Cheap flights from London to San Juan from £404

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to San Juan

2 stops
Tue, Jul 22
London LHRSan Juan SJU

£404
Search
3 stops
Tue, Jul 22
London LHRSan Juan SJU

£425
Search
2 stops
Tue, Jul 22
London LHRSan Juan SJU

£426
Search
1 stop
Thu, Jul 24
London LGWSan Juan SJU

£512
Search
1 stop
Wed, Jul 23
London LGWSan Juan SJU

£537
Search
1 stop
Thu, Jul 24
London LGWSan Juan SJU

£540
Search

Prices updated:

1 stop
Thu, Jul 24 – Mon, Jul 28
London LGWSan Juan SJU

£628
Search
1 stop
Thu, Jul 24 – Mon, Jul 28
London LGWSan Juan SJU

£628
Search
1 stop
Thu, Jul 24 – Mon, Jul 28
London LGWSan Juan SJU

£628
Search
1 stop
Wed, Jul 23 – Tue, Jul 29
London LGWSan Juan SJU

£649
Search
1 stop
Wed, Jul 23 – Tue, Jul 29
London LGWSan Juan SJU

£649
Search
1 stop
Sat, Jul 26 – Fri, Aug 1
London LGWSan Juan SJU

£668
Search

Prices updated:

How much do flights to San Juan cost?

Key info about flying to San Juan

Depart from
Gatwick
Arrive to
Luis Muñoz Marín International
Average flights per week
400
Flight distance

Check-in for a flight from London to San Juan

NameCarrier codeIATA CodePassport needed during booking
JetBlue AirwaysJBUB6No
RyanairRYRFRNo
Norse Atlantic AirwaysNBTN0No
Frontier AirlinesFFTF9No
SASSASSKNo

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
251
days per year

14 day forecast

Saturday
28 Jun
29°C26°C
5 Jul
30°C25°C
Sunday
29 Jun
29°C26°C
6 Jul
86%
29°C25°C
Monday
30 Jun
32°C26°C
7 Jul
88%
29°C25°C
Tuesday
1 Jul
89%
29°C25°C
8 Jul
64%
30°C25°C
Wednesday
2 Jul
87%
30°C24°C
9 Jul
82%
30°C25°C
Thursday
3 Jul
82%
30°C25°C
10 Jul
88%
31°C25°C
Friday
4 Jul
85%
31°C26°C
11 Jul
89%
31°C25°C
Travelers usually depart from Gatwick, Heathrow, London Stansted, Luton, or London City when they travel from London to San Juan. The most popular airlines for this route are JetBlue Airways, Ryanair, Norse Atlantic Airways, Frontier Airlines, and SAS. London and San Juan have 400 direct flights per week.

Frequently asked questions

What are the most popular routes to and from London?
What are the most popular routes to and from San Juan?
Which airports are there in London?
What airports are near London?
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 London?
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?

Explore alternative trips

Flights from London

Flights to San Juan

Popular routes

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

Download our app

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Find the best connection from London to San Juan
Search flights

We hack the system,
you fly for less