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Cheap flights from London Gatwick Airport to San Juan from £316

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to San Juan departing on 18/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Gatwick Airport to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:00 - 00:48
LGW
-
SJU
39h 48m2 stops
Multiple Airlines Logo
16:40 - 06:00
SJU
-
LGW
33h 20m1 stop
£539Multiple Airlines
Mi, 11 Mrz - Fr, 20 Mrz
Multiple Airlines Logo
11:55 - 15:35
LGW
-
SJU
31h 40m3 stops
Multiple Airlines Logo
10:52 - 10:55
SJU
-
LGW
20h 03m2 stops
£547Multiple Airlines
Di, 13 Jan - Fr, 23 Jan
Multiple Airlines Logo
19:40 - 11:35
LGW
-
SJU
19h 55m2 stops
Multiple Airlines Logo
07:10 - 06:00
SJU
-
LGW
18h 50m1 stop
£550Multiple Airlines
Mi, 28 Jan - So, 8 Feb
Multiple Airlines Logo
14:00 - 23:59
LGW
-
SJU
13h 59m1 stop
Multiple Airlines Logo
17:50 - 15:45
SJU
-
LGW
17h 55m2 stops
£550Multiple Airlines
Fr, 23 Jan - Fr, 6 Feb
Multiple Airlines Logo
14:00 - 15:35
LGW
-
SJU
29h 35m2 stops
Multiple Airlines Logo
17:50 - 08:20
SJU
-
LGW
34h 30m2 stops
£552Multiple Airlines
Sa, 24 Jan - Fr, 6 Feb
Multiple Airlines Logo
14:00 - 15:35
LGW
-
SJU
29h 35m2 stops
Multiple Airlines Logo
17:50 - 15:45
SJU
-
LGW
17h 55m2 stops
£558Multiple Airlines
Sa, 24 Jan - Fr, 30 Jan
Multiple Airlines Logo
17:40 - 16:50
LGW
-
SJU
28h 10m2 stops
Multiple Airlines Logo
21:49 - 06:20
SJU
-
LGW
27h 31m2 stops
£559Multiple Airlines
Fr, 24 Apr - Mo, 4 Mai
Multiple Airlines Logo
17:00 - 11:35
LGW
-
SJU
22h 35m2 stops
Multiple Airlines Logo
17:50 - 08:20
SJU
-
LGW
34h 30m2 stops
£563Multiple Airlines
Fr, 23 Jan - Fr, 6 Feb
Multiple Airlines Logo
11:55 - 15:35
LGW
-
SJU
31h 40m3 stops
Multiple Airlines Logo
06:00 - 10:55
SJU
-
LGW
24h 55m3 stops
£564Multiple Airlines
Di, 13 Jan - Fr, 23 Jan
Multiple Airlines Logo
14:00 - 08:47
LGW
-
SJU
23h 47m1 stop
Multiple Airlines Logo
21:49 - 06:20
SJU
-
LGW
27h 31m2 stops
£567Multiple Airlines
Fr, 24 Apr - Mo, 4 Mai

Iberia flights from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport

Our best Iberia deals on London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
Iberia
25 Dec
LGW11:45London Gatwick
12h 10m
1 stop
SJU19:55San Juan Luis Munoz Marin Intl
9 Jan
SJU18:10San Juan Luis Munoz Marin Intl
12h 40m
1 stop
LGW10:50London Gatwick
£1,272
Find similar
Iberia
25 Dec
LGW11:45London Gatwick
25h 50m
2 stops
SJU09:35San Juan Luis Munoz Marin Intl
9 Jan
SJU18:10San Juan Luis Munoz Marin Intl
12h 40m
1 stop
LGW10:50London Gatwick
£1,339
Find similar
Iberia
25 Dec
LGW11:45London Gatwick
25h 50m
2 stops
SJU09:35San Juan Luis Munoz Marin Intl
9 Jan
SJU18:10San Juan Luis Munoz Marin Intl
12h 40m
1 stop
LGW10:50London Gatwick
£1,464
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 279,928 searches. Data last updated 16 Dezember 2025.
Use the filters below to find and compare flights from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mi 11/3

13:00-00:48

2 stops39h 48m

San Juan Luis Munoz Marin Intl

Fr 20/3

16:40-06:00

1 stop33h 20m

£539

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Di 13/1

11:55-15:35

3 stops31h 40m

San Juan Luis Munoz Marin Intl

Fr 23/1

10:52-10:55

2 stops20h 03m

£547

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mi 28/1

19:40-11:35

2 stops19h 55m

San Juan Luis Munoz Marin Intl

So 8/2

07:10-06:00

1 stop18h 50m

£550

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fr 23/1

14:00-23:59

1 stop13h 59m

San Juan Luis Munoz Marin Intl

Fr 6/2

17:50-15:45

2 stops17h 55m

£550

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sa 24/1

14:00-15:35

2 stops29h 35m

San Juan Luis Munoz Marin Intl

Fr 6/2

17:50-08:20

2 stops34h 30m

£552

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sa 24/1

14:00-15:35

2 stops29h 35m

San Juan Luis Munoz Marin Intl

Fr 30/1

17:50-15:45

2 stops17h 55m

£558

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fr 24/4

17:40-16:50

2 stops28h 10m

San Juan Luis Munoz Marin Intl

Mo 4/5

21:49-06:20

2 stops27h 31m

£559

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fr 23/1

17:00-11:35

2 stops22h 35m

San Juan Luis Munoz Marin Intl

Fr 6/2

17:50-08:20

2 stops34h 30m

£563

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Di 13/1

11:55-15:35

3 stops31h 40m

San Juan Luis Munoz Marin Intl

Fr 23/1

06:00-10:55

3 stops24h 55m

£564

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fr 24/4

14:00-08:47

1 stop23h 47m

San Juan Luis Munoz Marin Intl

Mo 4/5

21:49-06:20

2 stops27h 31m

£567

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest day to depart from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport is on a Monday when prices can be found for as low as £532. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport for around £648.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

In the morning is the cheapest time of day to fly from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport when you can find flight prices for as low as £588. Flying to San Juan Luis Munoz Marin Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £840 on average. Flights to San Juan Luis Munoz Marin Intl Airport from London Gatwick Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport (LGW to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

16h 12m

Direct flights

None
The fastest flight from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport takes 16h 12m
There are no direct flights from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is London Gatwick to San Juan Luis Munoz Marin Intl by plane?

    There are 4188.2 mi between London Gatwick and San Juan Luis Munoz Marin Intl. By plane, this route typically takes 16h 12m.

  • When did momondo last update prices for flights from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom £557Free CancellationRating
7.0
3,052 reviews
Search Iberia flights

Travelling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Rio Grande
Carolina
Fajardo
Dorado

Why use momondo?

Why should I use momondo to find a flight deal from London to San Juan?

Finding the right flight to San Juan from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from London to San Juan with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Juan from London with this policy.

How can momondo help me find flights from London to San Juan?

Once you have performed a search for London to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to San Juan right now. Can momondo alert me if prices change?

Price alerts on flights to San Juan from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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