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Cheap flights from Glasgow Intl Airport to Lisbon from £39

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LIS
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Glasgow Intl to Lisbon

Enter your travel dates to find the best prices.

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 19 November 2025.

Fri 12/1223:00GLA - LIS
2 stops19h 25mRyanair
Mon 15/1221:30LIS - GLA
1 stop10h 30mRyanair
Deal found 18/11£119
Sat 13/1220:25GLA - LIS
1 stop12h 30mRyanair
Fri 19/1220:50LIS - GLA
1 stop10h 05mRyanair
Deal found 17/11£123
Fri 12/1208:55GLA - LIS
1 stop14h 45measyJet
Mon 15/1220:20LIS - GLA
1 stop12h 00measyJet
Deal found 18/11£134
Fri 21/1123:00GLA - LIS
1 stop15h 00mMultiple Airlines
Fri 28/1121:30LIS - GLA
1 stop16h 45mMultiple Airlines
Deal found 16/11£207
Tue 18/1120:40GLA - LIS
1 stop13h 45mMultiple Airlines
Sat 22/1121:30LIS - GLA
1 stop11h 55mMultiple Airlines
Deal found 18/11£284
Mon 17/1119:20GLA - LIS
1 stop13h 25mMultiple Airlines
Sat 22/1121:30LIS - GLA
1 stop11h 55mMultiple Airlines
Deal found 17/11£289

Cheap flight deals from Glasgow Intl to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 November 2025.

Round-trip from

£112

One-way from

£39

Popular in

June

Cheapest in

December

Average price

£202
Ryanair
  • Ryanair
  • 1/1-8/1
  • 2 total stops
  • 20h 55m total
  • Glasgow to Lisbon
Search Deals
easyJet
  • easyJet
  • 7/1
  • 1 total stop
  • 13h 20m total
  • Glasgow to Lisbon
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow Intl to Lisbon 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, Cheapflights users made 858,174 searches. Data last updated 19 November 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Lisbon that are best for you.

Fly from

Glasgow Intl

Fly to

Lisbon

Route

Depart

Return

Price

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Thu 1/1

07:15-16:45

1 stop9h 30m

Lisbon Humberto Delgado

Thu 8/1

20:30-07:55

1 stop11h 25m

£112

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Sat 13/12

09:30-20:25

2 stops10h 55m

Lisbon Humberto Delgado

Fri 19/12

20:50-06:55

1 stop10h 05m

£119

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Fri 12/12

23:00-18:25

2 stops19h 25m

Lisbon Humberto Delgado

Mon 15/12

21:30-08:00

1 stop10h 30m

£119

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Mon 5/1

23:35-13:15

1 stop13h 40m

Lisbon Humberto Delgado

Wed 7/1

20:35-10:05

1 stop13h 30m

£122

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Sat 13/12

20:25-08:55

1 stop12h 30m

Lisbon Humberto Delgado

Fri 19/12

20:50-06:55

1 stop10h 05m

£123

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Thu 12/3

07:05-19:00

1 stop11h 55m

Lisbon Humberto Delgado

Mon 16/3

20:00-08:20

1 stop12h 20m

£127

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Fri 12/12

08:55-23:40

1 stop14h 45m

Lisbon Humberto Delgado

Mon 15/12

20:20-08:20

1 stop12h 00m

£134

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Mon 5/1

23:35-13:15

1 stop13h 40m

Lisbon Humberto Delgado

Wed 7/1

14:25-18:20

2 stops27h 55m

£135

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Fri 2/1

23:00-12:30

1 stop13h 30m

Lisbon Humberto Delgado

Fri 9/1

11:25-22:35

1 stop11h 10m

£136

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Thu 1/1

07:15-16:45

1 stop9h 30m

Lisbon Humberto Delgado

Thu 8/1

20:30-22:00

2 stops25h 30m

£151

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 20 results
1
2

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.
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 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 14 November 2025.

The best time to book flights from Glasgow Intl Airport to Lisbon is 36 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.

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

Currently, December is the cheapest month in which you can book a flight from Glasgow Intl Airport to Lisbon (average of £100). Flying from Glasgow Intl Airport to Lisbon in August is currently the most expensive (average of £186). 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.

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 19 November 2025.

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 66% on your trip compared to booking a flight in the morning.

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 19 November 2025.
Check out reviews from past customers who have flown with KLM, easyJet, andRyanair 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.
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
easyJet
6.9
Okay
1,846 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Ryanair
6.8
Okay
5,195 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,530 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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?

    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 4 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.

  • How long is the flight from Glasgow Intl Airport to Lisbon?

    Departing from Glasgow Intl Airport to Lisbon will take you 9h 30m. There are 1200 mi between Glasgow Intl Airport and Lisbon.

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

    According to our current data, easyJet (£118), Ryanair (£120), and KLM (£137) offers the cheapest pricing from Glasgow Intl Airport to Lisbon. easyJet is priced at 50% lower than the current average price of a flight leaving 3 months from now.

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

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

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

    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.

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

    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.

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

    Currently, December is the cheapest month in which you can book a flight from Glasgow Intl Airport to Lisbon (average of £100). Flying from Glasgow Intl Airport to Lisbon in August is currently the most expensive (average of £186). 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.

See more FAQs

Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Madeira
Setúbal
Oeiras
Fátima
Estoril
Almada
Beja
Sintra
Costa da Caparica
Óbidos
Nazaré
Sesimbra
Peniche

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Top 4 airlines flying from Glasgow Intl to Lisbon

Discover the top 4 airlines that operate flights from Glasgow Intl to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 November 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£118Average£195FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£120Average£170FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
KLMCheapest£137Average£251FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£185Average£311FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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!

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

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.

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

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.

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

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!

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