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Cheap flights from Glasgow Intl Airport to Portugal from £23
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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LIS
22 Nov — 29 Nov1
Find flight deals from Glasgow Intl to Portugal
Cheapest flights from Glasgow Intl to PortugalExplore the most affordable flight options available from Glasgow Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 October 2025.
Explore the most affordable flight options available from Glasgow Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 October 2025.
Tue 9/1220:40GLA - LIS
1 stop13h 45measyJet
Fri 12/1217:50LIS - GLA
1 stop15h 10measyJet
Deal found 21/10£73
Thu 4/1218:50GLA - FAO
1 stop14h 10measyJet
Sat 20/1210:00FAO - GLA
1 stop9h 00measyJet
Deal found 22/10£76
Sat 6/1220:40GLA - LIS
1 stop13h 35measyJet
Sat 13/1216:20LIS - GLA
1 stop16h 00measyJet
Deal found 22/10£78
Thu 4/1207:10GLA - FAO
Nonstop3h 20mMultiple Airlines
Sat 20/1218:45FAO - GLA
1 stop13h 10mMultiple Airlines
Deal found 22/10£79
Thu 4/1218:50GLA - FAO
1 stop14h 10measyJet
Thu 11/1211:15FAO - GLA
1 stop8h 50measyJet
Deal found 21/10£79
Sat 6/1206:00GLA - FAO
Nonstop3h 20mMultiple Airlines
Sat 13/1218:45FAO - GLA
1 stop13h 10mMultiple Airlines
Deal found 22/10£82
Fri 5/1220:35GLA - LIS
1 stop16h 05measyJet
Fri 12/1217:50LIS - GLA
1 stop15h 10measyJet
Deal found 21/10£91
Tue 30/1220:50GLA - FAO
1 stop12h 30measyJet
Tue 13/110:50FAO - GLA
Nonstop3h 15measyJet
Deal found 21/10£92
Fri 5/1220:50GLA - FNC
1 stop21h 30measyJet
Fri 12/1218:30FNC - GLA
1 stop14h 30measyJet
Deal found 21/10£95
Tue 18/1109:35GLA - FAO
Nonstop3h 25mMultiple Airlines
Sat 22/1118:45FAO - GLA
1 stop13h 10mMultiple Airlines
Deal found 22/10£95
Tue 11/1109:35GLA - FAO
Nonstop3h 25mMultiple Airlines
Sat 15/1118:45FAO - GLA
1 stop13h 10mMultiple Airlines
Deal found 22/10£96
Sat 6/1219:40GLA - OPO
1 stop24h 55measyJet
Mon 8/1219:40OPO - GLA
1 stop15h 00measyJet
Deal found 22/10£98
Cheap flight deals from Glasgow Intl to Portugal
Keep the following information in mind while searching for Glasgow Intl to Portugal flight deals. Data was last updated 23 October 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Glasgow Intl to Portugal 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 23 October 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Portugal that are best for you.
Fly from
Glasgow Intl
Fly to
Portugal
Route
Depart
Return
Price
GlasgowLisbon
GLA - LIS
GLALIS
Glasgow Intl
Tue 9/12
20:40-10:25
1 stop13h 45m
Lisbon Humberto Delgado
Fri 12/12
17:50-09:00
1 stop15h 10m
£73
GlasgowFaro
GLA - FAO
GLAFAO
Glasgow Intl
Tue 20/1
08:50-09:20
1 stop24h 30m
Faro
Sat 24/1
09:50-13:10
Nonstop3h 20m
£73
GlasgowLisbon
GLA - LIS
GLALIS
Glasgow Intl
Sat 6/12
20:40-10:15
1 stop13h 35m
Lisbon Humberto Delgado
Sat 13/12
16:20-08:20
1 stop16h 00m
£78
GlasgowFaro
GLA - FAO
GLAFAO
Glasgow Intl
Mon 15/12
20:45-09:10
1 stop12h 25m
Faro
Thu 15/1
11:20-10:15
1 stop22h 55m
£79
GlasgowFaro
GLA - FAO
GLAFAO
Glasgow Intl
Thu 4/12
18:50-09:00
1 stop14h 10m
Faro
Thu 11/12
11:15-20:05
1 stop8h 50m
£79
GlasgowLisbon
GLA - LIS
GLALIS
Glasgow Intl
Fri 5/12
20:35-12:40
1 stop16h 05m
Lisbon Humberto Delgado
Fri 12/12
17:50-09:00
1 stop15h 10m
£91
GlasgowFaro
GLA - FAO
GLAFAO
Glasgow Intl
Tue 30/12
20:50-09:20
1 stop12h 30m
Faro
Tue 13/1
10:50-14:05
Nonstop3h 15m
£92
GlasgowFunchal
GLA - FNC
GLAFNC
Glasgow Intl
Fri 5/12
20:50-18:20
1 stop21h 30m
Funchal Madeira
Fri 12/12
18:30-09:00
1 stop14h 30m
£95
GlasgowFaro
GLA - FAO
GLAFAO
Glasgow Intl
Tue 11/11
09:35-13:00
Nonstop3h 25m
Faro
Sat 15/11
18:45-07:55
1 stop13h 10m
£96
GlasgowPorto
GLA - OPO
GLAOPO
Glasgow Intl
Sat 6/12
19:40-20:35
1 stop24h 55m
Porto
Mon 8/12
19:40-10:40
1 stop15h 00m
£98
Showing 1-10 of 60 results
Best time to book a flight from Glasgow Intl to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal
What is the cheapest month to book a flight from Glasgow Intl Airport to Portugal?
Currently, December is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portugal (average of £22). Flying from Glasgow Intl Airport to Portugal in June is currently the most expensive (average of £138). 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 PT?
Find hourly flight availability from Glasgow Intl to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 October 2025.
When flying from Glasgow Intl Airport to Portugal, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 46% versus a flight at midday.
What is the cheapest day to fly from Glasgow Intl Airport to Portugal?
Use this chart to determine the cheapest time to fly return from Glasgow Intl to Portugal. Price data was last updated on 19 October 2025.
Travellers seeking maximum savings on their Glasgow Intl Airport to Portugal flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 23 October 2025.
Get a feel of what it's like to fly with Jet2, KLM, andeasyJet from Glasgow Intl Airport to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.2
Food
7.3
Boarding
8.2
Comfort
7.7
Overall
8.3
Crew
8.8
Reviews
1 / 16
8.0
ExcellentAnonymous,Mar 2025
GVA - LBA
Entertainment
6.2
Food
7.3
Boarding
8.2
Comfort
7.7
Overall
8.3
Crew
8.8
Reviews
1 / 16
8.0
ExcellentAnonymous,Mar 2025
GVA - LBA
Entertainment
6.2
Food
7.3
Boarding
8.2
Comfort
7.7
Overall
8.3
Crew
8.8
Reviews
1 / 16
8.0
ExcellentAnonymous,Mar 2025
GVA - LBA
Entertainment
6.2
Food
7.3
Boarding
8.2
Comfort
7.7
Overall
8.3
Crew
8.8
Reviews
1 / 16
8.0
ExcellentAnonymous,Mar 2025
GVA - LBA
Entertainment
6.2
Food
7.3
Boarding
8.2
Comfort
7.7
Overall
8.3
Crew
8.8
Reviews
1 / 16
8.0
ExcellentAnonymous,Mar 2025
GVA - LBA
Entertainment
6.2
Food
7.3
Boarding
8.2
Comfort
7.7
Overall
8.3
Crew
8.8
Reviews
1 / 16
8.0
ExcellentAnonymous,Mar 2025
GVA - LBA
Related info for your journey
Find useful and relevant information for your journey from Glasgow Intl to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Glasgow Intl to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Glasgow Intl to Portugal
Discover the top 6 airlines that operate flights from Glasgow Intl to Portugal. 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 23 October 2025.
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How does Cheapflights help users find flights from Glasgow Intl to Portugal?
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Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Portugal?
Millions of users choose and trust Cheapflights to book the best flight deals from Glasgow Intl to Portugal for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Glasgow Intl to Portugal with no change fees?
Need flexible booking options for your flight to Portugal from Glasgow Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Glasgow Intl to Portugal become cheaper?
Yes, Cheapflights offers price alerts on Glasgow Intl to Portugal flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.