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Cheap flights from Glasgow Intl Airport to San Juan from £848

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to San Juan departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Glasgow Intl Airport to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:20 - 19:34GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
34h 14m2 stops Reykjavik Keflavik Intl New York John F Kennedy Intl
Multiple Airlines Logo
18:55 - 13:25SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
37h 30m2 stops Boston Logan Intl Reykjavik Keflavik Intl
£848Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
14:20 - 13:40GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
28h 20m2 stops Reykjavik Keflavik Intl Newark
Multiple Airlines Logo
10:30 - 13:25SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
21h 55m2 stops New York John F Kennedy Intl Reykjavik Keflavik Intl
£851Multiple Airlines
Wed, 23 Sep - Wed, 30 Sep
Icelandair Logo
14:20 - 13:39GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
28h 19m2 stops Reykjavik Keflavik Intl New York John F Kennedy Intl
Icelandair Logo
10:30 - 13:25SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
21h 55m2 stops New York John F Kennedy Intl Reykjavik Keflavik Intl
£929Icelandair
Tue, 22 Sep - Sat, 26 Sep
Icelandair Logo
14:20 - 13:39GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
28h 19m2 stops Reykjavik Keflavik Intl New York John F Kennedy Intl
Icelandair Logo
06:00 - 13:25SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
26h 25m2 stops Boston Logan Intl Reykjavik Keflavik Intl
£985Icelandair
Tue, 22 Sep - Sat, 26 Sep
Icelandair Logo
14:20 - 13:39GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
28h 19m2 stops Reykjavik Keflavik Intl New York John F Kennedy Intl
Icelandair Logo
06:00 - 13:25SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
26h 25m2 stops Boston Logan Intl Reykjavik Keflavik Intl
£1,008Icelandair
Tue, 22 Sep - Sat, 26 Sep
Lufthansa Logo
14:00 - 11:57GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
26h 57m1 stop Newark
Lufthansa Logo
13:25 - 10:10SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
15h 45m1 stop Newark
£1,027Lufthansa
Wed, 9 Sep - Wed, 16 Sep
Icelandair Logo
14:20 - 09:58GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
24h 38m2 stops Reykjavik Keflavik Intl Boston Logan Intl
Icelandair Logo
13:50 - 13:40SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
18h 50m2 stops Boston Logan Intl Reykjavik Keflavik Intl
£1,109Icelandair
Wed, 2 Sep - Sun, 6 Sep
United Airlines Logo
14:00 - 23:50GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
14h 50m1 stop Newark
United Airlines Logo
13:25 - 10:10SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
15h 45m1 stop Newark
£1,157United Airlines
Fri, 25 Sep - Fri, 2 Oct
United Airlines Logo
14:00 - 23:50GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
14h 50m1 stop Newark
United Airlines Logo
16:55 - 10:10SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
36h 15m2 stops Washington, D.C. Dulles Intl Newark
£1,170United Airlines
Wed, 2 Sep - Sun, 6 Sep
United Airlines Logo
14:00 - 23:50GLA  Glasgow Intl-SJU San Juan Luis Munoz Marin Intl
14h 50m1 stop Newark
United Airlines Logo
14:55 - 10:10SJU  San Juan Luis Munoz Marin Intl-GLA Glasgow Intl
14h 15m1 stop Newark
£1,200United Airlines
Wed, 2 Sep - Sun, 6 Sep

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United Airlines flights from Glasgow Intl Airport to San Juan

Our best United Airlines deals on Glasgow Intl Airport to San Juan flight tickets
United Airlines
25 Sept
GLA14:00Glasgow Intl
35h 38m
2 stops
SJU20:38San Juan Luis Munoz Marin Intl
2 Oct
SJU07:00San Juan Luis Munoz Marin Intl
22h 10m
2 stops
GLA10:10Glasgow Intl
£1,157
United Airlines
2 Sept
GLA14:00Glasgow Intl
14h 50m
1 stop
SJU23:50San Juan Luis Munoz Marin Intl
6 Sept
SJU16:55San Juan Luis Munoz Marin Intl
36h 15m
2 stops
GLA10:10Glasgow Intl
£1,170
United Airlines
2 Sept
GLA14:00Glasgow Intl
14h 50m
1 stop
SJU23:50San Juan Luis Munoz Marin Intl
6 Sept
SJU14:55San Juan Luis Munoz Marin Intl
14h 15m
1 stop
GLA10:10Glasgow Intl
£1,200

Icelandair flights from Glasgow Intl Airport to San Juan

Our best Icelandair deals on Glasgow Intl Airport to San Juan flight tickets
Icelandair
22 Sept
GLA14:20Glasgow Intl
28h 19m
2 stops
SJU13:39San Juan Luis Munoz Marin Intl
26 Sept
SJU10:30San Juan Luis Munoz Marin Intl
21h 55m
2 stops
GLA13:25Glasgow Intl
£929
Icelandair
22 Sept
GLA14:20Glasgow Intl
28h 19m
2 stops
SJU13:39San Juan Luis Munoz Marin Intl
26 Sept
SJU06:00San Juan Luis Munoz Marin Intl
26h 25m
2 stops
GLA13:25Glasgow Intl
£985
Icelandair
22 Sept
GLA14:20Glasgow Intl
28h 19m
2 stops
SJU13:39San Juan Luis Munoz Marin Intl
26 Sept
SJU06:00San Juan Luis Munoz Marin Intl
26h 25m
2 stops
GLA13:25Glasgow Intl
£1,008

momondo Fare Finder

 
Customise your flight search to find flights from Glasgow Intl Airport 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, momondo users made 279,928 searches. Data last updated 13 August 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to San Juan that are best for you.

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 9/9

14:20-19:34

2 stops34h 14m

San Juan Luis Munoz Marin Intl

Wed 16/9

18:55-13:25

2 stops37h 30m

£848

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Wed 23/9

14:20-13:40

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Wed 30/9

10:30-13:25

2 stops21h 55m

£851

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Tue 22/9

14:20-13:39

2 stops28h 19m

San Juan Luis Munoz Marin Intl

Sat 26/9

10:30-13:25

2 stops21h 55m

£929

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Tue 22/9

14:20-13:39

2 stops28h 19m

San Juan Luis Munoz Marin Intl

Sat 26/9

06:00-13:25

2 stops26h 25m

£985

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Tue 22/9

14:20-13:39

2 stops28h 19m

San Juan Luis Munoz Marin Intl

Sat 26/9

06:00-13:25

2 stops26h 25m

£1,008

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Wed 9/9

14:00-11:57

1 stop26h 57m

San Juan Luis Munoz Marin Intl

Wed 16/9

13:25-10:10

1 stop15h 45m

£1,027

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Wed 2/9

14:20-09:58

2 stops24h 38m

San Juan Luis Munoz Marin Intl

Sun 6/9

13:50-13:40

2 stops18h 50m

£1,109

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Fri 25/9

14:00-23:50

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Fri 2/10

13:25-10:10

1 stop15h 45m

£1,157

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Wed 2/9

14:00-23:50

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Sun 6/9

16:55-10:10

2 stops36h 15m

£1,170
Fastest return journey

GlasgowSan Juan

GLA Glasgow Intl - SJU San Juan Luis Munoz Marin Intl

GLASJU

Glasgow Intl

Wed 2/9

14:00-23:50

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Sun 6/9

14:55-10:10

1 stop14h 15m

£1,200

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Glasgow Intl Airport to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to San Juan

Fastest flight time

28h 19m

Direct flights

None
The fastest flight from Glasgow Intl Airport to San Juan takes 28h 19m
There are no direct flights from Glasgow Intl Airport to San Juan. There are no popular flight routes from Glasgow Intl Airport to San Juan.
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Frequently asked questions about flying from Glasgow Intl Airport to San Juan

  • How far is Glasgow Intl to San Juan by plane?

    The distance between Glasgow Intl and San Juan is about 4075.3 mi. By plane, this route typically takes 28h 19m.

  • When did momondo last update prices for flights from Glasgow Intl Airport to San Juan?

    Prices for flights from Glasgow Intl Airport to San Juan were last updated today.

  • How old do you have to be to fly from Glasgow Intl Airport to San Juan?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow Intl Airport to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Glasgow Intl Airport to San Juan

  • How do I get Price Alerts for flights from Glasgow Intl Airport to San Juan?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Glasgow Intl Airport from San Juan. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Glasgow Intl Airport to San Juan with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Glasgow to San Juan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from Glasgow.

Can I find flights from Glasgow to San Juan with flexible booking policies on momondo?

Yes. All flights to San Juan from Glasgow on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Glasgow to San Juan?

Once you have performed a search for Glasgow to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Glasgow to San Juan right now. Can momondo alert me if prices change?

Price alerts on flights to San Juan from Glasgow are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Luis Munoz Marin Intl Airport