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Cheapest one-way flights from Cancun (CUN) to London (LHR), December

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Dates, airline, and price
Dates	Airline	Price
05 Dec	WestJet
12 Dec	WestJet
06 Dec	WestJet
01 Dec	Porter Airlines (Canada) Ltd
03 Dec	jetBlue
13 Dec	Air Canada
22 Dec	WORLD2FLY
30 Dec	Volaris
23 Dec	Air Caraibes
02 Dec	Virgin Atlantic Direct Flight

deals for return flights from Cancun to London in December.

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Updated Aug 26, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Cancun (CUN) to London (LHR), December

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