Cheap flights from London to Cancun from $842 LCY, LGW, LHR, LTN, SEN, STN → CUN
London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Cancun International Airport (CUN)
The cheapest return found recently is $842 with SWISS, 4 Jan 2027 – 31 Jan 2027, found 2 days ago.
- Cheapest return found recently
- $842, 4 Jan 2027 to 31 Jan 2027
- Usual return price
- $847 to $948
- Cheapest month to fly
- December 2026, return fares from $723 found in the last 7 days
- Airlines with nonstop flights
- British Airways, Virgin Atlantic, TUI Airways, Iberia
Return
The cheapest return fare on each of 9 departure dates is usually $847 to $948.
Cheapest return found recently
$842
4 Jan 2027 – 31 Jan 2027 · SWISS
London Heathrow Airport (LHR) → Cancun International Airport (CUN)
Leaves 6:40 p.m. · Return leaves 8:00 a.m. · 51 h 15 min of travel, both ways together
out 1 stop, back 1 stop · via Zurich Airport (ZRH), Vancouver International Airport (YVR) · overnight connection · 15 h connection
found 2 days ago
Cheapest nonstop return
$991
4 Jan 2027 – 31 Jan 2027 · British Airways
London Gatwick Airport (LGW) → Cancun International Airport (CUN)
Leaves 10:55 a.m. · Return leaves 6:40 p.m. · 20 h 20 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$842 4 Jan 2027 – 31 Jan 2027found 2 days agoSee prices for these dates
$723 4 Dec – 12 Decfound 5 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $450 to $852.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 9 departure dates from 15 Nov to 20 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 27-night return fares leaving within 3 days of 4 Jan 2027 to compare.
Every date we hold
152 fares on 9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Nov – 21 Nov | $4,866 | easyJet | London Southend Airport (SEN) → Cancun International Airport (CUN) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 4 Dec – 12 Dec | $723 | Air Transat | London Gatwick Airport (LGW) → Cancun International Airport (CUN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 5 Dec – 17 Dec | $862 | Virgin Atlantic | London Heathrow Airport (LHR) → Cancun International Airport (CUN) | out 1 stop, back nonstop | found 6 days ago | See prices for these dates |
| 13 Dec – 21 Dec | $893 | Virgin Atlantic | London Heathrow Airport (LHR) → Cancun International Airport (CUN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 16 Dec – 19 Jan 2027 | $934 | American Airlines | London Heathrow Airport (LHR) → Cancun International Airport (CUN) | out 2 stops, back 1 stop | found 5 days ago | See prices for these dates |
| 4 Jan 2027 – 31 Jan 2027 | $842 | SWISS | London Heathrow Airport (LHR) → Cancun International Airport (CUN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 6 Jan 2027 – 14 Jan 2027 | $948 | Virgin Atlantic | London Heathrow Airport (LHR) → Cancun International Airport (CUN) | out nonstop, back 1 stop | found 4 days ago | See prices for these dates |
| 10 Jan 2027 – 24 Jan 2027 | $1,051 | Lufthansa | London City Airport (LCY) → Cancun International Airport (CUN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 20 May 2027 – 27 May 2027 | $847 | avianca airlines | London Heathrow Airport (LHR) → Cancun International Airport (CUN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $723.
Airlines on the cheapest dates: Virgin Atlantic, easyJet, Air Transat, American Airlines, SWISS, Lufthansa, avianca airlines.
Premium cabin fares from London to Cancun
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 4 Jan 2027 – 31 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for London to Cancun?
Return
Fares 90 to 179 days before departure were typically 42% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $1,204 | $450 | +73% | 28 |
| 7–13 days | $990 | $450 | +42% | 26 |
| 14–29 days | $728 | $468 | +4% | 34 |
| 30–59 days | $913 | $532 | +31% | 26 |
| 60–89 days | $872 | $640 | +25% | 36 |
| 90–179 days | $697 | $622 | Cheapest seen | 49 |
| 180+ days | $847 | $720 | +22% | 36 |
Live price for these dates
The cheapest return found recently is for 4 Jan 2027 – 31 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from London to Cancun?
The cheapest return found recently is $842 with SWISS, 4 Jan 2027 to 31 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $723 with Air Transat, 4 Dec to 12 Dec, found 5 days ago. The cheapest return fare on each of 9 departure dates is usually $847 to $948.
What is the cheapest month to fly from London to Cancun?
December 2026 is the cheapest month for a return, from $723, 4 Dec to 12 Dec, found 5 days ago.
How far ahead should I book a flight from London to Cancun?
In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 42% lower than 0 to 6 days before departure.
Is there a direct flight from London to Cancun?
Yes, the cheapest nonstop return found recently is $991 with British Airways, 4 Jan 2027 to 31 Jan 2027, found 2 days ago.
Which airlines have the cheapest flights from London to Cancun?
Between 15 Nov and 20 May 2027, Virgin Atlantic has the cheapest return on 3 of the 9 departure dates we hold, easyJet on 1 and Air Transat on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work