CNS - LHR

$668 Find Cheap Flights from Cairns to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Cairns to Heathrow departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Cairns to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Cairns to London, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Cairns to Heathrow (CNS-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Cairns to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Cairns to Heathrow

Wed, 29 Oct - Wed, 5 Nov
 Logo
06:00 - 17:30CNS-LHR
45h 30m2 stops
 Logo
21:00 - 09:20LHR-CNS
50h 20m2 stops
$1,780
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Singapore Airlines Logo
18:35 - 19:10CNS-LHR
34h 35m1 stop
Singapore Airlines Logo
09:10 - 17:20LHR-CNS
22h 10m1 stop
$1,816Singapore Airlines
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Lufthansa Logo
18:35 - 08:45CNS-LHR
24h 10m2 stops
Lufthansa Logo
17:50 - 17:20LHR-CNS
37h 30m2 stops
$1,906Lufthansa
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Lufthansa Logo
18:35 - 08:45CNS-LHR
24h 10m2 stops
Lufthansa Logo
17:50 - 17:20LHR-CNS
37h 30m2 stops
$1,921Lufthansa
Find Deal
Tue, 10 Mar - Sat, 14 Mar
Cathay Pacific Logo
12:35 - 17:20CNS-LHR
38h 45m2 stops
Cathay Pacific Logo
20:15 - 16:15LHR-CNS
34h 00m2 stops
$2,044Cathay Pacific
Find Deal
Tue, 10 Mar - Sat, 14 Mar
Cathay Pacific Logo
12:35 - 15:00CNS-LHR
36h 25m2 stops
Cathay Pacific Logo
17:50 - 16:15LHR-CNS
36h 25m2 stops
$2,045Cathay Pacific
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Qantas Airways Logo
09:45 - 06:15CNS-LHR
30h 30m2 stops
Qantas Airways Logo
20:10 - 14:05LHR-CNS
31h 55m3 stops
$2,358Qantas Airways
Find Deal
Wed, 14 Jan - Sat, 28 Feb
Qantas Airways Logo
09:45 - 06:15CNS-LHR
30h 30m2 stops
Qantas Airways Logo
20:10 - 14:05LHR-CNS
31h 55m3 stops
$2,359Qantas Airways
Find Deal
Sat, 13 Dec - Tue, 6 Jan
KLM Logo
19:15 - 16:05CNS-LHR
54h 50m3 stops
KLM Logo
15:45 - 05:45LHR-CNS
28h 00m3 stops
$3,272KLM
Find Deal
Wed, 29 Oct - Wed, 5 Nov
KLM Logo
19:15 - 17:00CNS-LHR
55h 45m3 stops
KLM Logo
20:25 - 05:45LHR-CNS
47h 20m3 stops
$3,305KLM
Find Deal

Everything you should know

Top airlines
Singapore Airlines
Cheapest • from $1,816 (return)
Singapore Airlines
Best reviews • 8.1 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
February
Cheapest • 31% price drop
May
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
$1,780
Overall average: $1,684
Multi-carrier
Wed 29/10Wed 5/11
CNS - LHR • 2 stops
Cheapest one-way flight
$668
Typical prices: $1,147-1522
Singapore Airlines
Mon 26/1
CNS - LHR • 1 stop
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Booking Insights

KAYAK's insights & trends for Cairns to Heathrow flights

Get data-powered insights and trends into flights from Cairns to Heathrow to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Cairns to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Cairns to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Cairns to London Heathrow Airport is February, where tickets cost $1,501 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is $2,949 and $2,880 respectively.

Good to know

Low seasonAugust
Cheapest flight$668
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly and prices are also 19% lower on average.
Flight from Cairns to London Heathrow Airport

When to book flights from Cairns to Heathrow

Are your dates flexible? Find out the best times to travel from Cairns to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Cairns to London Heathrow Airport flights

  • What is the cheapest flight from Cairns to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Cairns to London Heathrow Airport was $445 for a one-way ticket and $1,186 for a return.

  • Which airports will I be using when flying from Cairns to London Heathrow Airport?

    Cairns and London Heathrow Airport are both served by 1 main airport. You will leave Cairns from Cairns and will be arriving at London Heathrow.

  • Which aircraft models fly most regularly from Cairns to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Cairns to London Heathrow Airport?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Cairns and London Heathrow Airport, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Cairns to London, Singapore Airlines or Qantas Airways?

    The two airlines most popular with KAYAK users for flights from Cairns to London are Singapore Airlines and Qantas Airways. With an average price for the route of $1,921 and an overall rating of 8.1, Singapore Airlines is the most popular choice. Qantas Airways is also a great choice for the route, with an average price of $2,548 and an overall rating of 7.5.

  • How does KAYAK find such low prices on flights from Cairns to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Cairns to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Cairns to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Cairns is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Cairns to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Cairns with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Cairns to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Cairns up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Cairns to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Cairns to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Cairns to Heathrow? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
Singapore AirlinesOverall score based on 1365 reviews
8.6Crew
7.7Food
8.0Entertainment
8.2Boarding
8.0Comfort
Airline reviews

I was in a middle seat where I felt a bit too cramped otherwise the trip was good

8.0 ExcellentAnonymous, Sept 2025SIN - BLR
Read more Singapore Airlines reviews

I was in a middle seat where I felt a bit too cramped otherwise the trip was good

Lounge a access was excellent as was the attentiveness and service from the crew as always. The food and drink supplied were of good quality. The entertainment system had a good selection and I liked the mapping system supplied. However the screen wild have been bigger and the operation a little smoother to navigate. The seats were barely comfortable, but adequate.

Headwind delayed our flight which wasn’t the airlines fault

The usual excellent experience with Singapore Airlines. The airplane was on time and actually early to Haneda Airport. The onboarding experience was pleasant with no delays, perhaps owing to the fact that the flight was not full. Nevertheless, the air crew were their usual outstanding standards in serving the passengers.

Good service and food. For buying items on flight should be preordered as they don’t keep much stock on board.

Horrendous. We upgraded and they took the money but cancelled one of our tickets. The recline action didn’t work on the seats for the flight from Singapore to London, pre booked meals but they seemed to have disappeared as well.. Phone customer service was horrendous. Took 5 phone calls and no fix. Craig at the airport was the only one who seemed to be able to get the ticket back.

Very good flight from Boarding to landing -efficient and comfortable with decent entertainment options

Construction at PDX resulting in very lung walk from the rental car to the gate. SFO, extremely long walk between terminals to get to connecting Singapore airlines flight. My smart watch recorded a total of 3 miles.

Food could have been better. Too many passengers getting up and down all the time.

Delayed 1hour due to storm still didn't get window seat for third flight despite paying £240 extra to book them

by the time they got to our row, they were out of some of the food options. games and movies were great but maybe more game options like tetris or pac man would be great

A few more inches of legroom is all i ask

Great as usual, some delays but well communicated and made up for in the air

Business class points redemption - good value for points paid, dubious value if out of your own pocket, domestic class business product okay for this length of flight. The flight left and arrived on time, crew were good, aircraft was a bit old and tired, but still miles ahead of their competitors in Virgin and Jetstar.

Airline running better than post Covid, proper boarding process now implemented, some aircraft feeling a bit old and tired, crew fine, online experience better.

We were upgraded and after just a short delay in attending to a safety check we were on our way. Would definately fly Qantas International on their Dreamliner again.

Five hour flight instead of four hours due to westerly headwinds which wasn’t the fault of Qantas !

I tried to check in online but was unable to do so. I stood in line for nearly two hours to check in. American Airlines was understaffed. When I finally got to the kiosk to check in, I was still unable to check in. No AA staff was available to help. Finally one of the airport security agents who was helping passengers became of lack of AA Staff told me: “I think the reason you can’t check in is that you are starting your name with an upper case letter when you write it. Just write it with all lower case letters.” That did allow me to check in. HOW COULD ANYONE POSSIBLY KNOW THAT IF THEY USE AN INITIAL UPPER CASE LETTER TO SPELL THEIR OWN NAME, AA WOULD NOT ALLOW THEM TO CHECK IN?????? Then I had to wait in line over half an hour again to drop off my baggage. Although I arrived at the airport 3 hours early, by the time I got to the gate, they had already started boarding.

One of the oldest most uncomfortable "lay down" seats I've ever experienced. Old plane and old seats that don't lay flat. The seat back does not even recline - at all. Instead the legrest awkwardly extends to fill the gap between a small cubby into which you must insert your feet/legs. I am 5' 11" and could not lay straight but had to tuck my knees. Ticket was also very expensive. Would not recommend flying business/first on Finair from Melbourne to Bangkok and will not do so again myself.

The wifi was out. Otherwise it was great flight. Richard, as CSM, was excellent.

Everything you need to know for your flight from Cairns to Heathrow

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