What is the cheapest airline that flies from San Juan to United Kingdom?

JetBlue, Air Canada, and United Airlines are the most popular carriers operating from San Juan to United Kingdom

When did momondo last update prices for flights from San Juan to United Kingdom?

Prices for flights from San Juan to United Kingdom are refreshed on a daily basis.

How old do you have to be to fly from San Juan to United Kingdom?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Juan to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£171 Cheap Flights from San Juan to the United Kingdom in 2025/26

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Find the cheapest flights from San Juan to the United Kingdom

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:31 - 08:15SJU-LHR

13h 44m1 stop

11:55 - 23:27LHR-SJU

15h 32m1 stop

£400Iberia

Find Deal

Sat, 14 Feb - Sat, 21 Feb

17:59 - 12:00SJU-LHR

14h 01m1 stop

07:35 - 16:35LHR-SJU

13h 00m1 stop

£427American Airlines

Find Deal

Tue, 2 Dec - Wed, 10 Dec

02:05 - 20:35SJU-LHR

14h 30m1 stop

06:50 - 21:00LHR-SJU

18h 10m2 stops

£428United Airlines

Find Deal

Mon, 1 Dec - Wed, 10 Dec

15:55 - 10:30SJU-MAN

14h 35m1 stop

09:00 - 23:49MAN-SJU

18h 49m1 stop

£429Virgin Atlantic

Find Deal

Fri, 16 Jan - Mon, 19 Jan

14:38 - 10:00SJU-EDI

15h 22m2 stops

06:50 - 23:27EDI-SJU

20h 37m2 stops

£431Multiple Airlines

Find Deal

Sat, 14 Feb - Sat, 21 Feb

08:10 - 06:40SJU-LHR

18h 30m2 stops

06:50 - 22:22LHR-SJU

19h 32m2 stops

£432United Airlines

Find Deal

Tue, 2 Dec - Wed, 10 Dec

18:27 - 16:05SJU-MAN

17h 38m2 stops

09:00 - 23:49MAN-SJU

18h 49m1 stop

£433Virgin Atlantic

Find Deal

Fri, 16 Jan - Mon, 19 Jan

15:20 - 08:45SJU-LHR

13h 25m1 stop

10:00 - 23:59LHR-SJU

17h 59m2 stops

£439Delta

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Thu, 15 Jan - Mon, 19 Jan

07:30 - 08:20SJU-MAN

20h 50m2 stops

09:05 - 23:49MAN-SJU

18h 44m2 stops

£448Delta

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Wed, 18 Feb - Sun, 22 Feb

07:15 - 06:00SJU-LGW

18h 45m1 stop

13:00 - 17:58LGW-SJU

32h 58m1 stop

£504Multiple Airlines

Find Deal

Sun, 18 Jan - Sun, 25 Jan

British Airways flights from San Juan to United Kingdom

Our best British Airways deals on San Juan to United Kingdom flight tickets

British Airways

18 Feb

SJU16:50San Juan Luis Munoz Marin Intl

14h 40m

1 stop

LHR11:30London Heathrow

26 Feb

LHR11:55London Heathrow

15h 32m

1 stop

SJU23:27San Juan Luis Munoz Marin Intl

£455

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British Airways

4 Mar

SJU16:50San Juan Luis Munoz Marin Intl

19h 30m

2 stops

MAN16:20Manchester

18 Mar

MAN07:50Manchester

28h 46m

2 stops

SJU08:36San Juan Luis Munoz Marin Intl

£465

Find similar

British Airways

9 Apr

SJU13:45San Juan Luis Munoz Marin Intl

12h 25m

1 stop

EDI07:10Edinburgh Turnhouse

19 Apr

EDI11:35Edinburgh Turnhouse

17h 35m

1 stop

SJU00:10San Juan Luis Munoz Marin Intl

£579

Find similar

Avianca flights from San Juan to United Kingdom

Our best Avianca deals on San Juan to United Kingdom flight tickets

Avianca

5 Mar

SJU13:00San Juan Luis Munoz Marin Intl

21h 35m

1 stop

LHR14:35London Heathrow

15 Mar

LHR21:40London Heathrow

23h 25m

1 stop

SJU17:05San Juan Luis Munoz Marin Intl

£506

Find similar

Avianca

23 Apr

SJU18:15San Juan Luis Munoz Marin Intl

16h 20m

1 stop

LHR15:35London Heathrow

9 May

LHR22:05London Heathrow

23h 45m

1 stop

SJU16:50San Juan Luis Munoz Marin Intl

£517

Find similar

Avianca

24 Nov

SJU18:30San Juan Luis Munoz Marin Intl

16h 05m

1 stop

LHR14:35London Heathrow

26 Nov

LHR21:40London Heathrow

17h 55m

1 stop

SJU11:35San Juan Luis Munoz Marin Intl

£770

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from San Juan to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 14/2

14:31-08:15

1 stop13h 44m

London Heathrow

Sat 21/2

11:55-23:27

1 stop15h 32m

£400

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 2/12

17:59-12:00

1 stop14h 01m

London Heathrow

Wed 10/12

07:35-16:35

1 stop13h 00m

£427

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 1/12

02:05-20:35

1 stop14h 30m

London Heathrow

Wed 10/12

06:50-21:00

2 stops18h 10m

£428

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Fri 16/1

15:55-10:30

1 stop14h 35m

Manchester

Mon 19/1

09:00-23:49

1 stop18h 49m

£429

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Sat 14/2

14:38-10:00

2 stops15h 22m

Edinburgh Turnhouse

Sat 21/2

06:50-23:27

2 stops20h 37m

£431

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 2/12

08:10-06:40

2 stops18h 30m

London Heathrow

Wed 10/12

06:50-22:22

2 stops19h 32m

£432

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Fri 16/1

18:27-16:05

2 stops17h 38m

Manchester

Mon 19/1

09:00-23:49

1 stop18h 49m

£433

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 15/1

15:20-08:45

1 stop13h 25m

London Heathrow

Mon 19/1

10:00-23:59

2 stops17h 59m

£439

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Wed 18/2

07:30-08:20

2 stops20h 50m

Manchester

Sun 22/2

09:05-23:49

2 stops18h 44m

£448

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Sun 18/1

07:15-06:00

1 stop18h 45m

London Gatwick

Sun 25/1

13:00-17:58

1 stop32h 58m

£504

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Juan to United Kingdom

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

Prices

Airlines

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from San Juan is in February. Flight prices, which tend to average around £448, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from San Juan during the month October is also very affordable. Most momondo users find prices during this month for around £501.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from San Juan to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £501. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Juan to United Kingdom for around £803.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £501. Try not to purchase tickets in the morning because they tend to be around £868. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from San Juan when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £639 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from San Juan for as low as £485 on momondo.

Cheap San Juan to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan to United Kingdom

Direct flights	None

There are no direct flights from San Juan to United Kingdom. There are no popular flight routes from San Juan to United Kingdom.

Search flight deals

When did momondo last update prices for flights from San Juan to United Kingdom?
Prices for flights from San Juan to United Kingdom are refreshed on a daily basis.
How old do you have to be to fly from San Juan to United Kingdom?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Juan to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find San Juan to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

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

Flights from San Juan to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between San Juan and United Kingdom 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 United Kingdom right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Juan to United Kingdom now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United Kingdom and let you know when they change.