Flights from London to San Juan from £ 836*

Promotion Code

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

More United deals on London (LHR) to San Juan (SJU) flights

£
keyboard_arrow_down
More United deals on London (LHR) to San Juan (SJU) flights
From
To
Fare Type
Dates
Price
London (LHR)San Juan (SJU)Roundtrip
|
Economy
29/01/2026 - 01/02/2026

from

£ 836

Viewed: 21 hours ago

London (LHR)San Juan (SJU)Roundtrip
|
Economy
15/01/2026 - 22/01/2026

from

£ 837

Viewed: 15 hours ago

London (LHR)San Juan (SJU)Roundtrip
|
Economy
19/01/2026 - 26/01/2026

from

£ 837

Viewed: 15 hours ago

London (LHR)San Juan (SJU)Roundtrip
|
Economy
20/01/2026 - 27/01/2026

from

£ 837

Viewed: 15 hours ago

London (LHR)San Juan (SJU)Roundtrip
|
Economy
21/01/2026 - 28/01/2026

from

£ 837

Viewed: 15 hours ago

London (LHR)San Juan (SJU)Roundtrip
|
Economy
25/01/2026 - 01/02/2026

from

£ 837

Viewed: 15 hours ago

London (LHR)San Juan (SJU)Roundtrip
|
Economy
29/01/2026 - 05/02/2026

from

£ 837

Viewed: 15 hours ago

London (LHR)San Juan (SJU)Roundtrip
|
Economy
19/01/2026 - 02/02/2026

from

£ 837

Viewed: 15 hours ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, 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. Schedules are subject to change without notice.

Explore more United flights