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Cheap flights from Cairns to London Heathrow Airport from $804

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cairns to London Heathrow Airport departing on 16/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Cairns to London

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Cairns to London.
 Logo
19:00 - 18:40CNS-LHR
56h 40m2 stops
 Logo
21:20 - 18:15LHR-CNS
35h 55m2 stops
$1,657
Find Deal
Sun, 11 May - Sun, 18 May
 Logo
19:00 - 18:40CNS-LHR
56h 40m2 stops
 Logo
21:20 - 20:40LHR-CNS
38h 20m2 stops
$1,748
Find Deal
Sun, 11 May - Sun, 18 May
 Logo
11:40 - 21:45CNS-LHR
43h 05m2 stops
 Logo
10:30 - 17:00LHR-CNS
45h 30m2 stops
$1,806
Find Deal
Sun, 11 May - Mon, 26 May
Singapore Airlines Logo
18:15 - 15:45CNS-LHR
54h 30m1 stop
Singapore Airlines Logo
09:25 - 17:00LHR-CNS
22h 35m1 stop
$1,867Singapore Airlines
Find Deal
Sun, 25 May - Sun, 22 Jun
Singapore Airlines Logo
18:15 - 15:45CNS-LHR
30h 30m1 stop
Singapore Airlines Logo
22:05 - 17:00LHR-CNS
33h 55m1 stop
$1,876Singapore Airlines
Find Deal
Sun, 11 May - Mon, 26 May
Qantas Airways Logo
13:40 - 06:35CNS-LHR
49h 55m1 stop
Qantas Airways Logo
11:55 - 22:50LHR-CNS
25h 55m2 stops
$2,175Qantas Airways
Find Deal
Sun, 11 May - Sun, 18 May
Air India Logo
12:10 - 12:05CNS-LHR
32h 55m2 stops
Air India Logo
09:45 - 08:30LHR-CNS
37h 45m2 stops
$2,289Air India
Find Deal
Wed, 17 Sep - Mon, 6 Oct
Air India Logo
12:10 - 19:00CNS-LHR
39h 50m2 stops
Air India Logo
09:45 - 08:30LHR-CNS
37h 45m2 stops
$2,309Air India
Find Deal
Tue, 23 Sep - Mon, 13 Oct
Qantas Airways Logo
11:45 - 06:35CNS-LHR
27h 50m2 stops
Qantas Airways Logo
20:50 - 13:45LHR-CNS
31h 55m3 stops
$2,318Qantas Airways
Find Deal
Sun, 25 May - Sun, 22 Jun
Emirates Logo
18:40 - 16:10CNS-LHR
30h 30m2 stops
Emirates Logo
16:50 - 11:35LHR-CNS
33h 45m2 stops
$2,664Emirates
Find Deal
Fri, 16 May - Fri, 23 May

Singapore Airlines flights from Cairns to London Heathrow Airport

Our best Singapore Airlines deals on Cairns to London Heathrow Airport flight tickets
Singapore Airlines
25 May
CNS18:15Cairns
54h 30m
1 stop
LHR15:45London Heathrow
22 June
LHR09:25London Heathrow
22h 35m
1 stop
CNS17:00Cairns
Singapore Airlines
11 May
CNS18:15Cairns
30h 30m
1 stop
LHR15:45London Heathrow
26 May
LHR22:05London Heathrow
33h 55m
1 stop
CNS17:00Cairns
Singapore Airlines
11 May
CNS18:15Cairns
34h 15m
1 stop
LHR19:30London Heathrow
18 May
LHR09:25London Heathrow
22h 35m
1 stop
CNS17:00Cairns

Qantas Airways flights from Cairns to London Heathrow Airport

Our best Qantas Airways deals on Cairns to London Heathrow Airport flight tickets
Qantas Airways
11 May
CNS13:40Cairns
49h 55m
1 stop
LHR06:35London Heathrow
18 May
LHR11:55London Heathrow
25h 55m
2 stops
CNS22:50Cairns
Qantas Airways
25 May
CNS11:45Cairns
27h 50m
2 stops
LHR06:35London Heathrow
22 June
LHR20:50London Heathrow
31h 55m
3 stops
CNS13:45Cairns
Qantas Airways
11 May
CNS15:35Cairns
48h 00m
3 stops
LHR06:35London Heathrow
26 May
LHR20:50London Heathrow
29h 15m
2 stops
CNS11:05Cairns

See travel insights to London from

How to get the cheapest flight ticket from Cairns to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Cairns and London Heathrow Airport?

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

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Cairns, with most prices found around $1,559. If you aren’t able to travel during the month of October, then book flights to London Heathrow Airport from Cairns during February instead. Flights to London Heathrow Airport in February, while not as cheap as those in October, still average around $1,714.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $2,058. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Cairns to London Heathrow Airport for around $3,096.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

In the afternoon is the cheapest time of day to fly from Cairns to London Heathrow Airport when you can find flight prices for as low as $2,130. Flying to London Heathrow Airport in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the evening when prices are around $2,604.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Cairns when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $2,280 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Cairns for as low as $1,872 on momondo.

How have Cairns to London Heathrow Airport flight prices changed over time?

As of April 2025, prices for Cairns to London Heathrow Airport flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Cairns to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cairns to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cairns to London Heathrow Airport (CNS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to London Heathrow Airport

Best price found

$804

Fastest flight time

22h 30m

Direct flights

None
The best one-way flight to London Heathrow Airport from Cairns in the past 72 hours is $804. The best return flight deal from Cairns to London Heathrow Airport found on momondo in the last 72 hours is $1,657.
The fastest flight from Cairns to London Heathrow Airport takes 22h 30m
There are no direct flights from Cairns to London Heathrow Airport. Popular non-direct route for this connection is Cairns Airport - London Heathrow Airport.

  • How far is Cairns to London Heathrow by plane?

    Cairns and London Heathrow are 15146.4 km apart from one another. 22h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Cairns Airport to London Heathrow Airport?

    Prices for flights from Cairns Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Cairns Airport to London Heathrow Airport?

  • How old do you have to be to fly from Cairns Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cairns Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Cairns to London Heathrow Airport?


Best airlines flying from Cairns to London Heathrow Airport

Compare and see reviews for airlines that fly from Cairns to London Heathrow Airport with momondo
Airline
Rating
Free cancellation
Price
Singapore AirlinesPriceFrom $1,436Free cancellationRating
8.1
1,288 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $2,014Free cancellationRating
7.5
815 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $2,069Free cancellationRating
7.5
841 reviews
Search Cathay Pacific flights

Travelling to a place near London?

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Why use momondo?

Why should I use momondo to find a flight deal from Cairns to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Cairns.

Can I find flights from Cairns to London with flexible booking policies on momondo?

Yes. All flights to London from Cairns on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Cairns to London?

Once all potential Cairns to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Cairns to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Cairns to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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