Cheap flights from Glasgow Intl Airport to Portugal from £16

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LIS
31 Aug — 7 Sep1
1 adult

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 26 August 2025.

Round-trip from

£90

One-way from

£16

Popular in

June

Cheapest in

January

Average price

£159

Good round-trip deal

£130 or less

Good one-way deal

£39 or less
easyJet
  • easyJet
  • 25/11-2/12
  • 1 total stop
  • 12h 30m total
  • Glasgow to Portugal
easyJet
  • easyJet
  • 9/12
  • Nonstop
  • 3h 20m total
  • Glasgow to Portugal
Highest demand for flights based on searches. 30% potential increase in price (£56 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Glasgow Intl to Portugal.
Price to beat on a one-way flight from Glasgow Intl to Portugal.

Find flight deals from Glasgow Intl to Portugal

Cheapest flights from Glasgow Intl to Portugal
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 26 August 2025.

Tue 25/1107:00GLA - FAO
Nonstop3h 20measyJet
Tue 2/1210:55FAO - GLA
1 stop9h 10measyJet
Deal found 25/8£90
Sun 19/1007:25GLA - FAO
1 stop12h 20measyJet
Wed 22/1007:00FAO - GLA
1 stop11h 20measyJet
Deal found 24/8£92
Tue 25/1107:00GLA - FAO
Nonstop3h 20measyJet
Wed 26/1110:45FAO - GLA
1 stop9h 20measyJet
Deal found 24/8£93
Thu 6/1107:10GLA - FAO
Nonstop3h 20mMultiple Airlines
Tue 11/1120:45FAO - GLA
1 stop13h 40mMultiple Airlines
Deal found 24/8£94
Thu 6/1107:10GLA - FAO
Nonstop3h 20mMultiple Airlines
Thu 13/1120:45FAO - GLA
1 stop13h 40mMultiple Airlines
Deal found 24/8£95
Fri 24/1006:30GLA - OPO
Nonstop2h 45mMultiple Airlines
Tue 28/1014:45OPO - GLA
1 stop17h 35mMultiple Airlines
Deal found 25/8£96
Thu 4/916:30GLA - FAO
Nonstop3h 15measyJet
Sun 7/906:20FAO - GLA
Nonstop3h 20measyJet
Deal found 25/8£96
Thu 6/1107:10GLA - FAO
Nonstop3h 20measyJet
Wed 12/1110:45FAO - GLA
1 stop9h 20measyJet
Deal found 24/8£97
Thu 6/1107:10GLA - FAO
Nonstop3h 20mMultiple Airlines
Sat 15/1120:45FAO - GLA
1 stop11h 10mMultiple Airlines
Deal found 24/8£98
Thu 6/1107:10GLA - FAO
Nonstop3h 20measyJet
Sat 15/1109:50FAO - GLA
Nonstop3h 20measyJet
Deal found 24/8£100
Tue 25/1107:00GLA - FAO
Nonstop3h 20measyJet
Mon 1/1219:30FAO - GLA
1 stop12h 45measyJet
Deal found 25/8£101
Fri 29/816:45GLA - FAO
Nonstop3h 15measyJet
Wed 3/920:10FAO - GLA
Nonstop3h 15measyJet
Deal found 25/8£102

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 26 August 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

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Tue 25/11

07:00-10:20

Nonstop3h 20m

Faro

Tue 2/12

10:55-20:05

1 stop9h 10m

£90

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Sun 19/10

07:25-19:45

1 stop12h 20m

Faro

Wed 22/10

07:00-18:20

1 stop11h 20m

£92

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Tue 25/11

07:00-10:20

Nonstop3h 20m

Faro

Sun 30/11

20:45-10:40

1 stop13h 55m

£93

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Sun 19/10

07:25-19:45

1 stop12h 20m

Faro

Tue 21/10

06:20-21:10

1 stop14h 50m

£93

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Tue 25/11

07:00-10:20

Nonstop3h 20m

Faro

Wed 26/11

10:45-20:05

1 stop9h 20m

£93

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Thu 6/11

07:10-10:30

Nonstop3h 20m

Faro

Tue 11/11

20:45-10:25

1 stop13h 40m

£94

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Thu 6/11

07:10-10:30

Nonstop3h 20m

Faro

Thu 13/11

20:45-10:25

1 stop13h 40m

£95

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 24/10

06:30-09:15

Nonstop2h 45m

Porto

Tue 28/10

14:45-08:20

1 stop17h 35m

£96

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Tue 25/11

07:00-10:20

Nonstop3h 20m

Faro

Sat 29/11

20:45-07:55

1 stop11h 10m

£96

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Thu 6/11

07:10-10:30

Nonstop3h 20m

Faro

Wed 12/11

10:45-20:05

1 stop9h 20m

£97

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 60 results
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6

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, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portugal (average of £101). Flying from Glasgow Intl Airport to Portugal 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 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 26 August 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 at midday, which can drop the price by up to 15% versus a flight in the morning.

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 24 August 2025.

Travellers seeking maximum savings on their Glasgow Intl Airport to Portugal flight should consider departing on Sunday at midday when fares are most often at their lowest. Tuesday afternoons 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 26 August 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.

Food

7.3

Comfort

7.8

Crew

8.8

Boarding

8.2

Entertainment

6.3

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
8.3
Very Good

Food

7.3

Comfort

7.8

Crew

8.8

Boarding

8.2

Entertainment

6.3

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Food

7.3

Comfort

7.8

Crew

8.8

Boarding

8.2

Entertainment

6.3

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Food

7.3

Comfort

7.8

Crew

8.8

Boarding

8.2

Entertainment

6.3

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Food

7.3

Comfort

7.8

Crew

8.8

Boarding

8.2

Entertainment

6.3

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Food

7.3

Comfort

7.8

Crew

8.8

Boarding

8.2

Entertainment

6.3

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

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.
  • How long is the flight from Glasgow Intl Airport to Portugal?

    Departing from Glasgow Intl Airport to Portugal will take you 3h 20m. The distance from Glasgow Intl Airport to Portugal is about 1312 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Glasgow Intl Airport to Portugal?

  • Can I find deals for flights from Glasgow Intl to Portugal that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to Portugal flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to Portugal.

  • Can I find deals for business class flights from Glasgow Intl to Portugal?

    Yes. Cheapflights offers flight deals from Glasgow Intl to Portugal 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 Portugal?

    Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portugal (average of £101). Flying from Glasgow Intl Airport to Portugal 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

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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 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£77Average£209FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£84Average£163FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Jet2Cheapest£119Average£338FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
KLMCheapest£133Average£259FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£166Average£304FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£183Average£279FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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.

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