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Cheap flights from London to San Juan Luis Munoz Marin Intl Airport from £280

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJU
16 Mar — 23 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 14 February 2026.

Thu 26/209:20
LHR
-
SJU
1 stop18h 29m
JetBlue
Sun 8/305:15
SJU
-
LHR
1 stop21h 40m
JetBlue
Deal found 12/2£397
Sat 28/208:05
LHR
-
SJU
1 stop24h 06m
JetBlue
Wed 11/304:15
SJU
-
LHR
1 stop13h 25m
JetBlue
Deal found 13/2£404
Tue 24/207:25
LHR
-
SJU
1 stop16h 28m
JetBlue
Wed 4/313:44
SJU
-
LHR
1 stop15h 46m
JetBlue
Deal found 12/2£411
Tue 24/207:25
LHR
-
SJU
1 stop19h 06m
JetBlue
Fri 27/213:44
SJU
-
LHR
1 stop15h 46m
JetBlue
Deal found 12/2£412
Thu 19/207:25
LHR
-
SJU
1 stop19h 07m
JetBlue
Wed 4/312:15
SJU
-
LHR
1 stop14h 40m
JetBlue
Deal found 12/2£412
Mon 23/212:20
LHR
-
SJU
1 stop14h 12m
JetBlue
Thu 26/212:15
SJU
-
LHR
1 stop14h 40m
JetBlue
Deal found 10/2£418
Wed 4/312:20
LHR
-
SJU
1 stop14h 04m
JetBlue
Sat 14/303:26
SJU
-
LHR
1 stop26h 04m
JetBlue
Deal found 12/2£419
Mon 23/209:20
LHR
-
SJU
1 stop17h 33m
JetBlue
Wed 25/223:59
SJU
-
LHR
1 stop17h 41m
JetBlue
Deal found 12/2£429
Mon 23/209:20
LHR
-
SJU
1 stop17h 33m
JetBlue
Sun 1/323:59
SJU
-
LHR
1 stop16h 46m
JetBlue
Deal found 14/2£436
Mon 23/209:20
LHR
-
SJU
1 stop20h 39m
JetBlue
Fri 27/223:59
SJU
-
LHR
1 stop18h 01m
JetBlue
Deal found 12/2£437
Fri 27/214:00
LGW
-
SJU
1 stop24h 17m
Multiple Airlines
Thu 5/320:05
SJU
-
LGW
1 stop33h 55m
Multiple Airlines
Deal found 10/2£489
Wed 25/211:55
LGW
-
SJU
2 stops17h 13m
Multiple Airlines
Wed 4/311:22
SJU
-
LGW
2 stops19h 33m
Multiple Airlines
Deal found 10/2£497

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 14 February 2026.

Round-trip from

£397

One-way from

£280

Popular in

July

Cheapest in

September

Average price

£537
JetBlue
  • JetBlue
  • 26/2-8/3
  • 2 total stops
  • 40h 09m total
  • London to San Juan
Search Deals
16/4
  • 16/4
  • 2 total stops
  • 40h 10m total
  • London to San Juan
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 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 14 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

Tue 24/2

07:25-19:53

1 stop16h 28m

San Juan Luis Munoz Marin Intl

Tue 3/3

23:59-21:40

1 stop17h 41m

£411

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 1/3

07:45-22:31

1 stop18h 46m

San Juan Luis Munoz Marin Intl

Wed 11/3

04:15-21:40

1 stop13h 25m

£412

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 25/2

07:25-22:24

1 stop18h 59m

San Juan Luis Munoz Marin Intl

Fri 27/2

23:59-22:00

1 stop18h 01m

£418

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 26/2

09:20-23:49

1 stop18h 29m

San Juan Luis Munoz Marin Intl

Mon 2/3

14:25-06:55

1 stop12h 30m

£429

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 2/3

08:05-00:29

1 stop20h 24m

San Juan Luis Munoz Marin Intl

Mon 9/3

22:59-21:40

1 stop18h 41m

£429

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 25/2

09:20-23:49

1 stop18h 29m

San Juan Luis Munoz Marin Intl

Sat 28/2

05:10-22:00

1 stop12h 50m

£437

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 2/3

08:05-19:53

1 stop15h 48m

San Juan Luis Munoz Marin Intl

Wed 4/3

23:59-21:40

1 stop17h 41m

£451

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 1/3

12:20-03:51

1 stop19h 31m

San Juan Luis Munoz Marin Intl

Thu 5/3

05:01-21:40

1 stop12h 39m

£451

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 27/2

14:00-10:17

1 stop24h 17m

San Juan Luis Munoz Marin Intl

Thu 5/3

20:05-10:00

1 stop33h 55m

£489

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 16/3

10:00-11:35

2 stops29h 35m

San Juan Luis Munoz Marin Intl

Fri 17/4

01:21-06:20

1 stop23h 59m

£522

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 60 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 13 February 2026.

The best time to book flights from London to San Juan Luis Munoz Marin Intl Airport is 44 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, July is the cheapest month in which you can book a flight from London to San Juan Luis Munoz Marin Intl Airport (average of £390). Flying from London to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £534). 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 54% 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 £594.

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 19m.

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 14 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
1,362 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Overall

7.6

Crew

8.2

Food

6.7

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
1,362 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Overall

7.6

Crew

8.2

Food

6.7

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
2,898 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Overall

7.6

Crew

8.2

Food

6.7

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
614 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Overall

7.6

Crew

8.2

Food

6.7

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
3,115 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Overall

7.6

Crew

8.2

Food

6.7

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
7,739 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Overall

7.6

Crew

8.2

Food

6.7

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 16h 28m. 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 (£339), JetBlue (£408), and Finnair (£425) offers the cheapest pricing from London to San Juan Luis Munoz Marin Intl Airport. Virgin Atlantic is priced at 49% 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 £18 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, July is the cheapest month in which you can book a flight from London to San Juan Luis Munoz Marin Intl Airport (average of £390). Flying from London to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £534). 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 14 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 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£339Average£1,022FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£408Average£602FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£425Average£568FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£497Average£641FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£531Average£951FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£546Average£898FlexibilityNo 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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