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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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LIS
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

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 15 January 2026.

Round-trip from

£84

One-way from

£39

Popular in

June

Cheapest in

January

Average price

£157

Good round-trip deal

£119 or less
Ryanair
  • Ryanair
  • 4/2-7/2
  • 2 total stops
  • 21h 15m total
  • Glasgow to Lisbon
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easyJet
  • easyJet
  • 19/4
  • Nonstop
  • 3h 10m total
  • Glasgow to Lisbon
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Highest demand for flights based on searches. 20% potential increase in price (£45 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Glasgow Intl to Lisbon Humberto Delgado.
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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 15 January 2026.

Wed 4/207:45
GLA
-
LIS
1 stop12h 05m
Ryanair
Sat 7/221:45
LIS
-
GLA
1 stop9h 10m
Ryanair
Deal found 14/1£84
Sat 21/222:30
GLA
-
LIS
1 stop10h 25m
Ryanair
Tue 24/220:55
LIS
-
GLA
1 stop10h 25m
Ryanair
Deal found 14/1£89
Fri 27/206:55
GLA
-
LIS
1 stop10h 45m
easyJet
Fri 6/317:50
LIS
-
GLA
1 stop15h 10m
easyJet
Deal found 13/1£102
Thu 15/110:30
GLA
-
LIS
1 stop9h 35m
Ryanair
Wed 21/115:50
LIS
-
GLA
2 stops14h 55m
Ryanair
Deal found 13/1£104
Tue 3/208:25
GLA
-
LIS
1 stop11h 15m
Ryanair
Fri 6/211:25
LIS
-
GLA
1 stop11h 10m
Ryanair
Deal found 14/1£105
Wed 16/909:25
GLA
-
LIS
Nonstop3h 10m
easyJet
Wed 23/913:10
LIS
-
GLA
Nonstop3h 05m
easyJet
Deal found 14/1£107
Sat 28/222:30
GLA
-
LIS
1 stop10h 25m
Ryanair
Sat 7/321:45
LIS
-
GLA
1 stop9h 10m
Ryanair
Deal found 14/1£109
Fri 6/220:50
GLA
-
LIS
1 stop13h 35m
easyJet
Mon 9/220:20
LIS
-
GLA
1 stop12h 00m
easyJet
Deal found 14/1£112
Mon 9/307:00
GLA
-
LIS
1 stop12h 15m
easyJet
Thu 12/319:50
LIS
-
GLA
1 stop15h 05m
easyJet
Deal found 14/1£114
Wed 20/509:25
GLA
-
LIS
Nonstop3h 10m
easyJet
Wed 27/513:10
LIS
-
GLA
Nonstop3h 05m
easyJet
Deal found 12/1£116
Sun 12/406:20
GLA
-
LIS
Nonstop3h 10m
easyJet
Wed 15/413:10
LIS
-
GLA
Nonstop3h 05m
easyJet
Deal found 14/1£119

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 15 January 2026.
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

Fri 27/2

06:55-17:40

1 stop10h 45m

Lisbon Humberto Delgado

Fri 6/3

17:50-09:00

1 stop15h 10m

£102

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Fri 6/2

20:50-10:25

1 stop13h 35m

Lisbon Humberto Delgado

Mon 9/2

20:20-08:20

1 stop12h 00m

£112

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Mon 9/3

07:00-19:15

1 stop12h 15m

Lisbon Humberto Delgado

Thu 12/3

19:50-10:55

1 stop15h 05m

£114

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Wed 20/5

09:25-12:35

Nonstop3h 10m

Lisbon Humberto Delgado

Wed 27/5

13:10-16:15

Nonstop3h 05m

£116

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Sun 12/4

06:20-09:30

Nonstop3h 10m

Lisbon Humberto Delgado

Wed 15/4

13:10-16:15

Nonstop3h 05m

£119

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Thu 30/4

06:20-13:05

1 stop6h 45m

Lisbon Humberto Delgado

Tue 5/5

18:55-13:00

1 stop18h 05m

£122

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Wed 20/5

09:25-12:35

Nonstop3h 10m

Lisbon Humberto Delgado

Wed 27/5

06:20-15:15

2 stops8h 55m

£142

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Wed 1/4

09:25-12:35

Nonstop3h 10m

Lisbon Humberto Delgado

Wed 15/4

13:10-16:15

Nonstop3h 05m

£143

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Mon 1/6

18:20-23:40

1 stop5h 20m

Lisbon Humberto Delgado

Tue 30/6

07:00-20:40

1 stop13h 40m

£145

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Fri 13/2

23:00-10:10

1 stop11h 10m

Lisbon Humberto Delgado

Mon 16/2

20:30-08:05

1 stop11h 35m

£146

Flights are sorted by cheapest return flights first.

Deals found on 14/1

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 9 January 2026.

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, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Lisbon (average of £92). Flying from Glasgow Intl Airport to Lisbon in December is currently the most expensive (average of £242). 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.

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 15 January 2026.
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
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,440 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Ryanair
6.9
Okay
5,244 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
easyJet
6.9
Okay
1,862 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,680 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 10h 45m. 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, Ryanair (£93), easyJet (£105), and KLM (£134) offers the cheapest pricing from Glasgow Intl Airport to Lisbon. Ryanair is priced at 61% lower than the current average price of a flight leaving 3 months from now.

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

    £41 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on easyJet and KLM, with prices starting from £42 and £78, respectively.

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

    While on average a flight from Glasgow Intl Airport to Lisbon is generally £145, our data shows the cheapest flight currently is £114. When looking at the most popular route, (Glasgow Intl - Lisbon Humberto Delgado), you can expect to pay £84 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, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Lisbon (average of £92). Flying from Glasgow Intl Airport to Lisbon in December is currently the most expensive (average of £242). 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
Óbidos
Almada
Beja
Sintra
Costa da Caparica
Nazaré
Sesimbra
Peniche

Browse thousands of different options on Cheapflights for your next trip

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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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£93Average£164FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£105Average£186FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£134Average£258FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£181Average£299FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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?

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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