,CAShow more Flights
Dep. Mon 26 OctRet. Tue 03 Nov$1,101
Dep. Sun 23 AugRet. Sat 05 Sep$1,344
Dep. Sat 22 AugRet. Sat 05 Sep$1,350
CA,MU Return flights from $1,072
Dep. Mon 26 OctRet. Tue 03 Nov$1,072
Dep. Sun 01 NovRet. Mon 30 Nov$1,151
CA,MUShow more Flights
Dep. Sat 24 OctRet. Mon 02 Nov$1,175
Dep. Sun 23 AugRet. Sat 05 Sep$1,215
Dep. Sat 22 AugRet. Sat 05 Sep$1,222
EY Return flights from $1,075
Dep. Sat 24 OctRet. Mon 02 Nov$1,075
Dep. Mon 26 OctRet. Tue 03 Nov$1,076
EYShow more Flights
Dep. Sun 01 NovRet. Mon 30 Nov$1,161
Dep. Sat 22 AugRet. Sat 05 Sep$1,460
Dep. Sun 23 AugRet. Sat 05 Sep$1,495
Dep. Thu 01 JulRet. Mon 19 Jul$2,452
EY,MU Return flights from $1,078
Dep. Sat 24 OctRet. Mon 02 Nov$1,078
Dep. Mon 26 OctRet. Tue 03 Nov$1,087
EY,MUShow more Flights
Dep. Sun 01 NovRet. Mon 30 Nov$1,364
Dep. Sun 23 AugRet. Sat 05 Sep$1,392
Dep. Sat 22 AugRet. Sat 05 Sep$1,639
AI,MU Return flights from $1,087
Dep. Sun 01 NovRet. Mon 30 Nov$1,087
Dep. Sat 24 OctRet. Mon 02 Nov$1,088
AI,MUShow more Flights
Dep. Mon 26 OctRet. Tue 03 Nov$1,120
Dep. Sun 23 AugRet. Sat 05 Sep$1,151
Dep. Sat 22 AugRet. Sat 05 Sep$1,151
AI Return flights from $1,090
Dep. Sat 24 OctRet. Mon 02 Nov$1,090
Dep. Sun 01 NovRet. Mon 30 Nov$1,093
AIShow more Flights
Dep. Sun 23 AugRet. Sat 05 Sep$1,107
Dep. Sat 22 AugRet. Sat 05 Sep$1,107
Dep. Mon 26 OctRet. Tue 03 Nov$1,126
Dep. Thu 01 JulRet. Mon 19 Jul$8,596
CA,SQ Return flights from $1,100
Dep. Mon 26 OctRet. Tue 03 Nov$1,100
Dep. Sat 24 OctRet. Mon 02 Nov$1,210
CA,SQShow more Flights
Dep. Sun 01 NovRet. Mon 30 Nov$1,441
Dep. Sun 23 AugRet. Sat 05 Sep$1,990
CZ,EY Return flights from $1,116
Dep. Sat 24 OctRet. Mon 02 Nov$1,116
Dep. Mon 26 OctRet. Tue 03 Nov$1,134
CZ,EYShow more Flights
Dep. Sun 01 NovRet. Mon 30 Nov$1,419
Dep. Sat 22 AugRet. Sat 05 Sep$1,693
Dep. Sun 23 AugRet. Sat 05 Sep$1,703
MU,SQ Return flights from $1,121
Dep. Mon 26 OctRet. Tue 03 Nov$1,121
Dep. Sat 24 OctRet. Mon 02 Nov$1,249
MU,SQShow more Flights
Dep. Sun 01 NovRet. Mon 30 Nov$1,464
Dep. Sun 23 AugRet. Sat 05 Sep$1,867
Dep. Sat 22 AugRet. Sat 05 Sep$2,438

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.

Aug 2026
$956
Sep 2026
$1,273
Oct 2026
$1,158
Nov 2026
$900
Feb 2027
$905

The cheapest month to fly to London - Heathrow is November 2026, with return fares from $900 — 29% cheaper than the most expensive month (September 2026, from $1,273).

When Should You Fly to London - Heathrow?

Based on the fares we've tracked, November is typically the cheapest month to fly to London - Heathrow, with return fares from $900. September is the most expensive month, with the cheapest return fares around $1,273.

Across the year, return fares to London - Heathrow average around $1,038. If you can travel in the off-peak months of November, February and August, you'll generally pay up to 13% less than the yearly average.


Cheapest Sydney to London - Heathrow Return Prices

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

August 2026
$956
September 2026
$1,273
October 2026
$1,158
November 2026
$900
February 2027
$905

How I Want That Flight can help you

What's the benefit of using I Want That Flight for my Sydney to London - Heathrow flight?

Think of us as your personal shortcut to a great deal. Instead of you opening fifty different tabs, we instantly cross-check rates across heaps of airlines and booking sites to score you the sweet spot on pricing. Millions of holidaymakers count on us every year to get them airborne, so you're running with a pretty savvy crowd.

Can you sort me out with direct flights from Sydney to London - Heathrow?

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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