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Cheap flights from London to San Juan Luis Munoz Marin Intl Airport from £257

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJU
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

Cheapest flights from London to Luis Munoz Marin Intl
Explore the most affordable flight options available from London to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Mon 9/308:05
LHR
-
SJU
1 stop14h 48m
JetBlue
Tue 17/305:10
SJU
-
LHR
1 stop21h 45m
JetBlue
Deal found 1/2£402
Tue 3/309:20
LHR
-
SJU
1 stop16h 36m
JetBlue
Tue 10/311:10
SJU
-
LHR
1 stop15h 45m
JetBlue
Deal found 1/2£411
Tue 24/207:25
LHR
-
SJU
1 stop19h 06m
JetBlue
Wed 11/311:10
SJU
-
LHR
1 stop15h 45m
JetBlue
Deal found 31/1£413
Fri 27/214:00
LGW
-
SJU
1 stop16h 53m
Multiple Airlines
Fri 6/315:19
SJU
-
LGW
1 stop14h 41m
Multiple Airlines
Deal found 31/1£424
Fri 6/308:05
LHR
-
SJU
1 stop20h 24m
JetBlue
Sat 14/302:30
SJU
-
LHR
1 stop24h 25m
JetBlue
Deal found 1/2£429
Wed 18/307:25
LHR
-
SJU
1 stop19h 26m
JetBlue
Tue 24/303:26
SJU
-
LHR
1 stop14h 14m
JetBlue
Deal found 1/2£434
Wed 18/315:25
LGW
-
SJU
2 stops24h 10m
Multiple Airlines
Wed 25/307:00
SJU
-
LGW
1 stop23h 00m
Multiple Airlines
Deal found 1/2£467
Sat 2/513:05
LGW
-
SJU
1 stop16h 33m
Multiple Airlines
Fri 15/501:21
SJU
-
LGW
1 stop23h 59m
Multiple Airlines
Deal found 31/1£474
Mon 9/314:00
LGW
-
SJU
1 stop23h 17m
Multiple Airlines
Tue 17/311:03
SJU
-
LGW
2 stops38h 57m
Multiple Airlines
Deal found 1/2£491
Mon 9/308:05
STN
-
SJU
2 stops31h 30m
Multiple Airlines
Tue 17/310:00
SJU
-
STN
3 stops33h 10m
Multiple Airlines
Deal found 31/1£509
Fri 6/314:00
LGW
-
SJU
1 stop37h 09m
Multiple Airlines
Sun 15/319:54
SJU
-
LGW
2 stops30h 06m
Multiple Airlines
Deal found 1/2£512
Mon 2/314:00
LGW
-
SJU
1 stop16h 53m
Multiple Airlines
Tue 10/310:22
SJU
-
LGW
2 stops20h 33m
Multiple Airlines
Deal found 1/2£518

Find flight deals from London to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 February 2026.

Round-trip from

£402

One-way from

£257

Popular in

December

Cheapest in

September

Average price

£537
JetBlue
  • JetBlue
  • 9/3-17/3
  • 2 total stops
  • 36h 33m total
  • London to San Juan
Search Deals
26/2
  • 26/2
  • 1 total stop
  • 16h 53m total
  • London to San Juan
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 2 February 2026.
Use the filters below to find and compare flights from London to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

London

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 9/3

12:20-02:54

1 stop18h 34m

San Juan Luis Munoz Marin Intl

Tue 17/3

10:45-09:30

1 stop18h 45m

£411

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 24/2

12:20-00:29

1 stop16h 09m

San Juan Luis Munoz Marin Intl

Wed 11/3

13:25-06:55

1 stop13h 30m

£411

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sat 28/2

12:20-04:11

1 stop19h 51m

San Juan Luis Munoz Marin Intl

Sat 7/3

23:40-20:45

1 stop17h 05m

£413

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 15/3

12:20-01:25

1 stop17h 05m

San Juan Luis Munoz Marin Intl

Tue 24/3

03:26-21:40

1 stop14h 14m

£464

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 16/3

12:20-02:27

1 stop18h 07m

San Juan Luis Munoz Marin Intl

Tue 24/3

10:45-09:30

1 stop18h 45m

£464

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 16/3

08:05-22:51

1 stop18h 46m

San Juan Luis Munoz Marin Intl

Thu 26/3

05:01-21:40

1 stop12h 39m

£464

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 3/3

20:35-01:08

2 stops32h 33m

San Juan Luis Munoz Marin Intl

Tue 10/3

14:30-10:50

2 stops16h 20m

£475

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 13/3

09:20-01:42

1 stop20h 22m

San Juan Luis Munoz Marin Intl

Thu 26/3

05:01-21:40

1 stop12h 39m

£482

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 9/3

14:00-09:17

1 stop23h 17m

San Juan Luis Munoz Marin Intl

Tue 17/3

11:03-06:00

2 stops38h 57m

£491

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 2/3

14:00-02:53

1 stop16h 53m

San Juan Luis Munoz Marin Intl

Tue 10/3

10:22-10:55

2 stops20h 33m

£518

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 57 results
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Best time to book a flight from London to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from London 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 London to San Juan Luis Munoz Marin Intl Airport

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

Use this chart to determine the optimal time to book a return flight from London to Luis Munoz Marin Intl. Price data was last updated on 30 January 2026.

The best time to book flights from London to San Juan Luis Munoz Marin Intl Airport is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from London to San Juan Luis Munoz Marin Intl Airport (average of £392). Flying from London to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £530). 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 much does it cost for a return flight from London to San Juan Luis Munoz Marin Intl Airport?

What’s the top stopover airport for flights from London to San Juan Luis Munoz Marin Intl Airport?

Share of one-stop return flights from London to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

New York (JFK) – chosen by Cheapflights users on 53% of one-stop itineraries from London to San Juan Luis Munoz Marin Intl Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London to San Juan Luis Munoz Marin Intl Airport?

Average return fare for one-stop flights from London to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Boston (BOS) is the most affordable one-stop option, with an average return flight price of £592.

What’s the fastest stopover option from London to San Juan Luis Munoz Marin Intl Airport?

Shortest average travel time for one-stop one-way flights from London to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Madrid (MAD) have the shortest average one-way travel time for one-stop routes: 13h 18m.

Which airport typically offers the quickest stopover for flights from London to San Juan Luis Munoz Marin Intl Airport?

Average stopover duration for one-stop one-way flights from London to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 22m.

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 2 February 2026.
Read reviews from past customers who have flown with Finnair, JetBlue, andIcelandair from London 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.
Finnair
7.6
Good
1,357 reviews
Check prices

Overall

7.6

Crew

8.2

Comfort

7.5

Boarding

7.7

Food

6.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,357 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Overall

7.6

Crew

8.2

Comfort

7.5

Boarding

7.7

Food

6.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
JetBlue
7.2
Good
2,892 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Overall

7.6

Crew

8.2

Comfort

7.5

Boarding

7.7

Food

6.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Icelandair
7.1
Good
606 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Overall

7.6

Crew

8.2

Comfort

7.5

Boarding

7.7

Food

6.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,100 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Overall

7.6

Crew

8.2

Comfort

7.5

Boarding

7.7

Food

6.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,709 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Overall

7.6

Crew

8.2

Comfort

7.5

Boarding

7.7

Food

6.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from London 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 London to San Juan Luis Munoz Marin Intl Airport?

    Airlines like JetBlue fly from London to San Juan Luis Munoz Marin Intl Airport in about 18h 34m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4179 mi.

  • What are the cheapest airlines flying from London to San Juan Luis Munoz Marin Intl Airport round-trip?

    According to our current data, Virgin Atlantic (£337), JetBlue (£422), and Finnair (£423) offers the cheapest pricing from London to San Juan Luis Munoz Marin Intl Airport. Virgin Atlantic is priced at 48% lower than the current average price of a flight leaving 3 months from now.

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

    The most popular flight routes from London to San Juan Luis Munoz Marin Intl Airport are London Heathrow - San Juan Luis Munoz Marin Intl, London Gatwick - San Juan Luis Munoz Marin Intl and London Stansted - San Juan Luis Munoz Marin Intl.

  • Where are the most common stopover locations when flying from London to San Juan Luis Munoz Marin Intl Airport?

    London to San Juan Luis Munoz Marin Intl Airport flights have a stopover in Madrid most of the time.

  • What are some popular things to do or see while on a stopover in Madrid?

    Madrid travellers tend to visit Spain Building, Puerta del Sol, and Plaza de Cibeles more than anywhere else. Spain Building, Puerta del Sol, and Plaza de Cibeles can be visited by traveling about 8.5 mi, 8.4 mi, and 7.9 mi respectively from Madrid Barajas. Those landing in Madrid looking to spend some time exploring during their stopover can hire a car for about £19 per day.

  • Where are the least popular stopover locations for London to San Juan Luis Munoz Marin Intl Airport flights?

    London to San Juan Luis Munoz Marin Intl Airport flights have a stopover in New York the least frequently.

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

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

  • How can I find direct flights from London 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 London to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from London 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 London to San Juan Luis Munoz Marin Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from London to San Juan Luis Munoz Marin Intl Airport (average of £392). Flying from London to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £530). 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

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Fly from London to Luis Munoz Marin Intl on these airlines

Choose from the following airlines for your flight from London to Luis Munoz Marin Intl. Flights are based on user searches made on Cheapflights and were last updated on 2 February 2026.
JetBlue flights from London to San Juan Luis Munoz Marin Intl
Finnair flights from London to San Juan Luis Munoz Marin Intl
Virgin Atlantic flights from London to San Juan Luis Munoz Marin Intl

Top 6 airlines flying from London to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from London 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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£337Average£1,017FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£422Average£596FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£423Average£551FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£495Average£637FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£528Average£946FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£543Average£887FlexibilityNo cancel feeOn-time77%
Search Iberia 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 London to Luis Munoz Marin Intl?

Cheapflights makes it easy to find London to Luis Munoz Marin Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Luis Munoz Marin Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Luis Munoz Marin Intl from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on London to Luis Munoz Marin Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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