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Cheap flights from Cairns to London Heathrow Airport from £491

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — LHR
12 Jun — 19 Jun1
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
Explore the most affordable flight options available from Cairns to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 May 2026.

Thu 4/609:10
CNS
-
LHR
2 stops66h 30m
Multiple Airlines
Tue 16/621:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Deal found 11/5£979
Sat 6/610:15
CNS
-
LHR
2 stops29h 45m
Multiple Airlines
Mon 22/609:30
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Deal found 9/5£982
Wed 14/1018:15
CNS
-
LHR
1 stop30h 30m
Singapore Airlines
Wed 11/1121:45
LHR
-
CNS
1 stop33h 35m
Singapore Airlines
Deal found 8/5£988
Wed 14/1018:15
CNS
-
LHR
1 stop30h 30m
Singapore Airlines
Thu 5/1121:45
LHR
-
CNS
1 stop57h 35m
Singapore Airlines
Deal found 8/5£989
Thu 30/715:35
CNS
-
LHR
2 stops30h 10m
Multiple Airlines
Fri 21/821:45
LHR
-
CNS
2 stops30h 55m
Multiple Airlines
Deal found 9/5£992
Fri 9/1018:15
CNS
-
LHR
1 stop30h 30m
Singapore Airlines
Thu 5/1110:40
LHR
-
CNS
1 stop20h 40m
Singapore Airlines
Deal found 10/5£1,007
Fri 9/1018:15
CNS
-
LHR
1 stop30h 30m
Singapore Airlines
Fri 6/1110:40
LHR
-
CNS
1 stop44h 40m
Singapore Airlines
Deal found 8/5£1,032
Mon 15/621:15
CNS
-
LHR
2 stops42h 45m
Multiple Airlines
Mon 24/809:30
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Deal found 11/5£1,049
Wed 17/606:45
CNS
-
LHR
2 stops33h 15m
Multiple Airlines
Fri 3/709:30
LHR
-
CNS
2 stops28h 10m
Multiple Airlines
Deal found 12/5£1,053
Mon 8/621:10
CNS
-
LHR
2 stops54h 30m
Multiple Airlines
Fri 19/621:20
LHR
-
CNS
2 stops50h 10m
Multiple Airlines
Deal found 10/5£1,089

Find flight deals from Cairns to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Cairns (CNS) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 May 2026.

Round-trip from

£979

One-way from

£491

Popular in

July

Cheapest in

February

Average price

£815
4/6-16/6
  • 4/6-16/6
  • 4 total stops
  • 105h 10m total
  • Cairns to London
Search Deals
1/6
  • 1/6
  • 2 total stops
  • 54h 00m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£180 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cairns to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 May 2026.
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
Fastest return journey

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 9/10

10:00-06:35

2 stops29h 35m

London Heathrow

Thu 5/11

20:10-14:10

2 stops32h 00m

£1,211

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 9/7

06:00-16:10

2 stops43h 10m

London Heathrow

Thu 23/7

16:50-16:15

2 stops38h 25m

£1,226

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/10

06:00-06:35

3 stops33h 35m

London Heathrow

Thu 5/11

20:10-14:10

2 stops32h 00m

£1,264

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/10

06:00-06:35

3 stops33h 35m

London Heathrow

Wed 11/11

20:10-11:05

2 stops28h 55m

£1,264

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 17/10

15:45-06:35

2 stops47h 50m

London Heathrow

Thu 12/11

20:10-16:15

1 stop34h 05m

£1,421

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 15/6

13:40-14:10

2 stops33h 30m

London Heathrow

Mon 24/8

19:25-11:25

2 stops31h 00m

£1,439

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 1/9

19:10-16:55

2 stops54h 45m

London Heathrow

Sat 24/10

14:25-08:30

3 stops33h 05m

£1,549

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 24/6

16:55-14:10

2 stops30h 15m

London Heathrow

Wed 8/7

15:05-09:50

2 stops33h 45m

£1,639

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 23/6

21:00-14:10

2 stops50h 10m

London Heathrow

Thu 9/7

18:55-09:50

2 stops53h 55m

£1,653

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 2/6

21:40-18:40

2 stops30h 00m

London Heathrow

Wed 17/6

20:50-15:00

3 stops33h 10m

£1,703

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 17 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Cairns to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Cairns to London Heathrow Airport (average of £761). Flying from Cairns to London Heathrow Airport in July is currently the most expensive (average of £1,682). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Related info for your journey

Find useful and relevant information for your journey from Cairns to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

  • What is the cheapest month to book a flight from Cairns to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Cairns to London Heathrow Airport (average of £761). Flying from Cairns to London Heathrow Airport in July is currently the most expensive (average of £1,682). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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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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