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Cancún
LHR ⇄ CUN, Mexico

Cheap flights from London to Cancún

A good round-trip price from London to Cancún is under £621. Over the last 2 days the lowest fare we found each day was usually around £621, and the lowest of all was £621, for travel in March 2027. The cheapest month to fly is March 2027, at around £621.

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Good price
£621
under this is a deal · round trip
Typical price
£621
the middle of what we saw · round trip
Lowest we saw
£621
for March 2027 · round trip
Nonstop
0%
of the cheapest fares

Cheapest months to fly

The cheapest round trip for each departure month, from fares seen on November 11, 2026.

  • Jan 27£658
  • Feb 27£688
  • Mar 27£621 (Cheapest)

Price over the last 30 days

The lowest round-trip fare we found each day. Today: £621.

£621£621

Deals on this route

Members get an alert when a fare on this route drops well under £621.

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Questions about this route

What is a good price to fly from London to Cancún?

Under £621 round trip is a good price. Over the last 2 days the typical fare was £621 and the lowest was £621.

What is the cheapest month to fly from London to Cancún?

March 2027, at £621 round trip, from the fares we found today. The most expensive month is February 2027, at £688.

Are there cheap nonstop flights from London to Cancún?

None of the cheapest daily fares we found were nonstop. Expect one stop at the lowest prices.

How far ahead should I book flights from London to Cancún?

The cheapest quarter of fares we found were for trips about 116 days ahead. Deals also appear at short notice, which is why members get alerts.

How long is the flight from London to Cancún?

About 11 h 1 min one way on the cheapest fares we found, including any stops.

Fares like these don't wait

Members get an alert when a fare from their city drops far below normal, with the dates and a link to book.

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Based on 2 days of fares we checked between November 10, 2026 and November 11, 2026. Prices change fast, so always check the final price before you book.