Find flights
When to book
Airlines
FAQs

Cheap flights from Cairns to London Heathrow Airport from $823

CNS — LHR
7 Oct — 14 Oct1
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 21/1009:15 -
2 stops42h 25m
Wed 28/1021:00 -
2 stops50h 00m
Deal found 6/9$1,754
Tue 13/1006:00 -
2 stops45h 40m
Tue 20/1021:20 -
2 stops38h 40m
Deal found 4/9$1,805
Mon 9/1118:40 -
1 stop30h 40m
Fri 27/1110:40 -
1 stop44h 35m
Deal found 6/9$1,829
Tue 27/1012:05 -
2 stops63h 25m
Tue 10/1121:00 -
2 stops39h 10m
Deal found 4/9$1,841
Mon 9/1106:40 -
2 stops44h 50m
Fri 27/1121:00 -
2 stops38h 15m
Deal found 6/9$1,846
Mon 12/1006:00 -
2 stops45h 40m
Fri 30/1021:00 -
2 stops38h 15m
Deal found 5/9$1,852
Tue 6/1006:00 -
2 stops45h 40m
Sun 18/1021:20 -
2 stops50h 10m
Deal found 7/9$1,880
Wed 18/1118:40 -
1 stop34h 30m
Wed 10/220:35 -
1 stop34h 40m
Deal found 6/9$1,915
Sun 18/1018:55 -
2 stops30h 15m
Wed 11/1119:00 -
2 stops29h 55m
Deal found 3/9$2,019

Find flight deals from Cairns to Heathrow

Round-trip from

$1,754

One-way from

$823

Popular in

July

Cheapest in

October

Average price

$2,817
21/10-28/10
  • 21/10-28/10
  • 4 total stops
  • 92h 25m total
  • Cairns to London
Search Deals
12/11-31/12
  • 12/11-31/12
  • 2 total stops
  • 57h 55m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($477 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($108 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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 12/11

17:35-17:30

2 stops57h 55m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$823

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 6/12

09:45-18:35

3 stops42h 50m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,146

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 30/11

06:40-12:05

2 stops39h 25m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,204
Fastest return journey

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Fri 4/12

19:15-18:35

2 stops33h 20m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,383

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Fri 26/2

09:15-07:20

2 stops32h 05m

London Heathrow

Sun 28/2

08:05-23:05

2 stops29h 00m

$1,980

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sun 18/10

18:55-16:10

2 stops30h 15m

London Heathrow

Wed 11/11

19:00-10:55

2 stops29h 55m

$2,020

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 18/11

15:40-13:50

2 stops32h 10m

London Heathrow

Sun 24/1

22:00-14:55

2 stops30h 55m

$2,036

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 18/11

17:40-16:10

2 stops32h 30m

London Heathrow

Wed 10/2

20:20-11:50

2 stops29h 30m

$2,043

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 30/11

06:50-06:15

1 stop33h 25m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$2,045

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 18/11

18:20-05:55

1 stop45h 35m

London Heathrow

Sun 24/1

21:45-17:15

1 stop57h 30m

$2,088

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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

Reviews of airlines servicing Heathrow

See what other customers who have flown with Singapore Airlines from Cairns to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,598 reviews
Check prices

Comfort

8.0

Overall

8.2

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Singapore Airlines
8.2
Very Good
1,598 reviews
Singapore Airlines
8.2
Very Good
1,598 reviews
Check prices

Comfort

8.0

Overall

8.2

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Related info for your journey

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

    Located just 4.4 km from the city centre, Cairns is the airport most travellers will use when flying to London Heathrow from Cairns. Booking flights from Cairns (CNS) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 1 airline.

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

    Airlines like Virgin Australia, Emirates, and Singapore Airlines fly from Cairns to London Heathrow Airport in about 30h 15m. The time it takes to get you to your destination can typically vary by up to 15h 20m. Airlines will cover a distance of 15142 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Cairns to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Cairns to London Heathrow Airport round-trip from $1,430. Singapore Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • 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
Kingston upon Thames
Salisbury
St. Albans
Luton
Horsham
Brentford
Dover
Aylesbury
Dorking
Guildford
Stansted
Braintree
Gatwick
Uxbridge
Chertsey
Twickenham
Orpington
Teddington

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Cairns to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,430Average$1,852FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Cairns today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cairns to Heathrow.

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

Certainly. Search results for flights to Heathrow from Cairns shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Cairns to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.