$271+ Cheap flights from San Juan to Heathrow (LHR)
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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LHR
apr 28 — mai 51
Round-trip
1 adult, Economy
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Best
Last-minute
One-way
Cheapest flights from San Juan to HeathrowExplore the most affordable flight options available from San Juan to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on martie 29, 2026.
Explore the most affordable flight options available from San Juan to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on martie 29, 2026.
This KLM deal was found by Cheapflights users on 3/28. 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.
Mi 4/11:17 pm
SJU
- LHR
1 stop14h 33m
KLM
Du 4/511:15 am
LHR
- SJU
1 stop14h 03m
KLM
Deal found 3/28![KLM logo]()
$710
This Delta deal was found by Cheapflights users on 3/27. 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.
Jo 4/235:42 pm
SJU
- LHR
1 stop21h 28m
Delta
Sâ 5/92:45 pm
LHR
- SJU
2 stops26h 15m
Delta
Deal found 3/27![Delta logo]()
$713
This KLM deal was found by Cheapflights users on 3/28. 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.
Vi 9/111:32 pm
SJU
- LHR
1 stop15h 48m
KLM
Du 9/2011:20 am
LHR
- SJU
1 stop17h 24m
KLM
Deal found 3/28![KLM logo]()
$719
This KLM deal was found by Cheapflights users on 3/27. 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.
Jo 11/51:46 pm
SJU
- LHR
1 stop15h 14m
KLM
Ma 11/103:50 pm
LHR
- SJU
1 stop24h 55m
KLM
Deal found 3/27![KLM logo]()
$720
This Delta deal was found by Cheapflights users on 3/27. 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.
Jo 11/52:06 pm
SJU
- LHR
1 stop15h 14m
Delta
Lu 11/94:10 pm
LHR
- SJU
2 stops26h 10m
Delta
Deal found 3/27![Delta logo]()
$724
This KLM deal was found by Cheapflights users on 3/28. 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.
Jo 5/71:16 pm
SJU
- LHR
1 stop14h 34m
KLM
Du 5/2411:15 am
LHR
- SJU
1 stop16h 02m
KLM
Deal found 3/28![KLM logo]()
$740
This KLM deal was found by Cheapflights users on 3/28. 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.
Mi 8/121:35 pm
SJU
- LHR
1 stop15h 45m
KLM
Lu 8/179:20 am
LHR
- SJU
1 stop18h 03m
KLM
Deal found 3/28![KLM logo]()
$749
This Delta deal was found by Cheapflights users on 3/27. 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.
Mi 8/122:40 pm
SJU
- LHR
2 stops16h 25m
Delta
Lu 8/176:55 pm
LHR
- SJU
1 stop22h 21m
Delta
Deal found 3/27![Delta logo]()
$754
Best flights from San Juan to HeathrowDiscover carefully curated flight deals from San Juan to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated martie 29, 2026.
Discover carefully curated flight deals from San Juan to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated martie 29, 2026.
This KLM deal was found by Cheapflights users on 3/29. 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.
Vi 9/111:32 pm
SJU
- LHR
1 stop15h 48m
KLM
Du 9/2011:45 am
LHR
- SJU
1 stop16h 59m
KLM
Deal found 3/29![KLM logo]()
$719
This Delta deal was found by Cheapflights users on 3/29. 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.
Vi 9/117:00 am
SJU
- LHR
1 stop20h 50m
Delta
Du 9/206:35 pm
LHR
- SJU
2 stops26h 56m
Delta
Deal found 3/29![Delta logo]()
$724
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Mi 5/207:20 am
SJU
- LHR
2 stops18h 10m
United Airlines
Ma 6/98:00 am
LHR
- SJU
1 stop17h 34m
United Airlines
Deal found 3/24![United Airlines logo]()
$1,106
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Vi 8/141:26 pm
SJU
- LHR
1 stop16h 14m
Delta
Vi 8/284:20 pm
LHR
- SJU
2 stops26h 10m
Delta
Deal found 3/28![Delta logo]()
$921
This KLM deal was found by Cheapflights users on 3/28. 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.
Lu 6/11:16 pm
SJU
- LHR
1 stop16h 04m
KLM
Sâ 6/69:20 am
LHR
- SJU
1 stop16h 10m
KLM
Deal found 3/28![KLM logo]()
$995
This Delta deal was found by Cheapflights users on 3/24. 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.
Jo 4/302:45 pm
SJU
- LHR
2 stops16h 25m
Delta
Lu 5/118:40 am
LHR
- SJU
2 stops19h 55m
Delta
Deal found 3/24![Delta logo]()
$936
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Lu 7/67:20 am
SJU
- LHR
1 stop18h 35m
United Airlines
Lu 7/201:40 pm
LHR
- SJU
1 stop20h 49m
United Airlines
Deal found 3/28![United Airlines logo]()
$1,167
This Delta deal was found by Cheapflights users on 3/25. 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.
Mi 8/121:06 pm
SJU
- LHR
2 stops17h 59m
Delta
Lu 8/178:05 pm
LHR
- SJU
2 stops22h 25m
Delta
Deal found 3/25![Delta logo]()
$1,024
This Delta deal was found by Cheapflights users on 3/26. 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.
Du 7/55:56 pm
SJU
- LHR
2 stops15h 39m
Delta
Sâ 7/113:50 pm
LHR
- SJU
2 stops24h 56m
Delta
Deal found 3/26![Delta logo]()
$1,141
Last-minute flights from San Juan to HeathrowDiscover last-minute flight deals from San Juan to Heathrow. Data last updated martie 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Heathrow. Data last updated martie 29, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 3/28. 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.
Sâ 3/282:44 pm
SJU
- LHR
1 stop15h 36m
KLM
Du 4/511:15 am
LHR
- SJU
1 stop14h 03m
KLM
Deal found 3/28![KLM logo]()
$719
This KLM deal was found by Cheapflights users on 3/27. 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.
Ma 3/315:30 pm
SJU
- LHR
1 stop14h 45m
KLM
Ma 4/79:20 am
LHR
- SJU
1 stop18h 55m
KLM
Deal found 3/27![KLM logo]()
$720
This KLM deal was found by Cheapflights users on 3/28. 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.
Mi 4/11:17 pm
SJU
- LHR
1 stop14h 33m
KLM
Du 4/511:15 am
LHR
- SJU
1 stop14h 03m
KLM
Deal found 3/28![KLM logo]()
$710
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Ma 4/211:00 am
SJU
- LHR
1 stop14h 40m
United Airlines
Mi 4/296:55 am
LHR
- SJU
2 stops19h 29m
United Airlines
Deal found 3/24![United Airlines logo]()
$881
This Delta deal was found by Cheapflights users on 3/27. 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.
Mi 4/225:34 pm
SJU
- LHR
2 stops16h 01m
Delta
Mi 4/298:20 am
LHR
- SJU
2 stops19h 53m
Delta
Deal found 3/27![Delta logo]()
$724
This Expedia deal was found by Cheapflights users on 3/24. 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.
Mi 4/221:25 pm
SJU
- LHR
1 stop12h 25m
British Airways
Mi 4/2912:30 pm
LHR
- SJU
1 stop14h 35m
British Airways
Deal found 3/24![British Airways logo]()
$860
This Delta deal was found by Cheapflights users on 3/27. 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.
Jo 4/235:42 pm
SJU
- LHR
1 stop21h 28m
Delta
Sâ 5/92:45 pm
LHR
- SJU
2 stops26h 15m
Delta
Deal found 3/27![Delta logo]()
$713
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Mi 4/297:40 am
SJU
- LHR
2 stops18h 15m
United Airlines
Mi 5/66:50 am
LHR
- SJU
2 stops19h 34m
United Airlines
Deal found 3/25![United Airlines logo]()
$886
One-way flights from San Juan to HeathrowSearch for one-way flight options from San Juan to Heathrow. Find affordable one-way fares based on user searches. Data last updated martie 29, 2026.
Search for one-way flight options from San Juan to Heathrow. Find affordable one-way fares based on user searches. Data last updated martie 29, 2026.
This Delta deal was found by Cheapflights users on 3/27. 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.
Mi 4/226:15 am
SJU
- LHR
2 stops19h 55m
Delta
Deal found 3/27![Delta logo]()
$271
This Expedia deal was found by Cheapflights users on 3/24. 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.
Lu 8/176:00 am
SJU
- LHR
1 stop19h 50m
British Airways
Deal found 3/24![British Airways logo]()
$286
This Delta deal was found by Cheapflights users on 3/27. 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.
Du 5/175:43 pm
SJU
- LHR
2 stops15h 52m
Delta
Deal found 3/27![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Ma 8/117:20 am
SJU
- LHR
2 stops17h 35m
United Airlines
Deal found 3/24![United Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Vi 8/144:55 pm
SJU
- LHR
1 stop12h 45m
United Airlines
Deal found 3/24![United Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Mi 8/121:00 am
SJU
- LHR
2 stops24h 55m
United Airlines
Deal found 3/24![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Sâ 7/41:00 am
SJU
- LHR
1 stop14h 40m
United Airlines
Deal found 3/25![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 3/25. 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.
Du 7/55:56 pm
SJU
- LHR
2 stops15h 39m
Delta
Deal found 3/25![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Lu 8/172:25 pm
SJU
- LHR
2 stops17h 15m
American Airlines
Deal found 3/24![American Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Du 8/168:00 am
SJU
- LHR
1 stop23h 50m
American Airlines
Deal found 3/24![American Airlines logo]()
$386
This Trip.com deal was found by Cheapflights users on 3/25. 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.
Mi 6/101:27 pm
SJU
- LHR
1 stop12h 03m
TAP AIR PORTUGAL
Deal found 3/25![TAP AIR PORTUGAL logo]()
$391
Find flight deals from San Juan to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated martie 29, 2026.
Round-trip from | $713 (Delta) |
|---|---|
One-way from | $271 (Delta) |
Popular in | June |
Cheapest in | September |
Average price | $720 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Heathrow 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 martie 29, 2026.
Use the filters below to find and compare flights from San Juan to London Heathrow Airport 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
Vi 9/11
1:32 pm-10:20 am
1 stop15h 48m
London Heathrow
Du 9/20
11:45 am-11:44 pm
1 stop16h 59m
$719
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Vi 9/11
7:00 am-8:50 am
1 stop20h 50m
London Heathrow
Du 9/20
6:35 pm-4:31 pm
2 stops26h 56m
$724
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Vi 8/14
1:26 pm-10:40 am
1 stop16h 14m
London Heathrow
Vi 8/28
4:20 pm-1:30 pm
2 stops26h 10m
$921
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Jo 4/30
2:45 pm-12:10 pm
2 stops16h 25m
London Heathrow
Lu 5/11
8:40 am-11:35 pm
2 stops19h 55m
$936
Quickest round-trip
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Lu 6/1
1:16 pm-10:20 am
1 stop16h 04m
London Heathrow
Sâ 6/6
9:20 am-8:30 pm
1 stop16h 10m
$995
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Mi 8/12
1:06 pm-12:05 pm
2 stops17h 59m
London Heathrow
Lu 8/17
8:05 pm-1:30 pm
2 stops22h 25m
$1,024
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Mi 5/20
7:20 am-6:30 am
2 stops18h 10m
London Heathrow
Ma 6/9
8:00 am-8:34 pm
1 stop17h 34m
$1,106
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Du 7/5
5:56 pm-2:35 pm
2 stops15h 39m
London Heathrow
Sâ 7/11
3:50 pm-11:46 am
2 stops24h 56m
$1,141
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Lu 7/6
7:20 am-6:55 am
1 stop18h 35m
London Heathrow
Lu 7/20
1:40 pm-5:29 am
1 stop20h 49m
$1,167
Cheapest one-way
San JuanLondon
SJU - LHR
SJULHR
San Juan Luis Munoz Marin Intl
Mi 4/22
7:30 am-7:10 am
2 stops18h 40m
$271
Showing 1-10 of 17 resultsSorted by cheapest first
Best time to book a flight from San Juan to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Juan with our price prediction graph.
PR1-LHR
SJU-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 San Juan to London Heathrow Airport
PR1-LHR
SJU-LHR
How far ahead should I book a flight from San Juan to London Heathrow Airport?
Use this chart to determine the optimal time to book a round-trip flight from San Juan to Heathrow. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from San Juan to London Heathrow Airport, you should look to book at least 69 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.
What is the cheapest month to book a flight from San Juan to London Heathrow Airport?
Currently, September is the cheapest month in which you can book a flight from San Juan to London Heathrow Airport (average of $101). Flying from San Juan to London Heathrow Airport in June is currently the most expensive (average of $922). 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 much does it cost to fly round-trip from San Juan to London Heathrow Airport?
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated martie 29, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andJetBlue from San Juan to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Juan to Heathrow. 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 Heathrow Airport?
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Orpington
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Search flights from San Juan to Heathrow by cabin class
Find flights from San Juan to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on martie 29, 2026.
San Juan and Heathrow flights
Browse other San Juan and Heathrow flight options. Last updated on martie 29, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Juan to Heathrow
Discover the top 4 airlines that operate flights from San Juan to Heathrow. 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 martie 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$846 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$584 | Average$928 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$600 | Average$811 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$777 | FlexibilityNo cancel fee | On-time71% |