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Cheap flights from Glasgow to San Juan from £887

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SJU
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow to San Juan

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow to San Juan
Explore the most affordable flight options available from Glasgow to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Sat 12/914:20
GLA
-
SJU
2 stops27h 22m
Icelandair
Wed 16/914:25
SJU
-
GLA
2 stops18h 00m
Icelandair
Deal found 14/3£887
Sat 12/906:30
GLA
-
SJU
2 stops22h 29m
British Airways
Wed 16/912:05
SJU
-
GLA
2 stops17h 25m
British Airways
Deal found 12/3£1,047
Sat 12/914:00
GLA
-
SJU
1 stop14h 50m
United Airlines
Wed 16/907:00
SJU
-
GLA
2 stops22h 10m
United Airlines
Deal found 11/3£1,073

Find flight deals from Glasgow to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) 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 16 March 2026.

Popular in

August

Cheapest in

November

Average price

£983
Highest demand for flights based on searches. 8% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow 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 16 March 2026.
Use the filters below to find and compare flights from Glasgow to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Sat 12/9

14:20-12:17

2 stops26h 57m

San Juan Luis Munoz Marin Intl

Wed 16/9

14:25-13:25

2 stops18h 00m

£902

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Sat 12/9

06:30-23:59

2 stops22h 29m

San Juan Luis Munoz Marin Intl

Wed 16/9

12:05-10:30

2 stops17h 25m

£1,047
Fastest return journey

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Sat 12/9

14:00-23:50

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Wed 16/9

07:00-10:10

2 stops22h 10m

£1,073

Flights are sorted by cheapest return flights first.

Deals found on 15/3

Sorted by cheapest first

Best time to book a flight from Glasgow to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Glasgow 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 Glasgow to San Juan

What is the cheapest month to book a flight from Glasgow to San Juan?

Currently, September is the cheapest month in which you can book a flight from Glasgow to San Juan (average of £601). Flying from Glasgow to San Juan in February is currently the most expensive (average of £1,011). 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.

Related info for your journey

Find useful and relevant information for your journey from Glasgow 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 Glasgow to San Juan?

    Icelandair, British Airways, and United Airlines can get you from Glasgow to San Juan in just under 14h 50m. Your travel time can differ by up to 12h 07m. The distance between Glasgow and San Juan is about 4073 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Glasgow 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 Glasgow to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Glasgow to San Juan (average of £601). Flying from Glasgow to San Juan in February is currently the most expensive (average of £1,011). 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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Alternative routes for Glasgow to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Edinburgh to Luis Munoz Marin Intl flights
Glasgow Intl to Luis Munoz Marin Intl flights

Top 2 airlines flying from Glasgow to San Juan

Discover the top 2 airlines that operate flights from Glasgow 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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£525Average£652FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£607Average£856FlexibilityNo cancel feeOn-time76%
Search Icelandair 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 Glasgow to San Juan?

When you search for this flight from Glasgow 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 Glasgow to San Juan?

Millions of users choose and trust Cheapflights to book the best flight deals from Glasgow to San Juan for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to San Juan from Glasgow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Glasgow to San Juan on Cheapflights with our Price Alert feature and get notified when better prices are available.

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