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Cheap flights from Cairns to London Heathrow Airport from $771

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — LHR
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Round-trip from

$1,805

One-way from

$771

Popular in

June

Cheapest in

February

Average price

$2,294
Singapore Airlines
  • Singapore Airlines
  • 14/1-28/2
  • 2 total stops
  • 65h 30m total
  • Cairns to London
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Cathay Pacific
  • Cathay Pacific
  • 15/1
  • 1 total stop
  • 37h 35m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($310 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($146 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 14 November 2025.

Mon 1/1209:45CNS - LHR
3 stops41h 45mMultiple Airlines
Sun 7/1221:00LHR - CNS
2 stops49h 20mMultiple Airlines
Deal found 12/11$2,095
Mon 1/1211:35CNS - LHR
2 stops61h 25mCathay Pacific
Sun 7/1216:50LHR - CNS
1 stop31h 05mCathay Pacific
Deal found 12/11$2,133
Thu 13/1111:35CNS - LHR
2 stops37h 25mMultiple Airlines
Mon 17/1111:00LHR - CNS
2 stops37h 45mMultiple Airlines
Deal found 12/11$2,240
Fri 14/1123:55CNS - LHR
2 stops40h 30mQatar Airways
Mon 17/1108:35LHR - CNS
2 stops28h 30mQatar Airways
Deal found 12/11$2,362
Fri 14/1109:20CNS - LHR
2 stops30h 55mQantas Airways
Mon 17/1120:10LHR - CNS
3 stops31h 55mQantas Airways
Deal found 12/11$2,490
Thu 27/1109:45CNS - LHR
3 stops34h 10mMultiple Airlines
Thu 11/1206:35LHR - CNS
2 stops37h 10mMultiple Airlines
Deal found 13/11$2,590
Fri 14/1118:35CNS - LHR
1 stop58h 35mSingapore Airlines
Mon 17/1110:40LHR - CNS
1 stop44h 40mSingapore Airlines
Deal found 12/11$2,713

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 14 November 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

Wed 14/1

18:35-15:20

1 stop30h 45m

London Heathrow

Sat 28/2

20:35-17:20

1 stop34h 45m

$1,805

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 1/12

09:45-17:30

3 stops41h 45m

London Heathrow

Sun 7/12

21:00-08:20

2 stops49h 20m

$2,095

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

09:45-17:30

2 stops41h 45m

London Heathrow

Sat 28/2

21:00-08:20

2 stops49h 20m

$2,199

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

09:45-06:15

2 stops30h 30m

London Heathrow

Sat 28/2

20:10-14:05

3 stops31h 55m

$2,350

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 14/1

17:35-08:30

3 stops48h 55m

London Heathrow

Sat 28/2

11:10-14:55

3 stops41h 45m

$2,577

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 27/11

09:45-09:55

3 stops34h 10m

London Heathrow

Thu 11/12

06:35-05:45

2 stops37h 10m

$2,590

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 15/1

09:00-15:55

2 stops40h 55m

$920

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 15/12

09:45-17:30

3 stops41h 45m

$1,172

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Tue 23/12

06:40-16:20

2 stops43h 40m

$1,358

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 19/11

18:35-07:40

1 stop23h 05m

$1,395

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 12 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.

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 $1,427). Flying from Cairns to London Heathrow Airport in December is currently the most expensive (average of $2,306). 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 14 November 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Cairns to London Heathrow Airport by exploring options for tickets in the afternoon.

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 14 November 2025.
See what other customers who have flown with Singapore Airlines and Qantas Airways 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
8.1
Very Good
1,401 reviews
Check prices

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Singapore Airlines
8.1
Very Good
1,401 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Qantas Airways
7.5
Good
934 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

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 2 different airlines.

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

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

  • 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 $1,480. Another airline that can offer you cheap pricing is Qantas Airways. Singapore Airlines is priced at 32% 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, February is the cheapest month in which you can book a flight from Cairns to London Heathrow Airport (average of $1,427). Flying from Cairns to London Heathrow Airport in December is currently the most expensive (average of $2,306). 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
Kingston upon Thames
Salisbury
Hounslow
Horsham
Southall
Chatham
Dorking
Dover
Braintree
Chertsey

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Cairns to Heathrow

Discover the top 2 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,480Average$1,985FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$2,054Average$2,637FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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