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Cheap flights from the United Kingdom to San Juan from £335

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to San Juan departing on 4/9. 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

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Find the cheapest flights from the United Kingdom to San Juan

Recent return flight deals from the United Kingdom to San Juan

Enter your travel dates to find the best prices.
JetBlue Logo
12:20 - 23:54
LGW
-
SJU
16h 34m
1 stop
JetBlue Logo
13:50 - 09:35
SJU
-
LGW
14h 45m
1 stop
£489JetBlue
Fri, 28 Aug - Thu, 3 Sep
Multiple Airlines Logo
14:00 - 01:50
LGW
-
SJU
16h 50m
1 stop
Multiple Airlines Logo
06:15 - 10:00
SJU
-
LGW
22h 45m
2 stops
£505Multiple Airlines
Mon, 5 Oct - Wed, 14 Oct
Multiple Airlines Logo
14:00 - 01:50
LGW
-
SJU
16h 50m
1 stop
Multiple Airlines Logo
21:49 - 10:00
SJU
-
LGW
31h 11m
1 stop
£511Multiple Airlines
Mon, 5 Oct - Sun, 11 Oct
Icelandair Logo
14:20 - 14:14
GLA
-
SJU
28h 54m
2 stops
Icelandair Logo
17:23 - 13:25
SJU
-
GLA
39h 02m
2 stops
£926Icelandair
Fri, 4 Sep - Tue, 8 Sep
Icelandair Logo
14:20 - 10:00
GLA
-
SJU
24h 40m
2 stops
Icelandair Logo
17:23 - 13:25
SJU
-
GLA
39h 02m
2 stops
£964Icelandair
Fri, 4 Sep - Tue, 8 Sep
Aer Lingus Logo
08:45 - 20:00
NCL
-
SJU
39h 15m
2 stops
Aer Lingus Logo
18:10 - 19:05
SJU
-
NCL
20h 55m
2 stops
£1,054Aer Lingus
Wed, 23 Dec - Wed, 20 Jan
British Airways Logo
11:05 - 18:45
NCL
-
SJU
36h 40m
2 stops
British Airways Logo
11:51 - 10:00
SJU
-
NCL
17h 09m
2 stops
£1,085British Airways
Fri, 11 Sep - Tue, 15 Sep
British Airways Logo
19:15 - 15:25
LCY
-
SJU
25h 10m
1 stop
British Airways Logo
17:15 - 15:15
SJU
-
LCY
17h 00m
1 stop
£1,101British Airways
Fri, 18 Sep - Tue, 22 Sep
Iberia Logo
07:45 - 15:25
LCY
-
SJU
36h 40m
2 stops
Iberia Logo
06:27 - 15:15
SJU
-
LCY
27h 48m
2 stops
£1,131Iberia
Sat, 26 Sep - Wed, 30 Sep
Iberia Logo
16:05 - 15:25
LCY
-
SJU
28h 20m
2 stops
Iberia Logo
20:05 - 15:15
SJU
-
LCY
14h 10m
1 stop
£1,136Iberia
Fri, 18 Sep - Tue, 22 Sep

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JetBlue flights from United Kingdom to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on United Kingdom to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
28 Aug
LGW12:20London Gatwick
16h 34m
1 stop
SJU23:54San Juan Luis Munoz Marin Intl
3 Sept
SJU13:50San Juan Luis Munoz Marin Intl
14h 45m
1 stop
LGW09:35London Gatwick
£489
JetBlue
28 Aug
LHR11:55London Heathrow
15h 50m
1 stop
SJU22:45San Juan Luis Munoz Marin Intl
3 Sept
SJU15:24San Juan Luis Munoz Marin Intl
13h 06m
1 stop
LHR09:30London Heathrow
£547
JetBlue
14 Nov
LHR09:20London Heathrow
19h 05m
1 stop
SJU00:25San Juan Luis Munoz Marin Intl
17 Nov
SJU20:00San Juan Luis Munoz Marin Intl
20h 45m
1 stop
LHR20:45London Heathrow
£586

British Airways flights from United Kingdom to San Juan Luis Munoz Marin Intl Airport

Our best British Airways deals on United Kingdom to San Juan Luis Munoz Marin Intl Airport flight tickets
British Airways
14 Dec
MAN06:05Manchester
21h 48m
2 stops
SJU23:53San Juan Luis Munoz Marin Intl
25 Jan
SJU16:49San Juan Luis Munoz Marin Intl
18h 21m
2 stops
MAN15:10Manchester
£1,039
British Airways
11 Sept
NCL11:05Newcastle upon Tyne
36h 40m
2 stops
SJU18:45San Juan Luis Munoz Marin Intl
15 Sept
SJU11:51San Juan Luis Munoz Marin Intl
17h 09m
2 stops
NCL10:00Newcastle upon Tyne
£1,085
British Airways
28 Aug
LCY09:50London City
14h 00m
1 stop
SJU18:50San Juan Luis Munoz Marin Intl
3 Sept
SJU20:25San Juan Luis Munoz Marin Intl
13h 50m
1 stop
LCY15:15London City
£1,169

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 29 June 2026.
Use the filters below to find and compare flights from the United Kingdom to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 28/8

12:20-23:54

1 stop16h 34m

San Juan Luis Munoz Marin Intl

Thu 3/9

13:50-09:35

1 stop14h 45m

£489

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 5/10

14:00-01:50

1 stop16h 50m

San Juan Luis Munoz Marin Intl

Wed 14/10

06:15-10:00

2 stops22h 45m

£505

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 5/10

14:00-01:50

1 stop16h 50m

San Juan Luis Munoz Marin Intl

Sun 11/10

21:49-10:00

1 stop31h 11m

£511

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Fri 4/9

14:20-14:14

2 stops28h 54m

San Juan Luis Munoz Marin Intl

Tue 8/9

17:23-13:25

2 stops39h 02m

£926

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Fri 4/9

14:20-10:00

2 stops24h 40m

San Juan Luis Munoz Marin Intl

Tue 8/9

17:23-13:25

2 stops39h 02m

£964

Newcastle upon TyneSan Juan

NCL - SJU

NCLSJU

Newcastle upon Tyne

Wed 23/12

08:45-20:00

2 stops39h 15m

San Juan Luis Munoz Marin Intl

Wed 20/1

18:10-19:05

2 stops20h 55m

£1,054

Newcastle upon TyneSan Juan

NCL - SJU

NCLSJU

Newcastle upon Tyne

Fri 11/9

11:05-18:45

2 stops36h 40m

San Juan Luis Munoz Marin Intl

Tue 15/9

11:51-10:00

2 stops17h 09m

£1,085

LondonSan Juan

LCY - SJU

LCYSJU

London City

Fri 18/9

19:15-15:25

1 stop25h 10m

San Juan Luis Munoz Marin Intl

Tue 22/9

17:15-15:15

1 stop17h 00m

£1,101

LondonSan Juan

LCY - SJU

LCYSJU

London City

Sat 26/9

07:45-15:25

2 stops36h 40m

San Juan Luis Munoz Marin Intl

Wed 30/9

06:27-15:15

2 stops27h 48m

£1,131

LondonSan Juan

LCY - SJU

LCYSJU

London City

Fri 18/9

16:05-15:25

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Tue 22/9

20:05-15:15

1 stop14h 10m

£1,136

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from United Kingdom 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 month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel during the month of May, then book flights to San Juan Luis Munoz Marin Intl Airport from United Kingdom during September instead. Flights to San Juan Luis Munoz Marin Intl Airport in September, while not as cheap as those in May, still average around £276.

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around £706 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from United Kingdom for as low as £612 on momondo.

Can stopping save me money on United Kingdom to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 47% on your flight if you consider stops on a United Kingdom to San Juan Luis Munoz Marin Intl Airport flight.

Cheap United Kingdom to San Juan Luis Munoz Marin Intl Airport flight deals and tips

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

Fastest flight time

12h 50m

Direct flights

None
The fastest flight from United Kingdom to San Juan Luis Munoz Marin Intl Airport takes 12h 50m
There are no direct flights from United Kingdom to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from United Kingdom to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

Frequently asked questions about flying from the United Kingdom to San Juan Luis Munoz Marin Intl Airport

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

    Prices for flights from United Kingdom to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from United Kingdom 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 United Kingdom 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 necessary travel and health documents for your San Juan Luis Munoz Marin Intl 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.

Best airlines flying from United Kingdom to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from United Kingdom to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £338Free CancellationRating
7.5
690 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £442Free CancellationRating
7.1
3,012 reviews
Search JetBlue flights
AviancaPriceFrom £501Free CancellationRating
6.5
2,529 reviews
Search Avianca flights
IcelandairPriceFrom £511Free CancellationRating
7.0
694 reviews
Search Icelandair flights
IberiaPriceFrom £590Free CancellationRating
7.0
3,247 reviews
Search Iberia flights
Aer LingusPriceFrom £649Free CancellationRating
7.3
1,631 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £850Free CancellationRating
6.7
8,083 reviews
Search British Airways 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 United Kingdom to San Juan?

Finding the right flight to San Juan from United Kingdom 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 United Kingdom to San Juan with flexible booking policies on momondo?

Flights from United Kingdom to San Juan 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 United Kingdom to San Juan?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to San Juan.

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

Yes momondo offers price alerts on flights to San Juan from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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