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Cheap flights from the United Kingdom to San Juan Luis Munoz Marin Intl Airport from £335

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
28 Jun — 5 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Luis Munoz Marin Intl
Explore the most affordable flight options available from United Kingdom to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 May 2026.

Fri 9/1011:55
LHR
-
SJU
1 stop16h 54m
JetBlue
Sat 17/1013:00
SJU
-
LHR
1 stop15h 30m
JetBlue
Deal found 24/5£557
Fri 4/1208:05
LHR
-
SJU
1 stop23h 43m
JetBlue
Fri 11/1220:10
SJU
-
LHR
1 stop30h 45m
JetBlue
Deal found 24/5£587
Sat 7/1107:25
LHR
-
SJU
1 stop32h 58m
JetBlue
Sat 14/1107:00
SJU
-
LHR
1 stop19h 55m
JetBlue
Deal found 28/5£588
Tue 17/1107:25
LHR
-
SJU
1 stop17h 20m
JetBlue
Thu 26/1105:30
SJU
-
LHR
1 stop12h 10m
JetBlue
Deal found 27/5£609
Wed 11/1109:20
LHR
-
SJU
1 stop19h 05m
JetBlue
Tue 24/1113:20
SJU
-
LHR
1 stop16h 10m
JetBlue
Deal found 25/5£613
Fri 4/908:40
LHR
-
SJU
1 stop30h 20m
JetBlue
Sun 13/906:00
SJU
-
LHR
1 stop33h 45m
JetBlue
Deal found 28/5£616
Mon 16/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
Tue 1/1214:41
SJU
-
LHR
1 stop12h 14m
JetBlue
Deal found 27/5£630
Fri 4/914:00
LGW
-
SJU
1 stop16h 54m
Multiple Airlines
Sat 12/903:00
SJU
-
LGW
1 stop26h 00m
Multiple Airlines
Deal found 28/5£634
Tue 17/1107:25
LHR
-
SJU
1 stop17h 20m
JetBlue
Fri 27/1115:25
SJU
-
LHR
1 stop14h 05m
JetBlue
Deal found 27/5£639
Fri 30/1007:25
LHR
-
SJU
1 stop21h 18m
Multiple Airlines
Sun 8/1115:31
SJU
-
LHR
1 stop13h 29m
Multiple Airlines
Deal found 28/5£641
Wed 10/612:20
LGW
-
SJU
1 stop14h 22m
JetBlue
Sat 13/614:40
SJU
-
LGW
1 stop13h 55m
JetBlue
Deal found 27/5£645
Sun 30/808:40
LHR
-
SJU
1 stop21h 57m
Multiple Airlines
Sun 6/907:00
SJU
-
LHR
1 stop19h 50m
Multiple Airlines
Deal found 27/5£654

Find flight deals from United Kingdom to Luis Munoz Marin Intl

Keep the following information in mind while searching for United Kingdom to Luis Munoz Marin Intl flight deals. Data was last updated 29 May 2026.

Round-trip from

£557

One-way from

£335

Popular in

December

Cheapest in

February

Average price

£585
JetBlue
  • JetBlue
  • 9/10-17/10
  • 2 total stops
  • 32h 24m total
  • United Kingdom to San Juan
Search Deals
6/9
  • 6/9
  • 3 total stops
  • 47h 05m total
  • United Kingdom to San Juan
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Luis Munoz Marin Intl 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, Cheapflights users made 858,174 searches. Data last updated 29 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

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

13:20-09:30

1 stop16h 10m

£613

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 25/11

12:20-03:48

1 stop19h 28m

San Juan Luis Munoz Marin Intl

Fri 4/12

07:10-06:55

1 stop19h 45m

£683

EdinburghSan Juan

EDI - SJU

EDISJU

Edinburgh Turnhouse

Wed 16/9

12:10-22:42

1 stop15h 32m

San Juan Luis Munoz Marin Intl

Sun 20/9

10:30-09:20

1 stop17h 50m

£724

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 27/8

14:00-23:29

1 stop14h 29m

San Juan Luis Munoz Marin Intl

Thu 10/9

17:15-10:50

1 stop12h 35m

£735

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 8/7

12:20-21:30

1 stop14h 10m

San Juan Luis Munoz Marin Intl

Wed 15/7

16:52-09:35

1 stop11h 43m

£770

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Tue 23/6

12:20-21:31

1 stop14h 11m

San Juan Luis Munoz Marin Intl

Tue 30/6

05:01-09:35

1 stop23h 34m

£786

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 9/10

12:05-13:08

2 stops30h 03m

San Juan Luis Munoz Marin Intl

Mon 19/10

06:12-15:35

2 stops28h 23m

£799

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 9/10

06:00-23:58

2 stops22h 58m

San Juan Luis Munoz Marin Intl

Mon 19/10

06:12-10:20

2 stops23h 08m

£806

ManchesterSan Juan

MAN - SJU

MANSJU

Manchester

Sun 11/10

18:00-23:58

2 stops58h 58m

San Juan Luis Munoz Marin Intl

Sun 18/10

06:12-10:05

2 stops22h 53m

£808

ManchesterSan Juan

MAN - SJU

MANSJU

Manchester

Wed 1/7

06:35-18:50

1 stop17h 15m

San Juan Luis Munoz Marin Intl

Wed 8/7

17:15-13:00

1 stop14h 45m

£823

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from United Kingdom to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to San Juan Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from United Kingdom to San Juan Luis Munoz Marin Intl Airport?

Currently, May is the cheapest month in which you can book a flight from United Kingdom to San Juan Luis Munoz Marin Intl Airport (average of £218). Flying from United Kingdom to San Juan Luis Munoz Marin Intl Airport in February is currently the most expensive (average of £1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from United Kingdom to San Juan Luis Munoz Marin Intl Airport?

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated 29 May 2026.
Read reviews from past customers who have flown with Virgin Atlantic,Aer Lingus, andJetBlue from the United Kingdom to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.5

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.5

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Aer Lingus
7.3
Good
1,588 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.5

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
JetBlue
7.2
Good
2,983 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.5

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
7.0
Good
661 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.5

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Iberia
7.0
Good
3,222 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.5

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from United Kingdom to San Juan Luis Munoz Marin Intl Airport?

    Departing from United Kingdom to San Juan Luis Munoz Marin Intl Airport will take you 19h 05m. United Kingdom and San Juan Luis Munoz Marin Intl Airport are separated by a distance of 4179 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from United Kingdom to San Juan Luis Munoz Marin Intl Airport?

    While some choose either London Gatwick - San Juan Luis Munoz Marin Intl or London Stansted - San Juan Luis Munoz Marin Intl, London Heathrow - San Juan Luis Munoz Marin Intl is the most popular route from United Kingdom to San Juan Luis Munoz Marin Intl Airport.

  • Can I find deals for flights from United Kingdom to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Luis Munoz Marin Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from United Kingdom to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from United Kingdom to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to San Juan Luis Munoz Marin Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from United Kingdom to San Juan Luis Munoz Marin Intl Airport (average of £218). Flying from United Kingdom to San Juan Luis Munoz Marin Intl Airport in February is currently the most expensive (average of £1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from United Kingdom to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from United Kingdom to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£333Average£1,106FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£437Average£674FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£485Average£670FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
AviancaCheapest£537Average£595FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£580Average£992FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£657Average£788FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£836Average£1,003FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Luis Munoz Marin Intl?

Deals for United Kingdom to Luis Munoz Marin Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Luis Munoz Marin Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Luis Munoz Marin Intl.

Can Cheapflights find flights from United Kingdom to Luis Munoz Marin Intl with no change fees?

Yes, we can. To see specific flights from United Kingdom to Luis Munoz Marin Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from United Kingdom to Luis Munoz Marin Intl become cheaper?

Yes! Start tracking prices for United Kingdom to Luis Munoz Marin Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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