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Cheap flights from England to San Juan from £309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from England to San Juan departing on 4/11. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from England to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
07:25 - 03:48
LHR
-
SJU
24h 23m
1 stop
JetBlue Logo
07:10 - 06:55
SJU
-
LHR
19h 45m
1 stop
£577JetBlue
Thu, 3 Dec - Sun, 13 Dec
Multiple Airlines Logo
14:00 - 15:25
LGW
-
SJU
30h 25m
2 stops
Multiple Airlines Logo
09:03 - 10:00
SJU
-
LGW
19h 57m
1 stop
£581Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
JetBlue Logo
09:20 - 23:55
LHR
-
SJU
18h 35m
1 stop
JetBlue Logo
20:10 - 06:55
SJU
-
LHR
30h 45m
1 stop
£582JetBlue
Mon, 7 Dec - Fri, 11 Dec
JetBlue Logo
09:20 - 00:25
LHR
-
SJU
19h 05m
1 stop
JetBlue Logo
05:30 - 21:40
SJU
-
LHR
12h 10m
1 stop
£585JetBlue
Wed, 11 Nov - Tue, 24 Nov
Multiple Airlines Logo
14:00 - 13:16
LGW
-
SJU
28h 16m
1 stop
Multiple Airlines Logo
06:05 - 10:00
SJU
-
LGW
22h 55m
1 stop
£586Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
JetBlue Logo
09:20 - 00:25
LHR
-
SJU
19h 05m
1 stop
JetBlue Logo
05:30 - 21:40
SJU
-
LHR
12h 10m
1 stop
£586JetBlue
Wed, 11 Nov - Tue, 24 Nov
TAP AIR PORTUGAL Logo
12:20 - 10:00
LGW
-
SJU
26h 40m
1 stop
TAP AIR PORTUGAL Logo
14:30 - 09:35
SJU
-
LGW
14h 05m
1 stop
£659TAP AIR PORTUGAL
Fri, 14 Aug - Fri, 21 Aug
TAP AIR PORTUGAL Logo
12:20 - 23:54
LGW
-
SJU
16h 34m
1 stop
TAP AIR PORTUGAL Logo
14:30 - 09:35
SJU
-
LGW
14h 05m
1 stop
£670TAP AIR PORTUGAL
Thu, 20 Aug - Thu, 27 Aug
Aer Lingus Logo
19:25 - 16:40
LCY
-
SJU
25h 15m
2 stops
Aer Lingus Logo
18:10 - 17:30
SJU
-
LCY
19h 20m
2 stops
£995Aer Lingus
Mon, 2 Nov - Sun, 15 Nov
Lufthansa Logo
18:30 - 20:38
LCY
-
SJU
31h 08m
2 stops
Lufthansa Logo
07:00 - 17:55
SJU
-
LCY
29h 55m
2 stops
£996Lufthansa
Mon, 5 Oct - Mon, 12 Oct

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JetBlue flights from England to San Juan

Our best JetBlue deals on England to San Juan flight tickets
JetBlue
3 Dec
LHR07:25London Heathrow
24h 23m
1 stop
SJU03:48San Juan Luis Munoz Marin Intl
13 Dec
SJU07:10San Juan Luis Munoz Marin Intl
19h 45m
1 stop
LHR06:55London Heathrow
£577
JetBlue
7 Dec
LHR09:20London Heathrow
18h 35m
1 stop
SJU23:55San Juan Luis Munoz Marin Intl
11 Dec
SJU20:10San Juan Luis Munoz Marin Intl
30h 45m
1 stop
LHR06:55London Heathrow
£582
JetBlue
11 Nov
LHR09:20London Heathrow
19h 05m
1 stop
SJU00:25San Juan Luis Munoz Marin Intl
24 Nov
SJU05:30San Juan Luis Munoz Marin Intl
12h 10m
1 stop
LHR21:40London Heathrow
£585

TAP AIR PORTUGAL flights from England to San Juan

Our best TAP AIR PORTUGAL deals on England to San Juan flight tickets
TAP AIR PORTUGAL
20 Aug
LHR11:55London Heathrow
25h 52m
1 stop
SJU08:47San Juan Luis Munoz Marin Intl
27 Aug
SJU14:30San Juan Luis Munoz Marin Intl
35h 00m
1 stop
LHR06:30London Heathrow
£646
TAP AIR PORTUGAL
20 Aug
LHR11:55London Heathrow
25h 52m
1 stop
SJU08:47San Juan Luis Munoz Marin Intl
30 Aug
SJU14:30San Juan Luis Munoz Marin Intl
35h 00m
1 stop
LHR06:30London Heathrow
£650
TAP AIR PORTUGAL
14 Aug
LGW12:20London Gatwick
26h 40m
1 stop
SJU10:00San Juan Luis Munoz Marin Intl
21 Aug
SJU14:30San Juan Luis Munoz Marin Intl
14h 05m
1 stop
LGW09:35London Gatwick
£659

momondo Fare Finder

 
Customise your flight search to find flights from England to San Juan 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 5 July 2026.
Use the filters below to find and compare flights from England to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 3/12

07:25-03:48

1 stop24h 23m

San Juan Luis Munoz Marin Intl

Sun 13/12

07:10-06:55

1 stop19h 45m

£577

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 5/10

14:00-15:25

2 stops30h 25m

San Juan Luis Munoz Marin Intl

Mon 12/10

09:03-10:00

1 stop19h 57m

£581

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 7/12

09:20-23:55

1 stop18h 35m

San Juan Luis Munoz Marin Intl

Fri 11/12

20:10-06:55

1 stop30h 45m

£582

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 11/11

09:20-00:25

1 stop19h 05m

San Juan Luis Munoz Marin Intl

Tue 24/11

05:30-21:40

1 stop12h 10m

£585

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 5/10

14:00-13:16

1 stop28h 16m

San Juan Luis Munoz Marin Intl

Mon 12/10

06:05-10:00

1 stop22h 55m

£586

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 11/11

09:20-00:25

1 stop19h 05m

San Juan Luis Munoz Marin Intl

Tue 24/11

05:30-21:40

1 stop12h 10m

£586

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 14/8

12:20-10:00

1 stop26h 40m

San Juan Luis Munoz Marin Intl

Fri 21/8

14:30-09:35

1 stop14h 05m

£659
Fastest return journey

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 20/8

12:20-23:54

1 stop16h 34m

San Juan Luis Munoz Marin Intl

Thu 27/8

14:30-09:35

1 stop14h 05m

£670

LondonSan Juan

LCY - SJU

LCYSJU

London City

Mon 2/11

19:25-16:40

2 stops25h 15m

San Juan Luis Munoz Marin Intl

Sun 15/11

18:10-17:30

2 stops19h 20m

£995

LondonSan Juan

LCY - SJU

LCYSJU

London City

Mon 5/10

18:30-20:38

2 stops31h 08m

San Juan Luis Munoz Marin Intl

Mon 12/10

07:00-17:55

2 stops29h 55m

£996

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to San Juan from

How to get the cheapest flight ticket from England to San Juan

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?

The cheapest month to fly to San Juan from England is in September. Flight prices, which tend to average around £273, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to San Juan from England during October instead. Flights to San Juan in October, while not as cheap as those in September, still average around £346.

How far in advance should I book a flight from England to San Juan?

You are more likely to see cheaper flights to San Juan from England when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around £697 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 from England for as low as £605 on momondo.

Cheap England to San Juan flight deals and tips

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

Fastest flight time

14h 00m

Direct flights

None
The fastest flight from England to San Juan takes 14h 00m
There are no direct flights from England to San Juan. There are no popular flight routes from England to San Juan.
Search flight deals

Frequently asked questions about flying from England to San Juan

  • When did momondo last update prices for flights from England to San Juan?

    Prices for flights from England to San Juan refresh daily.

  • How many operators does momondo search for flights from England to San Juan?

  • How old do you have to be to fly from England to San Juan?

    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 England to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The necessary travel and health documents for your San Juan 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 England to San Juan

Compare and see reviews for airlines that fly from England to San Juan with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £334Free CancellationRating
7.5
691 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £436Free CancellationRating
7.1
3,011 reviews
Search JetBlue flights
AviancaPriceFrom £495Free CancellationRating
6.5
2,519 reviews
Search Avianca flights
IcelandairPriceFrom £505Free CancellationRating
7.0
700 reviews
Search Icelandair flights
Aer LingusPriceFrom £642Free CancellationRating
7.3
1,643 reviews
Search Aer Lingus flights
IberiaPriceFrom £776Free CancellationRating
7.0
3,249 reviews
Search Iberia flights
British AirwaysPriceFrom £840Free CancellationRating
6.7
8,094 reviews
Search British Airways flights

Why use momondo?

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

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

Flights from England 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 England to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from England. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from England to San Juan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Juan and let you know when they change.

An easier way to manage your San Juan trip

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Luis Munoz Marin Intl Airport