Latest deals
Insights
FAQs
Price Alerts

Cheap flights from San Juan to London from £145

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 28/11. 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
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Juan to London

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
06:00 - 09:00SJU-LGW
23h 00m2 stops
American Airlines Logo
12:30 - 12:27LGW-SJU
27h 57m2 stops
£581American Airlines
Find Deal
Thu, 15 Jan - Mon, 19 Jan
Iberia Logo
21:25 - 19:00SJU-LGW
17h 35m1 stop
Iberia Logo
11:45 - 19:55LGW-SJU
12h 10m1 stop
£581Iberia
Find Deal
Thu, 22 Jan - Thu, 29 Jan
Iberia Logo
21:40 - 19:00SJU-LGW
17h 20m1 stop
Iberia Logo
11:45 - 19:55LGW-SJU
12h 10m1 stop
£583Iberia
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Multiple Airlines Logo
10:42 - 06:00SJU-LGW
39h 18m2 stops
Multiple Airlines Logo
14:00 - 09:55LGW-SJU
23h 55m1 stop
£639Multiple Airlines
Find Deal
Thu, 4 Dec - Thu, 11 Dec
TAP AIR PORTUGAL Logo
06:00 - 09:50SJU-LGW
23h 50m2 stops
TAP AIR PORTUGAL Logo
10:40 - 03:50LGW-SJU
21h 10m2 stops
£652TAP AIR PORTUGAL
Find Deal
Wed, 18 Feb - Thu, 26 Feb
TAP AIR PORTUGAL Logo
06:00 - 09:50SJU-LGW
23h 50m2 stops
TAP AIR PORTUGAL Logo
10:40 - 03:50LGW-SJU
21h 10m2 stops
£653TAP AIR PORTUGAL
Find Deal
Wed, 18 Feb - Fri, 27 Feb
Multiple Airlines Logo
09:15 - 06:00SJU-LGW
16h 45m1 stop
Multiple Airlines Logo
08:30 - 23:54LGW-SJU
43h 24m3 stops
£660Multiple Airlines
Find Deal
Tue, 2 Dec - Thu, 4 Dec
Multiple Airlines Logo
16:55 - 19:25SJU-LGW
22h 30m2 stops
Multiple Airlines Logo
15:25 - 17:05LGW-SJU
29h 40m2 stops
£662Multiple Airlines
Find Deal
Thu, 12 Feb - Tue, 17 Feb
Multiple Airlines Logo
11:52 - 10:00SJU-LGW
18h 08m1 stop
Multiple Airlines Logo
15:25 - 17:05LGW-SJU
29h 40m2 stops
£663Multiple Airlines
Find Deal
Thu, 12 Feb - Tue, 17 Feb
Icelandair Logo
10:55 - 10:55SJU-LGW
20h 00m2 stops
Icelandair Logo
11:55 - 03:50LGW-SJU
19h 55m2 stops
£777Icelandair
Find Deal
Wed, 18 Feb - Thu, 26 Feb

Iberia flights from San Juan to London Gatwick Airport

Our best Iberia deals on San Juan to London Gatwick Airport flight tickets
Iberia
22 Jan
SJU21:25San Juan Luis Munoz Marin Intl
17h 35m
1 stop
LGW19:00London Gatwick
29 Jan
LGW11:45London Gatwick
12h 10m
1 stop
SJU19:55San Juan Luis Munoz Marin Intl
£581
Find similar
Iberia
4 Dec
SJU21:40San Juan Luis Munoz Marin Intl
17h 20m
1 stop
LGW19:00London Gatwick
11 Dec
LGW11:45London Gatwick
12h 10m
1 stop
SJU19:55San Juan Luis Munoz Marin Intl
£583
Find similar
Iberia
4 Mar
SJU18:10San Juan Luis Munoz Marin Intl
12h 40m
1 stop
LGW10:50London Gatwick
10 Mar
LGW11:45London Gatwick
12h 10m
1 stop
SJU19:55San Juan Luis Munoz Marin Intl
£715
Find similar

TAP AIR PORTUGAL flights from San Juan to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on San Juan to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
18 Feb
SJU06:00San Juan Luis Munoz Marin Intl
23h 50m
2 stops
LGW09:50London Gatwick
26 Feb
LGW10:40London Gatwick
21h 10m
2 stops
SJU03:50San Juan Luis Munoz Marin Intl
£652
Find similar
TAP AIR PORTUGAL
18 Feb
SJU06:00San Juan Luis Munoz Marin Intl
23h 50m
2 stops
LGW09:50London Gatwick
27 Feb
LGW10:40London Gatwick
21h 10m
2 stops
SJU03:50San Juan Luis Munoz Marin Intl
£653
Find similar
TAP AIR PORTUGAL
4 Mar
SJU10:55San Juan Luis Munoz Marin Intl
24h 10m
2 stops
LGW15:05London Gatwick
10 Mar
LGW10:40London Gatwick
26h 14m
2 stops
SJU08:54San Juan Luis Munoz Marin Intl
£672
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 12 November 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

Thu 15/1

06:00-09:00

2 stops23h 00m

London Gatwick

Mon 19/1

12:30-12:27

2 stops27h 57m

£581

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 22/1

21:25-19:00

1 stop17h 35m

London Gatwick

Thu 29/1

11:45-19:55

1 stop12h 10m

£581

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 4/12

21:40-19:00

1 stop17h 20m

London Gatwick

Thu 11/12

11:45-19:55

1 stop12h 10m

£583

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 4/12

10:42-06:00

2 stops39h 18m

London Gatwick

Thu 11/12

14:00-09:55

1 stop23h 55m

£639

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 18/2

06:00-09:50

2 stops23h 50m

London Gatwick

Thu 26/2

10:40-03:50

2 stops21h 10m

£652

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 18/2

06:00-09:50

2 stops23h 50m

London Gatwick

Fri 27/2

10:40-03:50

2 stops21h 10m

£653

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Tue 2/12

09:15-06:00

1 stop16h 45m

London Gatwick

Thu 4/12

08:30-23:54

3 stops43h 24m

£660

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 12/2

16:55-19:25

2 stops22h 30m

London Gatwick

Tue 17/2

15:25-17:05

2 stops29h 40m

£662

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 12/2

11:52-10:00

1 stop18h 08m

London Gatwick

Tue 17/2

15:25-17:05

2 stops29h 40m

£663

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 18/2

10:55-10:55

2 stops20h 00m

London Gatwick

Thu 26/2

11:55-03:50

2 stops19h 55m

£777

Flights are sorted by cheapest return flights first.

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

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?

TAP AIR PORTUGAL, British Airways, 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.
Search flight deals

  • 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
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Dover
Colchester
Chelmsford
Hayes
Worthing
Ramsgate
Dartford
Bedford
Winchester

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.

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/12
Fri 19/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London