776 € Cheap Flights from Glasgow Intl to San Juan

Compare Glasgow Intl to San Juan flight deals

Find the cheapest month or even day of the year to fly to San Juan

Book the best San Juan fare with no extra fees

Flight deals from Glasgow Intl Airport to San Juan

Looking for a cheap last-minute deal or the best return flight from Glasgow Intl Airport to San Juan? If you want to travel next month, return fares start from 776 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Glasgow Intl to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Glasgow Intl to San Juan flights are currently cheapest in April.

Glasgow to San Juan: Flight information

The things to know before you go.
Cheapest flight found776 €
Cheapest month to flyApril

Finding cheap flights from Glasgow Intl to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Glasgow Intl to San Juan is 776 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Glasgow Intl to San Juan. But we found flights with one or more stops from 776 €.
As of March 2026, there are no flights flying from Glasgow Intl to San Juan.
The cheapest month to fly from Glasgow Intl to San Juan is usually April.
If you're flying from Glasgow Intl Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from 776 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Glasgow Intl Airport to San Juan on Saturday, 18 April 2026.
No airlines currently offer direct flights between Glasgow Intl Airport and San Juan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 25°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Ryanair offers the cheapest flight tickets to San Juan.

Travelling from Glasgow International Airport (GLA) to San Juan: what you need to know

  • The timezone in San Juan is UTC-4. The city is four hours behind Glasgow, where Glasgow International Airport is located.

  • For a relaxed start to your GLA to San Juan flight, leave plenty of time to navigate the airport and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • Taking off during a peak time like public or school holidays? Expect longer queues at security and check-in. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • GLA is about 11 kilometres from central Glasgow. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 15 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the trip time to be around 35 minutes.

  • Searching for a hotel near GLA? If you're boarding an early flight from Glasgow International Airport to San Juan, these stays will put you moments from check-in:

  • 70.07% of flights that leave from Glasgow International Airport reach their destination on schedule.

How to find the cheapest flights from Glasgow International Airport (GLA) to San Juan

  • 500 € is the lowest price we've found for a one-way Glasgow International Airport to San Juan flight. A round-trip ticket right now is 776 €. Depending on the availability when you book, these fares can change.

  • Booking in advance is often the key to locking in a cheap flight from GLA to San Juan. Flight prices rise as demand increases, so the closer your departure date, the more expensive your ticket may be.

  • If you're flexible with your travel plans, try using the 'Whole month' search tool. It'll show you the cheapest price across every month when searching for your Glasgow International Airport to San Juan ticket.

  • There's no need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll notify you when there's an even bigger deal on cheap flights from GLA to San Juan.

  • Find a cheap flight from Glasgow International Airport to San Juan with the help of our filters. Choose your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • The distance from Luis Munoz Marin International Airport (SJU) to central San Juan is roughly 8 kilometres. It takes about 10 minutes to reach the centre driving.

  • Getting there by public transport typically takes 55 minutes.

  • Book a hotel close to SJU if you're coming in on a late flight from Glasgow International Airport to San Juan. Settle into one of these options and make your arrival easier:

  • Get your adventure underway by picking up a Luis Munoz Marin International Airport rental car. Grab your wheels from Sixt, Ace Rent a Car or U-Save to explore San Juan and beyond.

  • Reserving your ride from Luis Munoz Marin International Airport about two weeks before your flight from GLA to San Juan can help you get the lowest rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • The centre of San Juan is located around 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). After your flight from Glasgow International Airport to San Juan has landed and you've made your way out of the airport, expect a drive of about 15 minutes.

  • Travelling by public transport will take around 1 hour.

  • You'll find some great places ready to welcome you near SIG. Unwind and get cosy after your GLA to San Juan flight at any of these well-located options:

Best time to go to San Juan

  • Carefully consider your dates before locking in your flight from Glasgow International Airport to San Juan. The city buzzes during peak season, but rates are often higher and top attractions can get busy. Go to San Juan in the off-season for a more relaxed vibe.

  • Before locking in your Glasgow International Airport to San Juan plane ticket, think about the kind of weather you prefer. September is the warmest month in San Juan, with temperatures ranging from 23ºC (73ºF) to 33ºC (91ºF).

  • February has average temperatures of between 20ºC (68ºF) and 28ºC (82ºF). Look for a cheap ticket from GLA to San Juan around that time if you like cooler conditions.

More about San Juan

  • When it comes to searching for somewhere to rest your head, you'll find the best stays in San Juan right here. Explore these options after locking in your flight from Glasgow International Airport to San Juan:

  • La Garita del morro de san juan bahia and Castillo San Felipe del Morro are just a couple of the top-rated attractions to put on your San Juan must-do list. Keep the adventure rolling by checking out Fortaleza Street.

Explore more of Puerto Rico

  • Aguadilla is just one of the many places in Puerto Rico waiting to be discovered after you've seen San Juan. Around 113 kilometres away to the west, check out popular attractions including El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • Isabela is another sought-after destination in Puerto Rico and is around 105 kilometres west of San Juan. No trip is complete without experiencing Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.