Sun loungers and a palm-thatched parasol on a white beach in Cancún

Cheap flights from London Heathrow to Cancún

Return fares from £574 in the next 12 months, with direct flights. Pick a day in the calendar to see the fare.

Cheapest return: £574
Typical return: £594.50
Cheapest one way: –
Cheapest month: November

Price calendar

Cheapest return fare by departure day, 2–14 nights, direct or with one stop. Green days are the cheapest of the month.

Cheapest return fare per departure day, November 2026
Mon	Tue	Wed	Thu	Fri	Sat	Sun
						1–
2–	3–	4–	5£574 return, back 17 Nov	6–	7–	8–
9–	10–	11–	12–	13–	14–	15–
16–	17–	18–	19–	20–	21–	22–
23–	24–	25–	26–	27–	28–	29–
30–

Cheapest dates

Thu 5 Nov – Tue 17 Nov · 12 nights
KLM · 1 stop
£574Check price ↗
Sun 10 Jan – Wed 20 Jan · 10 nights
VS · direct
£588Check price ↗
Wed 10 Mar – Sun 21 Mar · 11 nights
KLM · 1 stop
£592Check price ↗
Mon 8 Feb – Mon 15 Feb · 7 nights
AV · 1 stop
£597Check price ↗
Wed 17 Feb – Wed 3 Mar · 14 nights
Air France · 1 stop
£606Check price ↗
Wed 6 Jan – Mon 11 Jan · 5 nights
SWISS · 1 stop
£799Check price ↗

London Heathrow to Cancún: questions

How much is a flight from London Heathrow to Cancún?: In the fares we found for the next 12 months, return flights start at £574 and the median is £594.50 (6 fares, 2–14 nights, 1 adult).
What is the cheapest month to fly from London Heathrow to Cancún?: November 2026, from £574 return, of the months we have fares for.
Are there direct flights from London Heathrow to Cancún?: Yes: 1 direct fare in our data, flying about 11 h 1 min out.
Which airlines fly from London Heathrow to Cancún?: In our fares: KLM, VS, AV, Air France, SWISS.

Cancún from other UK airports

From London Gatwickfrom £523

More flights from London Heathrow

Prices are return fares for one adult, found by Aviasales users in the last few days and cached; they can change at any time, and the final price and availability are on Aviasales. Checked bags are extra unless the airline includes them. We may earn a commission when you book through our links; it does not change your price.