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Cheap flights from London Gatwick Airport to San Juan from £345

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 18/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
14:00 - 01:50
LGW
-
SJU
16h 50m
1 stop
Multiple Airlines Logo
18:31 - 10:00
SJU
-
LGW
34h 29m
1 stop
£492Multiple Airlines
Fri, 11 Sep - Sun, 13 Sep
Multiple Airlines Logo
14:00 - 17:37
LGW
-
SJU
32h 37m
1 stop
Multiple Airlines Logo
18:31 - 10:00
SJU
-
LGW
34h 29m
1 stop
£503Multiple Airlines
Fri, 11 Sep - Sun, 13 Sep
Multiple Airlines Logo
14:00 - 13:16
LGW
-
SJU
28h 16m
1 stop
Multiple Airlines Logo
18:42 - 10:00
SJU
-
LGW
34h 18m
1 stop
£512Multiple Airlines
Mon, 21 Sep - Sun, 4 Oct
Multiple Airlines Logo
14:00 - 01:50
LGW
-
SJU
16h 50m
1 stop
Multiple Airlines Logo
18:31 - 10:00
SJU
-
LGW
34h 29m
1 stop
£548Multiple Airlines
Fri, 11 Sep - Sun, 13 Sep
Multiple Airlines Logo
14:00 - 02:15
LGW
-
SJU
17h 15m
1 stop
Multiple Airlines Logo
18:42 - 10:00
SJU
-
LGW
34h 18m
1 stop
£555Multiple Airlines
Sat, 5 Sep - Tue, 15 Sep
Multiple Airlines Logo
14:00 - 02:15
LGW
-
SJU
17h 15m
1 stop
Multiple Airlines Logo
18:31 - 10:00
SJU
-
LGW
34h 29m
1 stop
£560Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
14:00 - 01:50
LGW
-
SJU
16h 50m
1 stop
Multiple Airlines Logo
17:15 - 11:40
SJU
-
LGW
13h 25m
1 stop
£578Multiple Airlines
Fri, 11 Sep - Mon, 28 Sep
Multiple Airlines Logo
06:00 - 18:30
LGW
-
SJU
17h 30m
1 stop
Multiple Airlines Logo
20:05 - 22:30
SJU
-
LGW
21h 25m
1 stop
£596Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
08:35 - 20:00
LGW
-
SJU
15h 25m
1 stop
Multiple Airlines Logo
21:35 - 19:00
SJU
-
LGW
17h 25m
1 stop
£602Multiple Airlines
Mon, 18 Jan - Thu, 28 Jan
Multiple Airlines Logo
12:35 - 18:37
LGW
-
SJU
34h 02m
1 stop
Multiple Airlines Logo
21:35 - 19:15
SJU
-
LGW
17h 40m
2 stops
£602Multiple Airlines
Fri, 13 Nov - Sun, 29 Nov

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

Our best JetBlue deals on London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
10 Aug
LGW12:20London Gatwick
16h 34m
1 stop
SJU23:54San Juan Luis Munoz Marin Intl
26 Aug
SJU14:30San Juan Luis Munoz Marin Intl
14h 05m
1 stop
LGW09:35London Gatwick
£647
JetBlue
10 Aug
LGW12:20London Gatwick
16h 34m
1 stop
SJU23:54San Juan Luis Munoz Marin Intl
29 Aug
SJU16:15San Juan Luis Munoz Marin Intl
12h 20m
1 stop
LGW09:35London Gatwick
£653
JetBlue
21 Aug
LGW12:20London Gatwick
29h 51m
1 stop
SJU13:11San Juan Luis Munoz Marin Intl
4 Sept
SJU20:35San Juan Luis Munoz Marin Intl
32h 00m
1 stop
LGW09:35London Gatwick
£662

TAP AIR PORTUGAL flights from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
TAP AIR PORTUGAL
20 Aug
LGW12:20London Gatwick
16h 34m
1 stop
SJU23:54San Juan Luis Munoz Marin Intl
4 Sept
SJU05:01San Juan Luis Munoz Marin Intl
23h 34m
1 stop
LGW09:35London Gatwick
£656
TAP AIR PORTUGAL
15 Sept
LGW21:15London Gatwick
55h 43m
2 stops
SJU23:58San Juan Luis Munoz Marin Intl
22 Sept
SJU15:00San Juan Luis Munoz Marin Intl
24h 25m
2 stops
LGW20:25London Gatwick
£701
TAP AIR PORTUGAL
22 Sept
LGW21:15London Gatwick
55h 43m
2 stops
SJU23:58San Juan Luis Munoz Marin Intl
30 Sept
SJU15:00San Juan Luis Munoz Marin Intl
39h 20m
2 stops
LGW11:20London Gatwick
£703

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 26 July 2026.
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

Cheapest return flight

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 11/9

14:00-01:50

1 stop16h 50m

San Juan Luis Munoz Marin Intl

Sun 13/9

18:31-10:00

1 stop34h 29m

£492

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 11/9

14:00-17:37

1 stop32h 37m

San Juan Luis Munoz Marin Intl

Sun 13/9

18:31-10:00

1 stop34h 29m

£503

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 21/9

14:00-13:16

1 stop28h 16m

San Juan Luis Munoz Marin Intl

Sun 4/10

18:42-10:00

1 stop34h 18m

£512

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 11/9

14:00-01:50

1 stop16h 50m

San Juan Luis Munoz Marin Intl

Sun 13/9

18:31-10:00

1 stop34h 29m

£548

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sat 5/9

14:00-02:15

1 stop17h 15m

San Juan Luis Munoz Marin Intl

Tue 15/9

18:42-10:00

1 stop34h 18m

£555

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 3/9

14:00-02:15

1 stop17h 15m

San Juan Luis Munoz Marin Intl

Thu 10/9

18:31-10:00

1 stop34h 29m

£560
Fastest return journey

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 11/9

14:00-01:50

1 stop16h 50m

San Juan Luis Munoz Marin Intl

Mon 28/9

17:15-11:40

1 stop13h 25m

£578

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Tue 8/9

06:00-18:30

1 stop17h 30m

San Juan Luis Munoz Marin Intl

Tue 15/9

20:05-22:30

1 stop21h 25m

£596

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 18/1

08:35-20:00

1 stop15h 25m

San Juan Luis Munoz Marin Intl

Thu 28/1

21:35-19:00

1 stop17h 25m

£602

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 13/11

12:35-18:37

1 stop34h 02m

San Juan Luis Munoz Marin Intl

Sun 29/11

21:35-19:15

2 stops17h 40m

£602

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Juan from

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 airline that flies from London Gatwick to San Juan Luis Munoz Marin Intl?

TAP AIR PORTUGAL is the most popular carrier operating from London Gatwick to San Juan Luis Munoz Marin Intl

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

14h 00m

Direct flights

None
The fastest flight from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport takes 14h 00m
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

Frequently asked questions about flying from London Gatwick Airport to San Juan Luis Munoz Marin Intl Airport

  • 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 14h 00m.

  • 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
JetBluePriceFrom £490Free CancellationRating
7.1
3,024 reviews
Search JetBlue flights

Travelling to a place near San Juan?

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

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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