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Cheap flights from Glasgow Intl Airport to Lisbon from £25

GLA — LIS
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow Intl to Lisbon

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow Intl to Lisbon

Sat 5/1217:45 -
Nonstop3h 15m
Sat 12/1213:55 -
Nonstop3h 10m
Deal found 7/11£63
Sat 5/1217:45 -
Nonstop3h 15m
Wed 9/1213:30 -
Nonstop3h 10m
Deal found 4/11£65
Sat 5/1217:45 -
Nonstop3h 15m
Sat 12/1213:55 -
Nonstop3h 10m
Deal found 7/11£67
Wed 18/1112:25 -
Nonstop3h 15m
Wed 16/1213:30 -
Nonstop3h 10m
Deal found 6/11£72
Wed 2/1217:15 -
Nonstop3h 15m
Wed 9/1213:30 -
Nonstop3h 10m
Deal found 4/11£73

Find flight deals from Glasgow Intl to Lisbon

Round-trip from

£63

One-way from

£25

Popular in

September

Cheapest in

November

Average price

£177

Good round-trip deal

£139 or less

Good one-way deal

£27 or less
easyJet
  • easyJet
  • 5/12-12/12
  • Nonstop
  • 6h 25m total
  • Glasgow to Lisbon
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easyJet
  • easyJet
  • 5/12-31/12
  • Nonstop
  • 3h 15m total
  • Glasgow to Lisbon
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£11 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Glasgow Intl to Lisbon Humberto Delgado.
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Price to beat on a one-way flight from Glasgow Intl to Lisbon Humberto Delgado.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sat 5/12

17:45-21:00

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£35

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sat 28/11

17:45-21:00

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£38

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Wed 2/12

17:15-20:30

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£39

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Wed 16/12

17:15-20:30

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£40

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sat 12/12

17:45-21:00

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£40

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Wed 18/11

12:25-15:40

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£41

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Mon 14/12

07:15-17:40

1 stop10h 25m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£43

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sat 14/11

17:45-21:00

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£47

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sun 20/12

06:15-20:30

1 stop14h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sat 5/12

17:45-21:00

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 9/12

13:30-16:40

Nonstop3h 10m

£65

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 19 resultsSorted by cheapest first
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

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?

The best time to book flights from Glasgow Intl Airport to Lisbon is 48 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, November is the cheapest month in which you can book a flight from Glasgow Intl Airport to Lisbon (average of £177). Flying from Glasgow Intl Airport to Lisbon in September is currently the most expensive (average of £284). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow Intl Airport to Lisbon as you normally would.

How much does it cost for a return flight from Glasgow Intl Airport to Lisbon?

Airfare is below average for this route at the moment.

Glasgow Intl Airport to Lisbon flights typically cost between £113 and £225 in December.
The cheapest return price found within the last 5 days was £63 on easyJet (5 Dec–12 Dec).

Reviews of airlines servicing Lisbon

Check out reviews from past customers who have flown with KLM,easyJet, andBritish Airways 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
7.8
Good
1,595 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,595 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
easyJet
6.9
Okay
1,917 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
8,287 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

  • 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 3 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 3h 15m. There are 1200 mi between Glasgow Intl Airport and Lisbon. All flights are typically direct.

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

    According to our current data, easyJet (£100), British Airways (£182), and KLM (£203) offers the cheapest pricing from Glasgow Intl Airport to Lisbon. easyJet is priced at 54% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Glasgow Intl Airport to Lisbon?

    While on average a flight from Glasgow Intl Airport to Lisbon is generally £99, our data shows the cheapest flight currently is £27. When looking at the most popular route, (Glasgow Intl - Lisbon Humberto Delgado), you can expect to pay £66 for that flight.

  • 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, November is the cheapest month in which you can book a flight from Glasgow Intl Airport to Lisbon (average of £177). Flying from Glasgow Intl Airport to Lisbon in September is currently the most expensive (average of £284). 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
Nazaré
Fátima
Evora
Madeira
Oeiras
Óbidos
Almada
Setúbal
Tomar
Figueira da Foz
Estoril
Costa da Caparica

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Glasgow Intl to Lisbon

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£100Average£211FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£182Average£239FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£203Average£291FlexibilityNo cancel feeOn-time75%
Search KLM flights

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

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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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