Route brief · LON → CUN
London → Cancún
$605
−17% vs typical
seasonal median $730 · difference $125
Sep 22 – Sep 29 · 7 nights
TUI AirwaysNonstop
- Usual monthly lows
- $673–$768
- Board rank
- Stronger than 45%
- Route sample
- 6 observed months
Cached fare — the booking search re-prices live before you pay.
Destination briefCUNCancúnCaribbean blue, Mayan ruins, cenotes — the highest deal-frequency beach route in the Americas.Best windowDec–AprAirportsCancún (CUN)All routes into CancúnWhen this route gets cheap.
Cached-fare history: across 6 months, Sep is the cheapest for LON → CUN. Best time to be there: Dec–Apr.
Fares bottom out in September around $605 and peak in December near $878 — a $273 spread across the 6 months we track. The cheapest itinerary we are tracking flies TUI Airways nonstop and takes about 10.5 hours outbound, on a 7-night trip. At $605 for 7,961 km each way, that works out to about $38 per 1,000 km flown. That is below the $44 typical of long-haul fares here. Across the 19 departure cities we track at a similar distance from Cancún, this fare ranks 3rd — 10% above the $549 from São Paulo. That puts it in the cheaper half of the 34 routes of similar length we watch out of London, where the middle fare is $668.
The 7 days we hold a cached fare for
Tap a date → live search
The median cached fare across this calendar is 4% lower than when tracking began on Aug 8 — $799 then versus $769 now, across 8 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $660, on Oct 28.
- Sat, Sep 5$1,106
- Tue, Sep 15$777
- Thu, Sep 17$769
- Fri, Sep 25$723
- Thu, Oct 22$854
- Sat, Nov 7$673
- Sun, Nov 15$734
These are the only days we have a cached price for on this route so far — not the only days it flies. The search above covers any date.
Cheapest in Sep · around $605
17% below the $730 typical fare
Cheapest round-trip fare found per month · London → Cancún · cached-price history
Route facts
- Airports
- Heathrow (LHR) · Gatwick (LGW) · Stansted (STN) · Luton (LTN) ↔ Cancún (CUN)
- Flight time
- ~10.5 hours outbound
- Distance
- ~7,961 km each way
- Typical price
- $730 round-trip (seasonal median)
- Airlines on the board
- TUI Airways
- Itineraries
- Nonstop available
- Best months to visit
- Dec–Apr
LON → CUN, answered.
Is $605 a good price for London to Cancún?
Only slightly. The seasonal median is around $730 round-trip and this fare is 17% under it, about $125. We do not call a drop notable until 20%, so this is an ordinary price for the route rather than a reason to hurry.
What is the cheapest month to fly from London to Cancún?
Across 6 months of cached-fare history, Sep comes out cheapest on this route. The best months to actually be in Cancún are Dec–Apr — when those overlap, that's your window.
How far in advance should I book LON → Cancún?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 6 months of cached fares, Sep comes out lowest on this route. See /guides/what-moves-a-flight-price/ for what does move a fare.
Are there nonstop flights from London to Cancún?
Yes — the current board includes nonstop fares (TUI Airways). The outbound leg runs around 10.5 hours.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on September 1). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Cancún?
Lock the flight first — then compare stays for Sep 22 – Sep 29 · 7 nights.
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