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Cheap flights from Cairns to London Heathrow Airport from $1,317

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — LHR
5 Mar — 12 Mar1
1 adult

The best prices from Cairns to London Heathrow are usually found in October or February, booked 75 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 28 February 2025.

Round-trip from

$1,805

One-way from

$1,317

Popular in

December

Cheapest in

October

Average price

$1,719
Singapore Airlines
  • Singapore Airlines
  • 25/5-22/6
  • 2 total stops
  • 77h 05m total
  • Cairns to London
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2/5
  • 2/5
  • 2 total stops
  • 56h 40m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($308 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($144 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 28 February 2025.

Mon 17/318:35CNS - LHR
1 stop55h 00mSingapore Airlines
Thu 17/409:25LHR - CNS
1 stop22h 35mSingapore Airlines
Deal found 28/2$1,792
Thu 1/519:00CNS - LHR
2 stops56h 40mMultiple Airlines
Thu 29/521:20LHR - CNS
2 stops35h 55mMultiple Airlines
Deal found 28/2$2,031
Mon 17/306:00CNS - LHR
3 stops34h 15mQantas Airways
Thu 17/420:50LHR - CNS
2 stops28h 40mQantas Airways
Deal found 27/2$2,227
Wed 9/418:40CNS - LHR
2 stops30h 30mEmirates
Tue 22/416:50LHR - CNS
2 stops33h 45mEmirates
Deal found 28/2$2,240
Sat 21/609:00CNS - LHR
3 stops44h 55mKLM
Thu 17/717:10LHR - CNS
3 stops27h 50mKLM
Deal found 27/2$4,277
Sun 11/511:40CNS - LHR
2 stops36h 30mFinnair
Sat 31/507:30LHR - CNS
2 stops35h 55mFinnair
Deal found 28/2$6,949
Mon 8/1218:35CNS - LHR
2 stops23h 30mSWISS
Mon 5/120:05LHR - CNS
3 stops35h 15mSWISS
Deal found 28/2$8,938
Thu 8/513:40CNS - LHR
2 stops49h 50mBritish Airways
Mon 2/619:35LHR - CNS
2 stops32h 20mBritish Airways
Deal found 28/2$9,612
Sun 7/1218:35CNS - LHR
2 stops33h 10mLufthansa
Thu 8/106:30LHR - CNS
2 stops24h 50mLufthansa
Deal found 28/2$9,697
Tue 9/1211:45CNS - LHR
2 stops36h 20mQatar Airways
Sun 4/108:35LHR - CNS
2 stops28h 40mQatar Airways
Deal found 28/2$12,101

Find flights from Cairns to Heathrow within your budget

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 28 February 2025.

Fly from

Cairns

Fly to

Heathrow

Route

Depart

Return

Price

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 25/5

18:15-15:45

1 stop54h 30m

London Heathrow

Sun 22/6

09:25-17:00

1 stop22h 35m

$1,805

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 1/5

19:00-18:40

2 stops56h 40m

London Heathrow

Thu 29/5

21:20-18:15

2 stops35h 55m

$2,031

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 17/3

06:00-06:15

3 stops34h 15m

London Heathrow

Thu 17/4

20:50-10:30

2 stops28h 40m

$2,214

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 9/4

18:40-16:10

2 stops30h 30m

London Heathrow

Tue 22/4

16:50-11:35

2 stops33h 45m

$2,240

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 21/6

09:00-20:55

3 stops44h 55m

London Heathrow

Thu 17/7

17:10-06:00

3 stops27h 50m

$4,277

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 11/5

11:40-15:10

2 stops36h 30m

London Heathrow

Thu 29/5

18:10-04:25

2 stops49h 15m

$6,949

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 8/5

13:40-06:30

2 stops49h 50m

London Heathrow

Mon 2/6

19:35-12:55

2 stops32h 20m

$9,612

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 11/5

18:15-16:25

3 stops31h 10m

London Heathrow

Sun 1/6

20:05-17:00

2 stops59h 55m

$9,748

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 2/5

19:00-18:40

2 stops56h 40m

$1,317

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 2/5

18:15-15:45

1 stop30h 30m

$1,362

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 11 results
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
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.

Travel insights for flights from Cairns to Heathrow

Get recent, data-driven insights about flights from Cairns to Heathrow including ideal travel times, pricing trends, and more.

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 25 February 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 28 February 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 28 February 2025.
Emirates
8.1
Very Good
3,250 reviews
Check prices

Comfort

8.0

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,June 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates
8.1
Very Good
3,250 reviews
Emirates
8.1
Very Good
3,250 reviews
Check prices

Comfort

8.0

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,June 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Singapore Airlines
8.1
Very Good
1,288 reviews
Emirates
8.1
Very Good
3,250 reviews
Check prices

Comfort

8.0

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,June 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

KLM
7.8
Good
1,326 reviews
Emirates
8.1
Very Good
3,250 reviews
Check prices

Comfort

8.0

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,June 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Finnair
7.6
Good
1,273 reviews
Emirates
8.1
Very Good
3,250 reviews
Check prices

Comfort

8.0

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,June 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

SWISS
7.5
Good
1,565 reviews
Emirates
8.1
Very Good
3,250 reviews
Check prices

Comfort

8.0

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,June 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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 $1,805. Other airlines that can offer you cheap pricing are Qantas Airways, from $2,227, and Emirates, from $2,240. Singapore Airlines is priced at 19% 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.

  • 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
Gatwick
Salisbury
Hounslow
Southall
Chatham
Dover
Dorking
Canterbury
Andover
Cirencester
Hayes
Horley

Browse thousands of different options on Cheapflights for your next trip

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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 28 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,439Average$2,012FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$2,028Average$2,553FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$2,075Average$3,173FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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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.

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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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