Question 1

What are the cheapest airlines flying from Glasgow Intl Airport to Lisbon round-trip?

Accepted Answer

According to our current data, easyJet (£144), Ryanair (£166), and KLM (£216) offers the cheapest pricing from Glasgow Intl Airport to Lisbon. easyJet is priced at 36% lower than the current average price of a flight leaving 3 months from now.

Question 2

What are the cheapest airlines to fly from Glasgow Intl Airport to Lisbon one-way?

Accepted Answer

£60 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on Ryanair and Aer Lingus, with prices starting from £75 and £88, respectively.

Question 3

How far ahead should I book a flight from Glasgow Intl Airport to Lisbon?

Accepted Answer

The best time to book flights from Glasgow Intl Airport to Lisbon is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 4

What is the cheapest month to book a flight from Glasgow Intl Airport to Lisbon?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Lisbon (average of £101). Flying from Glasgow Intl Airport to Lisbon in August is currently the most expensive (average of £274). 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.

Question 5

What is the cheapest day to fly from Glasgow Intl Airport to Lisbon?

Accepted Answer

Travellers seeking maximum savings on their Glasgow Intl Airport to Lisbon flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Lisbon ranges from 6.0 - 122.0 inches per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Lisbon when rainfall is around 6.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Question 8

What are the most popular airlines that fly from Glasgow Intl Airport to Lisbon?

Accepted Answer

British Airways, Ryanair and KLM are the most popular airlines when flying from Glasgow Intl Airport to Lisbon.

Question 9

What is the cheapest day to fly round-trip from Glasgow Intl Airport to Lisbon?

Accepted Answer

Friday flights are generally found to be more expensive for flights from Glasgow Intl Airport to Lisbon. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Lisbon.

Question 10

How far in advance should I book a flight from Glasgow Intl Airport to Lisbon?

Accepted Answer

To save on the cost of your flight from Glasgow Intl Airport to Lisbon, book at least 48 days before your planned departure. Booking around this time can save you about 97% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £154 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £305.

Question 11

What is the cheapest month to fly from Glasgow Intl Airport to Lisbon?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Lisbon. Flights to Lisbon from Glasgow Intl Airport in January are about £226 on average during January, but can be found for as low as £116.

Question 12

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

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Glasgow Intl Airport to Lisbon in the evening. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the afternoon.

Question 13

What airport do you fly into for flights to Lisbon from Glasgow Intl?

Accepted Answer

Lisbon Humberto Delgado (LIS) is the airport you will fly into if you book a flight from Glasgow Intl to Lisbon. You should not have trouble finding flights to Humberto Delgado from Glasgow Intl; the airport handles an average of 0 inbound flights from Glasgow Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Lisbon airport from Glasgow Intl. It is only a 4.2 mi journey from Humberto Delgado (LIS) to Lisbon’s city center.

Question 14

Can I find deals for flights from Glasgow Intl to Lisbon that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Glasgow Intl to Lisbon flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 15

How can I find direct flights from Glasgow Intl to Lisbon?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to Lisbon.

Question 16

Can I find deals for business class flights from Glasgow Intl to Lisbon?

Accepted Answer

Yes. Cheapflights offers flight deals from Glasgow Intl to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 17

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

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Lisbon from Glasgow Intl today with Cheapflights!

Question 18

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl to Lisbon by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 19

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

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Glasgow Intl to Lisbon, users can toggle the no change fees filter when performing a flight search.

Question 20

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

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£144
One-way from	£60
Popular in	August
Cheapest in	January
Average price	£265

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£116	Average£164	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
easyJet	Cheapest£118	Average£203	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
KLM	Cheapest£136	Average£238	FlexibilityNo cancel fee	On-time75%	Search KLM flights
British Airways	Cheapest£163	Average£303	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£172	Average£191	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Cheap flights from Glasgow Intl Airport to Lisbon from £60

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Glasgow Intl to Lisbon Humberto Delgado are usually found in January or February, booked 90 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Glasgow Intl to Lisbon

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Glasgow Intl to Lisbon

Cheapest flights from Glasgow Intl to LisbonExplore the most affordable flight options available from Glasgow Intl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from Glasgow Intl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Intl Airport to Lisbon that are best for you.

Best time to book a flight from Glasgow Intl to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Glasgow Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Glasgow Intl Airport to Lisbon

How far ahead should I book a flight from Glasgow Intl Airport to Lisbon?

Use this chart to determine the optimal time to book a return flight from Glasgow Intl to Lisbon. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Glasgow Intl Airport to Lisbon?

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

Find hourly flight availability from Glasgow Intl to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated 11 July 2025.

Check out reviews from past customers who have flown with KLM, Air France, andAer Lingus from Glasgow Intl Airport to Lisbon to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Lisbon from Glasgow Intl?

What are the cheapest airlines flying from Glasgow Intl Airport to Lisbon round-trip?

What are the cheapest airlines to fly from Glasgow Intl Airport to Lisbon one-way?

Can I find deals for flights from Glasgow Intl to Lisbon that include hotel bookings?

How can I find direct flights from Glasgow Intl to Lisbon?

Can I find deals for business class flights from Glasgow Intl to Lisbon?

What is the cheapest month to book a flight from Glasgow Intl Airport to Lisbon?

Travelling to a place near Glasgow Intl Airport?

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 Intl to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Glasgow Intl to Lisbon

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Glasgow Intl to Lisbon
Explore the most affordable flight options available from Glasgow Intl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.