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Cheap flights from Glasgow to San Juan from £895

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SJU
9 Jul — 16 Jul1
1 adult

Cheap 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 4 July 2025.

Round-trip from

£895

Popular in

August

Cheapest in

October

Average price

£990
Icelandair
  • Icelandair
  • 15/7-23/7
  • 4 total stops
  • 49h 20m total
  • Glasgow to San Juan
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Glasgow to San Juan

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 4 July 2025.

Tue 15/714:20GLA - SJU
2 stops27h 30mIcelandair
Wed 23/710:35SJU - GLA
2 stops21h 50mIcelandair
Deal found 2/7£895
Wed 9/705:50GLA - SJU
2 stops22h 00mBritish Airways
Mon 28/706:03SJU - GLA
2 stops23h 02mBritish Airways
Deal found 2/7£1,045
Mon 14/706:00GLA - SJU
2 stops35h 16mDelta
Wed 23/714:40SJU - GLA
2 stops17h 20mDelta
Deal found 2/7£1,075
Thu 10/709:10GLA - SJU
2 stops19h 49mAir France
Thu 17/713:34SJU - GLA
2 stops21h 36mAir France
Deal found 3/7£2,270

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 4 July 2025.
Use the filters below to find and compare flights from Glasgow to San Juan that are best for you.

Fly from

Glasgow

Fly to

San Juan

Route

Depart

Return

Price

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Tue 15/7

14:20-12:50

2 stops27h 30m

San Juan Luis Munoz Marin Intl

Wed 23/7

10:35-13:25

2 stops21h 50m

£895

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Mon 14/7

06:00-12:16

2 stops35h 16m

San Juan Luis Munoz Marin Intl

Sun 27/7

13:34-16:10

2 stops21h 36m

£1,075

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Tue 15/7

05:50-21:55

2 stops21h 05m

San Juan Luis Munoz Marin Intl

Fri 25/7

11:59-20:20

2 stops27h 21m

£1,099

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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, April is the cheapest month in which you can book a flight from Glasgow to San Juan (average of £631). Flying from Glasgow 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.

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 4 July 2025.
See what other customers who have flown with Delta, Icelandair, andBritish Airways from Glasgow 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.
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,982 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Icelandair
7.0
Good
514 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
British Airways
6.6
Okay
7,093 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

  • What are the cheapest airlines flying from Glasgow to San Juan round-trip?

    Flying on Icelandair is currently your cheapest option to San Juan, with prices starting at £895. Additional return tickets that might be worth considering are offered by Delta and British Airways, with the lowest prices starting at £1,075 and £1,099, respectively. You may be able to fly from Glasgow to San Juan for 10% less than the average price by searching for these airlines.

  • 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, April is the cheapest month in which you can book a flight from Glasgow to San Juan (average of £631). Flying from Glasgow 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.

Alternative routes for Glasgow to San Juan

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

Top 3 airlines flying from Glasgow to San Juan

Discover the top 3 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£495Average£640FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£554Average£764FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£604Average£929FlexibilityNo cancel feeOn-time70%
Search British Airways 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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