$45 Flights from Glasgow International (GLA) to Lisbon (LIS)

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Flight deals from Glasgow International to Lisbon

Looking for a cheap last-minute deal or the best round-trip flight from Glasgow International to Lisbon? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Glasgow International to Lisbon

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

Direct flights from Glasgow International to Lisbon

Glasgow International to Lisbon: Alternative routes

Compare routes from Glasgow International to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Glasgow to Lisbon: Flight information

The things to know before you go.
Cheapest flight found$45
Cheapest month to flyApril
Average flight time3 hrs, 10 mins
Most popular airlineeasyJet
Average flights per week2

Finding cheap flights from Glasgow International to Lisbon: Frequently asked questions

The best price we found for a round-trip flight from Glasgow International to Lisbon is $107. 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.
3 hours and 10 minutes is the average flight time from Glasgow International to Lisbon.
easyJet flies direct from Glasgow International to Lisbon.
There are 2 flights per week flying from Glasgow International to Lisbon, as of December 2025.
The cheapest month to fly from Glasgow International to Lisbon is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Glasgow International Airport to Lisbon Airport on Tuesday, January 13, 2026.
Yes – the average flight time is 3 hours and 10 minutes.
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 Lisbon 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 Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair and easyJet offer the cheapest flight tickets to Lisbon.

Flying from Glasgow International Airport (GLA) to Lisbon Portela Airport (LIS): what you need to know

  • The average duration of a direct flight from Glasgow International Airport to Lisbon Portela Airport is 3 hours 5 minutes.

  • Lisbon's timezone is UTC+0, which is the same as Glasgow.

  • Give yourself plenty of time to make your GLA to LIS flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as June, it's best to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during a peak period in general.

  • Getting to Lisbon (and then discovering more of Portugal!) is easy with easyJet. This popular airline offers direct flights from Glasgow International Airport to Lisbon Portela Airport.

  • EasyJet is the airline most travelers choose to fly with on this route.

  • If you'd like to break up your flight, simply uncheck 'Direct flights only' when searching for your ticket from Glasgow International Airport to Lisbon Portela Airport. These are the top stopovers between GLA and LIS:

    • Dublin Airport

    • London Heathrow Airport

    • London Gatwick Airport

How to find the cheapest flights from Glasgow International Airport (GLA) to Lisbon Portela Airport (LIS)

  • $45 is the best price for a one-way Glasgow International Airport to Lisbon Portela Airport flight. A return flight starts at $107. These fares can change depending on availability.

  • To pick up cheap tickets from GLA to LIS, book your journey 11 months ahead of your departure.

  • October is the cheapest month for flights from Glasgow International Airport to Lisbon Portela Airport. If you want to fly during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • There's no need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll let you know as soon as there's a new deal on cheap flights from GLA to LIS.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Glasgow International Airport to Lisbon Portela Airport.

Handy information about Glasgow International Airport (GLA)

  • Of all flights leaving Glasgow International Airport, 70.07% touch down on time at their destination.

  • Central Glasgow to Glasgow International Airport is around 9 miles. Depending on traffic, it'll take you about 15 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Expect a trip time of around 35 minutes on public transport.

  • Get your journey off to a hassle-free start by staying near GLA. Whether you're taking an early flight from Glasgow International Airport to Lisbon Portela Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at Lisbon Portela Airport (LIS)

  • The last thing you need is a lengthy trip to your hotel if you're landing late on a Glasgow International Airport to Lisbon Portela Airport flight. Book one of these accommodation options near LIS instead:

  • Explore without limits with a Lisbon Portela Airport rental car. Pick up a set of wheels from Klass Wagen, Goldcar or OK Mobility and experience more of Lisbon and beyond.

  • Lock in the best rate by booking your vehicle from Lisbon Portela Airport around two weeks ahead of your trip.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • From Lisbon Portela Airport, Lisbon is approximately 6 miles away. It takes around 20 minutes to drive to the center.

  • It'll take around 1 hour if you're traveling by public transport.

When to fly to Lisbon Portela Airport (LIS)

  • June is the busiest month for flights from Glasgow International Airport to Lisbon Portela Airport. For smaller crowds, go to Lisbon in January.

  • The warmest month in Lisbon is August, with temperatures ranging between 61ºF and 84ºF. Lock in your flights from Glasgow International Airport to Lisbon Portela Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from GLA to LIS in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 46ºF and 61ºF on average.

Explore more of Portugal

  • Lisbon has plenty going for it, but there are so many other corners of Portugal you should also see. Around 170 miles north of Lisbon, a visit to Porto will keep your itinerary busy. Check out popular attractions like Livraria Lello, Ribeira District and The Douro River.

  • Around 5 miles north-west of Lisbon, Amadora is another essential stop in Portugal. No visit is complete without checking out Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

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