Cheap flights from Glasgow Intl Airport to Lisbon from £72

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LIS
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Glasgow Intl to Lisbon Humberto Delgado are usually found in December or January, booked 37 days in advance, depart on a Monday or Tuesday and return on a Monday

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 18 September 2025.

Round-trip from

£106

One-way from

£72

Popular in

July

Cheapest in

December

Average price

£203
14/1-7/2
  • 14/1-7/2
  • 2 total stops
  • 28h 00m total
  • Glasgow to Lisbon
Ryanair
  • Ryanair
  • 6/10
  • 1 total stop
  • 11h 20m total
  • Glasgow to Lisbon
Highest demand for flights based on searches. 23% potential increase in price (£50 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Glasgow Intl to Lisbon

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 18 September 2025.

Mon 8/1219:20GLA - LIS
1 stop13h 25mMultiple Airlines
Thu 11/1220:30LIS - GLA
1 stop11h 25mMultiple Airlines
Deal found 16/9£117
Mon 20/1020:10GLA - LIS
1 stop13h 00mMultiple Airlines
Wed 22/1009:40LIS - GLA
1 stop8h 50mMultiple Airlines
Deal found 16/9£125
Tue 14/1007:35GLA - LIS
1 stop13h 35mRyanair
Fri 17/1021:45LIS - GLA
1 stop9h 25mRyanair
Deal found 17/9£128
Fri 31/1008:25GLA - LIS
1 stop12h 00mRyanair
Fri 7/1120:50LIS - GLA
1 stop10h 05mRyanair
Deal found 16/9£135
Fri 17/1022:45GLA - LIS
1 stop13h 45mRyanair
Wed 22/1009:40LIS - GLA
1 stop8h 50mRyanair
Deal found 16/9£136
Thu 16/1008:10GLA - LIS
1 stop9h 40mRyanair
Thu 23/1018:15LIS - GLA
1 stop13h 15mRyanair
Deal found 16/9£138
Fri 17/1020:50GLA - LIS
2 stops34h 00mMultiple Airlines
Wed 22/1016:30LIS - GLA
1 stop15h 15mMultiple Airlines
Deal found 16/9£153
Sat 1/1121:20GLA - LIS
2 stops22h 55mMultiple Airlines
Sat 8/1109:10LIS - GLA
2 stops21h 45mMultiple Airlines
Deal found 17/9£155

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 18 September 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

Tue 13/1

07:00-12:05

1 stop29h 05m

Lisbon Humberto Delgado

Wed 4/2

17:40-08:45

1 stop15h 05m

£111

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Mon 8/12

19:20-08:45

1 stop13h 25m

Lisbon Humberto Delgado

Thu 11/12

20:30-07:55

1 stop11h 25m

£117

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Thu 26/2

09:20-18:10

1 stop8h 50m

Lisbon Humberto Delgado

Thu 5/3

07:00-14:45

1 stop7h 45m

£128

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Fri 31/10

08:25-20:25

1 stop12h 00m

Lisbon Humberto Delgado

Fri 7/11

20:50-06:55

1 stop10h 05m

£135

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Thu 15/1

07:00-22:45

1 stop15h 45m

Lisbon Humberto Delgado

Thu 5/2

07:00-14:45

1 stop7h 45m

£136

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Thu 16/10

08:10-17:50

1 stop9h 40m

Lisbon Humberto Delgado

Thu 23/10

18:15-07:30

1 stop13h 15m

£138

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Sun 25/1

10:10-19:20

1 stop9h 10m

Lisbon Humberto Delgado

Sun 1/2

13:40-20:50

1 stop7h 10m

£140

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Mon 20/10

21:50-20:35

2 stops22h 45m

Lisbon Humberto Delgado

Wed 22/10

16:30-07:45

1 stop15h 15m

£145

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Sat 17/1

06:00-12:05

1 stop6h 05m

Lisbon Humberto Delgado

Thu 5/2

10:50-19:40

1 stop8h 50m

£155

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Tue 7/10

07:05-18:25

1 stop11h 20m

£72

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 17 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 12 September 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, 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.

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 18 September 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 45% 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 18 September 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.

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 8h 50m. 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, easyJet (£114), Ryanair (£116), and KLM (£132) offers the cheapest pricing from Glasgow Intl Airport to Lisbon. easyJet is priced at 49% 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, 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.

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
Almada
Estoril
Beja
Sintra
Costa da Caparica
Óbidos
Nazaré
Sesimbra
Peniche

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.

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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£114Average£195FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£116Average£171FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
KLMCheapest£132Average£239FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£180Average£310FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.