Find flights
When to book
Airlines
FAQs

Cheap flights from Cairns to London Heathrow Airport from $899

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — LHR
10 Jun — 17 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 11 May 2026.

Mon 2/1118:20
CNS
-
LHR
1 stop31h 00m
Singapore Airlines
Wed 4/1110:40
LHR
-
CNS
1 stop44h 40m
Singapore Airlines
Deal found 6/5$1,708
Fri 7/813:30
CNS
-
LHR
2 stops39h 55m
Multiple Airlines
Sun 23/822:40
LHR
-
CNS
2 stops38h 45m
Multiple Airlines
Deal found 8/5$1,828
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$1,829
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$1,835
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$1,847
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$1,848
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$1,854
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$1,882
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$1,928
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$1,960

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 11 May 2026.

Round-trip from

$1,708

One-way from

$899

Popular in

July

Cheapest in

February

Average price

$1,523
Singapore Airlines
  • Singapore Airlines
  • 2/11-4/11
  • 2 total stops
  • 75h 40m total
  • Cairns to London
Search Deals
12/7
  • 12/7
  • 3 total stops
  • 55h 45m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($629 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($127 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 647,157 searches. Data last updated 11 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

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

$2,262

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 10/8

17:25-18:40

2 stops34h 15m

London Heathrow

Sat 22/8

20:40-16:40

2 stops35h 00m

$2,364

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 8/8

15:45-16:10

2 stops33h 25m

London Heathrow

Sat 22/8

22:15-19:30

2 stops36h 15m

$2,449

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 15/6

13:40-13:15

2 stops32h 35m

London Heathrow

Mon 24/8

15:05-13:00

2 stops36h 55m

$2,537

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 10/8

06:00-12:25

2 stops39h 25m

London Heathrow

Sun 23/8

20:50-10:00

2 stops28h 10m

$2,657

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 16/7

06:00-06:35

3 stops33h 35m

London Heathrow

Mon 3/8

16:50-19:30

2 stops41h 40m

$2,693
Fastest return journey

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 22/6

18:15-19:30

1 stop34h 15m

London Heathrow

Mon 24/8

11:20-17:00

1 stop20h 40m

$3,133

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Fri 4/9

18:15-19:30

1 stop58h 15m

London Heathrow

Wed 30/9

22:05-17:00

1 stop33h 55m

$3,984

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 23/8

06:00-06:35

3 stops33h 35m

London Heathrow

Mon 21/9

20:50-15:00

3 stops33h 10m

$4,054

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 15/6

15:45-12:25

2 stops29h 40m

London Heathrow

Mon 24/8

20:50-15:00

3 stops33h 10m

$4,232

Flights are sorted by cheapest return flights first.

Deals found on 10/5

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
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 $1,422). Flying from Cairns to London Heathrow Airport in July is currently the most expensive (average of $3,144). 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?

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 11 May 2026.
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
8.2
Very Good
1,510 reviews
Check prices

Food

7.8

Entertainment

8.0

Boarding

8.3

Comfort

8.0

Crew

8.6

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Singapore Airlines
8.2
Very Good
1,510 reviews
Singapore Airlines
8.2
Very Good
1,510 reviews
Check prices

Food

7.8

Entertainment

8.0

Boarding

8.3

Comfort

8.0

Crew

8.6

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Qantas Airways
7.5
Good
1,034 reviews
Singapore Airlines
8.2
Very Good
1,510 reviews
Check prices

Food

7.8

Entertainment

8.0

Boarding

8.3

Comfort

8.0

Crew

8.6

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

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 Emirates and Qatar Airways fly from Cairns to London Heathrow Airport in about 32h 35m. The time it takes to get you to your destination can typically vary by up to 1h 40m. 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 $1,318. Another airline that can offer you cheap pricing is Qantas Airways. Singapore Airlines is priced at 38% 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 $1,422). Flying from Cairns to London Heathrow Airport in July is currently the most expensive (average of $3,144). 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
Hounslow
Kingston upon Thames
Salisbury
Horsham
Chatham
Dover
Aylesbury
Luton
Braintree
Gatwick
Chertsey

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 11 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,318Average$1,763FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$2,055Average$2,404FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.