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Cheap flights from London Gatwick Airport to San Juan from £219

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SJU
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Gatwick to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 June 2025.

Round-trip from

£470

One-way from

£219

Popular in

December

Cheapest in

March

Average price

£628
Icelandair
  • Icelandair
  • 9/9-24/9
  • 3 total stops
  • 61h 20m total
  • London to San Juan
Search Deals
5/9
  • 5/9
  • 2 total stops
  • 30h 56m total
  • London to San Juan
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Gatwick to San Juan

Cheapest flights from Gatwick to San Juan
Explore the most affordable flight options available from Gatwick to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Tue 9/912:10LGW - SJU
2 stops28h 35mIcelandair
Wed 24/919:50SJU - LGW
1 stop32h 45mIcelandair
Deal found 12/6£470
Tue 1/710:00LGW - SJU
1 stop16h 04mMultiple Airlines
Tue 8/720:45SJU - LGW
1 stop29h 10mMultiple Airlines
Deal found 10/6£508
Wed 9/712:10LGW - SJU
1 stop17h 41mJetBlue
Thu 24/715:25SJU - LGW
1 stop13h 10mJetBlue
Deal found 11/6£514
Sat 15/1116:35LGW - SJU
2 stops34h 25mTAP AIR PORTUGAL
Sat 22/1106:15SJU - LGW
2 stops23h 35mTAP AIR PORTUGAL
Deal found 12/6£644
Sat 15/1119:35LGW - SJU
1 stop28h 20mIberia
Tue 25/1118:05SJU - LGW
1 stop12h 10mIberia
Deal found 12/6£814

Cheapflights Fare Finder

Customise your flight search to find flights from Gatwick 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, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from London Gatwick Airport to San Juan that are best for you.

Fly from

Gatwick

Fly to

San Juan

Route

Depart

Return

Price

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Tue 9/9

12:10-11:45

2 stops28h 35m

San Juan Luis Munoz Marin Intl

Wed 24/9

19:50-09:35

1 stop32h 45m

£470

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Tue 1/7

10:00-21:04

1 stop16h 04m

San Juan Luis Munoz Marin Intl

Tue 8/7

20:45-06:55

1 stop29h 10m

£508

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 9/7

12:10-00:51

1 stop17h 41m

San Juan Luis Munoz Marin Intl

Thu 24/7

15:25-09:35

1 stop13h 10m

£514

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sat 15/11

16:35-23:00

2 stops34h 25m

San Juan Luis Munoz Marin Intl

Sat 22/11

06:15-09:50

2 stops23h 35m

£644

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sat 15/11

19:35-19:55

1 stop28h 20m

San Juan Luis Munoz Marin Intl

Tue 25/11

18:05-10:15

1 stop12h 10m

£814

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 22/9

10:00-22:42

2 stops41h 42m

San Juan Luis Munoz Marin Intl

Mon 29/9

17:24-16:25

2 stops18h 01m

£890

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 5/9

10:00-11:56

2 stops30h 56m

£219

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 28/8

12:10-01:31

1 stop18h 21m

£543

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 29/8

11:35-18:30

1 stop11h 55m

£548

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 29/8

10:35-09:55

2 stops28h 20m

£602

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 12 results
1
2

Best time to book a flight from Gatwick to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Gatwick with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to San Juan

What is the cheapest time of day to fly from LGW to SJU?

Find hourly flight availability from Gatwick to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to San Juan as you normally would.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated 13 June 2025.
Get a feel of what it's like to fly with JetBlue, Turkish Airlines and TAP AIR PORTUGAL from London to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.3
Good
2,923 reviews
Check prices

Boarding

7.5

Food

6.7

Crew

8.0

Comfort

7.6

Overall

7.3

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.
JetBlue
7.3
Good
2,923 reviews
JetBlue
7.3
Good
2,923 reviews
Check prices

Boarding

7.5

Food

6.7

Crew

8.0

Comfort

7.6

Overall

7.3

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.
Turkish Airlines
7.3
Good
3,849 reviews
JetBlue
7.3
Good
2,923 reviews
Check prices

Boarding

7.5

Food

6.7

Crew

8.0

Comfort

7.6

Overall

7.3

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.
TAP AIR PORTUGAL
7.1
Good
1,885 reviews
JetBlue
7.3
Good
2,923 reviews
Check prices

Boarding

7.5

Food

6.7

Crew

8.0

Comfort

7.6

Overall

7.3

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.
Icelandair
7.0
Good
499 reviews
JetBlue
7.3
Good
2,923 reviews
Check prices

Boarding

7.5

Food

6.7

Crew

8.0

Comfort

7.6

Overall

7.3

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.
Iberia
7.0
Good
2,776 reviews
JetBlue
7.3
Good
2,923 reviews
Check prices

Boarding

7.5

Food

6.7

Crew

8.0

Comfort

7.6

Overall

7.3

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from London Gatwick Airport to San Juan round-trip?

    Our cheapest airline available from London Gatwick Airport to San Juan is Icelandair. Our recent data shows that you can find tickets from as low as £470 on this airline. Additional options worth looking into are JetBlue and TAP AIR PORTUGAL, starting at £514 and £644 round-trip. These flights start at 39% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London Gatwick Airport to San Juan one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £543. Users have also found prices from £548 and £602 on Iberia and TAP AIR PORTUGAL, respectively.

  • Can I find deals for flights from Gatwick to San Juan that include hotel bookings?

    Yes. In addition to deals on Gatwick to San Juan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to San Juan.

  • Can I find deals for business class flights from Gatwick to San Juan?

    Yes. Cheapflights offers flight deals from Gatwick to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to San Juan?

    Currently, April is the cheapest month in which you can book a flight from London Gatwick Airport to San Juan (average of £631). Flying from London Gatwick Airport to San Juan in July is currently the most expensive (average of £1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Gatwick to San Juan

Discover the top 2 airlines that operate flights from Gatwick to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£420Average£676FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£511Average£831FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Gatwick to San Juan?

When you search for this flight from Gatwick to San Juan, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to San Juan?

Cheapflights simply makes it quick and affordable to book flights from Gatwick to San Juan by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Gatwick to San Juan with no change fees?

Yes! Cheapflights helps users easily find flights from Gatwick to San Juan with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to San Juan become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Juan from Gatwick today and book when prices fit your budget.

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