Fly from
Fly to
Budget
£361 - £632
Route
Depart
Return
Price
San Juan Luis Munoz Marin IntlLondon Gatwick
SJU - LGW
SJULGW
San Juan Luis Munoz Marin Intl
Fri 25/10
1 stop28h 10m
London Gatwick
Mon 11/11
1 stop31h 45m
San Juan Luis Munoz Marin IntlLondon Gatwick
SJU - LGW
SJULGW
San Juan Luis Munoz Marin Intl
Wed 2/10
1 stop15h 40m
London Gatwick
Wed 9/10
1 stop16h 19m
San Juan Luis Munoz Marin IntlLondon Heathrow
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Sun 6/10
1 stop19h 40m
London Heathrow
Sun 13/10
1 stop19h 27m
San Juan Luis Munoz Marin IntlLondon Gatwick
SJU - LGW
SJULGW
San Juan Luis Munoz Marin Intl
Fri 27/9
1 stop13h 54m
London Gatwick
Fri 11/10
1 stop20h 07m
San Juan Luis Munoz Marin IntlLondon Heathrow
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Mon 4/11
1 stop22h 35m
London Heathrow
Wed 13/11
2 stops17h 45m
San Juan Luis Munoz Marin IntlLondon Heathrow
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Sun 29/9
1 stop18h 55m
London Heathrow
Sat 19/10
1 stop15h 46m
San Juan Luis Munoz Marin IntlLondon Heathrow
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Sun 9/2
1 stop13h 07m
London Heathrow
Sun 16/2
1 stop14h 12m
San Juan Luis Munoz Marin IntlLondon Heathrow
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Tue 29/10
2 stops25h 25m
London Heathrow
Sat 16/11
2 stops34h 36m
San Juan Luis Munoz Marin IntlLondon Heathrow
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Mon 16/9
2 stops18h 25m
London Heathrow
Sun 29/9
2 stops42h 04m
Currently, January is the cheapest month in which you can book a flight from Puerto Rico to London (average of £380). Flying from Puerto Rico to London in June is currently the most expensive (average of £711). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Puerto Rico to London in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the evening.
In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.
If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Deals for Puerto Rico to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Puerto Rico.
Certainly. Search results for flights to London from Puerto Rico shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Not ready to book yet? You can track prices for flights from Puerto Rico to London on Cheapflights with our Price Alert feature and get notified when better prices are available.