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Cheap flights from Cairns to London Heathrow Airport from $789

CNS — LHR
2 Nov — 9 Nov1
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

Sun 15/1114:40 -
2 stops38h 40m
Sun 22/1108:45 -
2 stops37h 35m
Deal found 30/9$1,731
Mon 9/1109:45 -
2 stops41h 45m
Mon 23/1121:00 -
2 stops34h 15m
Deal found 1/10$1,795
Mon 9/1106:00 -
2 stops45h 30m
Thu 12/1121:00 -
2 stops34h 15m
Deal found 28/9$1,826
Sat 14/1106:00 -
2 stops45h 30m
Sat 21/1121:00 -
2 stops49h 30m
Deal found 30/9$1,833
Mon 30/1118:05 -
2 stops57h 25m
Wed 30/1221:00 -
2 stops50h 00m
Deal found 2/10$1,856
Fri 13/1118:40 -
1 stop34h 30m
Fri 20/1110:40 -
1 stop44h 35m
Deal found 29/9$1,915
Mon 9/1118:40 -
1 stop30h 40m
Thu 12/1121:45 -
1 stop57h 30m
Deal found 28/9$1,936
Mon 19/1009:15 -
2 stops67h 05m
Mon 16/1121:30 -
2 stops34h 15m
Deal found 29/9$1,941
Sun 8/1119:50 -
2 stops49h 40m
Sun 22/1121:05 -
2 stops51h 10m
Deal found 30/9$1,984

Find flight deals from Cairns to Heathrow

Round-trip from

$1,731

One-way from

$789

Popular in

July

Cheapest in

October

Average price

$1,587
15/11-22/11
  • 15/11-22/11
  • 4 total stops
  • 76h 15m total
  • Cairns to London
Search Deals
3/3-31/12
  • 3/3-31/12
  • 2 total stops
  • 41h 45m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($509 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($116 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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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

Wed 23/12

18:05-06:40

2 stops46h 35m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$919

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Thu 15/10

06:00-19:00

3 stops46h 00m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$930

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Thu 4/3

10:55-20:30

2 stops43h 35m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,015

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Fri 5/3

11:45-14:00

2 stops36h 15m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,215

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 10/10

06:00-19:20

3 stops46h 20m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,337

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Sat 10/10

06:00-12:25

2 stops39h 25m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,456
Fastest return journey

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Mon 1/3

06:00-06:15

3 stops34h 15m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,568

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Wed 24/2

06:00-08:00

2 stops36h 00m

London Heathrow

Sun 28/2

09:25-23:05

2 stops27h 40m

$2,013

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

$2,147

CairnsLondon

CNS Cairns - LHR London Heathrow

CNSLHR

Cairns

Fri 26/2

15:40-06:15

2 stops48h 35m

London Heathrow

Sun 28/2

11:30-10:55

2 stops37h 25m

$2,270

Flights are sorted by cheapest return flights first.

Deals found on 3/10

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
1,619 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Crew

8.7

Entertainment

8.1

Boarding

8.3

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
1,619 reviews
Singapore Airlines
8.2
Very Good
1,619 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Crew

8.7

Entertainment

8.1

Boarding

8.3

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 Qantas Airways fly from Cairns to London Heathrow Airport in about 32h 10m. The time it takes to get you to your destination can typically vary by up to 16h 25m. 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 $1,484. 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
Milton Keynes
Hounslow
Salisbury
St. Albans
Luton
Horsham
Brentford
Dover
Aylesbury
Dorking
Guildford
Stansted
Braintree
Gatwick
Kingston upon Thames
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$1,484Average$1,921FlexibilityNo 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.

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