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Cheap flights from London Heathrow Airport to San Juan from £315

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — SJU
23 Apr — 30 Apr1
1 adult
Tue 23/4
Tue 30/4

The best prices from London Heathrow to San Juan are usually found in November or February, booked 42 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Heathrow to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to San Juan (PR1). 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 18 April 2024.

Popular in

August

Cheapest in

November

Average price

£686

Round-trip from

£470
High demand for flights, 32% potential price rise
Best time to find cheap flights, 23% potential price drop
Average for round-trip flights in April 2024
From London Heathrow to San Juan

What is the cheapest day to fly round-trip from London Heathrow Airport to San Juan?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Juan. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from London Heathrow Airport to San Juan?

To save on the cost of your flight from London Heathrow Airport to San Juan, book at least 34 days before your planned departure. Booking around this time can save you about 28% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £594 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £666.

What is the cheapest month to fly from London Heathrow Airport to San Juan?

Our data shows that February tends to be the cheapest month to fly to San Juan from London Heathrow Airport. Users have commonly found prices around £655 for the month, but tickets can be as low as £416. Due to multiple factors, prepare for potentially higher prices in August.

When is the cheapest time to fly from London Heathrow Airport to San Juan (LHR - SJU)?

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to San Juan in the morning. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the afternoon.

Cheap JetBlue flights from Heathrow to San Juan

Explore cheap flight options specifically provided by JetBlue for the route between Heathrow and San Juan. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 895,763 searches. Data last updated 18 April 2024.
Consider these cheap JetBlue flights we've found departing from London to San Juan. Come back soon if you're not finding the exact deal you're looking for.
Mon 16/907:25LHR - SJU
1 stop13h 52mJetBlue
Sun 29/920:00SJU - LHR
1 stop19h 45mJetBlue
Deal found 17/4£524
Mon 20/507:25LHR - SJU
1 stop18h 45mJetBlue
Mon 3/606:02SJU - LHR
1 stop19h 28mJetBlue
Deal found 17/4£527
Fri 20/907:25LHR - SJU
1 stop13h 52mJetBlue
Mon 30/920:00SJU - LHR
1 stop19h 45mJetBlue
Deal found 17/4£533
Mon 20/507:25LHR - SJU
1 stop17h 05mJetBlue
Fri 31/507:48SJU - LHR
1 stop20h 42mJetBlue
Deal found 17/4£540
Mon 17/611:55LHR - SJU
1 stop16h 04mJetBlue
Wed 26/620:45SJU - LHR
1 stop19h 00mJetBlue
Deal found 17/4£544
Mon 13/507:25LHR - SJU
1 stop18h 45mJetBlue
Sun 19/506:02SJU - LHR
1 stop19h 28mJetBlue
Deal found 17/4£559
Sun 16/611:55LHR - SJU
1 stop20h 02mJetBlue
Tue 25/620:45SJU - LHR
1 stop19h 00mJetBlue
Deal found 17/4£586
Fri 26/407:25LHR - SJU
1 stop20h 28mJetBlue
Wed 1/510:56SJU - LHR
1 stop14h 34mJetBlue
Deal found 16/4£594
Fri 26/407:25LHR - SJU
1 stop20h 28mJetBlue
Tue 30/403:34SJU - LHR
1 stop12h 11mJetBlue
Deal found 16/4£637

Cheap Finnair flights from Heathrow to San Juan

Explore cheap flight options specifically provided by Finnair for the route between Heathrow and San Juan. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 895,763 searches. Data last updated 18 April 2024.
Browse through some of the cheapest Finnair flights travelling from London to San Juan. Deals frequently update to provide users with more options.
Tue 7/511:30LHR - SJU
1 stop12h 15mFinnair
Tue 14/518:49SJU - LHR
1 stop33h 36mFinnair
Deal found 17/4£561
Mon 6/509:15LHR - SJU
1 stop14h 30mFinnair
Mon 20/513:39SJU - LHR
1 stop16h 11mFinnair
Deal found 17/4£572
Fri 20/909:15LHR - SJU
2 stops15h 56mFinnair
Mon 30/915:54SJU - LHR
1 stop12h 11mFinnair
Deal found 17/4£597
Mon 6/506:35LHR - SJU
2 stops17h 10mFinnair
Mon 20/513:39SJU - LHR
1 stop16h 11mFinnair
Deal found 17/4£626
Wed 22/510:50LHR - SJU
1 stop12h 55mFinnair
Sat 1/606:30SJU - LHR
1 stop21h 55mFinnair
Deal found 17/4£689
Thu 23/509:15LHR - SJU
1 stop14h 17mFinnair
Sun 2/618:49SJU - LHR
1 stop33h 36mFinnair
Deal found 17/4£701
Wed 22/506:10LHR - SJU
2 stops17h 35mFinnair
Sat 1/611:55SJU - LHR
1 stop16h 30mFinnair
Deal found 17/4£786
Mon 22/714:10LHR - SJU
1 stop27h 34mFinnair
Mon 16/920:20SJU - LHR
1 stop12h 10mFinnair
Deal found 17/4£802
Tue 6/809:15LHR - SJU
1 stop14h 05mFinnair
Tue 13/814:09SJU - LHR
1 stop14h 16mFinnair
Deal found 17/4£942

Cheap Heathrow to San Juan flights in April & May 2024

Find cheap flight options from Heathrow to San Juan specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 895,763 searches. Prices were last updated on 18 April 2024.
The lowest fares we've come across on flights travelling from London to San Juan in April and May 2024. More deals are always being added, so be sure to check back regularly.
Mon 20/507:25LHR - SJU
1 stop17h 05mJetBlue
Thu 30/507:48SJU - LHR
1 stop20h 42mJetBlue
Deal found 17/4£527
Mon 20/507:25LHR - SJU
1 stop17h 05mJetBlue
Fri 31/507:48SJU - LHR
1 stop20h 42mJetBlue
Deal found 17/4£540
Mon 13/507:25LHR - SJU
1 stop18h 45mJetBlue
Sun 19/506:02SJU - LHR
1 stop19h 28mJetBlue
Deal found 17/4£559
Tue 7/511:30LHR - SJU
1 stop12h 15mFinnair
Tue 14/518:49SJU - LHR
1 stop33h 36mFinnair
Deal found 17/4£561
Mon 6/509:15LHR - SJU
1 stop14h 30mFinnair
Mon 20/513:39SJU - LHR
1 stop16h 11mFinnair
Deal found 17/4£572
Tue 21/507:25LHR - SJU
1 stop24h 07mIcelandair
Thu 30/507:48SJU - LHR
1 stop31h 57mIcelandair
Deal found 17/4£574
Mon 13/507:25LHR - SJU
1 stop17h 05mJetBlue
Sun 19/506:02SJU - LHR
1 stop19h 28mJetBlue
Deal found 18/4£587
Fri 26/407:25LHR - SJU
1 stop20h 28mJetBlue
Wed 1/510:56SJU - LHR
1 stop14h 34mJetBlue
Deal found 16/4£594
Sat 18/507:25LHR - SJU
1 stop18h 45mJetBlue
Sat 25/506:02SJU - LHR
1 stop19h 28mJetBlue
Deal found 18/4£600

Heathrow to San Juan 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and San Juan in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 895,763 searches. Data last updated 18 April 2024.
The lowest fares we've come across on flights travelling from London to San Juan in April and May 2024. More deals are always being added, so be sure to check back regularly.
Tue 5/1107:35LHR - SJU
1 stop16h 10mFinnair
Thu 21/1118:28SJU - LHR
1 stop13h 52mFinnair
Deal found 17/4£522
Mon 16/907:25LHR - SJU
1 stop13h 52mJetBlue
Sun 29/920:00SJU - LHR
1 stop19h 45mJetBlue
Deal found 17/4£524
Mon 16/907:25LHR - SJU
1 stop13h 52mJetBlue
Sun 29/920:00SJU - LHR
1 stop19h 45mJetBlue
Deal found 18/4£525
Mon 20/507:25LHR - SJU
1 stop18h 45mJetBlue
Mon 3/606:02SJU - LHR
1 stop19h 28mJetBlue
Deal found 17/4£527
Fri 20/907:25LHR - SJU
1 stop13h 52mJetBlue
Mon 30/920:00SJU - LHR
1 stop19h 45mJetBlue
Deal found 17/4£533
Fri 20/907:25LHR - SJU
1 stop13h 52mJetBlue
Mon 30/920:00SJU - LHR
1 stop19h 45mJetBlue
Deal found 18/4£534
Mon 20/507:25LHR - SJU
1 stop17h 05mJetBlue
Fri 31/507:48SJU - LHR
1 stop20h 42mJetBlue
Deal found 17/4£540
Mon 17/611:55LHR - SJU
1 stop16h 04mJetBlue
Wed 26/620:45SJU - LHR
1 stop19h 00mJetBlue
Deal found 17/4£544
Wed 27/1112:35LHR - SJU
1 stop27h 29mFinnair
Wed 4/1216:52SJU - LHR
1 stop12h 23mFinnair
Deal found 17/4£548

Heathrow to San Juan flights leaving soon

Find last-minute flight options from Heathrow to San Juan for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 895,763 searches. Data last updated 18 April 2024.
Consider one of these great deals we found on last-minute flights from London to San Juan. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Fri 26/407:25LHR - SJU
1 stop20h 28mJetBlue
Wed 1/510:56SJU - LHR
1 stop14h 34mJetBlue
Deal found 16/4£594
Fri 26/407:25LHR - SJU
1 stop20h 28mJetBlue
Tue 30/403:34SJU - LHR
1 stop12h 11mJetBlue
Deal found 16/4£637
Tue 23/407:25LHR - SJU
1 stop20h 28mJetBlue
Mon 13/506:02SJU - LHR
1 stop19h 28mJetBlue
Deal found 17/4£654
Fri 26/421:25LHR - SJU
2 stops34h 53mMultiple Airlines
Wed 1/506:00SJU - LHR
2 stops24h 55mMultiple Airlines
Deal found 16/4£725
Fri 26/421:25LHR - SJU
3 stops33h 19mMultiple Airlines
Wed 1/506:00SJU - LHR
2 stops24h 55mMultiple Airlines
Deal found 16/4£731
Fri 26/421:25LHR - SJU
2 stops31h 00mMultiple Airlines
Wed 1/515:41SJU - LHR
1 stop14h 09mMultiple Airlines
Deal found 16/4£778
Fri 26/413:05LHR - SJU
2 stops18h 45mMultiple Airlines
Tue 30/401:49SJU - LHR
3 stops29h 06mMultiple Airlines
Deal found 16/4£814
Fri 26/406:30LHR - SJU
2 stops23h 05mMultiple Airlines
Tue 30/403:34SJU - LHR
2 stops25h 06mMultiple Airlines
Deal found 16/4£940
Fri 26/414:05LHR - SJU
1 stop28h 25mMultiple Airlines
Tue 30/401:05SJU - LHR
2 stops24h 25mMultiple Airlines
Deal found 16/4£1,019

One-way flights to San Juan from Heathrow

Search for one-way flight options from Heathrow to San Juan. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 895,763 searches. Data last updated 18 April 2024.
If you're seeking multiple options on one-way flights from London to San Juan, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from London to San Juan instead should update the search form at the top of page.
Mon 3/620:50LHR - SJU
3 stops59h 20mMultiple Airlines
Deal found 17/4£315
Mon 3/614:30LHR - SJU
2 stops18h 00mMultiple Airlines
Deal found 17/4£319
Tue 30/419:45LHR - SJU
2 stops36h 46mMultiple Airlines
Deal found 18/4£439
Sat 1/619:30LHR - SJU
3 stops36h 35mMultiple Airlines
Deal found 17/4£439
Tue 30/413:10LHR - SJU
3 stops27h 35mMultiple Airlines
Deal found 18/4£444
Sat 1/607:55LHR - SJU
2 stops30h 21mMultiple Airlines
Deal found 17/4£455
Fri 24/522:25LHR - SJU
3 stops34h 05mMultiple Airlines
Deal found 18/4£463
Fri 24/514:00LHR - SJU
2 stops18h 30mMultiple Airlines
Deal found 18/4£503
Tue 4/613:45LHR - SJU
2 stops25h 14mTAP AIR PORTUGAL
Deal found 17/4£523

Find flights from Heathrow to San Juan within your budget

Customise your flight search to find flights from Heathrow to San Juan 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 895,763 searches. Data last updated 18 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£524 - £933

Route

Depart

Return

Price

London HeathrowSan Juan Luis Munoz Marin Intl

LHR - SJU

LHRSJU

London Heathrow

Mon 16/9

1 stop13h 52m

San Juan Luis Munoz Marin Intl

Sun 29/9

1 stop19h 45m

£524

London HeathrowSan Juan Luis Munoz Marin Intl

LHR - SJU

LHRSJU

London Heathrow

Tue 7/5

1 stop12h 15m

San Juan Luis Munoz Marin Intl

Tue 14/5

1 stop33h 36m

£561

London HeathrowSan Juan Luis Munoz Marin Intl

LHR - SJU

LHRSJU

London Heathrow

Tue 21/5

1 stop24h 07m

San Juan Luis Munoz Marin Intl

Thu 30/5

1 stop31h 57m

£574

London HeathrowSan Juan Luis Munoz Marin Intl

LHR - SJU

LHRSJU

London Heathrow

Wed 11/9

2 stops25h 09m

San Juan Luis Munoz Marin Intl

Mon 23/9

2 stops19h 43m

£614

London HeathrowSan Juan Luis Munoz Marin Intl

LHR - SJU

LHRSJU

London Heathrow

Wed 22/5

2 stops25h 25m

San Juan Luis Munoz Marin Intl

Wed 5/6

2 stops32h 45m

£618

London HeathrowSan Juan Luis Munoz Marin Intl

LHR - SJU

LHRSJU

London Heathrow

Wed 11/9

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Mon 23/9

1 stop15h 55m

£879

London HeathrowSan Juan Luis Munoz Marin Intl

LHR - SJU

LHRSJU

London Heathrow

Tue 10/9

1 stop15h 57m

San Juan Luis Munoz Marin Intl

Mon 23/9

1 stop12h 45m

£892

London HeathrowSan Juan Luis Munoz Marin Intl

LHR - SJU

LHRSJU

London Heathrow

Wed 11/9

2 stops18h 56m

San Juan Luis Munoz Marin Intl

Mon 23/9

1 stop15h 16m

£902

London HeathrowSan Juan Luis Munoz Marin Intl

LHR - SJU

LHRSJU

London Heathrow

Tue 10/9

2 stops18h 43m

San Juan Luis Munoz Marin Intl

Sun 22/9

1 stop21h 10m

£933

Flights are sorted by cheapest first

Deals found on 17/4

When is the best time to book a flight from London Heathrow Airport to San Juan?

Use this chart to determine the optimal time to book a return flight from Heathrow to San Juan. Price data was last updated on 28 January 2024.
The best time to book flights from London Heathrow Airport to San Juan is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from London Heathrow Airport to San Juan?

Use this chart to determine the cheapest time to fly return from Heathrow to San Juan. Price data was last updated on 14 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London Heathrow Airport to San Juan flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Juan by month

Plan your trip from Heathrow to San Juan by taking into account the cheapest months to travel. The average price of a one-way flight from Heathrow to San Juan is currently £433 while a return flight costs £722. Price data was last updated on 14 April 2024.

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to San Juan (average of £585). Flying from London Heathrow Airport to San Juan in July is currently the most expensive (average of £870). 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.

January

£495

February

£523

March

£470

April

£507

May

£588

June

£676

July

£699

August

£694

September

£598

October

£537

November

£548

December

£597

Temperature and rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average temperature and rainfall totals by month.

SJU

Temperature

25 - 28 °C

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated 18 April 2024.
Peruse reviews from past customers who have flown with JetBlue, Finnair and TAP AIR PORTUGAL from London to San Juan to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
11,104 reviews

Food

7.5

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

8.1
Very Good
11,104 reviews
8.1
Very Good
11,104 reviews

Food

7.5

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.8
Good
1,388 reviews
8.1
Very Good
11,104 reviews

Food

7.5

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.7
Good
4,678 reviews
8.1
Very Good
11,104 reviews

Food

7.5

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.6
Good
1,830 reviews
8.1
Very Good
11,104 reviews

Food

7.5

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.6
Good
3,977 reviews
8.1
Very Good
11,104 reviews

Food

7.5

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from London Heathrow Airport to San Juan for under £600 on Cheapflights?

    Yes, there are multiple flights from London Heathrow Airport to San Juan for under £600. The cheapest flight booked recently is on JetBlue for just £524, but on average you can expect to pay £589.

  • Are there last-minute flights available from London Heathrow Airport to San Juan for under £600?

    There are currently 15+ open flights from London Heathrow Airport to San Juan within the next 7 days for less than £600.

  • What are the cheapest airlines flying from London Heathrow Airport to San Juan round-trip?

    Our cheapest airline available from London Heathrow Airport to San Juan is JetBlue. Our recent data shows that you can find tickets from as low as £524 on this airline. Additional options worth looking into are Finnair and Icelandair, starting at £561 and £574 round-trip. JetBlue is currently priced 20% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London Heathrow Airport to San Juan one-way

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as little as £523. However, be on the lookout for offers from Avianca and JetBlue, as they are both options that can get you from London Heathrow Airport to San Juan for a low price.

  • What are the most popular airlines that fly from London Heathrow Airport to San Juan?

  • What does LHR to SJU mean?

    LHR and SJU are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. LHR to SJU refers to a flight route from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport. Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS), Ceiba J. Aponte de la Torre Airport (NRR) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Heathrow to San Juan that include extra baggage allowance?

    The amount of baggage you can bring on your Heathrow to San Juan flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Heathrow to San Juan with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow to San Juan flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Heathrow to San Juan that include hotel bookings?

    Yes. In addition to deals on Heathrow to San Juan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Juan.

  • Can I find deals for business class flights from Heathrow to San Juan?

    Yes. Cheapflights offers flight deals from Heathrow to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Heathrow to San Juan that allow pets onboard?

    Many airlines flying from Heathrow to San Juan offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Heathrow to San Juan?

    Yes, you can often find last-minute deals on Heathrow to San Juan flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London Heathrow Airport to San Juan flight deals updated?

    The London Heathrow Airport to San Juan flight deals you see on this page were last updated on 18/4.

See more FAQs

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 for Heathrow to San Juan
See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Heathrow to San Juan

Discover the top 6 airlines that operate flights from Heathrow to San Juan. 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 895,763 searches. Data last updated 18 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£420Average£873FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£422Average£632FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£472Average£573FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£484Average£881FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£537Average£838FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£645Average£879FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Search flights from Heathrow to San Juan by cabin class

Find flights from Heathrow to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to San Juan?

Cheapflights helps you search for flights from Heathrow to San Juan via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Juan?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to San Juan by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Heathrow to San Juan with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to San Juan flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to San Juan become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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