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Cheap flights from Cairns to London Heathrow Airport from £386

CNS — LHR
23 Sep — 30 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cairns to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Cairns to Heathrow

Wed 14/1009:15 -
2 stops42h 25m
Thu 3/1221:00 -
2 stops49h 20m
Deal found 22/8£927
Sat 17/1012:30 -
2 stops39h 10m
Mon 30/1121:00 -
2 stops49h 20m
Deal found 22/8£936
Thu 5/1106:00 -
2 stops45h 30m
Fri 13/1121:00 -
2 stops38h 15m
Deal found 23/8£941
Wed 18/1118:20 -
1 stop34h 50m
Wed 10/220:35 -
1 stop34h 40m
Deal found 19/8£1,000
Sun 18/1018:15 -
1 stop34h 15m
Fri 11/1206:00 -
2 stops36h 35m
Deal found 22/8£1,038
Mon 12/1018:15 -
1 stop34h 15m
Mon 26/1022:00 -
2 stops49h 00m
Deal found 21/8£1,043
Wed 18/1118:20 -
1 stop47h 20m
Sun 24/121:45 -
1 stop57h 30m
Deal found 19/8£1,054
Mon 12/1018:15 -
1 stop34h 15m
Mon 26/1020:35 -
1 stop34h 40m
Deal found 21/8£1,059

Find flight deals from Cairns to Heathrow

Round-trip from

£839

One-way from

£386

Popular in

July

Cheapest in

October

Average price

£1,040
Singapore Airlines
  • Singapore Airlines
  • 10/2-24/2
  • 2 total stops
  • 69h 30m total
  • Cairns to London
Search Deals
6/2
  • 6/2
  • 2 total stops
  • 45h 30m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£133 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Cairns to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Thu 22/10

06:00-14:25

2 stops41h 25m

London Heathrow

Thu 29/10

19:00-16:50

2 stops35h 50m

£1,101

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

06:00-06:35

3 stops33h 35m

London Heathrow

Wed 11/11

20:10-14:55

3 stops32h 45m

£1,207

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Thu 5/11

12:35-06:15

2 stops51h 40m

London Heathrow

Sun 15/11

20:10-11:50

2 stops29h 40m

£1,262

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 12/9

15:45-20:15

2 stops37h 30m

London Heathrow

Sat 26/9

22:15-22:45

2 stops39h 30m

£1,403

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 12/9

13:55-19:20

3 stops38h 25m

London Heathrow

Sat 26/9

21:35-08:40

3 stops50h 05m

£1,459
Fastest return journey

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Tue 22/12

17:40-16:10

2 stops32h 30m

London Heathrow

Thu 31/12

22:00-10:55

2 stops26h 55m

£1,521

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 23/12

17:40-16:10

2 stops32h 30m

London Heathrow

Wed 30/12

20:20-10:55

2 stops28h 35m

£1,521
Cheapest one-way

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 4/10

06:45-07:00

2 stops33h 15m

£585
Fastest single journey

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 30/9

18:15-08:00

1 stop22h 45m

£677

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 29/8

06:00-15:15

2 stops42h 15m

£917

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 14 resultsSorted by cheapest first
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Best time to book a flight from Cairns to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Cairns with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Cairns to London Heathrow Airport

How much does it cost for a return flight from Cairns to London Heathrow Airport?

Airfare is below average for this route at the moment.

Cairns to London Heathrow Airport flights typically cost between £1,077 and £1,349 in February.
The cheapest return price found within the last 5 days was £839 on Singapore Airlines (10 Feb–24 Feb).

Related info for your journey

  • What airport do you fly from for flights from Cairns to London Heathrow?

    Cairns (CNS), located 2.8 mi from the city center, is the airport you fly out of when you book flights from Cairns to London Heathrow. 0 airlines have flights from Cairns to London Heathrow on a regular basis. Booking flights from Cairns to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • How long is the flight from Cairns to London Heathrow Airport?

    There are many flights that can get you from Cairns to London Heathrow Airport in 33h 35m. Fly via Emirates or Qantas Airways to get the fastest option. Cairns and London Heathrow Airport are separated by a distance of 9409 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Cairns to Heathrow that include hotel bookings?

    Yes. In addition to deals on Cairns to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cairns to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cairns to Heathrow.

  • Can I find deals for business class flights from Cairns to Heathrow?

    Yes. Cheapflights offers flight deals from Cairns to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Northampton
Colchester
Eastbourne
Brentford
Barnet
Southall
Southend-on-Sea
Salisbury
Enfield
Kingston upon Thames
Watford

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Cairns to Heathrow?

Deals for Cairns to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Cairns to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Cairns by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Cairns to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Cairns to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Cairns to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Cairns to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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