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

Flights starting at $351. Choose between Frontier Airlines, JetBlue Airways, or Iberia Airlines to find the best price.

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Tips to know when travelling to San Juan

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Travelers usually depart from Heathrow, Gatwick, London Stansted, Luton, or London City when they travel from London to San Juan. Book your trip to arrive at Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci. The most popular airlines for this route are Frontier Airlines, JetBlue Airways, Iberia Airlines, Spirit Airlines, and Play. London and San Juan have 264 direct flights per week.

Check-in for a flight from London to San Juan

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
JetBlue AirwaysJBUB6No
Iberia AirlinesIBEIBYes
Spirit AirlinesNKSNKNo
PlayFPYOGNo

Travel tips & how to get from London to San Juan

The cheapest price of a one-way ticket from London to San Juan is $340. Round trip fares cost between $645 at the lowest and $1,333 at most.

Weather in San Juan

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January27°C22°C
February27°C22°C
March27°C22°C
April28°C23°C
May29°C24°C
June30°C25°C
July30°C25°C
August30°C25°C
September30°C25°C
October29°C25°C
November28°C24°C
December27°C23°C
Hottest Month
30°C
August
Coldest month
22°C
February
Sunny days
253
days per year

14 day forecast

Friday
1 Nov
89%
27°C25°C
8 Nov
87%
30°C24°C
Saturday
2 Nov
88%
33°C25°C
9 Nov
89%
29°C24°C
Sunday
3 Nov
30°C26°C
10 Nov
78%
28°C24°C
Monday
4 Nov
89%
30°C26°C
11 Nov
89%
28°C26°C
Tuesday
5 Nov
89%
29°C26°C
12 Nov
88%
28°C25°C
Wednesday
6 Nov
83%
28°C25°C
13 Nov
89%
28°C24°C
Thursday
7 Nov
88%
28°C24°C
14 Nov
86%
27°C24°C

Frequently asked questions

What are the most popular routes to and from London?
What are the most popular routes to and from San Juan?
What airports are near San Juan?
Which airlines fly between London and San Juan?
When's the best time to travel between London and San Juan?
What flights operate between London and San Juan?
How many airports are there near San Juan?
What time do nonstop (direct) flights between London and San Juan depart?
What time do nonstop (direct) flights between London and San Juan arrive?
What time do flights between London and San Juan depart?
What time do flights between London and San Juan arrive?

The nearest countries with flights to San Juan

Here is a list of countries people are flying from

Other destination countries from London

Here is a list of countries people are flying to
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