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Cheap flights from Glasgow Intl Airport to Puerto Rico from £431

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SJU
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

£1,234

One-way from

£431

Popular in

August

Cheapest in

March

Average price

£1,149
Icelandair
  • Icelandair
  • 9/3-11/3
  • 4 total stops
  • 36h 00m total
  • Glasgow to Puerto Rico
Search Deals
27/11
  • 27/11
  • 2 total stops
  • 39h 01m total
  • Glasgow to Puerto Rico
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Glasgow Intl to Puerto Rico

Best flights from Glasgow Intl to Puerto Rico
Discover carefully curated flight deals from Glasgow Intl to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Mon 9/312:35GLA - SJU
2 stops17h 12mIcelandair
Wed 11/310:59SJU - GLA
2 stops18h 56mIcelandair
Deal found 13/9£1,234

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 16 September 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 9/3

12:35-01:47

2 stops17h 12m

San Juan Luis Munoz Marin Intl

Wed 11/3

10:59-09:55

2 stops18h 56m

£1,234

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Thu 27/11

08:20-19:21

2 stops39h 01m

£431

GlasgowSan Juan

GLA - SJU

GLASJU

Glasgow Intl

Sat 8/11

09:35-23:52

2 stops18h 17m

£704

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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 16 September 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.
British Airways
6.7
Okay
7,361 reviews
Check prices

Crew

7.6

Boarding

6.9

Entertainment

6.4

Food

6.3

Comfort

6.7

Overall

6.7

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.
British Airways
6.7
Okay
7,361 reviews
British Airways
6.7
Okay
7,361 reviews
Check prices

Crew

7.6

Boarding

6.9

Entertainment

6.4

Food

6.3

Comfort

6.7

Overall

6.7

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.

  • How long is the flight from Glasgow Intl Airport to Puerto Rico?

    A quick flight from Glasgow Intl Airport to Puerto Rico can take about 17h 12m. Icelandair provides one of the quickest options available for as low as £1,234. There are 4073 mi between Glasgow Intl Airport and Puerto Rico.

  • 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£918Average£998FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Glasgow Intl to Puerto Rico flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Puerto Rico?

Cheapflights helps you find that perfect flight to Puerto Rico from Glasgow Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Glasgow Intl to Puerto Rico with no change fees?

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.

Can Cheapflights notify me if prices for flights from Glasgow Intl to Puerto Rico become cheaper?

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

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