Book United London to San Juan flight deals from $1,231

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Two-story homes in orange, green, and blue line the streets of San Juan

Plan ahead for flights from London to San Juan

from
to
Type
Dates
Price*
London (LHR)
to San Juan (SJU)
Roundtrip
Depart Sat 30 Mar 2019
Return Sun 7 Apr 2019
from$ 1,231*Viewed: 23 hours ago
London (LHR)
to San Juan (SJU)
Roundtrip
Depart Sun 31 Mar 2019
Return Sun 7 Apr 2019
from$ 1,270*Viewed: 23 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in San Juan

80 °FSunday10/21/2018
80 °FMonday10/22/2018
80 °FTuesday10/23/2018
82 °FWednesday10/24/2018
82 °FThursday10/25/2018
84 °FFriday10/26/2018
86 °FSaturday10/27/2018
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