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

JetBlue, Aer Lingus, and British Airways 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.

£225 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.

07:40 - 06:45

SJU

LHR

18h 05m

1 stop

07:30 - 21:24

LHR

SJU

18h 54m

2 stops

£442United Airlines

Wed, 22 Apr - Wed, 29 Apr

06:15 - 13:40

SJU

BHX

26h 25m

2 stops

20:15 - 23:13

BHX

SJU

31h 58m

2 stops

£442Virgin Atlantic

Thu, 23 Apr - Mon, 27 Apr

14:25 - 06:55

SJU

LHR

12h 30m

1 stop

07:45 - 02:54

LHR

SJU

23h 09m

1 stop

£449JetBlue

Wed, 4 Mar - Sun, 8 Mar

10:55 - 09:30

SJU

LHR

18h 35m

1 stop

09:20 - 22:49

LHR

SJU

17h 29m

1 stop

£449JetBlue

Wed, 4 Mar - Mon, 9 Mar

15:44 - 11:05

SJU

LHR

14h 21m

1 stop

15:35 - 09:13

LHR

SJU

22h 38m

1 stop

£451Iberia

Wed, 29 Apr - Wed, 6 May

13:14 - 13:10

SJU

MAN

18h 56m

2 stops

14:55 - 23:59

MAN

SJU

14h 04m

1 stop

£452KLM

Wed, 8 Apr - Wed, 15 Apr

17:42 - 07:05

SJU

EDI

32h 23m

1 stop

14:05 - 16:29

EDI

SJU

31h 24m

1 stop

£455Virgin Atlantic

Sun, 26 Apr - Sat, 9 May

12:55 - 11:20

SJU

LHR

17h 25m

1 stop

11:15 - 23:13

LHR

SJU

16h 58m

1 stop

£455KLM

Wed, 22 Apr - Wed, 29 Apr

17:30 - 16:45

SJU

MAN

18h 15m

2 stops

20:50 - 20:24

MAN

SJU

52h 34m

2 stops

£455KLM

Mon, 6 Apr - Mon, 13 Apr

01:00 - 08:35

SJU

LHR

26h 35m

2 stops

09:30 - 23:50

LHR

SJU

19h 20m

2 stops

£458Air Canada

Tue, 28 Apr - Wed, 6 May

JetBlue flights from San Juan to United Kingdom

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

JetBlue

4 Mar

SJU14:25San Juan Luis Munoz Marin Intl

12h 30m

1 stop

LHR06:55London Heathrow

8 Mar

LHR07:45London Heathrow

23h 09m

1 stop

SJU02:54San Juan Luis Munoz Marin Intl

£449

JetBlue

4 Mar

SJU10:55San Juan Luis Munoz Marin Intl

18h 35m

1 stop

LHR09:30London Heathrow

9 Mar

LHR09:20London Heathrow

17h 29m

1 stop

SJU22:49San Juan Luis Munoz Marin Intl

£449

JetBlue

25 Mar

SJU05:10San Juan Luis Munoz Marin Intl

21h 45m

1 stop

LHR06:55London Heathrow

1 Apr

LHR08:40London Heathrow

18h 28m

1 stop

SJU22:08San Juan Luis Munoz Marin Intl

£461

Virgin Atlantic flights from San Juan to United Kingdom

Our best Virgin Atlantic deals on San Juan to United Kingdom flight tickets

Virgin Atlantic

23 Apr

SJU06:15San Juan Luis Munoz Marin Intl

26h 25m

2 stops

BHX13:40Birmingham

27 Apr

BHX20:15Birmingham

31h 58m

2 stops

SJU23:13San Juan Luis Munoz Marin Intl

£442

Virgin Atlantic

26 Apr

SJU17:42San Juan Luis Munoz Marin Intl

32h 23m

1 stop

EDI07:05Edinburgh Turnhouse

9 May

EDI14:05Edinburgh Turnhouse

31h 24m

1 stop

SJU16:29San Juan Luis Munoz Marin Intl

£455

Virgin Atlantic

26 Apr

SJU17:42San Juan Luis Munoz Marin Intl

32h 23m

1 stop

EDI07:05Edinburgh Turnhouse

9 May

EDI05:45Edinburgh Turnhouse

35h 18m

2 stops

SJU12:03San Juan Luis Munoz Marin Intl

£461

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

Wed 22/4

07:40-06:45

1 stop18h 05m

London Heathrow

Wed 29/4

07:30-21:24

2 stops18h 54m

£442

San JuanBirmingham

SJU - BHX

SJUBHX

San Juan Luis Munoz Marin Intl

Thu 23/4

06:15-13:40

2 stops26h 25m

Birmingham

Mon 27/4

20:15-23:13

2 stops31h 58m

£442

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 4/3

14:25-06:55

1 stop12h 30m

London Heathrow

Sun 8/3

07:45-02:54

1 stop23h 09m

£449

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 4/3

10:55-09:30

1 stop18h 35m

London Heathrow

Mon 9/3

09:20-22:49

1 stop17h 29m

£449

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 29/4

15:44-11:05

1 stop14h 21m

London Heathrow

Wed 6/5

15:35-09:13

1 stop22h 38m

£451

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Wed 8/4

13:14-13:10

2 stops18h 56m

Manchester

Wed 15/4

14:55-23:59

1 stop14h 04m

£452

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Sun 26/4

17:42-07:05

1 stop32h 23m

Edinburgh Turnhouse

Sat 9/5

14:05-16:29

1 stop31h 24m

£455

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 22/4

12:55-11:20

1 stop17h 25m

London Heathrow

Wed 29/4

11:15-23:13

1 stop16h 58m

£455

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Mon 6/4

17:30-16:45

2 stops18h 15m

Manchester

Mon 13/4

20:50-20:24

2 stops52h 34m

£455

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 28/4

01:00-08:35

2 stops26h 35m

London Heathrow

Wed 6/5

09:30-23:50

2 stops19h 20m

£458

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 £433, 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 £464.

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 £524 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 39m
Direct flights	None

The fastest flight from San Juan to United Kingdom takes 12h 39m

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.