1 Adult (Economy)
  • Economy
  • - + 12+
  • - + 2-11
  • - + <2 (on lap)
  • Done
Compare

Cheap Flights from Sydney to London - Heathrow

Filter
Close
Return
One Way
Reverse direction: LHR to SYD
Depart
Return
CZ Return flights from $1,578
Dep. Fri 23 OctRet. Sun 15 Nov$1,578
Dep. Sun 13 DecRet. Sun 20 Dec$3,363
CZShow more Flights
Dep. Mon 14 DecRet. Mon 21 Dec$3,512
Dep. Thu 07 JanRet. Thu 21 Jan$4,128
Dep. Sat 19 JunRet. Sat 17 Jul$4,131
Dep. Sat 19 JunRet. Mon 19 Jul$14,777
MU Return flights from $1,672
Dep. Fri 23 OctRet. Sun 15 Nov$1,672
Dep. Mon 14 DecRet. Mon 21 Dec$3,178
MUShow more Flights
Dep. Thu 07 JanRet. Thu 21 Jan$3,210
Dep. Sun 13 DecRet. Sun 20 Dec$3,564
Dep. Sat 19 JunRet. Sat 17 Jul$4,163
Dep. Sat 19 JunRet. Mon 19 Jul$12,382
CA,CZ Return flights from $1,821
Dep. Fri 23 OctRet. Sun 15 Nov$1,821
Dep. Mon 14 DecRet. Mon 21 Dec$3,971
CA,CZShow more Flights
Dep. Sun 13 DecRet. Sun 20 Dec$4,566
KE,OZ Return flights from $1,821
Dep. Fri 23 OctRet. Sun 15 Nov$1,821
Dep. Mon 14 DecRet. Mon 21 Dec$3,389
KE,OZShow more Flights
Dep. Sat 19 JunRet. Sat 17 Jul$3,725
Dep. Sun 13 DecRet. Sun 20 Dec$3,789
Dep. Thu 07 JanRet. Thu 21 Jan$4,712
Dep. Sat 19 JunRet. Mon 19 Jul$12,687
CZ,MF Return flights from $1,855
Dep. Fri 23 OctRet. Sun 15 Nov$1,855
Dep. Sun 13 DecRet. Sun 20 Dec$4,787
CA,MU Return flights from $1,862
Dep. Fri 23 OctRet. Sun 15 Nov$1,862
Dep. Mon 14 DecRet. Mon 21 Dec$4,858
CA,MUShow more Flights
Dep. Sun 13 DecRet. Sun 20 Dec$5,687
Dep. Sat 19 JunRet. Sat 17 Jul$5,741
Dep. Thu 07 JanRet. Thu 21 Jan$8,469
AI,CA Return flights from $1,867
Dep. Fri 23 OctRet. Sun 15 Nov$1,867
Dep. Sat 19 JunRet. Sat 17 Jul$4,313
AI,CAShow more Flights
Dep. Mon 14 DecRet. Mon 21 Dec$4,785
Dep. Sat 19 JunRet. Mon 19 Jul$21,794
AI Return flights from $1,887
Dep. Fri 23 OctRet. Sun 15 Nov$1,887
Dep. Sat 19 JunRet. Sat 17 Jul$2,544
AIShow more Flights
Dep. Mon 14 DecRet. Mon 21 Dec$2,921
Dep. Thu 07 JanRet. Thu 21 Jan$3,172
Dep. Sun 13 DecRet. Sun 20 Dec$3,346
Dep. Sat 19 JunRet. Mon 19 Jul$13,508
EY,MF Return flights from $1,893
Dep. Fri 23 OctRet. Sun 15 Nov$1,893
MF,MU Return flights from $1,894
Dep. Fri 23 OctRet. Sun 15 Nov$1,894
Dep. Sun 13 DecRet. Sun 20 Dec$4,507
CA,EY Return flights from $1,898
Dep. Fri 23 OctRet. Sun 15 Nov$1,898
Dep. Mon 14 DecRet. Mon 21 Dec$5,341
CA,EYShow more Flights
Dep. Sat 19 JunRet. Sat 17 Jul$5,387
Dep. Sat 19 JunRet. Mon 19 Jul$20,158
AI,MF Return flights from $1,904
Dep. Fri 23 OctRet. Sun 15 Nov$1,904
Dep. Sun 13 DecRet. Sun 20 Dec$4,442
CA,TK Return flights from $1,936
Dep. Fri 23 OctRet. Sun 15 Nov$1,936
Dep. Mon 14 DecRet. Mon 21 Dec$4,297
AI,CZ Return flights from $1,950
Dep. Fri 23 OctRet. Sun 15 Nov$1,950
Dep. Sat 19 JunRet. Sat 17 Jul$2,890
AI,CZShow more Flights
Dep. Mon 14 DecRet. Mon 21 Dec$3,421
Dep. Sun 13 DecRet. Sun 20 Dec$3,871
MF,TK Return flights from $1,956
Dep. Fri 23 OctRet. Sun 15 Nov$1,956

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 New Zealand 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.

Oct 2026
$1,815
Nov 2026
$1,459
Mar 2027
$1,921
Apr 2027
$2,000

The cheapest month to fly to London - Heathrow is November 2026, with return fares from $1,459 — 27% cheaper than the most expensive month (April 2027, from $2,000).

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 $1,459. April is the most expensive month, with the cheapest return fares around $2,000.

Across the year, return fares to London - Heathrow average around $1,799. If you can travel in the off-peak months of November, October and March, you'll generally pay up to 19% less than the yearly average.


Cheapest Sydney to London - Heathrow Return Prices

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

October 2026
$1,815
November 2026
$1,459
March 2027
$1,921
April 2027
$2,000

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.

How does I Want That Flight find me the best Sydney to London - Heathrow flights?

Once you punch your details into our search tool, we unlock all kinds of handy tricks to map out your journey. We’ll map out the most budget-friendly calendar dates and takeoff slots, and let you slice and dice the data until you pinpoint the exact itinerary that works for you.

I'm still in the planning phase. Can you ping me if Sydney to London - Heathrow fares drop?

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.

Sign up to I Know The Pilot for all the latest flight deals

Join 300,000+ Australians getting the best airfares delivered to their mailbox

As seen in:
7 News Today Show News Com Au The Guardian Daily Mail Mama Mia