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Cheap flights from Glasgow Intl Airport to Portugal from £29

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
8 1月 — 15 1月1
1 adult
1 adult, Economy, 0 bags

Cheap 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 9 12月 2025.

週一 8/1212:10GLA - FNC
Nonstop4h 05mMultiple Airlines
週一 15/1215:25FNC - GLA
1 stop7h 45mMultiple Airlines
Deal found 7/12£95
週一 8/1212:10GLA - FNC
Nonstop4h 05mJet2
週一 15/1217:15FNC - GLA
Nonstop4h 10mJet2
Deal found 7/12£100
週一 15/1221:05GLA - LIS
1 stop11h 25mMultiple Airlines
週一 22/1221:30LIS - GLA
1 stop10h 30mMultiple Airlines
Deal found 8/12£110
週三 17/1220:45GLA - FAO
1 stop13h 15mRyanair
週三 31/1206:35FAO - GLA
1 stop13h 45mRyanair
Deal found 8/12£119
週日 21/1214:30GLA - FAO
Nonstop3h 25mMultiple Airlines
週三 24/1210:15FAO - GLA
1 stop6h 30mMultiple Airlines
Deal found 8/12£122
週一 22/1212:10GLA - FNC
Nonstop4h 05mJet2
週一 29/1217:15FNC - GLA
Nonstop4h 10mJet2
Deal found 7/12£152
週一 22/1212:10GLA - FNC
Nonstop4h 05mMultiple Airlines
週三 31/1206:00FNC - GLA
1 stop14h 20mMultiple Airlines
Deal found 7/12£167
週日 21/1209:30GLA - FNC
2 stops29h 05mMultiple Airlines
週一 29/1217:15FNC - GLA
Nonstop4h 10mMultiple Airlines
Deal found 7/12£177
週日 21/1209:30GLA - FNC
2 stops29h 05mMultiple Airlines
週三 31/1206:00FNC - GLA
1 stop14h 20mMultiple Airlines
Deal found 7/12£178
週一 8/1214:35GLA - FNC
1 stop8h 45mRyanair
週一 15/1206:10FNC - GLA
2 stops26h 50mRyanair
Deal found 7/12£182
週一 22/1212:10GLA - FNC
Nonstop4h 05mMultiple Airlines
週一 29/1206:00FNC - GLA
2 stops40h 20mMultiple Airlines
Deal found 8/12£183
週一 22/1212:10GLA - FNC
Nonstop4h 05mMultiple Airlines
週六 27/1216:25FNC - GLA
2 stops14h 30mMultiple Airlines
Deal found 7/12£191

Find 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 9 12月 2025.

Round-trip from

£50

One-way from

£29

Popular in

July

Cheapest in

January

Average price

£95

Good round-trip deal

£110 or less

Good one-way deal

£36 or less
easyJet
  • easyJet
  • 24/1-31/1
  • 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. 23% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 9 12月 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

週六 24/1

06:00-09:20

Nonstop3h 20m

Faro

週六 31/1

09:50-13:10

Nonstop3h 20m

£50

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

週二 6/1

20:50-09:20

1 stop12h 30m

Faro

週六 31/1

09:50-13:10

Nonstop3h 20m

£72

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

週三 28/1

20:35-08:40

1 stop12h 05m

Faro

週二 3/2

10:50-14:05

Nonstop3h 15m

£77

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

週二 27/1

07:00-10:20

Nonstop3h 20m

Faro

週二 3/2

10:50-14:05

Nonstop3h 15m

£79

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

週一 12/1

14:35-21:00

1 stop6h 25m

Lisbon Humberto Delgado

週四 15/1

10:25-21:00

1 stop10h 35m

£85

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

週三 28/1

20:35-08:40

1 stop12h 05m

Faro

週六 7/2

09:50-13:10

Nonstop3h 20m

£85

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

週六 7/3

06:00-09:20

Nonstop3h 20m

Faro

週二 10/3

10:50-14:05

Nonstop3h 15m

£85

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

週二 6/1

07:00-10:20

Nonstop3h 20m

Faro

週二 27/1

10:50-14:05

Nonstop3h 15m

£89

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

週三 14/1

20:50-10:45

1 stop13h 55m

Faro

週五 30/1

15:10-09:00

1 stop17h 50m

£89

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

週二 3/3

07:00-10:20

Nonstop3h 20m

Faro

週日 8/3

10:05-20:15

1 stop10h 10m

£92

Flights are sorted by cheapest return flights first.

Deals found on 8/12

Showing 1-10 of 55 results
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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 £17). Flying from Glasgow Intl Airport to Portugal in June is currently the most expensive (average of £136). 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 9 12月 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 6 December 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 9 12月 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
178 reviews
Check prices

Entertainment

6.2

Comfort

7.7

Boarding

8.1

Crew

8.8

Food

7.3

Overall

8.3

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.
Jet2
8.3
Very Good
178 reviews
Jet2
8.3
Very Good
178 reviews
Check prices

Entertainment

6.2

Comfort

7.7

Boarding

8.1

Crew

8.8

Food

7.3

Overall

8.3

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.
KLM
7.7
Good
1,431 reviews
Jet2
8.3
Very Good
178 reviews
Check prices

Entertainment

6.2

Comfort

7.7

Boarding

8.1

Crew

8.8

Food

7.3

Overall

8.3

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.
easyJet
6.9
Okay
1,850 reviews
Jet2
8.3
Very Good
178 reviews
Check prices

Entertainment

6.2

Comfort

7.7

Boarding

8.1

Crew

8.8

Food

7.3

Overall

8.3

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.
Ryanair
6.8
Okay
5,214 reviews
Jet2
8.3
Very Good
178 reviews
Check prices

Entertainment

6.2

Comfort

7.7

Boarding

8.1

Crew

8.8

Food

7.3

Overall

8.3

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.
British Airways
6.7
Okay
7,571 reviews
Jet2
8.3
Very Good
178 reviews
Check prices

Entertainment

6.2

Comfort

7.7

Boarding

8.1

Crew

8.8

Food

7.3

Overall

8.3

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.

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?

    £25 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 Jet2, with prices starting from £27 and £36, respectively.

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

    Most travelers choose Glasgow Intl - Faro, Glasgow Intl - Porto or Glasgow Intl - Lisbon Humberto Delgado 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 £17). Flying from Glasgow Intl Airport to Portugal in June is currently the most expensive (average of £136). 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.
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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 9 12月 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£77Average£197FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£80Average£168FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Jet2Cheapest£127Average£341FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
KLMCheapest£135Average£274FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£168Average£261FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£182Average£303FlexibilityNo 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 Portugal?

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 Portugal from Glasgow Intl today with Cheapflights!

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.

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