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Cheap flights from the United Kingdom to San Juan from £342

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 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
12:10 - 00:10
EDI
-
SJU
17h 00m
1 stop
JetBlue Logo
13:30 - 09:20
SJU
-
EDI
14h 50m
1 stop
£478JetBlue
Mon, 6 Jul - Wed, 15 Jul
JetBlue Logo
12:20 - 21:32
LGW
-
SJU
14h 12m
1 stop
JetBlue Logo
16:55 - 09:35
SJU
-
LGW
11h 40m
1 stop
£581JetBlue
Wed, 2 Sep - Mon, 7 Sep
British Airways Logo
09:35 - 18:50
LCY
-
SJU
14h 15m
1 stop
British Airways Logo
20:25 - 15:15
SJU
-
LCY
13h 50m
1 stop
£912British Airways
Tue, 8 Sep - Tue, 22 Sep
Aer Lingus Logo
20:25 - 19:05
BHX
-
SJU
27h 40m
2 stops
Aer Lingus Logo
20:25 - 07:40
SJU
-
BHX
30h 15m
2 stops
£924Aer Lingus
Fri, 12 Jun - Fri, 19 Jun
Aer Lingus Logo
21:25 - 15:55
GLA
-
SJU
23h 30m
2 stops
Aer Lingus Logo
07:25 - 09:00
SJU
-
GLA
20h 35m
2 stops
£965Aer Lingus
Thu, 11 Jun - Wed, 17 Jun
British Airways Logo
07:45 - 23:47
LCY
-
SJU
20h 02m
2 stops
British Airways Logo
21:35 - 14:05
SJU
-
LCY
12h 30m
1 stop
£1,104British Airways
Sat, 7 Nov - Wed, 11 Nov
Iberia Logo
09:35 - 18:50
LCY
-
SJU
14h 15m
1 stop
Iberia Logo
20:25 - 15:15
SJU
-
LCY
13h 50m
1 stop
£1,115Iberia
Wed, 10 Jun - Tue, 8 Sep
Iberia Logo
09:35 - 18:50
LCY
-
SJU
14h 15m
1 stop
Iberia Logo
20:25 - 15:15
SJU
-
LCY
13h 50m
1 stop
£1,117Iberia
Wed, 10 Jun - Tue, 8 Sep
United Airlines Logo
14:00 - 13:45
GLA
-
SJU
28h 45m
1 stop
United Airlines Logo
15:56 - 10:10
SJU
-
GLA
37h 14m
2 stops
£1,217United Airlines
Wed, 16 Sep - Sun, 20 Sep
United Airlines Logo
14:00 - 13:45
GLA
-
SJU
28h 45m
1 stop
United Airlines Logo
14:55 - 10:10
SJU
-
GLA
14h 15m
1 stop
£1,247United Airlines
Wed, 16 Sep - Sun, 20 Sep

TAP AIR PORTUGAL flights from United Kingdom to San Juan Luis Munoz Marin Intl Airport

Our best TAP AIR PORTUGAL deals on United Kingdom to San Juan Luis Munoz Marin Intl Airport flight tickets
TAP AIR PORTUGAL
5 Jun
LHR08:40London Heathrow
18h 02m
1 stop
SJU21:42San Juan Luis Munoz Marin Intl
12 Jun
SJU06:00San Juan Luis Munoz Marin Intl
19h 30m
1 stop
LHR06:30London Heathrow
£672
TAP AIR PORTUGAL
14 May
LHR08:40London Heathrow
23h 01m
1 stop
SJU02:41San Juan Luis Munoz Marin Intl
22 May
SJU13:27San Juan Luis Munoz Marin Intl
12h 03m
1 stop
LHR06:30London Heathrow
£722
TAP AIR PORTUGAL
22 Oct
LHR11:20London Heathrow
30h 48m
2 stops
SJU13:08San Juan Luis Munoz Marin Intl
31 Oct
SJU06:00San Juan Luis Munoz Marin Intl
26h 40m
2 stops
LHR12:40London Heathrow
£727

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
6 Jul
EDI12:10Edinburgh Turnhouse
17h 00m
1 stop
SJU00:10San Juan Luis Munoz Marin Intl
15 Jul
SJU13:30San Juan Luis Munoz Marin Intl
14h 50m
1 stop
EDI09:20Edinburgh Turnhouse
£478
JetBlue
2 Sept
LGW12:20London Gatwick
14h 12m
1 stop
SJU21:32San Juan Luis Munoz Marin Intl
7 Sept
SJU16:55San Juan Luis Munoz Marin Intl
11h 40m
1 stop
LGW09:35London Gatwick
£581
JetBlue
6 Jun
LGW12:20London Gatwick
14h 52m
1 stop
SJU22:12San Juan Luis Munoz Marin Intl
15 Jun
SJU16:53San Juan Luis Munoz Marin Intl
11h 42m
1 stop
LGW09:35London Gatwick
£590

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 13 May 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

EdinburghSan Juan

EDI - SJU

EDISJU

Edinburgh Turnhouse

Mon 6/7

12:10-00:10

1 stop17h 00m

San Juan Luis Munoz Marin Intl

Wed 15/7

13:30-09:20

1 stop14h 50m

£478
Fastest return journey

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 2/9

12:20-21:32

1 stop14h 12m

San Juan Luis Munoz Marin Intl

Mon 7/9

16:55-09:35

1 stop11h 40m

£581

LondonSan Juan

LCY - SJU

LCYSJU

London City

Tue 8/9

09:35-18:50

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Tue 22/9

20:25-15:15

1 stop13h 50m

£912

BirminghamSan Juan

BHX - SJU

BHXSJU

Birmingham

Fri 12/6

20:25-19:05

2 stops27h 40m

San Juan Luis Munoz Marin Intl

Fri 19/6

20:25-07:40

2 stops30h 15m

£924

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Thu 11/6

21:25-15:55

2 stops23h 30m

San Juan Luis Munoz Marin Intl

Wed 17/6

07:25-09:00

2 stops20h 35m

£965

LondonSan Juan

LCY - SJU

LCYSJU

London City

Sat 7/11

07:45-23:47

2 stops20h 02m

San Juan Luis Munoz Marin Intl

Wed 11/11

21:35-14:05

1 stop12h 30m

£1,104

LondonSan Juan

LCY - SJU

LCYSJU

London City

Wed 10/6

09:35-18:50

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Tue 8/9

20:25-15:15

1 stop13h 50m

£1,115

LondonSan Juan

LCY - SJU

LCYSJU

London City

Wed 10/6

09:35-18:50

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Tue 8/9

20:25-15:15

1 stop13h 50m

£1,117

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Wed 16/9

14:00-13:45

1 stop28h 45m

San Juan Luis Munoz Marin Intl

Sun 20/9

15:56-10:10

2 stops37h 14m

£1,217

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Wed 16/9

14:00-13:45

1 stop28h 45m

San Juan Luis Munoz Marin Intl

Sun 20/9

14:55-10:10

1 stop14h 15m

£1,247

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 July, then book flights to San Juan Luis Munoz Marin Intl Airport from United Kingdom during June instead. Flights to San Juan Luis Munoz Marin Intl Airport in June, while not as cheap as those in July, still average around £182.

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 £657 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 £517 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 48% 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

13h 50m

Direct flights

None
The fastest flight from United Kingdom to San Juan Luis Munoz Marin Intl Airport takes 13h 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 £329Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £430Free CancellationRating
7.1
2,973 reviews
Search JetBlue flights
FinnairPriceFrom £484Free CancellationRating
7.6
1,393 reviews
Search Finnair flights
IcelandairPriceFrom £489Free CancellationRating
7.0
654 reviews
Search Icelandair flights
AviancaPriceFrom £532Free CancellationRating
6.5
2,523 reviews
Search Avianca flights
British AirwaysPriceFrom £534Free CancellationRating
6.7
7,978 reviews
Search British Airways flights
IberiaPriceFrom £588Free CancellationRating
7.0
3,216 reviews
Search Iberia flights
Aer LingusPriceFrom £650Free CancellationRating
7.3
1,561 reviews
Search Aer Lingus 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
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.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

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