Cheapest one-way flights from San Juan to London in December from $441

AirHint found the following cheapest one-way flights from San Juan (SJU) to London (LHR) in December 2026 (see full year).

One-Way flights

29 Dec United
28 Dec United
30 Dec United
27 Dec Aer Lingus
31 Dec United
19 Dec Avianca

Also check the deals for return flights from San Juan to London in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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