Flight Routes 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
25/05/26
1 Stopover (BOS)
B61621, B60761
19h 20min
Return
07/06/26
1 Stopover (JFK)
B60704, B61107
18h 20min
JetBlue Airways
£600
London Heathrow
San Juan (Puerto Rico)
Outbound
17/08/26
2 Stopovers (FRA, BOS)
LH0923, DE2038, B60561
22h 58min
Return
15/09/26
2 Stopovers (JFK, FRA)
B62904, DE2017, LH0908
27h 40min
Lufthansa, Condor, JetBlue Airways
£1,010
London Heathrow
San Juan (Puerto Rico)
Outbound
25/05/26
1 Stopover (BOS)
B61621, B60861
32h 21min
Return
07/06/26
1 Stopover (BOS)
B60462, B61620
29h 41min
JetBlue Airways
£607
London Heathrow
San Juan (Puerto Rico)
Outbound
17/08/26
1 Stopover (BOG)
AV0121, AV0214
18h 20min
Return
15/09/26
1 Stopover (BOG)
AV0259, AV0120
16h 00min
Avianca
£698
London Heathrow
San Juan (Puerto Rico)
Outbound
17/08/26
3 Stopovers (HAM, LHR, CLT)
BA0970, AA6900, AA0733, AA2830
31h 51min
Return
15/09/26
1 Stopover (JFK)
VS4924, VS0046
12h 43min
British Airways, American Airlines ?
£744
London Heathrow
San Juan (Puerto Rico)
Outbound
17/08/26
1 Stopover (BOG)
AV0121, AV0258
24h 05min
Return
15/09/26
1 Stopover (MIA)
IB4092, IB4251
13h 55min
Avianca
£750
London Heathrow
San Juan (Puerto Rico)
Outbound
17/08/26
2 Stopovers (LIS, EWR)
TP1367, TP0203, TP4407
27h 30min
Return
15/09/26
2 Stopovers (JFK, LIS)
TP4398, TP0210, TP1358
27h 35min
TAP Air Portugal
£766
London Heathrow
San Juan (Puerto Rico)
Outbound
25/05/26
1 Stopover (BOG)
AV0121, AV0258
24h 05min
Return
07/06/26
1 Stopover (BOG)
AV0259, AV0120
16h 00min
Avianca
£771
London Heathrow
San Juan (Puerto Rico)
Outbound
25/05/26
1 Stopover (BOG)
AV0121, AV0214
18h 20min
Return
07/06/26
1 Stopover (BOG)
AV0259, AV0120
16h 00min
Avianca ?
£836
London Heathrow
San Juan (Puerto Rico)
Outbound
08/08/26
2 Stopovers (LIS, BOS)
TP1359, TP0215, TP4403
25h 15min
Return
31/08/26
2 Stopovers (BOS, LIS)
TP4396, TP0218, TP1356
23h 20min
TAP Air Portugal
£870
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 £
80 %
2 stopovers Frankfurt-Main New York John F Kennedy
24h 20min, from 1 160 £
20 %

Important flight information

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

Outbound and return from 599,90 £
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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