Cheap flights from San Juan to London from £241

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1 stop
Tue, Nov 17
San Juan SJULondon LHR

£241
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1 stop
Wed, Nov 18
San Juan SJULondon LHR

£241
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1 stop
Mon, Nov 16
San Juan SJULondon LHR

£241
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1 stop
Sun, Nov 15
San Juan SJULondon LHR

£241
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1 stop
Sun, Nov 15
San Juan SJULondon LHR

£246
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1 stop
Wed, Nov 18 – Sun, Nov 22
San Juan SJULondon LHR

£685
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1 stop
Thu, Nov 19 – Sun, Nov 22
San Juan SJULondon LHR

£694
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1 stop
Thu, Nov 19 – Sun, Nov 22
San Juan SJULondon LGW

£836
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1 stop
Wed, Nov 18 – Sun, Nov 22
San Juan SJULondon LGW

£837
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1 stop
Tue, Nov 17 – Sat, Nov 21
San Juan SJULondon LHR

£875
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How much do flights to London cost?

Getting from London airports to the city center

London is served by six airports, each offering a variety of airport transfers to city center destinations. Heathrow Airport (LHR) lies 24 km west of central London, Gatwick Airport (LGW) is 45 km to the south, Stansted Airport (STN) sits 64 km northeast, Luton Airport (LTN) is 46 km north, London City Airport (LCY) is just 11 km east, and Southend Airport (SEN) is 64 km to the east. Transport options include express trains, the Underground, DLR, coaches, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions.

How to get from London Heathrow Airport (LHR) to London?

How to get from London Gatwick Airport (LGW) to London?

How to get from London Stansted Airport (STN) to London?

How to get from London Luton Airport (LTN) to London?

How to get from London City Airport (LCY) to London?

How to get from London Southend Airport (SEN) to London?

Notes:

  • Prices in GBP; table created in 2025 and subject to change.
  • Contactless and Oyster are valid on the Underground, DLR, Elizabeth line, and most National Rail services within London zones.
  • Black cabs are metered; ride-hailing prices vary with demand. Road traffic can significantly affect journey times (traffic dependent).
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to London

Depart from
Luis Muñoz Marín International
Arrive to
Heathrow
Average flights per week
279
Flight distance
Worth visiting
Avebury - British Museum - Canterbury Cathedral - Isle of Wight - Natural History Museum - Portsea Island - Roman Baths, Bath - St. David's Cathedral, Cardiff - St Fagans: National History Museum - Stonehenge - St. Paul's Cathedral - Tate Modern - Tintern Abbey, United Kingdom - Tower of London

Check-in for a flight from San Juan to London

NameCarrier codeIATA CodePassport needed during booking
JetBlue AirwaysJBUB6No
RyanairRYRFRNo
Iberia AirlinesIBEIBYes
easyJetEZYU2Yes
Air FranceAFRAFNo

Weather in London

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C3°C
March11°C4°C
April14°C5°C
May17°C8°C
June20°C11°C
July23°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C4°C
Hottest Month
23°C
July
Coldest month
2°C
January
Sunny days
277
days per year
Snow days
2
days per year

14 day forecast

Saturday
31 Oct
17%
15°C8°C
7 Nov
12%
11°C6°C
Sunday
1 Nov
24%
14°C8°C
8 Nov
22%
9°C4°C
Monday
2 Nov
17%
12°C8°C
9 Nov
24%
9°C6°C
Tuesday
3 Nov
44%
13°C8°C
10 Nov
88%
12°C9°C
Wednesday
4 Nov
27%
12°C9°C
11 Nov
76%
13°C7°C
Thursday
5 Nov
15%
11°C8°C
12 Nov
12%
11°C5°C
Friday
6 Nov
13%
11°C7°C
13 Nov
17%
9°C6°C
Travelers usually depart from Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci when they travel from San Juan to London. Book your trip to arrive at Heathrow, Gatwick, London Stansted, Luton, or London Southend. The most popular airlines for this route are JetBlue Airways, Ryanair, Iberia Airlines, easyJet, and Air France. San Juan and London have 279 direct flights per week. When you arrive at London, consider visiting Avebury, British Museum, Canterbury Cathedral, Isle of Wight, Natural History Museum, Portsea Island, Roman Baths, Bath, St. David's Cathedral, Cardiff, St Fagans: National History Museum, Stonehenge, St. Paul's Cathedral, Tate Modern, Tintern Abbey, United Kingdom, and Tower of London.

Frequently asked questions

What are the most popular routes to and from San Juan?

What are the most popular routes to and from London?

Which airports are there in San Juan?

What airports are near San Juan?

What airports are near London?

Which airlines fly between San Juan and London?

When’s the best time to travel between San Juan and London?

What flights operate between San Juan and London?

How many airports are there near San Juan?

How many airports are there near London?

What time do nonstop (direct) flights between San Juan and London depart?

What time do nonstop (direct) flights between San Juan and London arrive?

What time do flights between San Juan and London depart?

What time do flights between San Juan and London arrive?

Explore alternative trips

Flights from San Juan

Flights to London

Popular routes

The nearest countries with flights to London

Here is a list of countries people are flying from

Other destination countries from San Juan

Here is a list of countries people are flying to

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