Cheap flights from San Juan, United States to London, United Kingdom

Flights starting at $248. Choose between Frontier Airlines, JetBlue Airways, or Virgin Atlantic Airways to find the best price.

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How much do flights to London cost?

Key info about flying to London

Depart from
Luis Muñoz Marín International
Arrive to
Heathrow
Average flights per week
295
Flight distance
Worth visiting
Tintern Abbey, United Kingdom - St. David's Cathedral, Cardiff - Tower of London - Portsea Island - Natural History Museum - Roman Baths, Bath - British Museum - Avebury - St. Paul's Cathedral - St Fagans: National History Museum - Tate Modern - Stonehenge - Isle of Wight - Canterbury Cathedral

Check-in for a flight from San Juan to London

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
JetBlue AirwaysJBUB6No
Virgin Atlantic AirwaysVIRVSYes
RyanairRYRFRNo
Swiss International Air LinesSWRLXNo

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
July22°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C3°C
Hottest Month
22°C
July
Coldest month
2°C
January
Sunny days
278
days per year
Snow days
3
days per year

14 day forecast

Saturday
11 Jan
3°C0°C
18 Jan
8°C4°C
Sunday
12 Jan
3°C0°C
19 Jan
7°C3°C
Monday
13 Jan
6°C1°C
20 Jan
8°C4°C
Tuesday
14 Jan
6°C2°C
21 Jan
7°C3°C
Wednesday
15 Jan
8°C4°C
22 Jan
82%
8°C3°C
Thursday
16 Jan
8°C4°C
23 Jan
10°C4°C
Friday
17 Jan
8°C5°C
24 Jan
10°C7°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 City. The most popular airlines for this route are Frontier Airlines, JetBlue Airways, Virgin Atlantic Airways, Ryanair, and Swiss International Air Lines. San Juan and London have 295 direct flights per week. When you arrive at London, consider visiting Tintern Abbey, United Kingdom, St. David's Cathedral, Cardiff, Tower of London, Portsea Island, Natural History Museum, Roman Baths, Bath, British Museum, Avebury, St. Paul's Cathedral, St Fagans: National History Museum, Tate Modern, Stonehenge, Isle of Wight, and Canterbury Cathedral.

Frequently asked questions

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

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