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Cheap flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport from £355

LHR — SJU
28 Oct — 4 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Luis Munoz Marin Intl

Wed 4/1112:15 -
2 stops18h 35m
Thu 12/1111:20 -
2 stops28h 10m
Deal found 27/9£508
Thu 5/1112:15 -
2 stops18h 35m
Wed 11/1103:55 -
2 stops35h 35m
Deal found 26/9£510
Fri 27/1109:20 -
1 stop19h 20m
Sat 5/1215:00 -
1 stop25h 55m
Deal found 25/9£532
Thu 29/1012:20 -
1 stop31h 35m
Wed 11/1107:00 -
1 stop34h 40m
Deal found 26/9£534
Mon 23/1108:05 -
1 stop14h 35m
Wed 25/1118:00 -
1 stop32h 55m
Deal found 25/9£535
Thu 29/1012:20 -
1 stop31h 35m
Fri 6/1113:55 -
1 stop27h 45m
Deal found 28/9£536
Thu 29/1009:20 -
1 stop18h 53m
Sun 8/1107:00 -
1 stop19h 55m
Deal found 24/9£537
Thu 5/1107:25 -
1 stop35h 15m
Sat 14/1107:00 -
1 stop19h 55m
Deal found 23/9£540
Sat 7/1108:05 -
1 stop16h 43m
Sat 14/1107:00 -
1 stop19h 55m
Deal found 23/9£546
Wed 11/1120:25 -
2 stops31h 13m
Wed 18/1116:52 -
1 stop15h 43m
Deal found 27/9£559

Find flight deals from Heathrow to Luis Munoz Marin Intl

Round-trip from

£508

One-way from

£355

Popular in

August

Cheapest in

February

Average price

£675
4/11-12/11
  • 4/11-12/11
  • 4 total stops
  • 46h 45m total
  • London to San Juan
Search Deals
JetBlue
  • JetBlue
  • 4/12-31/12
  • 1 total stop
  • 19h 25m total
  • London to San Juan
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£71 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 September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport 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 London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Sat 31/10

08:05-19:42

1 stop15h 37m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£374

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 4/3

09:20-22:48

1 stop17h 28m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£401

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 3/3

09:20-22:48

1 stop17h 28m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£401
Fastest return journey

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 5/2

12:20-23:28

1 stop15h 08m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£405

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 29/1

18:50-16:40

2 stops25h 50m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£464

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 24/11

21:35-16:55

1 stop23h 20m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£507

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 24/11

07:25-20:35

1 stop17h 10m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£520

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 23/11

06:00-03:27

2 stops25h 27m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£531

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 29/10

12:20-11:26

1 stop27h 06m

San Juan Luis Munoz Marin Intl

Wed 11/11

13:55-09:30

1 stop15h 35m

£568

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 11/12

09:20-19:27

1 stop14h 07m

San Juan Luis Munoz Marin Intl

Mon 1/2

13:54-09:30

1 stop15h 36m

£594

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport (average of £574). Flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of £1,003). 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 Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?

Airfare is below average for this route at the moment.

London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport flights typically cost between £612 and £861 in November.
The cheapest return price found within the last 5 days was £508 on Multiple Airlines (4 Nov–12 Nov).

Reviews of airlines servicing Luis Munoz Marin Intl

See what other customers who have flown with JetBlue,Iberia, andIcelandair from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.1
Good
3,040 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.6

Entertainment

7.2

Comfort

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.
JetBlue
7.1
Good
3,040 reviews
JetBlue
7.1
Good
3,040 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.6

Entertainment

7.2

Comfort

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.
Iberia
7.0
Good
3,246 reviews
JetBlue
7.1
Good
3,040 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.6

Entertainment

7.2

Comfort

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.
Icelandair
6.9
Okay
754 reviews
JetBlue
7.1
Good
3,040 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.6

Entertainment

7.2

Comfort

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.
British Airways
6.7
Okay
8,239 reviews
JetBlue
7.1
Good
3,040 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.6

Entertainment

7.2

Comfort

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.

Related info for your journey

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

    For as low as £532, JetBlue can have you in San Juan Luis Munoz Marin Intl Airport from London Heathrow Airport in 19h 20m. Airlines will cover a distance of 4179 mi.

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

    According to our current data, JetBlue (£429), Icelandair (£491), and Iberia (£855) offers the cheapest pricing from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport. You may be able to fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport for 43% less than the average price by searching for these airlines.

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport (average of £574). Flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of £1,003). 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

Alternative routes for Heathrow to Luis Munoz Marin Intl

Gatwick to Luis Munoz Marin Intl flights
Stansted to Luis Munoz Marin Intl flights
London City to Luis Munoz Marin Intl flights

Top 4 airlines flying from Heathrow to Luis Munoz Marin Intl

AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£429Average£661FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£491Average£861FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£855Average£1,039FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£856Average£1,089FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Luis Munoz Marin Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Luis Munoz Marin Intl from Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Luis Munoz Marin Intl, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Heathrow 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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