Find flights
When to book
Airlines
FAQs

Cheap flights from London Gatwick Airport to San Juan from £439

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SJU
1 Jul — 8 Jul1
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 26 June 2025.

Round-trip from

£472

One-way from

£439

Popular in

December

Cheapest in

March

Average price

£624
Icelandair
  • Icelandair
  • 9/9-24/9
  • 3 total stops
  • 51h 32m total
  • London to San Juan
21/7
  • 21/7
  • 2 total stops
  • 57h 43m total
  • London to San Juan
Highest demand for flights based on searches. 12% potential increase in price (£78 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£38 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 26 June 2025.

Mon 22/914:00LGW - SJU
1 stop17h 34mMultiple Airlines
Mon 6/1009:07SJU - LGW
1 stop19h 53mMultiple Airlines
Deal found 25/6£474
Tue 9/912:10LGW - SJU
2 stops29h 30mIcelandair
Wed 24/906:00SJU - LGW
2 stops22h 35mIcelandair
Deal found 25/6£505
Wed 6/812:10LGW - SJU
1 stop17h 39mJetBlue
Wed 13/812:45SJU - LGW
1 stop15h 50mJetBlue
Deal found 23/6£560
Thu 6/1110:40LGW - SJU
2 stops20h 37mTAP AIR PORTUGAL
Sat 15/1112:10SJU - LGW
2 stops17h 40mTAP AIR PORTUGAL
Deal found 24/6£640
Sat 5/705:30LGW - SJU
2 stops36h 20mTurkish Airlines
Wed 6/803:05SJU - LGW
2 stops32h 10mTurkish Airlines
Deal found 24/6£1,048
Thu 6/1111:00LGW - SJU
1 stop33h 35mIberia
Sat 15/1121:25SJU - LGW
1 stop32h 50mIberia
Deal found 24/6£1,054

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 26 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

Mon 22/9

14:00-02:34

1 stop17h 34m

San Juan Luis Munoz Marin Intl

Sun 5/10

03:40-10:00

1 stop25h 20m

£474

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Tue 9/9

12:10-12:40

2 stops29h 30m

San Juan Luis Munoz Marin Intl

Wed 24/9

06:00-09:35

2 stops22h 35m

£505

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 6/8

12:10-00:49

1 stop17h 39m

San Juan Luis Munoz Marin Intl

Wed 13/8

12:45-09:35

1 stop15h 50m

£560

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 6/11

10:40-03:17

2 stops20h 37m

San Juan Luis Munoz Marin Intl

Sat 15/11

12:10-09:50

2 stops17h 40m

£640

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 6/11

11:00-16:35

1 stop33h 35m

San Juan Luis Munoz Marin Intl

Sat 15/11

21:25-10:15

1 stop32h 50m

£1,054

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 21/7

21:20-02:03

2 stops57h 43m

£439

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 29/8

12:10-10:54

1 stop27h 44m

£539

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 28/8

12:10-01:22

1 stop18h 12m

£540

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 19/11

09:35-13:18

2 stops31h 43m

£591

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 1/8

10:55-09:15

2 stops27h 20m

£884

Flights are sorted by cheapest return flights first.

Deals found on 25/6

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 26 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.

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 26 June 2025.
See what other customers who have flown with JetBlue, Turkish Airlines, andTAP AIR PORTUGAL from London Gatwick Airport to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.0

Food

6.7

Comfort

7.6

Overall

7.3

Entertainment

7.3

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Feb 2025

BOS - SFO

Flight was delayed an hour due to a flight plan issue. Then additional fuel was needed. The crew did communicate well. Upon departure there was not food available for purchase, at least not by the time they got to row 23. Wifi didn't work consistently. Not the normal Jetblue experience. The Captain and crew were great though.

Crew

8.0

Food

6.7

Comfort

7.6

Overall

7.3

Entertainment

7.3

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Feb 2025

BOS - SFO

Flight was delayed an hour due to a flight plan issue. Then additional fuel was needed. The crew did communicate well. Upon departure there was not food available for purchase, at least not by the time they got to row 23. Wifi didn't work consistently. Not the normal Jetblue experience. The Captain and crew were great though.

Crew

8.0

Food

6.7

Comfort

7.6

Overall

7.3

Entertainment

7.3

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Feb 2025

BOS - SFO

Flight was delayed an hour due to a flight plan issue. Then additional fuel was needed. The crew did communicate well. Upon departure there was not food available for purchase, at least not by the time they got to row 23. Wifi didn't work consistently. Not the normal Jetblue experience. The Captain and crew were great though.

Crew

8.0

Food

6.7

Comfort

7.6

Overall

7.3

Entertainment

7.3

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Feb 2025

BOS - SFO

Flight was delayed an hour due to a flight plan issue. Then additional fuel was needed. The crew did communicate well. Upon departure there was not food available for purchase, at least not by the time they got to row 23. Wifi didn't work consistently. Not the normal Jetblue experience. The Captain and crew were great though.

Crew

8.0

Food

6.7

Comfort

7.6

Overall

7.3

Entertainment

7.3

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Feb 2025

BOS - SFO

Flight was delayed an hour due to a flight plan issue. Then additional fuel was needed. The crew did communicate well. Upon departure there was not food available for purchase, at least not by the time they got to row 23. Wifi didn't work consistently. Not the normal Jetblue experience. The Captain and crew were great though.

Crew

8.0

Food

6.7

Comfort

7.6

Overall

7.3

Entertainment

7.3

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Feb 2025

BOS - SFO

Flight was delayed an hour due to a flight plan issue. Then additional fuel was needed. The crew did communicate well. Upon departure there was not food available for purchase, at least not by the time they got to row 23. Wifi didn't work consistently. Not the normal Jetblue experience. The Captain and crew were great though.

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 £472 on this airline. Additional options worth looking into are JetBlue and TAP AIR PORTUGAL, starting at £560 and £640 round-trip. These flights start at 38% 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 Icelandair. According to our data, you can fly for as low as £539. Users have also found prices from £540 and £591 on JetBlue 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 26 June 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£418Average£673FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£509Average£828FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.