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Cheap flights from London Gatwick Airport to San Juan from £293

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SJU
8 Sep — 15 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to San Juan

Enter your travel dates to find the best prices.

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 9 August 2026.

Mon 21/914:00 -
1 stop14h 13m
Mon 28/910:42 -
1 stop18h 18m
Deal found 7/8£524
Sat 19/914:00 -
1 stop16h 52m
Sat 26/921:50 -
1 stop31h 10m
Deal found 5/8£528
Sat 3/1014:00 -
1 stop16h 52m
Mon 19/1021:49 -
1 stop31h 11m
Deal found 9/8£545
Fri 18/914:00 -
1 stop24h 35m
Sun 4/1010:42 -
1 stop18h 18m
Deal found 8/8£554
Fri 30/1012:35 -
1 stop28h 41m
Sat 7/1119:42 -
1 stop32h 33m
Deal found 6/8£567
Thu 29/1011:00 -
1 stop18h 50m
Sat 7/1119:42 -
1 stop32h 33m
Deal found 6/8£575
Tue 1/1210:10 -
1 stop32h 56m
Sat 12/1219:43 -
1 stop32h 32m
Deal found 9/8£583

Find 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 9 August 2026.

Round-trip from

£524

One-way from

£293

Popular in

December

Cheapest in

February

Average price

£761
21/9-28/9
  • 21/9-28/9
  • 2 total stops
  • 32h 31m total
  • London to San Juan
Search Deals
4/9
  • 4/9
  • 1 total stop
  • 23h 11m total
  • London to San Juan
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 9 August 2026.
Use the filters below to find and compare flights from London Gatwick Airport to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Mon 21/9

06:50-19:05

2 stops17h 15m

San Juan Luis Munoz Marin Intl

Mon 28/9

20:50-22:50

2 stops21h 00m

£810

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Tue 2/2

21:20-23:50

3 stops30h 30m

San Juan Luis Munoz Marin Intl

Sun 7/2

16:40-20:35

2 stops23h 55m

£824

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Sat 31/10

10:10-14:03

2 stops31h 53m

San Juan Luis Munoz Marin Intl

Mon 9/11

11:45-15:45

2 stops24h 00m

£870

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Mon 2/11

11:00-14:03

2 stops31h 03m

San Juan Luis Munoz Marin Intl

Mon 9/11

07:00-15:45

2 stops28h 45m

£870

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Sun 1/11

09:05-14:03

2 stops32h 58m

San Juan Luis Munoz Marin Intl

Wed 11/11

07:00-09:50

2 stops22h 50m

£870

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Sat 31/10

10:10-14:03

2 stops31h 53m

San Juan Luis Munoz Marin Intl

Sun 15/11

07:00-15:45

2 stops28h 45m

£870

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Sat 31/10

10:10-14:03

2 stops31h 53m

San Juan Luis Munoz Marin Intl

Wed 11/11

11:45-15:05

2 stops23h 20m

£870

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Wed 4/11

16:35-00:25

2 stops35h 50m

San Juan Luis Munoz Marin Intl

Tue 10/11

07:00-15:45

2 stops28h 45m

£877

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Wed 7/10

10:35-23:58

2 stops42h 23m

San Juan Luis Munoz Marin Intl

Sun 11/10

06:12-15:10

2 stops27h 58m

£877

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Wed 25/11

16:35-03:38

2 stops39h 03m

San Juan Luis Munoz Marin Intl

Fri 4/12

06:16-15:45

2 stops29h 29m

£888

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 18 resultsSorted by cheapest first
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

No data available for this route at this time. Please check back soon.

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 9 August 2026.
See what other customers who have flown with JetBlue 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.
JetBlue
7.1
Good
3,031 reviews
Check prices

Comfort

7.5

Overall

7.1

Boarding

7.3

Entertainment

7.2

Crew

7.9

Food

6.6

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
7.1
Good
3,031 reviews
JetBlue
7.1
Good
3,031 reviews
Check prices

Comfort

7.5

Overall

7.1

Boarding

7.3

Entertainment

7.2

Crew

7.9

Food

6.6

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.

  • How long is the flight from London Gatwick Airport to San Juan?

    Departing from London Gatwick Airport to San Juan will take you 31h 53m. London Gatwick Airport and San Juan are separated by a distance of 4188 mi.

  • What is the cheapest airline to fly from London Gatwick Airport to San Juan round-trip?

    Our cheapest airline available from London Gatwick Airport to San Juan is JetBlue. Our recent data shows that you can find tickets from as low as £484 on this airline.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Gatwick to San Juan

Discover the top airline 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 9 August 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£484Average£852FlexibilityNo cancel feeOn-time62%
Search JetBlue 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.

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