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Cheap flights from Cairns to London Heathrow Airport from $692

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — LHR
8 Apr — 15 Apr1
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 9 March 2026.

Wed 22/411:00
CNS
-
LHR
2 stops39h 40m
Multiple Airlines
Wed 29/422:40
LHR
-
CNS
2 stops39h 00m
Multiple Airlines
Deal found 8/3$1,621
Sun 19/421:40
CNS
-
LHR
3 stops51h 20m
Multiple Airlines
Sun 26/418:30
LHR
-
CNS
3 stops58h 10m
Multiple Airlines
Deal found 5/3$1,830
Thu 19/306:00
CNS
-
LHR
2 stops39h 40m
Multiple Airlines
Sun 10/514:20
LHR
-
CNS
2 stops33h 20m
Multiple Airlines
Deal found 6/3$1,922
Thu 19/306:00
CNS
-
LHR
2 stops44h 10m
Emirates
Thu 7/516:50
LHR
-
CNS
2 stops37h 10m
Emirates
Deal found 6/3$1,938
Thu 16/415:35
CNS
-
LHR
2 stops60h 05m
Multiple Airlines
Thu 23/421:20
LHR
-
CNS
2 stops36h 55m
Multiple Airlines
Deal found 4/3$1,944
Tue 21/415:40
CNS
-
LHR
2 stops60h 00m
Multiple Airlines
Tue 28/421:20
LHR
-
CNS
2 stops40h 20m
Multiple Airlines
Deal found 6/3$1,945
Fri 17/407:00
CNS
-
LHR
2 stops43h 40m
Multiple Airlines
Fri 24/422:40
LHR
-
CNS
2 stops39h 00m
Multiple Airlines
Deal found 5/3$1,954
Wed 6/518:15
CNS
-
LHR
1 stop22h 45m
Singapore Airlines
Wed 13/522:05
LHR
-
CNS
1 stop33h 55m
Singapore Airlines
Deal found 8/3$1,989
Mon 11/509:20
CNS
-
LHR
2 stops30h 05m
Virgin Australia
Thu 14/508:25
LHR
-
CNS
2 stops29h 55m
Virgin Australia
Deal found 6/3$2,009
Wed 6/509:20
CNS
-
LHR
2 stops30h 05m
Virgin Australia
Wed 13/515:35
LHR
-
CNS
2 stops34h 35m
Virgin Australia
Deal found 8/3$2,025

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 9 March 2026.

Round-trip from

$1,621

One-way from

$692

Popular in

January

Cheapest in

February

Average price

$1,830
22/4-29/4
  • 22/4-29/4
  • 4 total stops
  • 78h 40m total
  • Cairns to London
Search Deals
10/6
  • 10/6
  • 2 total stops
  • 45h 40m total
  • Cairns to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($179 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 9 March 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

Thu 19/3

06:00-16:10

2 stops44h 10m

London Heathrow

Thu 7/5

16:50-15:00

2 stops37h 10m

$1,938

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 11/5

09:20-06:25

2 stops30h 05m

London Heathrow

Thu 14/5

08:25-23:20

2 stops29h 55m

$2,009

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 7/6

18:15-15:45

1 stop54h 30m

London Heathrow

Tue 14/7

11:20-17:00

1 stop20h 40m

$2,085
Fastest return journey

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 11/5

18:15-15:45

1 stop30h 30m

London Heathrow

Thu 14/5

11:20-17:00

1 stop20h 40m

$2,156

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 7/6

16:55-16:30

2 stops32h 35m

London Heathrow

Tue 14/7

21:10-18:25

2 stops36h 15m

$2,160
Cheapest one-way

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Wed 10/6

06:00-18:40

2 stops45h 40m

$692

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sun 17/5

19:00-17:45

3 stops55h 45m

$834

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Thu 19/3

11:35-20:00

2 stops42h 25m

$1,034

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Sat 14/3

11:35-16:10

2 stops38h 35m

$1,039

CairnsLondon

CNS - LHR

CNSLHR

Cairns

Mon 30/3

15:35-13:15

2 stops30h 40m

$1,044

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 16 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 $1,330). Flying from Cairns to London Heathrow Airport in January is currently the most expensive (average of $2,911). 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.

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 9 March 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
1,471 reviews
Check prices

Boarding

8.3

Crew

8.6

Overall

8.2

Entertainment

8.0

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SIN - JNB

Cabin crew in business class was just so amazing, friendly, caring and professional
Singapore Airlines
8.2
Very Good
1,471 reviews
Singapore Airlines
8.2
Very Good
1,471 reviews
Check prices

Boarding

8.3

Crew

8.6

Overall

8.2

Entertainment

8.0

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SIN - JNB

Cabin crew in business class was just so amazing, friendly, caring and professional
Qantas Airways
7.5
Good
1,002 reviews
Singapore Airlines
8.2
Very Good
1,471 reviews
Check prices

Boarding

8.3

Crew

8.6

Overall

8.2

Entertainment

8.0

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SIN - JNB

Cabin crew in business class was just so amazing, friendly, caring and professional

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, Virgin Australia, and Singapore Airlines fly from Cairns to London Heathrow Airport in about 30h 05m. The time it takes to get you to your destination can typically vary by up to 24h 25m. 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 $1,354. Another airline that can offer you cheap pricing is Qantas Airways. Singapore Airlines is priced at 36% 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 $1,330). Flying from Cairns to London Heathrow Airport in January is currently the most expensive (average of $2,911). 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
Southall
Chatham
Aylesbury
Dover
Braintree
Gatwick
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 9 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,354Average$1,938FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$2,120Average$2,471FlexibilityNo 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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