How long is the flight from Glasgow to San Juan?

Aer Lingus and British Airways can get you from Glasgow to San Juan in just under 17h 25m. Your travel time can differ by up to 2h. 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.

In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

What is the cheapest time of day to fly from GLA to SJU?

When flying from Glasgow to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£401+ Cheap Flights from Glasgow to San Juan

Cheap flight deals from Glasgow to San Juan

Enter your travel dates to find the best prices.

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Best

Last-minute

One-way

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 September 2026.

Thu 1/1014:00 -

1 stop14h 50m

Mon 5/1013:25 -

1 stop15h 45m

Deal found 11/9£1,144

Find flight deals from Glasgow to San Juan

Round-trip from	£683
One-way from	£401

Aer Lingus
12/1-3/5
4 total stops
35h 55m total
Glasgow to San Juan

Search Deals

23/11-31/12
3 total stops
46h 33m total
Glasgow to San Juan

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Wed 25/11

09:55-02:11

3 stops44h 16m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£419

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Fri 27/11

06:35-02:11

3 stops23h 36m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£452

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Thu 26/11

13:55-02:06

2 stops40h 11m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£469

Fastest return journey

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Tue 24/11

07:55-02:11

2 stops22h 16m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£475

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Wed 3/2

10:40-16:55

3 stops34h 15m

San Juan Luis Munoz Marin Intl

Fri 19/2

14:25-20:40

2 stops26h 15m

£818

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Tue 12/1

08:25-02:25

2 stops22h 00m

San Juan Luis Munoz Marin Intl

Tue 20/4

11:45-12:50

2 stops20h 05m

£1,050

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Tue 12/1

08:25-02:25

2 stops22h 00m

San Juan Luis Munoz Marin Intl

Fri 4/6

07:20-08:05

2 stops19h 45m

£1,051

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Thu 4/2

06:35-20:00

2 stops17h 25m

San Juan Luis Munoz Marin Intl

Mon 8/2

15:14-14:30

2 stops19h 16m

£1,130

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Thu 1/10

14:00-23:50

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Mon 5/10

13:25-10:10

1 stop15h 45m

£1,144

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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.

GG1-PR1

GLA-SJU

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

GG1-PR1

GLA-SJU

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

Related info for your journey

How long is the flight from Glasgow to San Juan?
Aer Lingus and British Airways can get you from Glasgow to San Juan in just under 17h 25m. Your travel time can differ by up to 2h. 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.

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Alternative routes for Glasgow to San Juan

Glasgow Intl to Luis Munoz Marin Intl flights

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Top airline flying from Glasgow to San Juan

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£590	Average£632	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights

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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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Cheap flights from Glasgow to San Juan from £401

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Glasgow to San Juan

Cheapest flights from Glasgow to San JuanExplore 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 September 2026.

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 September 2026.

Best flights from Glasgow to San JuanDiscover carefully curated flight deals from Glasgow to San Juan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Discover carefully curated flight deals from Glasgow to San Juan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Glasgow to San JuanDiscover last-minute flight deals from Glasgow to San Juan. Data last updated 16 September 2026 and is based on user searches.

Discover last-minute flight deals from Glasgow to San Juan. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Glasgow to San JuanSearch for one-way flight options from Glasgow to San Juan. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Search for one-way flight options from Glasgow to San Juan. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

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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.

Cheapflights Insights

Related info for your journey

How long is the flight from Glasgow to San Juan?

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

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

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

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.

Complete your trip

Complete your trip to San Juan by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Glasgow to San Juan by cabin class

Find flights from Glasgow to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Glasgow and San Juan flights

Browse other Glasgow and San Juan flight options. Last updated on 16 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Glasgow to San Juan

Fly with Cheapflights

How does Cheapflights help users find flights from Glasgow to San Juan?

Why should you use Cheapflights to find cheap flight tickets from Glasgow to San Juan?

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

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

100% Free

Book with Flexibility

Travel Smart

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 September 2026.

Best flights from Glasgow to San Juan
Discover carefully curated flight deals from Glasgow to San Juan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Glasgow to San Juan
Discover last-minute flight deals from Glasgow to San Juan. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Glasgow to San Juan
Search for one-way flight options from Glasgow to San Juan. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.