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Cheap flights from Cairns to London Heathrow Airport from $850

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — LHR
28 May — 4 Jun1
1 adult

Cheapflights Tip: The best prices from Cairns to London Heathrow are usually found in October or February, booked 77 days in advance, depart on a Sunday or Friday and return on a Monday

Cheap 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 23 May 2025.

Round-trip from

$2,060

One-way from

$850

Popular in

December

Cheapest in

October

Average price

$1,920
22/6-29/6
  • 22/6-29/6
  • 4 total stops
  • 81h 10m total
  • Cairns to London
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13/10
  • 13/10
  • 2 total stops
  • 43h 35m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($342 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($131 potential savings vs. average return price).
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Average for round-trip flights in May 2025
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Find flight deals from Cairns to Heathrow

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 23 May 2025.

Sun 22/611:00CNS - LHR
2 stops40h 40mMultiple Airlines
Sun 29/621:20LHR - CNS
2 stops40h 30mMultiple Airlines
Deal found 23/5$2,060
Tue 3/613:40CNS - LHR
2 stops61h 35mCathay Pacific
Fri 6/622:15LHR - CNS
2 stops53h 40mCathay Pacific
Deal found 22/5$2,112
Sun 25/518:15CNS - LHR
1 stop30h 30mSingapore Airlines
Sun 22/609:25LHR - CNS
1 stop22h 35mSingapore Airlines
Deal found 22/5$2,233
Sat 30/812:10CNS - LHR
2 stops32h 20mAir India
Sun 21/909:45LHR - CNS
2 stops38h 55mAir India
Deal found 22/5$2,340
Tue 3/606:00CNS - LHR
3 stops33h 35mQantas Airways
Fri 6/620:50LHR - CNS
2 stops27h 25mQantas Airways
Deal found 22/5$2,393
Sun 6/718:40CNS - LHR
2 stops30h 30mEmirates
Sun 13/716:50LHR - CNS
2 stops35h 05mEmirates
Deal found 21/5$3,487
Thu 26/609:00CNS - LHR
3 stops40h 15mKLM
Thu 17/717:10LHR - CNS
3 stops27h 50mKLM
Deal found 23/5$3,848
Thu 26/613:40CNS - LHR
2 stops38h 20mChina Southern
Thu 17/722:10LHR - CNS
2 stops30h 35mChina Southern
Deal found 23/5$3,872
Sun 13/719:15CNS - LHR
3 stops44h 20mAir Canada
Tue 29/712:05LHR - CNS
3 stops42h 50mAir Canada
Deal found 22/5$4,323
Sun 13/718:15CNS - LHR
3 stops27h 45mSWISS
Tue 29/720:05LHR - CNS
3 stops59h 55mSWISS
Deal found 22/5$4,746

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 647,157 searches. Data last updated 23 May 2025.
Use the filters below to find and compare flights from Cairns to London Heathrow Airport that are best for you.

Fly from

Cairns

Fly to

Heathrow

Route

Depart

Return

Price

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 22/6

11:00-18:40

2 stops40h 40m

London Heathrow

Sun 29/6

21:20-22:50

2 stops40h 30m

$2,060

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 3/6

13:40-18:15

2 stops61h 35m

London Heathrow

Fri 6/6

22:15-12:55

2 stops53h 40m

$2,112

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 3/8

18:15-19:30

1 stop34h 15m

London Heathrow

Mon 18/8

20:35-17:00

1 stop35h 25m

$2,317

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 30/8

12:10-11:30

2 stops32h 20m

London Heathrow

Sun 21/9

09:45-09:40

2 stops38h 55m

$2,340

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 3/6

06:00-06:35

3 stops33h 35m

London Heathrow

Fri 6/6

20:50-09:15

2 stops27h 25m

$2,393

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 6/7

18:40-16:10

2 stops30h 30m

London Heathrow

Sun 13/7

16:50-12:55

2 stops35h 05m

$3,487

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 26/6

09:00-16:15

3 stops40h 15m

London Heathrow

Thu 17/7

17:10-06:00

3 stops27h 50m

$3,848

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 26/6

13:40-19:00

2 stops38h 20m

London Heathrow

Thu 17/7

22:10-13:45

2 stops30h 35m

$3,872

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 13/7

19:15-06:35

3 stops44h 20m

London Heathrow

Tue 29/7

12:05-15:55

3 stops42h 50m

$4,323

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 13/7

18:15-13:00

3 stops27h 45m

London Heathrow

Tue 29/7

20:05-17:00

3 stops59h 55m

$4,746

Flights are sorted by cheapest return flights first.

Deals found on 22/5

Showing 1-10 of 15 results
1
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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

How far ahead should I book a flight from Cairns to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Cairns to Heathrow. Price data was last updated on 16 May 2025.

To ensure you get the cheapest price possible for a flight from Cairns to London Heathrow Airport, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Cairns to London Heathrow Airport (average of $1,037). Flying from Cairns to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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.

What is the cheapest time of day to fly from CNS to LHR?

Find hourly flight availability from Cairns to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 May 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 19% on flights from Cairns to London Heathrow Airport by exploring options for tickets in the afternoon.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 23 May 2025.
Get a feel of what it's like to fly with Singapore Airlines, Emirates and KLM from Cairns to London by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,298 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,298 reviews
Singapore Airlines
8.1
Very Good
1,298 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Emirates
8.0
Very Good
3,243 reviews
Singapore Airlines
8.1
Very Good
1,298 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
KLM
7.8
Good
1,346 reviews
Singapore Airlines
8.1
Very Good
1,298 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.5
Good
874 reviews
Singapore Airlines
8.1
Very Good
1,298 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qantas Airways
7.5
Good
842 reviews
Singapore Airlines
8.1
Very Good
1,298 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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?

    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 3 different airlines.

  • What are the cheapest airlines flying from Cairns to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Cairns to London Heathrow Airport round-trip from $2,112. Other airlines that can offer you cheap pricing are Singapore Airlines, from $2,317, and Air India, from $2,340. Cathay Pacific is priced at 4% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Cairns to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at $1,108. Cathay Pacific flights start at $1,348 while deals on Qantas Airways start at $1,824 one-way.

  • 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, October is the cheapest month in which you can book a flight from Cairns to London Heathrow Airport (average of $1,037). Flying from Cairns to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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 Cairns?

Book flights to Cairns if you plan to visit one of these locations
Salisbury
Hounslow
Southall
Chatham
Dover
Dorking
Canterbury
Andover
Chertsey

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Top 3 airlines flying from Cairns to Heathrow

Discover the top 3 airlines that operate flights from Cairns to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 23 May 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,406Average$1,980FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$1,973Average$2,273FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$2,026Average$3,099FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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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.

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