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.

£151 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.

14:36 - 08:15SJU-LHR

13h 39m1 stop

11:25 - 19:55LHR-SJU

12h 30m1 stop

£379Iberia

Find Deal

Fri, 5 Dec - Fri, 12 Dec

13:57 - 09:00SJU-LHR

15h 03m1 stop

12:40 - 23:59LHR-SJU

15h 19m1 stop

£406KLM

Find Deal

Wed, 3 Dec - Wed, 10 Dec

17:50 - 10:50SJU-LHR

13h 00m1 stop

06:50 - 22:22LHR-SJU

19h 32m2 stops

£422United Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

07:19 - 09:45SJU-EDI

22h 26m1 stop

11:45 - 02:27EDI-SJU

18h 42m1 stop

£423Multiple Airlines

Find Deal

Thu, 11 Dec - Sun, 21 Dec

02:05 - 20:35SJU-LHR

14h 30m1 stop

08:00 - 00:36LHR-SJU

20h 36m1 stop

£425Lufthansa

Find Deal

Tue, 2 Dec - Wed, 10 Dec

02:05 - 20:35SJU-LHR

14h 30m1 stop

08:30 - 22:22LHR-SJU

17h 52m2 stops

£430United Airlines

Find Deal

Tue, 2 Dec - Wed, 10 Dec

17:55 - 16:25SJU-MAN

18h 30m2 stops

08:50 - 23:59MAN-SJU

19h 09m2 stops

£438American Airlines

Find Deal

Sat, 17 Jan - Sat, 31 Jan

02:05 - 20:35SJU-LHR

14h 30m1 stop

15:00 - 13:55LHR-SJU

26h 55m1 stop

£448Multiple Airlines

Find Deal

Fri, 13 Feb - Sat, 21 Feb

15:35 - 13:15SJU-EDI

17h 40m2 stops

06:05 - 22:10EDI-SJU

20h 05m2 stops

£573American Airlines

Find Deal

Mon, 16 Mar - Tue, 24 Mar

07:45 - 23:15SJU-EDI

35h 30m2 stops

09:25 - 00:36EDI-SJU

19h 11m1 stop

£603Lufthansa

Find Deal

Fri, 20 Feb - Fri, 27 Feb

Iberia flights from San Juan to United Kingdom

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

Iberia

5 Dec

SJU14:36San Juan Luis Munoz Marin Intl

13h 39m

1 stop

LHR08:15London Heathrow

12 Dec

LHR11:25London Heathrow

12h 30m

1 stop

SJU19:55San Juan Luis Munoz Marin Intl

£379

Find similar

Iberia

13 Feb

SJU19:00San Juan Luis Munoz Marin Intl

13h 05m

1 stop

LHR12:05London Heathrow

21 Feb

LHR19:40London Heathrow

24h 55m

1 stop

SJU16:35San Juan Luis Munoz Marin Intl

£438

Find similar

Iberia

14 Nov

SJU18:42San Juan Luis Munoz Marin Intl

13h 23m

1 stop

LHR12:05London Heathrow

16 Nov

LHR12:10London Heathrow

15h 48m

1 stop

SJU23:58San Juan Luis Munoz Marin Intl

£464

Find similar

KLM flights from San Juan to United Kingdom

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

KLM

3 Dec

SJU13:57San Juan Luis Munoz Marin Intl

15h 03m

1 stop

LHR09:00London Heathrow

10 Dec

LHR12:40London Heathrow

15h 19m

1 stop

SJU23:59San Juan Luis Munoz Marin Intl

£406

Find similar

KLM

9 Nov

SJU13:57San Juan Luis Munoz Marin Intl

15h 03m

1 stop

LHR09:00London Heathrow

20 Nov

LHR10:45London Heathrow

16h 28m

1 stop

SJU23:13San Juan Luis Munoz Marin Intl

£407

Find similar

KLM

9 Nov

SJU13:57San Juan Luis Munoz Marin Intl

15h 03m

1 stop

LHR09:00London Heathrow

20 Nov

LHR12:30London Heathrow

14h 43m

1 stop

SJU23:13San Juan Luis Munoz Marin Intl

£408

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

Fri 5/12

14:36-08:15

1 stop13h 39m

London Heathrow

Fri 12/12

11:25-19:55

1 stop12h 30m

£379

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 3/12

13:57-09:00

1 stop15h 03m

London Heathrow

Wed 10/12

12:40-23:59

1 stop15h 19m

£406

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 3/12

17:50-10:50

1 stop13h 00m

London Heathrow

Wed 10/12

06:50-22:22

2 stops19h 32m

£422

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Thu 11/12

07:19-09:45

1 stop22h 26m

Edinburgh Turnhouse

Sun 21/12

11:45-02:27

1 stop18h 42m

£423

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 2/12

02:05-20:35

1 stop14h 30m

London Heathrow

Wed 10/12

08:00-00:36

1 stop20h 36m

£425

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 2/12

02:05-20:35

1 stop14h 30m

London Heathrow

Wed 10/12

08:30-22:22

2 stops17h 52m

£430

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Sat 17/1

17:55-16:25

2 stops18h 30m

Manchester

Sat 31/1

08:50-23:59

2 stops19h 09m

£438

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/2

02:05-20:35

1 stop14h 30m

London Heathrow

Sat 21/2

15:00-13:55

1 stop26h 55m

£448

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Mon 16/3

15:35-13:15

2 stops17h 40m

Edinburgh Turnhouse

Tue 24/3

06:05-22:10

2 stops20h 05m

£573

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Fri 20/2

07:45-23:15

2 stops35h 30m

Edinburgh Turnhouse

Fri 27/2

09:25-00:36

1 stop19h 11m

£603

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 January. Flight prices, which tend to average around £509, 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 January, then departing from San Juan during the month February is also very affordable. Most momondo users find prices during this month for around £509.

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 £505. 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 £808.

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 £505. Try not to purchase tickets in the morning because they tend to be around £874. 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 £627 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 £488 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.