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Cheap flights from the United Kingdom to San Juan from £302

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 27/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
Multiple Airlines Logo
14:00 - 01:52LGW  London Gatwick-SJU San Juan Luis Munoz Marin Intl
16h 52m1 stop Orlando
Multiple Airlines Logo
10:42 - 10:00SJU  San Juan Luis Munoz Marin Intl-LGW London Gatwick
18h 18m1 stop Orlando
£553Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
12:35 - 02:50LGW  London Gatwick-SJU San Juan Luis Munoz Marin Intl
18h 15m1 stop Orlando
Multiple Airlines Logo
02:59 - 06:00SJU  San Juan Luis Munoz Marin Intl-LGW London Gatwick
23h 01m2 stops Philadelphia Orlando
£566Multiple Airlines
Fri, 6 Nov - Mon, 9 Nov
JetBlue Logo
07:25 - 12:23LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
32h 58m1 stop New York John F Kennedy Intl
JetBlue Logo
16:00 - 20:45SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
24h 45m1 stop New York John F Kennedy Intl
£589JetBlue
Fri, 6 Nov - Tue, 10 Nov
JetBlue Logo
08:15 - 19:33LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
16h 18m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 09:30SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
22h 30m1 stop New York John F Kennedy Intl
£589JetBlue
Wed, 7 Oct - Sun, 11 Oct
Iberia Logo
09:15 - 20:00LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 45m1 stop Madrid Barajas
Iberia Logo
21:35 - 16:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
15h 00m1 stop Madrid Barajas
£676Iberia
Mon, 18 Jan - Tue, 26 Jan
Iberia Logo
09:15 - 20:00LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 45m1 stop Madrid Barajas
Iberia Logo
21:35 - 16:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
15h 00m1 stop Madrid Barajas
£716Iberia
Fri, 15 Jan - Mon, 25 Jan
Icelandair Logo
20:35 - 02:25LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
33h 50m2 stops Reykjavik Keflavik Intl New York John F Kennedy Intl
Icelandair Logo
11:06 - 19:30SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
28h 24m2 stops New York John F Kennedy Intl Reykjavik Keflavik Intl
£726Icelandair
Mon, 18 Jan - Tue, 26 Jan
Icelandair Logo
21:25 - 13:39LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
45h 14m2 stops Reykjavik Keflavik Intl New York John F Kennedy Intl
Icelandair Logo
13:00 - 20:20SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
26h 20m2 stops New York John F Kennedy Intl Reykjavik Keflavik Intl
£730Icelandair
Mon, 28 Sep - Tue, 13 Oct
Aer Lingus Logo
18:35 - 20:00BHX  Birmingham-SJU San Juan Luis Munoz Marin Intl
29h 25m2 stops Dublin Madrid Barajas
Aer Lingus Logo
18:10 - 18:05SJU  San Juan Luis Munoz Marin Intl-BHX Birmingham
19h 55m2 stops Madrid Barajas Dublin
£747Aer Lingus
Tue, 24 Nov - Sun, 29 Nov
Aer Lingus Logo
18:35 - 16:40BHX  Birmingham-SJU San Juan Luis Munoz Marin Intl
26h 05m2 stops Dublin Madrid Barajas
Aer Lingus Logo
18:10 - 16:05SJU  San Juan Luis Munoz Marin Intl-BHX Birmingham
17h 55m2 stops Madrid Barajas Dublin
£747Aer Lingus
Tue, 24 Nov - Sun, 29 Nov

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

Our best Aer Lingus deals on United Kingdom to San Juan Luis Munoz Marin Intl Airport flight tickets
Aer Lingus
24 Nov
BHX18:35Birmingham
29h 25m
2 stops
SJU20:00San Juan Luis Munoz Marin Intl
29 Nov
SJU18:10San Juan Luis Munoz Marin Intl
19h 55m
2 stops
BHX18:05Birmingham
£747
Aer Lingus
24 Nov
BHX18:35Birmingham
26h 05m
2 stops
SJU16:40San Juan Luis Munoz Marin Intl
29 Nov
SJU18:10San Juan Luis Munoz Marin Intl
17h 55m
2 stops
BHX16:05Birmingham
£747
Aer Lingus
8 Jan
MAN12:05Manchester
18h 20m
2 stops
SJU02:25San Juan Luis Munoz Marin Intl
16 Jan
SJU21:35San Juan Luis Munoz Marin Intl
30h 00m
2 stops
MAN07:35Manchester
£748

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
19 Nov
LCY07:40London City
13h 00m
1 stop
SJU16:40San Juan Luis Munoz Marin Intl
30 Nov
SJU10:32San Juan Luis Munoz Marin Intl
18h 18m
2 stops
LCY08:50London City
£961
British Airways
19 Nov
LCY07:40London City
13h 00m
1 stop
SJU16:40San Juan Luis Munoz Marin Intl
30 Nov
SJU10:32San Juan Luis Munoz Marin Intl
18h 18m
2 stops
LCY08:50London City
£965
British Airways
20 Jan
LCY07:40London City
13h 00m
1 stop
SJU16:40San Juan Luis Munoz Marin Intl
27 Jan
SJU11:38San Juan Luis Munoz Marin Intl
17h 12m
2 stops
LCY08:50London City
£1,026

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 18 August 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

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Sun 27/9

14:00-01:52

1 stop16h 52m

San Juan Luis Munoz Marin Intl

Sun 4/10

10:42-10:00

1 stop18h 18m

£553

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Fri 6/11

12:35-02:50

1 stop18h 15m

San Juan Luis Munoz Marin Intl

Mon 9/11

02:59-06:00

2 stops23h 01m

£566

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 6/11

07:25-12:23

1 stop32h 58m

San Juan Luis Munoz Marin Intl

Tue 10/11

16:00-20:45

1 stop24h 45m

£589

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 7/10

08:15-19:33

1 stop16h 18m

San Juan Luis Munoz Marin Intl

Sun 11/10

06:00-09:30

1 stop22h 30m

£589
Fastest return journey

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 18/1

09:15-20:00

1 stop14h 45m

San Juan Luis Munoz Marin Intl

Tue 26/1

21:35-16:35

1 stop15h 00m

£676

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 15/1

09:15-20:00

1 stop14h 45m

San Juan Luis Munoz Marin Intl

Mon 25/1

21:35-16:35

1 stop15h 00m

£716

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 18/1

20:35-02:25

2 stops33h 50m

San Juan Luis Munoz Marin Intl

Tue 26/1

11:06-19:30

2 stops28h 24m

£726

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 28/9

21:25-13:39

2 stops45h 14m

San Juan Luis Munoz Marin Intl

Tue 13/10

13:00-20:20

2 stops26h 20m

£730

BirminghamSan Juan

BHX Birmingham - SJU San Juan Luis Munoz Marin Intl

BHXSJU

Birmingham

Tue 24/11

18:35-20:00

2 stops29h 25m

San Juan Luis Munoz Marin Intl

Sun 29/11

18:10-18:05

2 stops19h 55m

£747

BirminghamSan Juan

BHX Birmingham - SJU San Juan Luis Munoz Marin Intl

BHXSJU

Birmingham

Tue 24/11

18:35-16:40

2 stops26h 05m

San Juan Luis Munoz Marin Intl

Sun 29/11

18:10-16:05

2 stops17h 55m

£747

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 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 February, then book flights to San Juan Luis Munoz Marin Intl Airport from United Kingdom during November instead. Flights to San Juan Luis Munoz Marin Intl Airport in November, while not as cheap as those in February, still average around £620.

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 £726 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 £552 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 76% 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

Best price found

£302

Fastest flight time

13h 00m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from United Kingdom in the past 72 hours is £302. The best return flight deal from United Kingdom to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is £553.
The fastest flight from United Kingdom to San Juan Luis Munoz Marin Intl Airport takes 13h 00m
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.
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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 £329Free CancellationRating
7.5
692 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £420Free CancellationRating
7.1
3,033 reviews
Search JetBlue flights
IcelandairPriceFrom £480Free CancellationRating
6.9
732 reviews
Search Icelandair flights
Aer LingusPriceFrom £650Free CancellationRating
7.3
1,708 reviews
Search Aer Lingus flights
IberiaPriceFrom £765Free CancellationRating
7.0
3,258 reviews
Search Iberia flights
British AirwaysPriceFrom £836Free CancellationRating
6.7
8,173 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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