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Cheap flights from the United Kingdom to San Juan from £291

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 19/11. 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

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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

Logo
14:00 - 02:54LGW-SJU
16h 54m1 stop
Logo
09:00 - 06:00SJU-LGW
17h 00m1 stop
£490
Find Deal
jeu., 6 nov. - lun., 10 nov.
Icelandair Logo
08:15 - 22:32LHR-SJU
19h 17m1 stop
Icelandair Logo
17:15 - 06:30SJU-LHR
32h 15m1 stop
£493Icelandair
Find Deal
mar., 9 sept. - mer., 24 sept.
JetBlue Logo
08:15 - 14:56LHR-SJU
35h 41m1 stop
JetBlue Logo
14:05 - 09:30SJU-LHR
14h 25m1 stop
£497JetBlue
Find Deal
mer., 1 oct. - jeu., 9 oct.
JetBlue Logo
07:25 - 23:47LHR-SJU
20h 22m1 stop
JetBlue Logo
06:00 - 20:45SJU-LHR
34h 45m1 stop
£499JetBlue
Find Deal
ven., 20 févr. - dim., 1 mars
Aer Lingus Logo
08:10 - 14:54MAN-SJU
35h 44m2 stops
Aer Lingus Logo
08:05 - 09:30SJU-MAN
21h 25m2 stops
£582Aer Lingus
Find Deal
mar., 21 oct. - mar., 4 nov.
TAP AIR PORTUGAL Logo
16:40 - 03:17LGW-SJU
38h 37m2 stops
TAP AIR PORTUGAL Logo
09:20 - 20:40SJU-LGW
31h 20m2 stops
£591TAP AIR PORTUGAL
Find Deal
ven., 7 nov. - sam., 15 nov.
TAP AIR PORTUGAL Logo
16:00 - 03:17LGW-SJU
39h 17m2 stops
TAP AIR PORTUGAL Logo
09:20 - 20:40SJU-LGW
31h 20m2 stops
£594TAP AIR PORTUGAL
Find Deal
jeu., 6 nov. - sam., 15 nov.
Aer Lingus Logo
14:20 - 14:54MAN-SJU
29h 34m2 stops
Aer Lingus Logo
19:25 - 06:50SJU-MAN
31h 25m1 stop
£616Aer Lingus
Find Deal
mar., 21 oct. - mar., 4 nov.
Iberia Logo
09:10 - 19:55LCY-SJU
14h 45m1 stop
Iberia Logo
21:25 - 14:35SJU-LCY
13h 10m1 stop
£932Iberia
Find Deal
lun., 19 janv. - lun., 26 janv.
Iberia Logo
07:50 - 16:35LCY-SJU
12h 45m1 stop
Iberia Logo
21:25 - 14:35SJU-LCY
13h 10m1 stop
£957Iberia
Find Deal
ven., 30 janv. - lun., 9 févr.

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

Our best Icelandair deals on United Kingdom to San Juan Luis Munoz Marin Intl Airport flight tickets
Icelandair
9 Sept
LHR08:15London Heathrow
19h 17m
1 stop
SJU22:32San Juan Luis Munoz Marin Intl
24 Sept
SJU17:15San Juan Luis Munoz Marin Intl
32h 15m
1 stop
LHR06:30London Heathrow
£493
Find similar
Icelandair
9 Sept
LHR08:15London Heathrow
19h 17m
1 stop
SJU22:32San Juan Luis Munoz Marin Intl
21 Sept
SJU06:00San Juan Luis Munoz Marin Intl
19h 30m
2 stops
LHR06:30London Heathrow
£500
Find similar
Icelandair
9 Sept
LHR08:15London Heathrow
19h 17m
1 stop
SJU22:32San Juan Luis Munoz Marin Intl
24 Sept
SJU06:00San Juan Luis Munoz Marin Intl
19h 30m
2 stops
LHR06:30London Heathrow
£504
Find similar

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
1 Oct
LHR08:15London Heathrow
35h 41m
1 stop
SJU14:56San Juan Luis Munoz Marin Intl
9 Oct
SJU14:05San Juan Luis Munoz Marin Intl
14h 25m
1 stop
LHR09:30London Heathrow
£497
Find similar
JetBlue
20 Feb
LHR07:25London Heathrow
20h 22m
1 stop
SJU23:47San Juan Luis Munoz Marin Intl
1 Mar
SJU06:00San Juan Luis Munoz Marin Intl
34h 45m
1 stop
LHR20:45London Heathrow
£499
Find similar
JetBlue
9 Sept
LHR08:15London Heathrow
19h 17m
1 stop
SJU22:32San Juan Luis Munoz Marin Intl
21 Sept
SJU06:00San Juan Luis Munoz Marin Intl
22h 30m
1 stop
LHR09:30London Heathrow
£501
Find similar

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 26 août 2025.
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

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

jeu. 6/11

14:00-02:54

1 stop16h 54m

San Juan Luis Munoz Marin Intl

lun. 10/11

09:00-06:00

1 stop17h 00m

£490

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

mar. 9/9

08:15-22:32

1 stop19h 17m

San Juan Luis Munoz Marin Intl

mer. 24/9

17:15-06:30

1 stop32h 15m

£493

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

mer. 1/10

08:15-14:56

1 stop35h 41m

San Juan Luis Munoz Marin Intl

jeu. 9/10

14:05-09:30

1 stop14h 25m

£497

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

ven. 20/2

07:25-23:47

1 stop20h 22m

San Juan Luis Munoz Marin Intl

dim. 1/3

06:00-20:45

1 stop34h 45m

£499

ManchesterSan Juan

MAN - SJU

MANSJU

Manchester

mar. 21/10

08:10-14:54

2 stops35h 44m

San Juan Luis Munoz Marin Intl

mar. 4/11

08:05-09:30

2 stops21h 25m

£582

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

ven. 7/11

16:40-03:17

2 stops38h 37m

San Juan Luis Munoz Marin Intl

sam. 15/11

09:20-20:40

2 stops31h 20m

£591

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

jeu. 6/11

16:00-03:17

2 stops39h 17m

San Juan Luis Munoz Marin Intl

sam. 15/11

09:20-20:40

2 stops31h 20m

£594

ManchesterSan Juan

MAN - SJU

MANSJU

Manchester

mar. 21/10

14:20-14:54

2 stops29h 34m

San Juan Luis Munoz Marin Intl

mar. 4/11

19:25-06:50

1 stop31h 25m

£616

LondonSan Juan

LCY - SJU

LCYSJU

London City

lun. 19/1

09:10-19:55

1 stop14h 45m

San Juan Luis Munoz Marin Intl

lun. 26/1

21:25-14:35

1 stop13h 10m

£932

LondonSan Juan

LCY - SJU

LCYSJU

London City

ven. 30/1

07:50-16:35

1 stop12h 45m

San Juan Luis Munoz Marin Intl

lun. 9/2

21:25-14:35

1 stop13h 10m

£957

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 September, 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 September, still average around £552.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest day to depart from United Kingdom to San Juan Luis Munoz Marin Intl Airport is on a Monday when prices can be found for as low as £527. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to San Juan Luis Munoz Marin Intl Airport for around £643.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

In the morning is the cheapest time of day to fly from United Kingdom to San Juan Luis Munoz Marin Intl Airport when you can find flight prices for as low as £583. Flying to San Juan Luis Munoz Marin Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £833 on average. Flights to San Juan Luis Munoz Marin Intl Airport from United Kingdom in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £643 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 £514 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 50% 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

Direct flights

None
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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  • 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 £342Free CancellationRating
7.4
658 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom £422Free CancellationRating
7.0
533 reviews
Search Icelandair flights
JetBluePriceFrom £452Free CancellationRating
7.2
2,918 reviews
Search JetBlue flights
FinnairPriceFrom £453Free CancellationRating
7.6
1,320 reviews
Search Finnair flights
IberiaPriceFrom £509Free CancellationRating
7.0
2,891 reviews
Search Iberia flights
British AirwaysPriceFrom £554Free CancellationRating
6.7
7,309 reviews
Search British Airways flights
Aer LingusPriceFrom £661Free CancellationRating
7.2
1,237 reviews
Search Aer Lingus flights
DeltaPriceFrom £767Free CancellationRating
7.9
7,979 reviews
Search Delta flights
KLMPriceFrom £862Free CancellationRating
7.8
1,387 reviews
Search KLM flights

Travelling to a place near San Juan?

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

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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