When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 53 days in advance, which can save you up to 50% on flights from London to Puerto Rico compared to booking the week you need them. Waiting 53 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £467. For sooner than that we have options available in the next 3 days from £766.
Our data shows that January tends to be the cheapest month to fly to Puerto Rico from London. Users have commonly found prices around £617 for the month, but tickets can be as low as £379. Due to multiple factors, prepare for potentially higher prices in August.
When flying from London to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
£474 - £909
Route
Depart
Return
Price
London GatwickSan Juan Luis Munoz Marin Intl
LGW - SJU
LGWSJU
London Gatwick
Sun 16/6
1 stop31h 35m
San Juan Luis Munoz Marin Intl
Sat 22/6
1 stop26h 20m
London GatwickSan Juan Luis Munoz Marin Intl
LGW - SJU
LGWSJU
London Gatwick
Fri 20/9
1 stop14h 15m
San Juan Luis Munoz Marin Intl
Mon 30/9
1 stop13h 30m
London HeathrowSan Juan Luis Munoz Marin Intl
LHR - SJU
LHRSJU
London Heathrow
Tue 5/11
1 stop15h 30m
San Juan Luis Munoz Marin Intl
Thu 21/11
1 stop13h 52m
London HeathrowSan Juan Luis Munoz Marin Intl
LHR - SJU
LHRSJU
London Heathrow
Wed 2/10
2 stops45h 43m
San Juan Luis Munoz Marin Intl
Wed 9/10
2 stops21h 04m
London GatwickSan Juan Luis Munoz Marin Intl
LGW - SJU
LGWSJU
London Gatwick
Tue 5/11
2 stops17h 55m
San Juan Luis Munoz Marin Intl
Wed 20/11
2 stops28h 56m
London HeathrowSan Juan Luis Munoz Marin Intl
LHR - SJU
LHRSJU
London Heathrow
Tue 5/11
2 stops35h 30m
San Juan Luis Munoz Marin Intl
Thu 21/11
1 stop22h 40m
London HeathrowSan Juan Luis Munoz Marin Intl
LHR - SJU
LHRSJU
London Heathrow
Tue 5/11
2 stops18h 59m
San Juan Luis Munoz Marin Intl
Thu 21/11
1 stop13h 52m
London HeathrowSan Juan Luis Munoz Marin Intl
LHR - SJU
LHRSJU
London Heathrow
Wed 18/9
2 stops18h 56m
San Juan Luis Munoz Marin Intl
Fri 27/9
1 stop14h 16m
London GatwickSan Juan Luis Munoz Marin Intl
LGW - SJU
LGWSJU
London Gatwick
Thu 26/9
2 stops28h 38m
San Juan Luis Munoz Marin Intl
Sun 29/9
2 stops25h 00m
No data available for this route at this time. Please check back soon.
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