United flights from London to San Juan from £ 872*

Featured daily fares for flights from London (LHR) to San Juan (SJU)

$ 273
Displaying fares for May-2025
15

Th

MAY

14

Sa

04

Fr

09

Sa

27

Sa

01

We

OCT

01

Sa

NOV

01

Mo

DEC

01

Th

JAN

01

Su

FEB

01

Su

MAR

01

We

APR

Range$ 273-$ 275

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