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Cheap flights from San Juan to London from £156

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan to London departing on 12/10. 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
0 bags
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Cheap return flights

Logo
16:51 - 06:20SJU-LGW
32h 29m1 stop
Logo
13:05 - 02:02LGW-SJU
17h 57m1 stop
£445
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Wed, 1 Oct - Wed, 8 Oct
Logo
06:44 - 10:00SJU-LGW
22h 16m1 stop
Logo
14:00 - 01:44LGW-SJU
16h 44m1 stop
£448
Find Deal
Wed, 1 Oct - Wed, 8 Oct
Iberia Logo
18:10 - 10:50SJU-LGW
12h 40m1 stop
Iberia Logo
11:45 - 19:55LGW-SJU
12h 10m1 stop
£478Iberia
Find Deal
Wed, 18 Feb - Thu, 26 Feb
Logo
06:22 - 06:20SJU-LGW
18h 58m1 stop
Logo
16:25 - 02:02LGW-SJU
38h 37m2 stops
£486
Find Deal
Tue, 7 Oct - Tue, 21 Oct
JetBlue Logo
02:30 - 09:35SJU-LGW
26h 05m1 stop
JetBlue Logo
12:10 - 12:27LGW-SJU
29h 17m1 stop
£543JetBlue
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Sat, 11 Oct - Sun, 19 Oct
American Airlines Logo
06:00 - 09:00SJU-LGW
23h 00m2 stops
American Airlines Logo
12:30 - 10:10LGW-SJU
25h 40m2 stops
£553American Airlines
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Sun, 9 Nov - Thu, 20 Nov
American Airlines Logo
07:15 - 09:00SJU-LGW
21h 45m2 stops
American Airlines Logo
12:30 - 12:00LGW-SJU
27h 30m2 stops
£618American Airlines
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Thu, 15 Jan - Mon, 19 Jan
Iberia Logo
16:50 - 19:00SJU-LGW
46h 10m2 stops
Iberia Logo
11:45 - 16:35LGW-SJU
32h 50m1 stop
£626Iberia
Find Deal
Thu, 15 Jan - Mon, 19 Jan
TAP AIR PORTUGAL Logo
12:51 - 09:50SJU-LGW
16h 59m2 stops
TAP AIR PORTUGAL Logo
10:40 - 04:20LGW-SJU
21h 40m2 stops
£636TAP AIR PORTUGAL
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Wed, 29 Oct - Thu, 6 Nov
TAP AIR PORTUGAL Logo
12:51 - 09:50SJU-LGW
16h 59m2 stops
TAP AIR PORTUGAL Logo
10:40 - 03:48LGW-SJU
21h 08m2 stops
£681TAP AIR PORTUGAL
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Wed, 29 Oct - Wed, 5 Nov

American Airlines flights from San Juan to London Gatwick Airport

Our best American Airlines deals on San Juan to London Gatwick Airport flight tickets
American Airlines
9 Nov
SJU06:00San Juan Luis Munoz Marin Intl
23h 00m
2 stops
LGW09:00London Gatwick
20 Nov
LGW12:30London Gatwick
25h 40m
2 stops
SJU10:10San Juan Luis Munoz Marin Intl
£553
Find similar
American Airlines
15 Jan
SJU07:15San Juan Luis Munoz Marin Intl
21h 45m
2 stops
LGW09:00London Gatwick
19 Jan
LGW12:30London Gatwick
27h 30m
2 stops
SJU12:00San Juan Luis Munoz Marin Intl
£618
Find similar

Iberia flights from San Juan to London Gatwick Airport

Our best Iberia deals on San Juan to London Gatwick Airport flight tickets
Iberia
18 Feb
SJU18:10San Juan Luis Munoz Marin Intl
12h 40m
1 stop
LGW10:50London Gatwick
26 Feb
LGW11:45London Gatwick
12h 10m
1 stop
SJU19:55San Juan Luis Munoz Marin Intl
£478
Find similar
Iberia
15 Jan
SJU16:50San Juan Luis Munoz Marin Intl
46h 10m
2 stops
LGW19:00London Gatwick
19 Jan
LGW11:45London Gatwick
32h 50m
1 stop
SJU16:35San Juan Luis Munoz Marin Intl
£626
Find similar
Iberia
18 Jan
SJU18:10San Juan Luis Munoz Marin Intl
20h 50m
1 stop
LGW19:00London Gatwick
27 Jan
LGW11:45London Gatwick
12h 10m
1 stop
SJU19:55San Juan Luis Munoz Marin Intl
£631
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from San Juan to London Gatwick 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 September 2025.
Use the filters below to find and compare flights from San Juan to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 1/10

16:51-06:20

1 stop32h 29m

London Gatwick

Wed 8/10

13:05-02:02

1 stop17h 57m

£445

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 1/10

06:44-10:00

1 stop22h 16m

London Gatwick

Wed 8/10

14:00-01:44

1 stop16h 44m

£448

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 18/2

18:10-10:50

1 stop12h 40m

London Gatwick

Thu 26/2

11:45-19:55

1 stop12h 10m

£478

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Tue 7/10

06:22-06:20

1 stop18h 58m

London Gatwick

Tue 21/10

16:25-02:02

2 stops38h 37m

£486

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Sat 11/10

02:30-09:35

1 stop26h 05m

London Gatwick

Sun 19/10

12:10-12:27

1 stop29h 17m

£543

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Sun 9/11

06:00-09:00

2 stops23h 00m

London Gatwick

Thu 20/11

12:30-10:10

2 stops25h 40m

£553

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 15/1

07:15-09:00

2 stops21h 45m

London Gatwick

Mon 19/1

12:30-12:00

2 stops27h 30m

£618

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 15/1

16:50-19:00

2 stops46h 10m

London Gatwick

Mon 19/1

11:45-16:35

1 stop32h 50m

£626

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 29/10

12:51-09:50

2 stops16h 59m

London Gatwick

Thu 6/11

10:40-04:20

2 stops21h 40m

£636

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 29/10

12:51-09:50

2 stops16h 59m

London Gatwick

Wed 5/11

10:40-03:48

2 stops21h 08m

£681

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from San Juan to London Gatwick 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 San Juan to London Gatwick?

JetBlue, Air Europa, and Iberia are the most popular carriers operating from San Juan to London Gatwick

Cheap San Juan to London Gatwick Airport flight deals and tips

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

Direct flights

None
There are no direct flights from San Juan to London Gatwick Airport. There are no popular flight routes from San Juan to London Gatwick Airport.
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  • How far is San Juan to London Gatwick by plane?

    There are 4191.3 mi between San Juan and London Gatwick. Typically, this will take 12h 40m by plane in normal conditions.

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

    Prices for flights from San Juan to London Gatwick Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The necessary travel and health documents for your London Gatwick Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Luton
Milton Keynes
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Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from San Juan.

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

Flights from San Juan to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from San Juan.

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

Price alerts on flights to London from San Juan 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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