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Cheap flights from San Juan Luis Munoz Marin Intl Airport to London from £205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to London departing on 16/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
02:05 - 21:20
SJU
-
LHR
15h 15m
1 stop
United Airlines Logo
17:30 - 22:22
LHR
-
SJU
32h 52m
2 stops
£535United Airlines
Sat, 23 Jan - Mon, 25 Jan
Iberia Logo
18:55 - 12:05
SJU
-
LHR
13h 10m
1 stop
Iberia Logo
09:45 - 21:27
LHR
-
SJU
15h 42m
1 stop
£562Iberia
Mon, 16 Nov - Fri, 20 Nov
United Airlines Logo
16:55 - 07:55
SJU
-
LHR
35h 00m
1 stop
United Airlines Logo
07:30 - 22:22
LHR
-
SJU
18h 52m
2 stops
£564United Airlines
Sun, 15 Nov - Wed, 18 Nov
Iberia Logo
18:55 - 12:05
SJU
-
LHR
13h 10m
1 stop
Iberia Logo
09:45 - 21:27
LHR
-
SJU
15h 42m
1 stop
£581Iberia
Mon, 16 Nov - Fri, 20 Nov
Iberia Logo
14:58 - 09:00
SJU
-
LHR
13h 02m
1 stop
Iberia Logo
06:15 - 15:25
LHR
-
SJU
14h 10m
1 stop
£588Iberia
Mon, 14 Sep - Mon, 21 Sep
Iberia Logo
14:58 - 09:00
SJU
-
LHR
13h 02m
1 stop
Iberia Logo
06:15 - 15:25
LHR
-
SJU
14h 10m
1 stop
£590Iberia
Mon, 14 Sep - Mon, 21 Sep
Virgin Atlantic Logo
13:16 - 06:45
SJU
-
LHR
12h 29m
1 stop
Virgin Atlantic Logo
06:15 - 22:19
LHR
-
SJU
21h 04m
2 stops
£591Virgin Atlantic
Mon, 14 Sep - Mon, 21 Sep
Virgin Atlantic Logo
13:16 - 08:50
SJU
-
LHR
14h 34m
1 stop
Virgin Atlantic Logo
09:20 - 22:19
LHR
-
SJU
17h 59m
1 stop
£595Virgin Atlantic
Tue, 8 Sep - Tue, 15 Sep
Virgin Atlantic Logo
13:16 - 08:50
SJU
-
LHR
14h 34m
1 stop
Virgin Atlantic Logo
09:20 - 22:19
LHR
-
SJU
17h 59m
1 stop
£596Virgin Atlantic
Tue, 8 Sep - Tue, 15 Sep
American Airlines Logo
13:53 - 07:20
SJU
-
LHR
13h 27m
1 stop
American Airlines Logo
06:05 - 20:00
LHR
-
SJU
17h 55m
1 stop
£611American Airlines
Wed, 11 Nov - Tue, 24 Nov

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Iberia flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport

Our best Iberia deals on San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flight tickets
Iberia
16 Nov
SJU18:55San Juan Luis Munoz Marin Intl
13h 10m
1 stop
LHR12:05London Heathrow
20 Nov
LHR09:45London Heathrow
15h 42m
1 stop
SJU21:27San Juan Luis Munoz Marin Intl
£562
Iberia
16 Nov
SJU18:55San Juan Luis Munoz Marin Intl
13h 10m
1 stop
LHR12:05London Heathrow
20 Nov
LHR09:45London Heathrow
15h 42m
1 stop
SJU21:27San Juan Luis Munoz Marin Intl
£581
Iberia
14 Sept
SJU14:58San Juan Luis Munoz Marin Intl
13h 02m
1 stop
LHR09:00London Heathrow
21 Sept
LHR06:15London Heathrow
14h 10m
1 stop
SJU15:25San Juan Luis Munoz Marin Intl
£588

Virgin Atlantic flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport

Our best Virgin Atlantic deals on San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flight tickets
Virgin Atlantic
26 Nov
SJU07:15San Juan Luis Munoz Marin Intl
20h 00m
1 stop
LHR07:15London Heathrow
3 Dec
LHR15:50London Heathrow
29h 30m
1 stop
SJU17:20San Juan Luis Munoz Marin Intl
£589
Virgin Atlantic
14 Sept
SJU13:16San Juan Luis Munoz Marin Intl
12h 29m
1 stop
LHR06:45London Heathrow
21 Sept
LHR06:15London Heathrow
21h 04m
2 stops
SJU22:19San Juan Luis Munoz Marin Intl
£591
Virgin Atlantic
8 Sept
SJU13:16San Juan Luis Munoz Marin Intl
14h 34m
1 stop
LHR08:50London Heathrow
15 Sept
LHR09:20London Heathrow
17h 59m
1 stop
SJU22:19San Juan Luis Munoz Marin Intl
£595

momondo Fare Finder

 
Customise your flight search to find flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow 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 28 July 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 23/1

02:05-21:20

1 stop15h 15m

London Heathrow

Mon 25/1

17:30-22:22

2 stops32h 52m

£535

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-12:05

1 stop13h 10m

London Heathrow

Fri 20/11

09:45-21:27

1 stop15h 42m

£562

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 15/11

16:55-07:55

1 stop35h 00m

London Heathrow

Wed 18/11

07:30-22:22

2 stops18h 52m

£564

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-12:05

1 stop13h 10m

London Heathrow

Fri 20/11

09:45-21:27

1 stop15h 42m

£581
Fastest return journey

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 14/9

14:58-09:00

1 stop13h 02m

London Heathrow

Mon 21/9

06:15-15:25

1 stop14h 10m

£588

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 14/9

14:58-09:00

1 stop13h 02m

London Heathrow

Mon 21/9

06:15-15:25

1 stop14h 10m

£590

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 14/9

13:16-06:45

1 stop12h 29m

London Heathrow

Mon 21/9

06:15-22:19

2 stops21h 04m

£591

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 8/9

13:16-08:50

1 stop14h 34m

London Heathrow

Tue 15/9

09:20-22:19

1 stop17h 59m

£595

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 8/9

13:16-08:50

1 stop14h 34m

London Heathrow

Tue 15/9

09:20-22:19

1 stop17h 59m

£596

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 11/11

13:53-07:20

1 stop13h 27m

London Heathrow

Tue 24/11

06:05-20:00

1 stop17h 55m

£611

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to London Heathrow 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 typical price of a round-trip flight between San Juan Luis Munoz Marin Intl Airport and London Heathrow Airport?

Prices are currently low for flights on this route.

Typical prices usually range from £588 to £770.
The lowest price recently found on this route was £562.

What is the cheapest month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £540. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from San Juan Luis Munoz Marin Intl Airport averaging around £541.

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

You are more likely to see cheaper flights to London Heathrow Airport from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £679 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Juan Luis Munoz Marin Intl Airport for as low as £516 on momondo.

How have San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flight prices changed over time?

As of July 2026, prices for San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flights are approximately 44% more expensive when compared to flights at the same time last year.

When to book flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport (SJU to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport

Fastest flight time

12h 08m

Direct flights

None
The fastest flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport takes 12h 08m
There are no direct flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport. There are no popular flight routes from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport

  • How far is San Juan Luis Munoz Marin Intl to London Heathrow by plane?

    A flight from San Juan Luis Munoz Marin Intl to London Heathrow will travel around 4178.9 mi. By plane, this route typically takes 12h 08m.

  • When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport were last updated today.

  • How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from San Juan to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Juan to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Juan to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from San Juan with this policy.

How can momondo help me find flights from San Juan to London?

momondo helps you find the best flight between San Juan and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Juan to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from San Juan. 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.

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