Statistics on London-Puerto Rico (San Juan) flights: what is the right price and when to buy your plane ticket?
Best time to go: what is the RIGHT price for a round-trip flight to Puerto Rico (San Juan) (from: London)
The average price to go to Puerto Rico (San Juan) from London airport is $ 783 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 677 (in september) and $ 1031 (in august), which is a saving of $ 107 or a surplus of $ 249 (compared to the average price) depending on the period you leave.
The analysis of all prices reveals that the most frequent price is between $597 to $651 and it is generally more economical to leave on a wednesday and return on a tuesday on a flight with 1 or more layovers.
Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Puerto Rico (San Juan) before booking your flight.
If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your London-Puerto Rico (San Juan) plane ticket.
How are these data calculated?
We have studied a sample of 60000 airfare prices from previous years for flights to Puerto Rico (San Juan) from London and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
Average price depending on the departure month
Data analysis:
By leaving in september, the price of the plane ticket will statistically be the cheapest ($ 677, saving $ 107 compared to the average price over the year which is $ 783). Conversely, august will be the most expensive ($ 1031).
Flight London-Puerto Rico (San Juan): when is the best time to go for the best price?
| Month | Good price* | Average price | Our opinion |
|---|---|---|---|
| January | $ 604 | $ 714 | good price |
| February | $ 604 | $ 704 | good price |
| March | $ 610 | $ 679 | good price |
| April | $ 706 | $ 821 | fair price |
| May | $ 652 | $ 713 | good price |
| June | $ 716 | $ 789 | fair price |
| July | $ 819 | $ 914 | fair price |
| August | $ 928 | $ 1031 the most expensive | very high price |
| September | $ 613 | $ 677 the cheapest | very good price |
| October | $ 670 | $ 755 | good price |
| November | $ 625 | $ 713 | good price |
| December | $ 710 | $ 885 | fair price |
*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!
Price breakdown to travel from London to Puerto Rico (San Juan)
Data analysis:
The prices for flights from London to Puerto Rico (San Juan) range from $487 to $1247. 4% of tickets were purchased at the minimum price (from $488 to $542), 2% at the maximum price (from $1193 to $1247). The majority of plane tickets were purchased in the range of $597 to $651 (18% of tickets).
Cheapest airlines for the London->Puerto Rico flight
There are 11 companies that serve London from Puerto Rico (San Juan) airport: jetBlue, Finnair, Iberia, norse atlantic airways (uk), TAP, Ryanair, EasyJet, Fly Play, British Airways, Avianca (scheduled) and Virgin Atlantic.
Data analysis:
Of the 60000 flights analyzed in previous years, jetBlue was the airline that offered the best fare most often in the flight ticket search results (60% of the time) on the London->Puerto Rico route.
Which day of the week to leave?
Data analysis:
Statistically, London-Puerto Rico (San Juan) flights departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday as your departure date, you can save an average of $59. On the other hand, departing on a sunday may cost you an additional $54.
Which day of the week to come back?
Data analysis:
Statistically, return flights from Puerto Rico (San Juan) to London departing on a tuesday are cheaper than on other days of the week. By choosing a tuesday for your return date, you will save an average of $47. Conversely, departing from Puerto Rico (San Juan) on a saturday may cost you an additional $38.
Top prices London-Puerto Rico (San Juan)
| Round trip | Dates | Price | |
|---|---|---|---|
| London → San Juan | 24-04 to 30-04-2025 | $ 598 | layover flight with norse atlantic airways (uk) |
| London → San Juan | 06-05 to 13-05-2025 | $ 568 | layover flight with norse atlantic airways (uk) |
| London → San Juan | 07-05 to 13-05-2025 | $ 601 | layover flight with norse atlantic airways (uk) |
| London → San Juan | 09-05 to 17-05-2025 | $ 593 | layover flight with norse atlantic airways (uk) |
| London → San Juan | 08-09 to 15-09-2025 | $ 604 | layover flight with jetBlue |
| London → San Juan | 09-09 to 16-09-2025 | $ 585 | layover flight with jetBlue |
| London → San Juan | 15-09 to 21-09-2025 | $ 579 | layover flight with jetBlue |
| London → San Juan | 17-09 to 24-09-2025 | $ 601 | layover flight with jetBlue |
| London → San Juan | 22-09 to 30-09-2025 | $ 579 | layover flight with jetBlue |
| London → San Juan | 23-09 to 30-09-2025 | $ 579 | layover flight with jetBlue |
When to book your flight London - Puerto Rico (San Juan) to get the cheapest price?
Statistically, you will make the biggest savings by buying your plane ticket between 1 to 2 months in advance. However, you may end up paying a high price if you book between 11 to 12 months in advance.
Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a London-Puerto Rico flight, it is recommended to book your ticket on a monday.
How far in advance should I buy my flight?
Data analysis:
To get the cheapest flight ticket from London to Puerto Rico (San Juan), it is recommended to buy it 1 to 2 months before departure (it is then on average 680 $, which is a saving of 103 $ compared to the overall average price). On the other hand, if you buy your ticket 11 to 12 months in advance, you will pay the full price (519 $ more than the average price).
Depending on the departure month
The best time to buy your London to Puerto Rico (San Juan) flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.
| Departure on... | How far in advance should I book? |
|---|---|
| January | Best time: 1 to 2 months before departure (average price: 630 $) Other interesting period(s): 0 to 1 month ($ 711), 2 to 3 months ($ 634), 3 to 4 months ($ 639), 4 to 5 months ($ 658), 5 to 6 months ($ 703), 6 to 7 months ($ 701), 8 to 9 months ($ 711) |
| February | Best time: 1 to 2 months before departure (average price: 608 $) Other interesting period(s): 2 to 3 months ($ 627), 3 to 4 months ($ 664), 4 to 5 months ($ 660), 5 to 6 months ($ 681), 7 to 8 months ($ 700) |
| March | Best time: 2 to 3 months before departure (average price: 623 $) Other interesting period(s): 1 to 2 months ($ 638), 3 to 4 months ($ 667), 4 to 5 months ($ 664), 5 to 6 months ($ 636), 6 to 7 months ($ 666) |
| April | Best time: 0 to 1 month before departure (average price: 693 $) Other interesting period(s): 1 to 2 months ($ 759), 2 to 3 months ($ 786), 3 to 4 months ($ 771), 4 to 5 months ($ 804) |
| May | Best time: 2 to 3 months before departure (average price: 684 $) Other interesting period(s): 1 to 2 months ($ 698), 4 to 5 months ($ 696), 5 to 6 months ($ 694), 7 to 8 months ($ 696), 8 to 9 months ($ 703) |
| June | Best time: 1 to 2 months before departure (average price: 724 $) Other interesting period(s): 0 to 1 month ($ 743), 3 to 4 months ($ 781), 5 to 6 months ($ 779), 6 to 7 months ($ 771), 7 to 8 months ($ 767) |
| July | Best time: 1 to 2 months before departure (average price: 770 $) Other interesting period(s): 0 to 1 month ($ 851), 2 to 3 months ($ 912), 7 to 8 months ($ 912), 8 to 9 months ($ 903), 9 to 10 months ($ 859) |
| August | Best time: 1 to 2 months before departure (average price: 885 $) Other interesting period(s): 0 to 1 month ($ 989), 2 to 3 months ($ 904), 3 to 4 months ($ 999), 9 to 10 months ($ 1006) |
| September | Best time: 2 to 3 months before departure (average price: 608 $) Other interesting period(s): 0 to 1 month ($ 668), 1 to 2 months ($ 611), 3 to 4 months ($ 632), 4 to 5 months ($ 669), 7 to 8 months ($ 657), 8 to 9 months ($ 633) |
| October | Best time: 1 to 2 months before departure (average price: 665 $) Other interesting period(s): 2 to 3 months ($ 673), 3 to 4 months ($ 693), 4 to 5 months ($ 700), 5 to 6 months ($ 730), 6 to 7 months ($ 748), 7 to 8 months ($ 716), 8 to 9 months ($ 716), 9 to 10 months ($ 710) |
| November | Best time: 1 to 2 months before departure (average price: 616 $) Other interesting period(s): 0 to 1 month ($ 675), 2 to 3 months ($ 632), 3 to 4 months ($ 675), 4 to 5 months ($ 675), 6 to 7 months ($ 708), 7 to 8 months ($ 708), 8 to 9 months ($ 710) |
| December | Best time: 1 to 2 months before departure (average price: 734 $) Other interesting period(s): 0 to 1 month ($ 843), 2 to 3 months ($ 774), 5 to 6 months ($ 846), 6 to 7 months ($ 882), 7 to 8 months ($ 854) |
What day of the week should I book my flight ticket?
Data analysis:
Statistically, monday is the day when plane tickets for London->Puerto Rico are the cheapest. So, by buying your plane ticket on a monday, you will save $5. Conversely, by buying it on a tuesday, you may end up paying $8 more.
London to Puerto Rico (San Juan): flight price when booking today
Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.
| Month | Current price | Our opinion | |
|---|---|---|---|
| April 2025 | $ 856 $598 to $1526 | high price | Find a flight |
| May 2025 | $ 711 $568 to $1331 | fair price | Find a flight |
| June 2025 | $ 758 $628 to $1119 | very good price | Find a flight |
| July 2025 | $ 950 $794 to $1302 | high price | Find a flight |
| August 2025 | $ 1090 $891 to $1444 | high price | Find a flight |
| September 2025 | $ 678 $579 to $998 | fair price | Find a flight |
| October 2025 | $ 749 $627 to $1163 | fair price | Find a flight |
| November 2025 | $ 711 $617 to $1195 | fair price | Find a flight |
| December 2025 | $ 943 $617 to $1656 | high price | Find a flight |
| January 2026 | $ 793 $645 to $1206 | high price | Find a flight |
| February 2026 | $ 970 $645 to $1451 | very high price | Find a flight |
| March 2026 | $ 1367 $766 to $3863 | very high price | Find a flight |
Data analysis:
Compared to the average price, june is cheaper to travel to Puerto Rico (San Juan). It may be interesting to book now to leave this month!