$276+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LON
Dec 14 — Dec 211
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 November 14, 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 November 14, 2026.
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/14:55 pm -
1 stop35h 00m
Fri 12/46:50 am -
2 stops34h 42m
Deal found 11/10![United Airlines logo]()
$691
This Avianca deal was found by Cheapflights users on 11/10. 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.
Wed 11/116:20 pm -
1 stop16h 15m
Tue 11/249:35 pm -
1 stop23h 20m
Deal found 11/10![Avianca logo]()
$726
This Avianca deal was found by Cheapflights users on 11/11. 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 11/176:20 pm -
1 stop16h 15m
Fri 11/279:35 pm -
1 stop17h 50m
Deal found 11/11![Avianca logo]()
$727
This Avianca deal was found by Cheapflights users on 11/12. 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.
Fri 11/136:20 pm -
1 stop16h 15m
Wed 11/259:35 pm -
1 stop23h 20m
Deal found 11/12![Avianca logo]()
$728
This Avianca deal was found by Cheapflights users on 11/9. 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.
Fri 11/136:20 pm -
1 stop16h 15m
Wed 11/189:35 pm -
1 stop23h 20m
Deal found 11/9![Avianca logo]()
$729
This Avianca deal was found by Cheapflights users on 11/14. 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 12/296:20 pm -
1 stop16h 15m
Tue 1/59:35 pm -
1 stop23h 20m
Deal found 11/14![Avianca logo]()
$735
This Avianca deal was found by Cheapflights users on 11/12. 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 11/226:20 pm -
1 stop16h 15m
Sun 11/299:35 pm -
1 stop23h 20m
Deal found 11/12![Avianca logo]()
$740
This Avianca deal was found by Cheapflights users on 11/14. 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.
Mon 11/236:20 pm -
1 stop16h 15m
Sun 11/299:35 pm -
1 stop23h 20m
Deal found 11/14![Avianca logo]()
$772
This Expedia deal was found by Cheapflights users on 11/10. 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 12/86:10 pm -
1 stop12h 40m
Tue 12/1511:35 am -
1 stop12h 25m
Deal found 11/10![Iberia logo]()
$809
This Orbitz deal was found by Cheapflights users on 11/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:35 pm -
1 stop17h 25m
Sun 12/67:40 pm -
1 stop25h 00m
Deal found 11/12![Iberia logo]()
$821
This Air France deal was found by Cheapflights users on 11/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:10 pm -
2 stops17h 35m
Tue 11/2410:00 am -
2 stops17h 54m
Deal found 11/10![Air France logo]()
$830
This Expedia deal was found by Cheapflights users on 11/10. 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 12/86:10 pm -
1 stop15h 50m
Tue 12/158:50 am -
1 stop15h 10m
Deal found 11/10![Iberia logo]()
$830
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 November 14, 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 November 14, 2026.
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/172:05 am -
1 stop26h 20m
Tue 11/246:50 am -
2 stops35h 50m
Deal found 11/9![United Airlines logo]()
$821
This Expedia deal was found by Cheapflights users on 11/13. 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.
Thu 1/286:01 am -
1 stop23h 29m
Sun 1/317:45 am -
1 stop19h 40m
Deal found 11/13![JetBlue logo]()
$834
This Air Canada deal was found by Cheapflights users on 11/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/271:09 am -
2 stops26h 01m
Sun 1/319:00 am -
2 stops42h 57m
Deal found 11/13![Air Canada logo]()
$870
This Delta deal was found by Cheapflights users on 11/13. 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 12/132:53 pm -
1 stop15h 02m
Sun 12/205:20 pm -
1 stop23h 02m
Deal found 11/13![Delta logo]()
$884
This KLM deal was found by Cheapflights users on 11/14. 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 11/176:10 pm -
2 stops17h 35m
Sat 11/2810:00 am -
2 stops17h 54m
Deal found 11/14![Multiple Airlines logo]()
$993
This British Airways deal was found by Cheapflights users on 11/10. 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.
Sat 12/56:10 pm -
1 stop12h 40m
Sat 12/1211:35 am -
1 stop12h 25m
Deal found 11/10![British Airways logo]()
$1,163
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/12. 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 1/66:01 am -
2 stops23h 49m
Mon 1/119:35 pm -
3 stops41h 54m
Deal found 11/12![TAP AIR PORTUGAL logo]()
$1,579
This United Airlines deal was found by Cheapflights users on 11/14. 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 5/112:15 am -
2 stops25h 30m
Sun 5/96:50 am -
2 stops21h 19m
Deal found 11/14![United Airlines logo]()
$826
This KLM deal was found by Cheapflights users on 11/13. 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.
Sun 11/226:10 pm -
2 stops17h 35m
Mon 11/3010:00 am -
2 stops17h 54m
Deal found 11/13![Multiple Airlines logo]()
$1,029
This United Airlines deal was found by Cheapflights users on 11/12. 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 2/62:05 am -
2 stops25h 05m
Thu 2/116:50 am -
2 stops19h 32m
Deal found 11/12![United Airlines logo]()
$950
This Delta deal was found by Cheapflights users on 11/12. 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 12/137:00 am -
2 stops20h 05m
Thu 12/178:10 pm -
1 stop24h 44m
Deal found 11/12![Delta logo]()
$1,103
This JetBlue deal was found by Cheapflights users on 11/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:30 am -
1 stop12h 10m
Sat 11/288:05 am -
1 stop14h 45m
Deal found 11/11![JetBlue logo]()
$1,185
This Delta deal was found by Cheapflights users on 11/11. 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 12/246:30 am -
2 stops21h 15m
Wed 12/3010:50 am -
1 stop16h 20m
Deal found 11/11![Delta logo]()
$1,111
This United Airlines deal was found by Cheapflights users on 11/14. 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 12/215:50 pm -
1 stop32h 50m
Wed 1/61:30 pm -
2 stops36h 52m
Deal found 11/14![United Airlines logo]()
$1,043
This British Airways deal was found by Cheapflights users on 11/12. 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 2/48:15 am -
2 stops32h 20m
Mon 2/87:15 pm -
1 stop28h 45m
Deal found 11/12![British Airways logo]()
$1,265
This British Airways deal was found by Cheapflights users on 11/13. 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 12/286:10 pm -
1 stop12h 25m
Tue 1/57:30 am -
2 stops19h 02m
Deal found 11/13![British Airways logo]()
$1,282
This Mytrip deal was found by Cheapflights users on 11/14. 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.
Mon 12/214:35 pm -
3 stops35h 15m
Wed 1/68:15 am -
2 stops34h 55m
Deal found 11/14![Multiple Airlines logo]()
$1,292
This United Airlines deal was found by Cheapflights users on 11/10. 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 11/238:05 am -
1 stop18h 35m
Mon 11/307:30 am -
2 stops21h 06m
Deal found 11/10![United Airlines logo]()
$1,124
This KLM deal was found by Cheapflights users on 11/14. 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.
Thu 11/196:10 pm -
2 stops17h 35m
Sat 11/2810:00 am -
2 stops17h 54m
Deal found 11/14![Multiple Airlines logo]()
$1,358
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/262:52 pm -
1 stop14h 18m
Mon 11/307:30 am -
2 stops21h 06m
Deal found 11/11![United Airlines logo]()
$1,125
This British Airways deal was found by Cheapflights users on 11/9. 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 12/309:35 pm -
1 stop12h 25m
Fri 1/87:40 am -
2 stops19h 00m
Deal found 11/9![British Airways logo]()
$1,374
This British Airways deal was found by Cheapflights users on 11/9. 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 11/189:35 pm -
1 stop12h 25m
Tue 11/248:50 am -
2 stops19h 07m
Deal found 11/9![British Airways logo]()
$1,381
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/12. 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 1/610:43 am -
2 stops24h 22m
Sun 1/109:05 am -
3 stops29h 19m
Deal found 11/12![TAP AIR PORTUGAL logo]()
$1,859
This Justfly.com deal was found by Cheapflights users on 11/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:35 pm -
1 stop12h 25m
Mon 11/308:50 am -
1 stop15h 10m
Deal found 11/12![Multiple Airlines logo]()
$1,429
This Turkish Airlines deal was found by Cheapflights users on 11/12. 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.
Wed 12/305:15 am -
2 stops23h 55m
Fri 1/85:25 pm -
2 stops30h 25m
Deal found 11/12![Multiple Airlines logo]()
$1,789
This British Airways deal was found by Cheapflights users on 11/14. 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 12/156:10 pm -
1 stop12h 40m
Wed 12/2311:35 am -
1 stop12h 25m
Deal found 11/14![British Airways logo]()
$1,827
This British Airways deal was found by Cheapflights users on 11/12. 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 11/199:35 pm -
1 stop17h 25m
Sat 11/287:40 pm -
1 stop28h 20m
Deal found 11/12![British Airways logo]()
$1,889
This British Airways deal was found by Cheapflights users on 11/14. 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 11/269:35 pm -
1 stop12h 25m
Mon 11/308:50 am -
2 stops19h 07m
Deal found 11/14![British Airways logo]()
$2,294
This British Airways deal was found by Cheapflights users on 11/14. 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 12/2110:27 am -
2 stops18h 23m
Wed 1/67:40 am -
1 stop13h 00m
Deal found 11/14![British Airways logo]()
$2,311
This British Airways deal was found by Cheapflights users on 11/12. 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 12/1111:34 am -
2 stops17h 16m
Thu 12/177:40 am -
1 stop13h 00m
Deal found 11/12![British Airways logo]()
$2,328
Last-minute flights from Puerto Rico to LondonDiscover last-minute flight deals from Puerto Rico to London. Data last updated November 14, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to London. Data last updated November 14, 2026 and is based on user searches.
This Avianca deal was found by Cheapflights users on 11/12. 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.
Fri 11/136:20 pm -
1 stop16h 15m
Wed 11/259:35 pm -
1 stop23h 20m
Deal found 11/12![Avianca logo]()
$728
This Avianca deal was found by Cheapflights users on 11/9. 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.
Fri 11/136:20 pm -
1 stop16h 15m
Wed 11/189:35 pm -
1 stop23h 20m
Deal found 11/9![Avianca logo]()
$729
This Air France deal was found by Cheapflights users on 11/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:10 pm -
2 stops17h 35m
Wed 11/2510:00 am -
2 stops17h 54m
Deal found 11/12![Air France logo]()
$831
This Avianca deal was found by Cheapflights users on 11/14. 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 11/176:20 pm -
1 stop16h 15m
Fri 11/279:35 pm -
1 stop23h 20m
Deal found 11/14![Avianca logo]()
$726
This Avianca deal was found by Cheapflights users on 11/12. 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 11/226:20 pm -
1 stop16h 15m
Sun 11/299:35 pm -
1 stop23h 20m
Deal found 11/12![Avianca logo]()
$740
This Avianca deal was found by Cheapflights users on 11/14. 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.
Mon 11/236:20 pm -
1 stop16h 15m
Sun 11/299:35 pm -
1 stop23h 20m
Deal found 11/14![Avianca logo]()
$772
This Avianca deal was found by Cheapflights users on 11/13. 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 11/2612:50 pm -
1 stop21h 45m
Mon 11/309:35 pm -
1 stop23h 20m
Deal found 11/13![Avianca logo]()
$773
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/14:55 pm -
1 stop35h 00m
Fri 12/46:50 am -
2 stops34h 42m
Deal found 11/10![United Airlines logo]()
$691
This Orbitz deal was found by Cheapflights users on 11/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:35 pm -
1 stop17h 25m
Sun 12/67:40 pm -
1 stop25h 00m
Deal found 11/12![Iberia logo]()
$821
This Expedia deal was found by Cheapflights users on 11/10. 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 12/86:10 pm -
1 stop12h 40m
Tue 12/1511:35 am -
1 stop12h 25m
Deal found 11/10![Iberia logo]()
$809
This Expedia deal was found by Cheapflights users on 11/10. 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 12/86:10 pm -
1 stop15h 50m
Tue 12/158:50 am -
1 stop15h 10m
Deal found 11/10![Iberia logo]()
$830
This Avianca deal was found by Cheapflights users on 11/14. 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 12/296:20 pm -
1 stop16h 15m
Tue 1/59:35 pm -
1 stop23h 20m
Deal found 11/14![Avianca logo]()
$735
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 November 14, 2026.
Search for one-way flight options from Puerto Rico to London. Find affordable one-way fares based on user searches. Data last updated November 14, 2026.
This deal was found by Cheapflights users on 11/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/121:54 pm -
1 stop15h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![JetBlue logo]()
$276
This Justfly.com deal was found by Cheapflights users on 11/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:20 pm -
1 stop16h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Avianca logo]()
$309
This deal was found by Cheapflights users on 11/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/92:05 am -
1 stop15h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![United Airlines logo]()
$311
This Trip.com deal was found by Cheapflights users on 11/13. 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.
Sun 12/1310:26 am -
1 stop21h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![Iberia logo]()
$322
This Trip.com deal was found by Cheapflights users on 11/14. 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.
Tue 12/157:20 am -
1 stop24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/14![Iberia logo]()
$328
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/122:05 am -
2 stops25h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![United Airlines logo]()
$346
This Avianca deal was found by Cheapflights users on 11/14. 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.
Wed 11/186:20 pm -
1 stop16h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/14![Avianca logo]()
$347
This JetBlue deal was found by Cheapflights users on 11/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:55 pm -
1 stop15h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![JetBlue logo]()
$389
This Justfly.com deal was found by Cheapflights users on 11/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:00 pm -
1 stop25h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![JetBlue logo]()
$400
This deal was found by Cheapflights users on 11/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:10 pm -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Iberia logo]()
$423
This deal was found by Cheapflights users on 11/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/156:10 pm -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Iberia logo]()
$430
This deal was found by Cheapflights users on 11/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:10 pm -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Iberia logo]()
$435
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 November 14, 2026.
Round-trip from | $690 (United Airlines) |
|---|---|
One-way from | $276 |
Popular in | June |
Cheapest in | February |
Average price | $845 |
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 November 14, 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
Sat 12/12
2:05 am-7:55 am
2 stops25h 50m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$346
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/18
1:55 pm-9:30 am
1 stop15h 35m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$389
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/18
6:20 pm-2:35 pm
1 stop16h 15m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$420
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Tue 11/17
8:05 am-6:20 am
2 stops18h 15m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$420
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/18
2:05 am-9:20 pm
1 stop15h 15m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$421
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Tue 11/17
7:00 am-9:25 am
1 stop22h 25m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$424
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/18
5:50 pm-8:35 pm
2 stops22h 45m
London Heathrow
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$424
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick
SJULGW
San Juan Luis Munoz Marin Intl
Sun 1/10
6:10 pm-10:50 am
1 stop12h 40m
London Gatwick
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$473
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick
SJULGW
San Juan Luis Munoz Marin Intl
Sun 12/13
6:20 pm-9:10 pm
2 stops22h 50m
London Gatwick
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$475
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick
SJULGW
San Juan Luis Munoz Marin Intl
Tue 11/17
6:40 pm-9:25 am
3 stops34h 45m
London Gatwick
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$481
Showing 1-10 of 53 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-LGW
SJU-LCY
BQN-LHR
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-LGW
SJU-LCY
BQN-LHR
What is the cheapest month to book a flight from Puerto Rico to London?
Currently, February is the cheapest month in which you can book a flight from Puerto Rico to London (average of $764). Flying from Puerto Rico to London in June is currently the most expensive (average of $1,214). 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 78 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 November 14, 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.
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
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
Wembley
Harrow
Southend-on-Sea
Basingstoke
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Watford
Stansted
Sutton
Luton
Bedford
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
London flight routes
Other flight options
Popular flights
Alternative routes for Puerto Rico to London
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.
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 November 14, 2026.
Puerto Rico and London flights
Browse other Puerto Rico and London flight options. Last updated on November 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Puerto Rico to London
Discover the top 6 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 November 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$605 | Average$824 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$649 | Average$987 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$676 | Average$865 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$713 | Average$1,052 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$767 | Average$810 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$791 | Average$1,001 | FlexibilityNo cancel fee | On-time62% |