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

British Airways, Delta, and Air France 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.

£180 Cheap Flights from San Juan to the United Kingdom in 2026

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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.

16:50 - 16:50

SJU

EDI

20h 00m

2 stops

06:05 - 22:58

EDI

SJU

20h 53m

2 stops

£383British Airways

Tue, 3 Mar - Tue, 10 Mar

16:50 - 16:50

SJU

EDI

20h 00m

2 stops

06:05 - 20:50

EDI

SJU

18h 45m

2 stops

£384British Airways

Tue, 3 Mar - Tue, 10 Mar

14:12 - 11:40

SJU

LHR

17h 28m

1 stop

10:10 - 23:56

LHR

SJU

17h 46m

1 stop

£413KLM

Wed, 18 Feb - Fri, 27 Feb

06:15 - 06:25

SJU

LHR

20h 10m

1 stop

10:00 - 23:56

LHR

SJU

17h 56m

2 stops

£415Delta

Tue, 17 Feb - Mon, 2 Mar

19:01 - 12:05

SJU

LHR

13h 04m

1 stop

11:25 - 19:55

LHR

SJU

12h 30m

1 stop

£418Iberia

Fri, 13 Feb - Sat, 21 Feb

08:30 - 05:55

SJU

LHR

17h 25m

1 stop

08:30 - 22:22

LHR

SJU

17h 52m

2 stops

£419United Airlines

Wed, 18 Feb - Thu, 26 Feb

18:37 - 11:40

SJU

LHR

13h 03m

1 stop

10:10 - 23:58

LHR

SJU

17h 48m

2 stops

£421Delta

Wed, 18 Feb - Fri, 27 Feb

09:15 - 07:30

SJU

LHR

18h 15m

1 stop

10:00 - 20:26

LHR

SJU

38h 26m

1 stop

£425United Airlines

Mon, 9 Mar - Fri, 20 Mar

07:00 - 07:05

SJU

EDI

19h 05m

1 stop

11:20 - 22:54

EDI

SJU

16h 34m

2 stops

£429KLM

Thu, 30 Apr - Wed, 13 May

21:25 - 18:55

SJU

LGW

17h 30m

1 stop

11:45 - 19:55

LGW

SJU

12h 10m

1 stop

£492Iberia

Sat, 14 Feb - Sat, 21 Feb

KLM flights from San Juan to United Kingdom

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

KLM

9 Feb

SJU14:25San Juan Luis Munoz Marin Intl

12h 25m

1 stop

LHR06:50London Heathrow

25 Feb

LHR10:45London Heathrow

17h 13m

1 stop

SJU23:58San Juan Luis Munoz Marin Intl

£408

KLM

18 Feb

SJU15:55San Juan Luis Munoz Marin Intl

15h 45m

1 stop

LHR11:40London Heathrow

27 Feb

LHR15:50London Heathrow

24h 04m

1 stop

SJU11:54San Juan Luis Munoz Marin Intl

£413

KLM

30 Apr

SJU07:00San Juan Luis Munoz Marin Intl

19h 05m

1 stop

EDI07:05Edinburgh Turnhouse

13 May

EDI09:00Edinburgh Turnhouse

18h 54m

1 stop

SJU22:54San Juan Luis Munoz Marin Intl

£429

Delta flights from San Juan to United Kingdom

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

Delta

9 Feb

SJU15:20San Juan Luis Munoz Marin Intl

13h 25m

1 stop

LHR08:45London Heathrow

25 Feb

LHR06:20London Heathrow

21h 38m

2 stops

SJU23:58San Juan Luis Munoz Marin Intl

£412

Delta

17 Feb

SJU18:37San Juan Luis Munoz Marin Intl

13h 03m

1 stop

LHR11:40London Heathrow

2 Mar

LHR10:00London Heathrow

17h 56m

2 stops

SJU23:56San Juan Luis Munoz Marin Intl

£415

Delta

18 Feb

SJU18:37San Juan Luis Munoz Marin Intl

13h 03m

1 stop

LHR11:40London Heathrow

27 Feb

LHR10:10London Heathrow

17h 48m

2 stops

SJU23:58San Juan Luis Munoz Marin Intl

£421

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 JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Tue 3/3

16:50-16:50

2 stops20h 00m

Edinburgh Turnhouse

Tue 10/3

06:05-22:58

2 stops20h 53m

£383

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Tue 3/3

16:50-16:50

2 stops20h 00m

Edinburgh Turnhouse

Tue 10/3

06:05-20:50

2 stops18h 45m

£384

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 18/2

14:12-11:40

1 stop17h 28m

London Heathrow

Fri 27/2

10:10-23:56

1 stop17h 46m

£413

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 17/2

06:15-06:25

1 stop20h 10m

London Heathrow

Mon 2/3

10:00-23:56

2 stops17h 56m

£415

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/2

19:01-12:05

1 stop13h 04m

London Heathrow

Sat 21/2

11:25-19:55

1 stop12h 30m

£418

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 18/2

08:30-05:55

1 stop17h 25m

London Heathrow

Thu 26/2

08:30-22:22

2 stops17h 52m

£419

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 18/2

18:37-11:40

1 stop13h 03m

London Heathrow

Fri 27/2

10:10-23:58

2 stops17h 48m

£421

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 9/3

09:15-07:30

1 stop18h 15m

London Heathrow

Fri 20/3

10:00-20:26

1 stop38h 26m

£425

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Thu 30/4

07:00-07:05

1 stop19h 05m

Edinburgh Turnhouse

Wed 13/5

11:20-22:54

2 stops16h 34m

£429

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Sat 14/2

21:25-18:55

1 stop17h 30m

London Gatwick

Sat 21/2

11:45-19:55

1 stop12h 10m

£492

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 £406, 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 January is also very affordable. Most momondo users find prices during this month for around £467.

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 £618 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 £477 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

Fastest flight time	12h 25m
Direct flights	None

The fastest flight from San Juan to United Kingdom takes 12h 25m

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.