$297+ Cheap flights from Puerto Rico to London (LON)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LON
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Puerto Rico to London with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Puerto Rico to London
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Cheapest flights from Puerto Rico to LondonExplore the most affordable flight options available from Puerto Rico to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Puerto Rico to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Iberia deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:10 pm -
1 stop12h 40m
Tue 11/2411:45 am -
1 stop12h 15m
Deal found 9/19![Iberia logo]()
$681
This Iberia deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:10 pm -
1 stop19h 05m
Tue 11/248:25 am -
1 stop15h 35m
Deal found 9/19![Iberia logo]()
$682
This Avianca deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:05 pm -
1 stop21h 30m
Sat 10/310:05 pm -
1 stop24h 05m
Deal found 9/21![Avianca logo]()
$683
This Avianca deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:35 pm -
1 stop16h 00m
Tue 9/2910:05 pm -
1 stop24h 05m
Deal found 9/23![Avianca logo]()
$685
This Avianca deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:50 pm -
1 stop21h 45m
Tue 11/109:35 pm -
1 stop23h 20m
Deal found 9/20![Avianca logo]()
$686
This Expedia deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:18 pm -
1 stop13h 42m
Wed 10/2811:25 am -
2 stops28h 06m
Deal found 9/21![British Airways logo]()
$696
This British Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:35 pm -
1 stop11h 50m
Tue 11/247:30 am -
2 stops19h 06m
Deal found 9/23![British Airways logo]()
$700
This Expedia deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:10 pm -
1 stop12h 25m
Tue 11/38:25 am -
2 stops19h 34m
Deal found 9/21![British Airways logo]()
$702
This British Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:35 pm -
1 stop11h 55m
Tue 11/106:00 am -
2 stops19h 38m
Deal found 9/19![British Airways logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
1 stop23h 35m
Tue 9/296:50 am -
2 stops22h 00m
Deal found 9/23![United Airlines logo]()
$710
This KLM deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:59 pm -
1 stop13h 41m
Thu 11/510:00 am -
2 stops17h 18m
Deal found 9/21![KLM logo]()
$713
This KLM deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:59 pm -
1 stop15h 21m
Wed 10/2111:45 am -
2 stops16h 59m
Deal found 9/23![KLM logo]()
$714
Best flights from Puerto Rico to LondonDiscover carefully curated flight deals from Puerto Rico to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Puerto Rico to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Avianca deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:35 pm -
1 stop16h 00m
Tue 10/279:35 pm -
1 stop23h 20m
Deal found 9/23![Avianca logo]()
$686
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:59 pm -
2 stops16h 06m
Tue 10/273:50 pm -
2 stops25h 59m
Deal found 9/22![Delta logo]()
$725
This British Airways deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:17 pm -
1 stop12h 58m
Tue 11/106:00 am -
2 stops19h 38m
Deal found 9/20![British Airways logo]()
$750
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:35 pm -
2 stops24h 15m
Wed 11/116:10 am -
2 stops33h 15m
Deal found 9/20![Multiple Airlines logo]()
$757
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 am -
1 stop20h 00m
Sat 11/76:50 am -
2 stops21h 46m
Deal found 9/23![United Airlines logo]()
$811
This Turkish Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
2 stops22h 10m
Tue 11/106:30 am -
2 stops22h 43m
Deal found 9/20![Turkish Airlines logo]()
$1,059
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:20 am -
2 stops28h 15m
Tue 10/279:20 pm -
2 stops45h 20m
Deal found 9/23![TAP AIR PORTUGAL logo]()
$1,300
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am -
2 stops21h 35m
Fri 11/278:10 pm -
1 stop20h 44m
Deal found 9/20![Delta logo]()
$725
This British Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:27 pm -
1 stop12h 23m
Sat 10/316:30 am -
2 stops20h 27m
Deal found 9/19![British Airways logo]()
$784
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:40 am -
2 stops19h 30m
Tue 11/106:50 am -
2 stops19h 32m
Deal found 9/19![United Airlines logo]()
$814
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:45 am -
1 stop18h 35m
Sun 10/184:20 pm -
1 stop25h 32m
Deal found 9/22![Delta logo]()
$817
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:45 pm -
1 stop21h 40m
Mon 10/269:30 am -
2 stops18h 06m
Deal found 9/22![United Airlines logo]()
$822
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:35 pm -
1 stop12h 10m
Tue 11/109:45 pm -
2 stops26h 15m
Deal found 9/19![Multiple Airlines logo]()
$983
This Turkish Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
2 stops22h 10m
Mon 11/95:25 pm -
2 stops31h 23m
Deal found 9/20![Turkish Airlines logo]()
$1,059
This British Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:10 pm -
1 stop12h 40m
Mon 11/911:45 am -
1 stop12h 15m
Deal found 9/23![British Airways logo]()
$987
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:35 pm -
1 stop12h 10m
Sat 11/148:00 am -
2 stops16h 00m
Deal found 9/23![Multiple Airlines logo]()
$1,001
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:35 pm -
1 stop19h 15m
Sun 11/297:45 am -
2 stops28h 54m
Deal found 9/22![Multiple Airlines logo]()
$1,021
This Turkish Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:00 pm -
2 stops22h 40m
Sat 10/315:20 pm -
2 stops31h 28m
Deal found 9/20![Turkish Airlines logo]()
$1,141
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:40 pm -
2 stops21h 55m
Sat 11/74:35 pm -
2 stops36h 38m
Deal found 9/21![TAP AIR PORTUGAL logo]()
$1,316
This British Airways deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:32 am -
2 stops18h 18m
Sat 11/77:45 am -
2 stops20h 14m
Deal found 9/22![British Airways logo]()
$1,115
This Turkish Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
2 stops23h 55m
Thu 11/55:20 pm -
2 stops31h 53m
Deal found 9/21![Turkish Airlines logo]()
$1,141
This Turkish Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:55 pm -
2 stops22h 25m
Tue 11/105:20 pm -
2 stops31h 28m
Deal found 9/21![Multiple Airlines logo]()
$1,071
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:20 am -
3 stops42h 40m
Tue 11/244:35 pm -
2 stops36h 05m
Deal found 9/20![TAP AIR PORTUGAL logo]()
$1,318
This British Airways deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:31 am -
2 stops17h 19m
Mon 11/308:50 am -
2 stops19h 07m
Deal found 9/22![British Airways logo]()
$1,124
This Turkish Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
2 stops22h 55m
Mon 11/910:55 am -
2 stops29h 31m
Deal found 9/20![Multiple Airlines logo]()
$1,071
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/291:09 am -
1 stop15h 26m
Sun 1/36:00 pm -
2 stops57h 57m
Deal found 9/23![United Airlines logo]()
$1,305
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:20 am -
3 stops42h 05m
Tue 11/109:20 pm -
3 stops31h 53m
Deal found 9/19![TAP AIR PORTUGAL logo]()
$1,333
This British Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:35 am -
2 stops17h 15m
Tue 11/248:50 am -
2 stops19h 07m
Deal found 9/19![British Airways logo]()
$1,133
This Turkish Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am -
2 stops22h 55m
Tue 10/275:20 pm -
2 stops30h 22m
Deal found 9/21![Turkish Airlines logo]()
$1,311
This Turkish Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:30 am -
2 stops25h 10m
Sat 10/315:20 pm -
2 stops31h 28m
Deal found 9/19![Multiple Airlines logo]()
$1,156
Last-minute flights from Puerto Rico to LondonDiscover last-minute flight deals from Puerto Rico to London. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to London. Data last updated September 23, 2026 and is based on user searches.
This Avianca deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:35 pm -
1 stop16h 00m
Tue 9/2910:05 pm -
1 stop24h 05m
Deal found 9/23![Avianca logo]()
$685
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
1 stop23h 35m
Tue 9/296:50 am -
2 stops22h 00m
Deal found 9/23![United Airlines logo]()
$710
This KLM deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:59 pm -
1 stop15h 21m
Wed 10/2111:45 am -
2 stops16h 59m
Deal found 9/23![KLM logo]()
$714
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:15 pm -
1 stop12h 30m
Wed 10/218:20 am -
1 stop20h 24m
Deal found 9/21![Delta logo]()
$720
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:59 pm -
2 stops16h 06m
Tue 10/273:50 pm -
2 stops25h 59m
Deal found 9/22![Delta logo]()
$725
This Expedia deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:18 pm -
1 stop13h 42m
Wed 10/2811:25 am -
2 stops28h 06m
Deal found 9/21![British Airways logo]()
$696
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:20 am -
2 stops21h 15m
Wed 10/2811:15 am -
2 stops28h 16m
Deal found 9/21![American Airlines logo]()
$801
This Avianca deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:35 pm -
1 stop16h 00m
Sat 10/319:35 pm -
1 stop23h 20m
Deal found 9/19![Avianca logo]()
$686
This British Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:25 pm -
1 stop13h 30m
Fri 10/306:30 am -
2 stops20h 27m
Deal found 9/23![British Airways logo]()
$738
This Iberia deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:35 pm -
1 stop15h 00m
Thu 11/510:45 am -
1 stop13h 15m
Deal found 9/21![Iberia logo]()
$682
This KLM deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:59 pm -
1 stop13h 41m
Thu 11/510:00 am -
2 stops17h 18m
Deal found 9/21![KLM logo]()
$713
This Expedia deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:10 pm -
1 stop12h 25m
Tue 11/38:25 am -
2 stops19h 34m
Deal found 9/21![British Airways logo]()
$702
One-way flights from Puerto Rico to LondonSearch for one-way flight options from Puerto Rico to London. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Puerto Rico to London. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Expedia deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/243:17 pm -
1 stop16h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Iberia logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:00 pm -
2 stops19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:15 am -
1 stop19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:10 pm -
2 stops17h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:10 pm -
2 stops21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:46 pm -
1 stop36h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:25 pm -
2 stops16h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![United Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:10 pm -
2 stops15h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$318
This Trip.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:20 am -
1 stop21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:59 pm -
2 stops17h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$320
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:05 am -
2 stops30h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:00 pm -
2 stops16h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Lufthansa logo]()
$323
Find flight deals from Puerto Rico to London
Keep the following information in mind while searching for Puerto Rico to London flight deals. Data was last updated September 23, 2026.
Round-trip from | $681 (Iberia) |
|---|---|
One-way from | $297 (Expedia) |
Popular in | June |
Cheapest in | February |
Average price | $785 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Puerto Rico to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Mon 10/5
12:53 pm-9:30 am
1 stop15h 37m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$306
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Mon 11/2
8:25 am-5:55 am
1 stop17h 30m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$306
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/18
7:00 am-6:20 am
1 stop19h 20m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$306
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/11
4:20 pm-11:40 am
1 stop15h 20m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$306
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Sun 11/15
2:05 am-9:20 pm
1 stop15h 15m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$306
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Mon 11/2
8:15 am-7:50 am
1 stop19h 35m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$306
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Tue 11/24
4:55 pm-8:35 pm
2 stops23h 40m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$306
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick
SJULGW
San Juan Luis Munoz Marin Intl
Tue 11/17
6:10 pm-3:45 pm
2 stops17h 35m
London Gatwick
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$306
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/25
8:25 am-6:40 am
2 stops18h 15m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$306
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick
SJULGW
San Juan Luis Munoz Marin Intl
Mon 11/16
2:10 pm-3:45 pm
2 stops21h 35m
London Gatwick
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$311
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to London
Have a flexible travel schedule? Discover the best time to fly to London from Puerto Rico with our price prediction graph.
SJU-LHR
SJU-LTN
SJU-LCY
SJU-LGW
SJU-STN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Puerto Rico to London
PR0-LON
SJU-LHR
SJU-LTN
SJU-LCY
SJU-LGW
What is the cheapest month to book a flight from Puerto Rico to London?
Currently, January is the cheapest month in which you can book a flight from Puerto Rico to London (average of $600). Flying from Puerto Rico to London in June is currently the most expensive (average of $1,219). 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.
How far ahead should I book a flight from Puerto Rico to London?
To ensure you get the cheapest price possible for a flight from Puerto Rico to London, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated September 23, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Puerto Rico to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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Alternative routes for Puerto Rico to London
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Complete your trip
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Search flights from Puerto Rico to London by cabin class
Find flights from Puerto Rico to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Puerto Rico and London flights
Browse other Puerto Rico and London flight options. Last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Puerto Rico to London
Discover the top 5 airlines that operate flights from Puerto Rico to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$600 | Average$962 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$670 | Average$1,050 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$676 | Average$881 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$745 | Average$1,001 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$767 | Average$1,015 | FlexibilityNo cancel fee | On-time77% |