Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to San Juan from £223

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to San Juan departing on 23/1. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United Kingdom to San Juan

Recent return flight deals from the United Kingdom to San Juan

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 - 09:47MAN-SJU
27h 47m2 stops
Multiple Airlines Logo
06:00 - 13:25SJU-MAN
27h 25m2 stops
£521Multiple Airlines
Find Deal
Thu, 8 Jan - Thu, 22 Jan
JetBlue Logo
07:25 - 17:54LHR-SJU
14h 29m1 stop
JetBlue Logo
11:15 - 09:30SJU-LHR
18h 15m1 stop
£529JetBlue
Find Deal
Tue, 6 Jan - Thu, 22 Jan
Icelandair Logo
09:20 - 10:32LHR-SJU
29h 12m2 stops
Icelandair Logo
05:01 - 09:30SJU-LHR
24h 29m1 stop
£530Icelandair
Find Deal
Mon, 19 Jan - Sun, 25 Jan
Icelandair Logo
12:20 - 01:22LHR-SJU
17h 02m2 stops
Icelandair Logo
08:15 - 06:55SJU-LHR
18h 40m2 stops
£531Icelandair
Find Deal
Mon, 12 Jan - Mon, 26 Jan
JetBlue Logo
07:25 - 17:54LHR-SJU
14h 29m1 stop
JetBlue Logo
11:15 - 09:30SJU-LHR
18h 15m1 stop
£532JetBlue
Find Deal
Wed, 7 Jan - Tue, 20 Jan
Multiple Airlines Logo
11:55 - 09:47LGW-SJU
25h 52m2 stops
Multiple Airlines Logo
19:50 - 10:55SJU-LGW
35h 05m3 stops
£533Multiple Airlines
Find Deal
Sun, 25 Jan - Sun, 1 Feb
Iberia Logo
09:10 - 19:55LCY-SJU
14h 45m1 stop
Iberia Logo
21:25 - 08:50SJU-LCY
31h 25m1 stop
£901Iberia
Find Deal
Mon, 26 Jan - Thu, 5 Feb
Iberia Logo
09:10 - 19:55LCY-SJU
14h 45m1 stop
Iberia Logo
21:25 - 08:50SJU-LCY
31h 25m1 stop
£921Iberia
Find Deal
Mon, 26 Jan - Thu, 5 Feb
British Airways Logo
07:50 - 19:55LCY-SJU
16h 05m1 stop
British Airways Logo
21:25 - 14:05SJU-LCY
12h 40m1 stop
£932British Airways
Find Deal
Wed, 28 Jan - Thu, 5 Feb
Virgin Atlantic Logo
06:15 - 02:27NWI-SJU
24h 12m2 stops
Virgin Atlantic Logo
03:45 - 16:25SJU-NWI
32h 40m2 stops
£2,073Virgin Atlantic
Find Deal
Sat, 20 Dec - Sat, 27 Dec

Aer Lingus flights from United Kingdom to San Juan

Our best Aer Lingus deals on United Kingdom to San Juan flight tickets
Aer Lingus
28 Feb
MAN14:15Manchester
33h 34m
1 stop
SJU19:49San Juan Luis Munoz Marin Intl
9 Mar
SJU17:22San Juan Luis Munoz Marin Intl
33h 28m
1 stop
MAN06:50Manchester
£676
Find similar
Aer Lingus
28 Feb
MAN14:15Manchester
33h 34m
1 stop
SJU19:49San Juan Luis Munoz Marin Intl
9 Mar
SJU09:55San Juan Luis Munoz Marin Intl
19h 35m
2 stops
MAN09:30Manchester
£679
Find similar
Aer Lingus
28 Feb
MAN14:15Manchester
23h 39m
1 stop
SJU09:54San Juan Luis Munoz Marin Intl
9 Mar
SJU04:15San Juan Luis Munoz Marin Intl
22h 35m
1 stop
MAN06:50Manchester
£688
Find similar

TAP AIR PORTUGAL flights from United Kingdom to San Juan

Our best TAP AIR PORTUGAL deals on United Kingdom to San Juan flight tickets
TAP AIR PORTUGAL
29 Jan
MAN17:10Manchester
36h 12m
2 stops
SJU01:22San Juan Luis Munoz Marin Intl
9 Feb
SJU07:00San Juan Luis Munoz Marin Intl
29h 15m
2 stops
MAN16:15Manchester
£681
Find similar
TAP AIR PORTUGAL
29 Jan
MAN17:10Manchester
35h 06m
2 stops
SJU00:16San Juan Luis Munoz Marin Intl
9 Feb
SJU07:00San Juan Luis Munoz Marin Intl
29h 15m
2 stops
MAN16:15Manchester
£693
Find similar
TAP AIR PORTUGAL
16 Dec
MAN17:15Manchester
34h 19m
2 stops
SJU23:34San Juan Luis Munoz Marin Intl
13 Jan
SJU07:00San Juan Luis Munoz Marin Intl
23h 35m
2 stops
MAN10:35Manchester
£867
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to San Juan 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 14 November 2025.
Use the filters below to find and compare flights from the United Kingdom to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ManchesterSan Juan

MAN - SJU

MANSJU

Manchester

Thu 8/1

10:00-09:47

2 stops27h 47m

San Juan Luis Munoz Marin Intl

Thu 22/1

06:00-13:25

2 stops27h 25m

£521

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 6/1

07:25-17:54

1 stop14h 29m

San Juan Luis Munoz Marin Intl

Thu 22/1

11:15-09:30

1 stop18h 15m

£529

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 19/1

09:20-10:32

2 stops29h 12m

San Juan Luis Munoz Marin Intl

Sun 25/1

05:01-09:30

1 stop24h 29m

£530

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 12/1

12:20-01:22

2 stops17h 02m

San Juan Luis Munoz Marin Intl

Mon 26/1

08:15-06:55

2 stops18h 40m

£531

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 7/1

07:25-17:54

1 stop14h 29m

San Juan Luis Munoz Marin Intl

Tue 20/1

11:15-09:30

1 stop18h 15m

£532

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sun 25/1

11:55-09:47

2 stops25h 52m

San Juan Luis Munoz Marin Intl

Sun 1/2

19:50-10:55

3 stops35h 05m

£533

LondonSan Juan

LCY - SJU

LCYSJU

London City

Mon 26/1

09:10-19:55

1 stop14h 45m

San Juan Luis Munoz Marin Intl

Thu 5/2

21:25-08:50

1 stop31h 25m

£901

LondonSan Juan

LCY - SJU

LCYSJU

London City

Mon 26/1

09:10-19:55

1 stop14h 45m

San Juan Luis Munoz Marin Intl

Thu 5/2

21:25-08:50

1 stop31h 25m

£921

LondonSan Juan

LCY - SJU

LCYSJU

London City

Wed 28/1

07:50-19:55

1 stop16h 05m

San Juan Luis Munoz Marin Intl

Thu 5/2

21:25-14:05

1 stop12h 40m

£932

NorwichSan Juan

NWI - SJU

NWISJU

Norwich Arpt

Sat 20/12

06:15-02:27

2 stops24h 12m

San Juan Luis Munoz Marin Intl

Sat 27/12

03:45-16:25

2 stops32h 40m

£2,073

Flights are sorted by cheapest return flights first.

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

See travel insights to San Juan from

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

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 cheapest month to fly to San Juan?

The cheapest month to fly to San Juan from United Kingdom is in September. Flight prices, which tend to average around £542, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to San Juan from United Kingdom during January instead. Flights to San Juan in January, while not as cheap as those in September, still average around £568.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart on your flight to San Juan is on a Monday when prices can be found for as low as £541. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around £659.

What is the cheapest time of day to depart on your flight to San Juan?

In the morning is the cheapest time of day to fly from United Kingdom to San Juan when you can find flight prices for as low as £598. Flying to San Juan in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of £854.

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around £652 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from United Kingdom for as low as £533 on momondo.

Cheap United Kingdom to San Juan flight deals and tips

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

Direct flights

None
There are no direct flights from United Kingdom to San Juan. There are no popular flight routes from United Kingdom to San Juan.
Search flight deals

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

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

  • How many operators does momondo search for flights from United Kingdom to San Juan?

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

    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 United Kingdom to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The necessary travel and health documents for your San Juan trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United Kingdom to San Juan

Compare and see reviews for airlines that fly from United Kingdom to San Juan with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £339Free CancellationRating
7.5
673 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £447Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
FinnairPriceFrom £458Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
IcelandairPriceFrom £483Free CancellationRating
7.1
578 reviews
Search Icelandair flights
IberiaPriceFrom £515Free CancellationRating
7.0
3,012 reviews
Search Iberia flights
British AirwaysPriceFrom £549Free CancellationRating
6.7
7,521 reviews
Search British Airways flights
Aer LingusPriceFrom £669Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights
KLMPriceFrom £884Free CancellationRating
7.7
1,411 reviews
Search KLM flights

Why use momondo?

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

Finding the right flight to San Juan from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from United Kingdom.

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

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from United Kingdom and alert you when they change.

An easier way to manage your San Juan trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 14/12
Sun 21/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Luis Munoz Marin Intl Airport