Flights from London Heathrow to San Juan (Puerto Rico)

Trip type

Our cheapest offers for flights from London Heathrow to San Juan (Puerto Rico)

Here you can compare cheap flights from London Heathrow (LHR) to San Juan (Puerto Rico) (SJU) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Juan (Puerto Rico). Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
London Heathrow
San Juan (Puerto Rico)
Outbound
19/06/26
1 Stopover (BOG)
AV0121, AV0214
18h 50min
Return
05/07/26
1 Stopover (BOG)
AV0259, AV0120
16h 20min
Avianca
£893
London Heathrow
San Juan (Puerto Rico)
Outbound
19/06/26
3 Stopovers (KEF, JFK, MIA)
FI0455, FI0615, AA1174, AA2582
66h 30min
Return
05/07/26
2 Stopovers (MIA, BCN)
BA5650, BA1514, VY6650
46h 10min
Icelandair, American Airlines ?
£922
London Heathrow
San Juan (Puerto Rico)
Outbound
19/06/26
1 Stopover (BOG)
AV0121, AV0258
24h 05min
Return
05/07/26
1 Stopover (BOG)
AV0259, AV0120
16h 00min
Avianca
£969
London Heathrow
San Juan (Puerto Rico)
Outbound
19/06/26
1 Stopover (BOG)
AV0121, AV0214
18h 20min
Return
05/07/26
1 Stopover (BOG)
AV0259, AV0120
16h 00min
Avianca ?
£1,007
London Heathrow
San Juan (Puerto Rico)
Outbound
19/06/26
1 Stopover (MIA)
IB4228, IB4348
14h 06min
Return
05/07/26
1 Stopover (MIA)
IB4379, IB4251
33h 16min
Iberia ?
£1,075
London Heathrow
San Juan (Puerto Rico)
Outbound
19/06/26
2 Stopovers (LIS, BOS)
TP1363, TP0217, TP4403
22h 00min
Return
05/07/26
2 Stopovers (EWR, LIS)
TP4400, TP0202, TP1352
24h 45min
TAP Air Portugal
£1,271
London Heathrow
San Juan (Puerto Rico)
Outbound
19/06/26
1 Stopover (JFK)
AF9663, AF5999
15h 45min
Return
05/07/26
1 Stopover (JFK)
AF2297, AF9917
13h 30min
Air France ?
£1,312
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to San Juan (Puerto Rico)

Favourite airline: e.g. JetBlue Airways, Lufthansa
The favourite airline for flights from London Heathrow to San Juan (Puerto Rico) is JetBlue Airways.
JetBlue Airways
31 %
Lufthansa
31 %
Icelandair
15 %
Favourite connection: via New York
When booking flights from London Heathrow to San Juan (Puerto Rico) 80 % of travellers prefer to fly via New York.
Route
bookings
1 stopover New York John F Kennedy
18h 31min, from 914 GBP
80 %
2 stopovers Frankfurt-Main New York John F Kennedy
24h 20min, from 1 160 GBP
20 %

Important flight information

Flight information: London Heathrow - San Juan (Puerto Rico)

Outbound and return from 892,70 GBP
Distance 6737 km
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport San Juan - Luis Muñoz Marín International Airport (SJU)
Destination country Flights to Puerto Rico
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