Cheap flights from Glasgow Intl Airport to Puerto Rico from £344

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SJU
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Glasgow Intl to Puerto Rico

Keep the following information in mind while searching for Glasgow Intl to Puerto Rico flight deals. Data was last updated 29 August 2025.

Popular in

August

Cheapest in

March

Average price

£1,156
Highest demand for flights based on searches. 5% potential increase in price (£48 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Glasgow Intl to Puerto Rico

One-way flights from Glasgow Intl to Puerto Rico
Search for one-way flight options from Glasgow Intl to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.

Mon 22/908:30GLA - SJU
3 stops46h 28mMultiple Airlines
Deal found 27/8£344
Sat 8/1112:00GLA - SJU
2 stops19h 48mAer Lingus
Deal found 28/8£710

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow Intl to Puerto Rico 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 29 August 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Puerto Rico that are best for you.

Fly from

Glasgow Intl

Fly to

Puerto Rico

Route

Depart

Return

Price

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Mon 22/9

08:30-01:58

3 stops46h 28m

£344

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Sat 8/11

12:00-03:48

2 stops19h 48m

£710

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Best time to book a flight from Glasgow Intl to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Glasgow Intl 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 Intl Airport to Puerto Rico
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated 29 August 2025.
Read reviews from past customers who have flown with British Airways from Glasgow Intl Airport to Puerto Rico. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

6.7

Boarding

6.9

Crew

7.6

Overall

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

LHR - FCO

The crew was wonderful. Service was great. The discomfort came from the passenger behind me kicking the seat.

Comfort

6.7

Boarding

6.9

Crew

7.6

Overall

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

LHR - FCO

The crew was wonderful. Service was great. The discomfort came from the passenger behind me kicking the seat.

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find deals for flights from Glasgow Intl to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl to Puerto Rico?

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

  • Can I find deals for business class flights from Glasgow Intl to Puerto Rico?

    Yes. Cheapflights offers flight deals from Glasgow Intl to Puerto Rico 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 Intl Airport to Puerto Rico?

    Currently, April is the cheapest month in which you can book a flight from Glasgow Intl Airport to Puerto Rico (average of £631). Flying from Glasgow Intl Airport to Puerto Rico 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

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Top airline flying from Glasgow Intl to Puerto Rico

Discover the top airline that operate flights from Glasgow Intl to Puerto Rico. 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£910Average£990FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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How does Cheapflights help users find flights from Glasgow Intl to Puerto Rico?

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

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