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Cheap flights from Glasgow Intl Airport to Lisbon from £24

GLA — LIS
15 Oct — 22 Oct1
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 31/1017:45 -
Nonstop3h 15m
Sat 7/1113:30 -
Nonstop3h 10m
Deal found 14/9£56
Wed 28/1017:15 -
Nonstop3h 15m
Wed 4/1113:30 -
Nonstop3h 10m
Deal found 13/9£74
Sat 31/1007:45 -
1 stop12h 20m
Sat 7/1120:30 -
1 stop10h 25m
Deal found 11/9£79
Sat 31/1017:45 -
Nonstop3h 15m
Sat 7/1120:30 -
1 stop10h 25m
Deal found 10/9£83

Find flight deals from Glasgow Intl to Lisbon

Round-trip from

£56

One-way from

£24

Popular in

September

Cheapest in

April

Average price

£281

Good round-trip deal

£205 or less
easyJet
  • easyJet
  • 31/10-7/11
  • Nonstop
  • 6h 25m total
  • Glasgow to Lisbon
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easyJet
  • easyJet
  • 31/10-31/12
  • Nonstop
  • 3h 15m total
  • Glasgow to Lisbon
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£6 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 September 2026
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Price to beat on a round-trip 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

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sat 31/10

17:45-21:00

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£24

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Wed 18/11

17:15-20:30

Nonstop3h 15m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£24

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sat 17/10

11:10-20:50

1 stop9h 40m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£47

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sat 3/10

15:05-21:00

1 stop5h 55m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£56

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Fri 6/11

07:00-18:10

1 stop11h 10m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£59

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Mon 26/10

22:40-19:40

1 stop21h 00m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60
Fastest return journey

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Sat 24/10

17:20-20:30

Nonstop3h 10m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£73

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Thu 15/10

19:00-10:45

1 stop15h 45m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£81

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Wed 25/11

08:25-23:45

1 stop15h 20m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

GlasgowLisbon

GLA Glasgow Intl - LIS Lisbon Humberto Delgado

GLALIS

Glasgow Intl

Mon 26/10

10:50-07:40

3 stops20h 50m

Lisbon Humberto Delgado

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 21 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Glasgow Intl Airport to Lisbon (average of £180). Flying from Glasgow Intl Airport to Lisbon in September is currently the most expensive (average of £281). 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.

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 £223 and £339 in October.
The cheapest return price found within the last 5 days was £56 on easyJet (31 Oct–7 Nov).

Reviews of airlines servicing Lisbon

Check out reviews from past customers who have flown with KLM,Ryanair, andeasyJet 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
1,580 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
KLM
7.8
Good
1,580 reviews
KLM
7.8
Good
1,580 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
Ryanair
6.9
Okay
5,474 reviews
KLM
7.8
Good
1,580 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
easyJet
6.9
Okay
1,929 reviews
KLM
7.8
Good
1,580 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
British Airways
6.7
Okay
8,220 reviews
KLM
7.8
Good
1,580 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

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 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 7h 25m. There are 1200 mi between Glasgow Intl Airport and Lisbon. This flight may include one or multiple stops.

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

    According to our current data, Ryanair (£90), easyJet (£118), and British Airways (£180) offers the cheapest pricing from Glasgow Intl Airport to Lisbon. Ryanair is priced at 60% 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 £259, our data shows the cheapest flight currently is £99. When looking at the most popular route, (Glasgow Intl - Lisbon Humberto Delgado), you can expect to pay £67 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, April is the cheapest month in which you can book a flight from Glasgow Intl Airport to Lisbon (average of £180). Flying from Glasgow Intl Airport to Lisbon in September is currently the most expensive (average of £281). 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
Fátima
Nazaré
Evora
Madeira
Setúbal
Oeiras
Almada
Óbidos
Tomar
Estoril
Figueira da Foz
Sintra
Costa da Caparica

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Glasgow Intl to Lisbon

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£90Average£139FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£118Average£206FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£180Average£237FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£201Average£281FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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