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Cheap flights from Glasgow Intl Airport to Portugal from £33

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LIS
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Glasgow Intl to Portugal

Enter your travel dates to find the best prices.

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 27 November 2025.

Tue 9/1207:00GLA - FAO
Nonstop3h 20measyJet
Sat 13/1209:50FAO - GLA
Nonstop3h 20measyJet
Deal found 25/11£75
Tue 23/1209:35GLA - FAO
Nonstop3h 25mJet2
Tue 30/1213:55FAO - GLA
Nonstop3h 25mJet2
Deal found 25/11£91
Sun 14/1220:50GLA - LIS
1 stop24h 15mRyanair
Wed 17/1220:35LIS - GLA
1 stop13h 30mRyanair
Deal found 25/11£105
Mon 1/1223:35GLA - FAO
1 stop10h 15mRyanair
Fri 5/1214:20FAO - GLA
1 stop8h 15mRyanair
Deal found 26/11£106
Mon 8/1212:10GLA - FNC
Nonstop4h 05mMultiple Airlines
Tue 16/1211:10FNC - GLA
1 stop8h 55mMultiple Airlines
Deal found 24/11£111
Fri 12/1223:00GLA - FNC
1 stop15h 35mRyanair
Mon 15/1215:25FNC - GLA
1 stop7h 45mRyanair
Deal found 25/11£113
Tue 2/1207:00GLA - OPO
1 stop8h 25mMultiple Airlines
Sun 14/1207:55OPO - GLA
1 stop7h 55mMultiple Airlines
Deal found 24/11£117
Fri 12/1221:15GLA - FNC
1 stop21h 35measyJet
Tue 16/1218:30FNC - GLA
1 stop16h 40measyJet
Deal found 25/11£121
Mon 8/1212:10GLA - FNC
Nonstop4h 05mMultiple Airlines
Sun 14/1206:35FNC - GLA
2 stops40h 35mMultiple Airlines
Deal found 26/11£126
Tue 23/1208:20GLA - FAO
2 stops11h 55mMultiple Airlines
Tue 30/1213:55FAO - GLA
Nonstop3h 25mMultiple Airlines
Deal found 25/11£130
Wed 3/1220:55GLA - OPO
1 stop16h 45mMultiple Airlines
Sun 14/1207:55OPO - GLA
1 stop24h 00mMultiple Airlines
Deal found 24/11£136
Wed 3/1207:45GLA - OPO
2 stops9h 45mRyanair
Sun 14/1206:00OPO - GLA
2 stops13h 55mRyanair
Deal found 24/11£136

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 27 November 2025.

Round-trip from

£40

One-way from

£33

Popular in

July

Cheapest in

December

Average price

£128

Good round-trip deal

£95 or less

Good one-way deal

£51 or less
easyJet
  • easyJet
  • 1/1-31/1
  • Nonstop
  • 6h 40m total
  • Glasgow to Portugal
Search Deals
Jet2
  • Jet2
  • 4/1
  • Nonstop
  • 3h 25m total
  • Glasgow to Portugal
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Glasgow Intl to Portugal.
Search Deals
Price to beat on a one-way flight from Glasgow Intl to Portugal.
Search Deals

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 27 November 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

Thu 1/1

07:10-10:30

Nonstop3h 20m

Faro

Sat 31/1

09:50-13:10

Nonstop3h 20m

£40

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Tue 20/1

07:00-10:20

Nonstop3h 20m

Faro

Sat 24/1

11:20-07:55

1 stop20h 35m

£69

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Tue 9/12

07:00-10:20

Nonstop3h 20m

Faro

Sat 13/12

09:50-13:10

Nonstop3h 20m

£75

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Fri 9/1

07:05-14:25

1 stop7h 20m

Faro

Fri 16/1

11:05-09:00

1 stop21h 55m

£83

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Sat 10/1

22:30-08:55

1 stop10h 25m

Lisbon Humberto Delgado

Sat 17/1

21:45-06:55

1 stop9h 10m

£86

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Thu 8/1

07:05-09:20

1 stop26h 15m

Porto

Thu 15/1

13:10-20:05

1 stop6h 55m

£86

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Sat 14/3

06:00-09:20

Nonstop3h 20m

Faro

Sat 21/3

09:50-13:10

Nonstop3h 20m

£87

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Fri 9/1

07:00-16:50

1 stop9h 50m

Lisbon Humberto Delgado

Fri 16/1

18:25-12:15

1 stop17h 50m

£90

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Fri 30/1

20:35-10:25

1 stop13h 50m

Faro

Fri 13/2

20:25-09:00

1 stop12h 35m

£90

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Thu 8/1

07:15-16:45

1 stop9h 30m

Lisbon Humberto Delgado

Thu 15/1

17:05-08:00

1 stop14h 55m

£92

Flights are sorted by cheapest return flights first.

Deals found on 26/11

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, December is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portugal (average of £23). Flying from Glasgow Intl Airport to Portugal in June is currently the most expensive (average of £139). 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 27 November 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 25 November 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 27 November 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.
Jet2
8.3
Very Good
177 reviews
Check prices

Overall

8.3

Entertainment

6.2

Boarding

8.1

Crew

8.8

Comfort

7.7

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
Jet2
8.3
Very Good
177 reviews
Jet2
8.3
Very Good
177 reviews
Check prices

Overall

8.3

Entertainment

6.2

Boarding

8.1

Crew

8.8

Comfort

7.7

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
KLM
7.7
Good
1,423 reviews
Jet2
8.3
Very Good
177 reviews
Check prices

Overall

8.3

Entertainment

6.2

Boarding

8.1

Crew

8.8

Comfort

7.7

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
easyJet
6.9
Okay
1,848 reviews
Jet2
8.3
Very Good
177 reviews
Check prices

Overall

8.3

Entertainment

6.2

Boarding

8.1

Crew

8.8

Comfort

7.7

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
Ryanair
6.8
Okay
5,206 reviews
Jet2
8.3
Very Good
177 reviews
Check prices

Overall

8.3

Entertainment

6.2

Boarding

8.1

Crew

8.8

Comfort

7.7

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
British Airways
6.7
Okay
7,539 reviews
Jet2
8.3
Very Good
177 reviews
Check prices

Overall

8.3

Entertainment

6.2

Boarding

8.1

Crew

8.8

Comfort

7.7

Food

7.3

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 cheapest airlines to fly from Glasgow Intl Airport to Portugal one-way?

    £33 is the cheapest one-way deal found within the past few days, from Jet2. You may also be able to find cheap deals on easyJet and Ryanair, with prices starting from £47 and £50, respectively.

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

    Most travelers choose Glasgow Intl - Faro, Glasgow Intl - Lisbon Humberto Delgado or Glasgow Intl - Funchal Madeira when deciding on the best route 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, December is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portugal (average of £23). Flying from Glasgow Intl Airport to Portugal in June is currently the most expensive (average of £139). 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

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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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£72Average£201FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£81Average£169FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Jet2Cheapest£128Average£340FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
KLMCheapest£136Average£275FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£170Average£260FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£184Average£312FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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How does Cheapflights help users find flights from Glasgow Intl to Portugal?

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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.

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