$307+ Cheap flights from Puerto Rico to London (LON)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LON
Jun 30 — Jul 71
Round-trip
1 adult, Economy
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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 May 31, 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 May 31, 2026.
This United Airlines deal was found by Cheapflights users on 5/29. 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 9/171:25 pm
SJU
- LHR
1 stop14h 55m
United Airlines
Sat 9/197:30 am
LHR
- SJU
2 stops21h 20m
United Airlines
Deal found 5/29![United Airlines logo]()
$806
This Orbitz deal was found by Cheapflights users on 5/31. 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.
Mon 9/1410:16 am
SJU
- LHR
1 stop17h 44m
Iberia
Wed 9/236:15 am
LHR
- SJU
1 stop14h 10m
Iberia
Deal found 5/31![Iberia logo]()
$808
This Iberia deal was found by Cheapflights users on 5/30. 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
SJU
- LGW
1 stop12h 40m
Iberia
Tue 11/2411:45 am
LGW
- SJU
1 stop12h 15m
Iberia
Deal found 5/30![Iberia logo]()
$810
This Iberia deal was found by Cheapflights users on 5/30. 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 11/119:35 pm
SJU
- LHR
1 stop16h 40m
Iberia
Tue 11/2410:05 am
LHR
- SJU
1 stop13h 55m
Iberia
Deal found 5/30![Iberia logo]()
$811
This Orbitz deal was found by Cheapflights users on 5/29. 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.
Wed 11/42:41 pm
SJU
- LHR
2 stops17h 24m
Iberia
Wed 11/117:35 am
LHR
- SJU
1 stop13h 05m
Iberia
Deal found 5/29![Iberia logo]()
$816
This American Airlines deal was found by Cheapflights users on 5/27. 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 11/112:05 pm
SJU
- LHR
1 stop15h 10m
American Airlines
Tue 11/2411:25 am
LHR
- SJU
1 stop12h 35m
American Airlines
Deal found 5/27![American Airlines logo]()
$817
This Travelocity deal was found by Cheapflights users on 5/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:37 pm
SJU
- LHR
1 stop15h 28m
Iberia
Fri 11/207:30 am
LHR
- SJU
2 stops19h 09m
Iberia
Deal found 5/29![Iberia logo]()
$818
This American Airlines deal was found by Cheapflights users on 5/31. 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.
Sun 9/206:27 am
SJU
- LGW
2 stops19h 28m
American Airlines
Wed 9/232:30 pm
LGW
- SJU
2 stops28h 24m
American Airlines
Deal found 5/31![American Airlines logo]()
$818
This Expedia deal was found by Cheapflights users on 5/31. 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.
Sun 9/205:15 pm
SJU
- LGW
1 stop12h 35m
Iberia
Wed 9/238:40 pm
LGW
- SJU
1 stop27h 10m
Iberia
Deal found 5/31![Iberia logo]()
$821
This KLM deal was found by Cheapflights users on 5/31. 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 11/112:05 pm
SJU
- LHR
1 stop16h 10m
KLM
Tue 11/248:40 am
LHR
- SJU
2 stops18h 33m
KLM
Deal found 5/31![KLM logo]()
$822
This KLM deal was found by Cheapflights users on 5/29. 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 11/113:35 pm
SJU
- LHR
2 stops18h 10m
Multiple Airlines
Tue 11/248:40 am
LHR
- SJU
2 stops18h 33m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$827
This British Airways deal was found by Cheapflights users on 5/31. 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 9/145:15 pm
SJU
- LGW
1 stop12h 35m
British Airways
Wed 9/238:40 pm
LGW
- SJU
1 stop23h 45m
British Airways
Deal found 5/31![British Airways logo]()
$829
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 May 31, 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 May 31, 2026.
This KLM deal was found by Cheapflights users on 5/31. 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 11/112:05 pm
SJU
- LHR
1 stop16h 10m
KLM
Tue 11/248:40 am
LHR
- SJU
2 stops18h 33m
KLM
Deal found 5/31![KLM logo]()
$822
This KLM deal was found by Cheapflights users on 5/31. 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 11/113:35 pm
SJU
- LHR
2 stops18h 10m
Multiple Airlines
Tue 11/248:40 am
LHR
- SJU
2 stops18h 33m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$827
This Delta deal was found by Cheapflights users on 5/31. 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 11/117:00 am
SJU
- LHR
2 stops21h 05m
Delta
Tue 11/243:50 pm
LHR
- SJU
2 stops26h 10m
Delta
Deal found 5/31![Delta logo]()
$856
This United Airlines deal was found by Cheapflights users on 5/26. 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 8/101:00 am
SJU
- LHR
1 stop28h 25m
United Airlines
Wed 8/197:30 am
LHR
- SJU
2 stops21h 20m
United Airlines
Deal found 5/26![United Airlines logo]()
$894
This British Airways deal was found by Cheapflights users on 5/29. 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 8/195:15 pm
SJU
- LGW
1 stop12h 35m
British Airways
Sun 8/238:40 pm
LGW
- SJU
1 stop23h 45m
British Airways
Deal found 5/29![British Airways logo]()
$904
This Trip.com deal was found by Cheapflights users on 5/26. 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.
Thu 6/258:25 pm
SJU
- LGW
1 stop18h 35m
Iberia
Thu 7/211:30 am
LGW
- SJU
1 stop12h 20m
Iberia
Deal found 5/26![Iberia logo]()
$917
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/27. 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.
Thu 11/57:00 am
SJU
- LGW
2 stops22h 50m
TAP AIR PORTUGAL
Tue 11/1010:40 am
LGW
- SJU
2 stops31h 23m
TAP AIR PORTUGAL
Deal found 5/27![TAP AIR PORTUGAL logo]()
$1,082
This Turkish Airlines deal was found by Cheapflights users on 5/30. 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 10/226:00 am
SJU
- LGW
2 stops22h 55m
Turkish Airlines
Sat 10/315:25 pm
LGW
- SJU
2 stops31h 20m
Turkish Airlines
Deal found 5/30![Turkish Airlines logo]()
$1,191
This JetBlue deal was found by Cheapflights users on 5/30. 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 7/164:55 pm
SJU
- LGW
1 stop11h 40m
JetBlue
Thu 7/3012:20 pm
LGW
- SJU
1 stop18h 39m
JetBlue
Deal found 5/30![JetBlue logo]()
$1,222
This Delta deal was found by Cheapflights users on 5/26. 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 10/111:06 pm
SJU
- LHR
1 stop13h 09m
Delta
Sat 10/178:05 pm
LHR
- SJU
2 stops25h 28m
Delta
Deal found 5/26![Delta logo]()
$901
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 8/115:15 pm
SJU
- LGW
2 stops35h 45m
Multiple Airlines
Wed 8/192:00 pm
LGW
- SJU
1 stop14h 29m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$910
This United Airlines deal was found by Cheapflights users on 5/30. 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.
Wed 10/211:00 am
SJU
- LHR
1 stop15h 20m
United Airlines
Sat 10/316:50 am
LHR
- SJU
2 stops20h 46m
United Airlines
Deal found 5/30![United Airlines logo]()
$911
This British Airways deal was found by Cheapflights users on 5/28. 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 9/112:58 pm
SJU
- LHR
1 stop13h 02m
British Airways
Sun 9/206:45 pm
LHR
- SJU
1 stop25h 40m
British Airways
Deal found 5/28![British Airways logo]()
$922
This KLM deal was found by Cheapflights users on 5/29. 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 8/195:49 pm
SJU
- LHR
1 stop14h 26m
KLM
Sun 8/239:20 am
LHR
- SJU
1 stop18h 09m
KLM
Deal found 5/29![KLM logo]()
$926
This KLM deal was found by Cheapflights users on 5/27. 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 8/125:49 pm
SJU
- LHR
1 stop14h 26m
KLM
Sun 8/1611:45 am
LHR
- SJU
2 stops17h 07m
KLM
Deal found 5/27![KLM logo]()
$929
This Delta deal was found by Cheapflights users on 5/27. 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 9/2412:58 pm
SJU
- LHR
2 stops16h 22m
Delta
Mon 9/288:05 pm
LHR
- SJU
2 stops22h 11m
Delta
Deal found 5/27![Delta logo]()
$946
This British Airways deal was found by Cheapflights users on 5/29. 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 7/155:15 pm
SJU
- LGW
1 stop12h 35m
British Airways
Wed 8/1211:30 am
LGW
- SJU
1 stop12h 20m
British Airways
Deal found 5/29![British Airways logo]()
$967
This Turkish Airlines deal was found by Cheapflights users on 5/31. 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.
Fri 9/1110:30 am
SJU
- LGW
2 stops25h 15m
Multiple Airlines
Sun 9/205:35 pm
LGW
- SJU
2 stops30h 57m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,186
This Turkish Airlines deal was found by Cheapflights users on 5/29. 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 8/123:10 pm
SJU
- LGW
2 stops26h 20m
Multiple Airlines
Mon 8/1710:50 am
LGW
- SJU
2 stops26h 57m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$1,231
This Air Europa deal was found by Cheapflights users on 5/31. 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 Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:19 pm
SJU
- LGW
2 stops22h 06m
Multiple Airlines
Fri 8/2810:00 am
LGW
- SJU
2 stops35h 33m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,281
This United Airlines deal was found by Cheapflights users on 5/31. 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 9/2211:51 am
VQS
- LHR
2 stops18h 44m
United Airlines
Thu 9/244:00 pm
LHR
- VQS
2 stops31h 30m
United Airlines
Deal found 5/31![United Airlines logo]()
$10,371
This United Airlines deal was found by Cheapflights users on 5/27. 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 9/197:30 am
VQS
- LHR
2 stops19h 50m
United Airlines
Tue 9/229:30 am
LHR
- VQS
2 stops38h 00m
United Airlines
Deal found 5/27![United Airlines logo]()
$10,623
Last-minute flights from Puerto Rico to LondonDiscover last-minute flight deals from Puerto Rico to London. Data last updated May 31, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to London. Data last updated May 31, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 5/291:00 am
SJU
- LHR
1 stop14h 40m
United Airlines
Tue 10/206:50 am
LHR
- SJU
2 stops22h 00m
United Airlines
Deal found 5/29![United Airlines logo]()
$1,006
This Iberia deal was found by Cheapflights users on 5/27. 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.
Fri 6/58:40 pm
SJU
- LGW
1 stop18h 20m
Iberia
Sun 6/1411:30 am
LGW
- SJU
1 stop12h 30m
Iberia
Deal found 5/27![Iberia logo]()
$1,025
This Iberia deal was found by Cheapflights users on 5/31. 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 6/95:25 pm
SJU
- LGW
1 stop21h 35m
Iberia
Fri 6/1911:30 am
LGW
- SJU
1 stop12h 20m
Iberia
Deal found 5/31![Iberia logo]()
$1,024
This Iberia deal was found by Cheapflights users on 5/31. 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 6/95:25 pm
SJU
- LHR
1 stop12h 10m
Iberia
Fri 6/1911:30 am
LHR
- SJU
1 stop12h 20m
Iberia
Deal found 5/31![Iberia logo]()
$1,025
This Trip.com deal was found by Cheapflights users on 5/27. 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.
Mon 6/151:25 pm
SJU
- LHR
1 stop12h 50m
Lufthansa
Mon 6/227:45 am
LHR
- SJU
1 stop21h 05m
Lufthansa
Deal found 5/27![Lufthansa logo]()
$1,018
This Trip.com deal was found by Cheapflights users on 5/27. 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.
Mon 6/155:25 pm
SJU
- LHR
1 stop17h 55m
Iberia
Mon 6/297:10 pm
LHR
- SJU
1 stop25h 15m
Iberia
Deal found 5/27![Iberia logo]()
$1,021
This Trip.com deal was found by Cheapflights users on 5/26. 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.
Thu 6/258:25 pm
SJU
- LGW
1 stop18h 35m
Iberia
Thu 7/211:30 am
LGW
- SJU
1 stop12h 20m
Iberia
Deal found 5/26![Iberia logo]()
$917
This Trip.com deal was found by Cheapflights users on 5/26. 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.
Thu 6/258:25 pm
SJU
- LHR
1 stop17h 45m
Iberia
Thu 7/211:30 am
LHR
- SJU
1 stop12h 20m
Iberia
Deal found 5/26![Iberia logo]()
$918
This Trip.com deal was found by Cheapflights users on 5/27. 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 6/268:25 pm
SJU
- LHR
1 stop16h 50m
Iberia
Thu 7/911:30 am
LHR
- SJU
1 stop12h 20m
Iberia
Deal found 5/27![Iberia logo]()
$923
This Trip.com deal was found by Cheapflights users on 5/26. 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 6/305:15 pm
SJU
- LHR
1 stop19h 00m
Iberia
Wed 7/157:10 pm
LHR
- SJU
1 stop28h 40m
Iberia
Deal found 5/26![Iberia logo]()
$930
This Trip.com deal was found by Cheapflights users on 5/30. 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 6/305:15 pm
SJU
- LGW
1 stop21h 45m
Iberia
Tue 7/78:40 pm
LGW
- SJU
1 stop23h 45m
Iberia
Deal found 5/30![Iberia logo]()
$931
This Trip.com deal was found by Cheapflights users on 5/30. 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 6/305:15 pm
SJU
- LHR
1 stop12h 20m
Iberia
Tue 7/73:50 pm
LHR
- SJU
1 stop28h 35m
Iberia
Deal found 5/30![Iberia logo]()
$932
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 May 31, 2026.
Search for one-way flight options from Puerto Rico to London. Find affordable one-way fares based on user searches. Data last updated May 31, 2026.
This United Airlines deal was found by Cheapflights users on 5/31. 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 11/161:00 pm
SJU
- LHR
2 stops17h 50m
United Airlines
Deal found 5/31![United Airlines logo]()
$307
This KLM deal was found by Cheapflights users on 5/28. 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 11/172:05 pm
SJU
- LHR
1 stop14h 00m
KLM
Deal found 5/28![KLM logo]()
$308
This KLM deal was found by Cheapflights users on 5/28. 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 11/112:05 pm
SJU
- LHR
1 stop16h 10m
KLM
Deal found 5/28![KLM logo]()
$311
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Mon 11/166:10 pm
SJU
- LGW
1 stop12h 40m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 5/27. 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 7/267:20 am
SJU
- LHR
1 stop18h 35m
United Airlines
Deal found 5/27![United Airlines logo]()
$381
This KLM deal was found by Cheapflights users on 5/29. 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.
Fri 11/202:05 pm
SJU
- LHR
1 stop16h 10m
KLM
Deal found 5/29![KLM logo]()
$427
This Air Canada deal was found by Cheapflights users on 5/29. 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.
Fri 11/208:30 am
SJU
- LHR
2 stops20h 00m
Air Canada
Deal found 5/29![Air Canada logo]()
$435
This Delta deal was found by Cheapflights users on 5/29. 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.
Fri 8/147:00 am
SJU
- LHR
2 stops19h 10m
Delta
Deal found 5/29![Delta logo]()
$436
This American Airlines deal was found by Cheapflights users on 5/30. 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 7/111:56 am
SJU
- LHR
1 stop13h 59m
American Airlines
Deal found 5/30![American Airlines logo]()
$440
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/28. 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 11/177:00 am
SJU
- LGW
2 stops28h 45m
TAP AIR PORTUGAL
Deal found 5/28![TAP AIR PORTUGAL logo]()
$470
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/29. 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.
Fri 11/203:35 pm
SJU
- LGW
2 stops36h 45m
TAP AIR PORTUGAL
Deal found 5/29![TAP AIR PORTUGAL logo]()
$486
This Expedia deal was found by Cheapflights users on 5/28. 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 6/96:30 am
SJU
- LHR
2 stops30h 15m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$511
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 May 31, 2026.
Round-trip from | $806 (United Airlines) |
|---|---|
One-way from | $307 (United Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $890 |
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 2,558,603 searches. Data last updated May 31, 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 - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/11
2:05 pm-10:15 am
1 stop16h 10m
London Heathrow
Tue 11/24
8:40 am-11:13 pm
2 stops18h 33m
$822
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/11
3:35 pm-1:45 pm
2 stops18h 10m
London Heathrow
Tue 11/24
8:40 am-11:13 pm
2 stops18h 33m
$827
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/11
7:00 am-8:05 am
2 stops21h 05m
London Heathrow
Tue 11/24
3:50 pm-2:00 pm
2 stops26h 10m
$856
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Mon 8/10
1:00 am-10:25 am
1 stop28h 25m
London Heathrow
Wed 8/19
7:30 am-11:50 pm
2 stops21h 20m
$894
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Sun 10/11
1:06 pm-7:15 am
1 stop13h 09m
London Heathrow
Sat 10/17
8:05 pm-4:33 pm
2 stops25h 28m
$901
San JuanLondon
SJU - LGW
SJULGW
San Juan Luis Munoz Marin Intl
Wed 8/19
5:15 pm-10:50 am
1 stop12h 35m
London Gatwick
Sun 8/23
8:40 pm-3:25 pm
1 stop23h 45m
$904
San JuanLondon
SJU - LGW
SJULGW
San Juan Luis Munoz Marin Intl
Tue 8/11
5:15 pm-10:00 am
2 stops35h 45m
London Gatwick
Wed 8/19
2:00 pm-11:29 pm
1 stop14h 29m
$910
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Wed 10/21
1:00 am-9:20 pm
1 stop15h 20m
London Heathrow
Sat 10/31
6:50 am-11:36 pm
2 stops20h 46m
$911
San JuanLondon
SJU - LGW
SJULGW
San Juan Luis Munoz Marin Intl
Thu 6/25
8:25 pm-8:00 pm
1 stop18h 35m
London Gatwick
Thu 7/2
11:30 am-6:50 pm
1 stop12h 20m
$917
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Fri 9/11
2:58 pm-9:00 am
1 stop13h 02m
London Heathrow
Sun 9/20
6:45 pm-3:25 pm
1 stop25h 40m
$922
Showing 1-10 of 34 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-LGW
SJU-LHR
VQS-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-LGW
SJU-LHR
VQS-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 $101). Flying from Puerto Rico to London in June is currently the most expensive (average of $817). 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 85 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 May 31, 2026.
See what other customers who have flown with Delta,United Airlines, andJetBlue 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
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.8
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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Browse thousands of different options on Cheapflights for your next trip
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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
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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 May 31, 2026.
Puerto Rico and London flights
Browse other Puerto Rico and London flight options. Last updated on May 31, 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 2,558,603 searches. Data last updated May 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$865 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$551 | Average$817 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$584 | Average$865 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$605 | Average$941 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$684 | Average$1,015 | FlexibilityNo cancel fee | On-time77% |