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Cheap flights from Glasgow Intl Airport to Portugal from £31

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LIS
29 Mar — 5 Apr1
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 27 February 2026.

Mon 4/519:40
GLA
-
FAO
Nonstop3h 20m
easyJet
Fri 8/507:00
FAO
-
GLA
Nonstop3h 20m
easyJet
Deal found 25/2£46
Mon 4/519:40
GLA
-
FAO
Nonstop3h 20m
easyJet
Thu 14/520:20
FAO
-
GLA
Nonstop3h 15m
easyJet
Deal found 25/2£58
Fri 8/519:25
GLA
-
FAO
Nonstop3h 20m
easyJet
Fri 15/507:00
FAO
-
GLA
Nonstop3h 20m
easyJet
Deal found 25/2£59
Mon 4/519:40
GLA
-
FAO
Nonstop3h 20m
easyJet
Sun 10/506:20
FAO
-
GLA
Nonstop3h 20m
easyJet
Deal found 25/2£64
Mon 4/519:40
GLA
-
FAO
Nonstop3h 20m
easyJet
Wed 13/520:15
FAO
-
GLA
Nonstop3h 15m
easyJet
Deal found 25/2£66
Wed 6/516:20
GLA
-
FAO
Nonstop3h 20m
easyJet
Thu 14/520:20
FAO
-
GLA
Nonstop3h 15m
easyJet
Deal found 25/2£70
Thu 7/516:20
GLA
-
FAO
Nonstop3h 20m
easyJet
Fri 8/507:00
FAO
-
GLA
Nonstop3h 20m
easyJet
Deal found 25/2£73
Wed 6/516:20
GLA
-
FAO
Nonstop3h 20m
easyJet
Sun 10/506:20
FAO
-
GLA
Nonstop3h 20m
easyJet
Deal found 25/2£75
Sun 19/406:20
GLA
-
LIS
Nonstop3h 10m
Multiple Airlines
Thu 23/405:55
LIS
-
GLA
1 stop12h 40m
Multiple Airlines
Deal found 24/2£85
Sun 19/406:20
GLA
-
LIS
Nonstop3h 10m
Multiple Airlines
Fri 24/421:40
LIS
-
GLA
1 stop11h 20m
Multiple Airlines
Deal found 25/2£87
Mon 2/312:10
GLA
-
FNC
Nonstop4h 05m
Jet2
Mon 9/317:15
FNC
-
GLA
Nonstop4h 10m
Jet2
Deal found 25/2£88
Mon 9/312:10
GLA
-
FNC
Nonstop4h 05m
Jet2
Mon 16/317:15
FNC
-
GLA
Nonstop4h 10m
Jet2
Deal found 24/2£96

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 27 February 2026.

Round-trip from

£46

One-way from

£31

Popular in

July

Cheapest in

December

Average price

£102

Good round-trip deal

£145 or less

Good one-way deal

£56 or less
easyJet
  • easyJet
  • 4/5-8/5
  • Nonstop
  • 6h 40m total
  • Glasgow to Portugal
Search Deals
easyJet
  • easyJet
  • 20/4
  • Nonstop
  • 3h 20m total
  • Glasgow to Portugal
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£38 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 February 2026
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 February 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Fri 8/5

19:25-22:45

Nonstop3h 20m

Faro

Fri 15/5

07:00-10:20

Nonstop3h 20m

£60

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Fri 1/5

19:25-22:45

Nonstop3h 20m

Faro

Fri 15/5

07:00-10:20

Nonstop3h 20m

£83

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Mon 18/5

19:40-23:00

Nonstop3h 20m

Faro

Thu 21/5

20:20-23:35

Nonstop3h 15m

£91

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Mon 4/5

19:40-23:00

Nonstop3h 20m

Faro

Mon 11/5

15:35-18:55

Nonstop3h 20m

£107

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Tue 14/4

09:10-21:00

2 stops11h 50m

Porto

Wed 22/4

06:20-20:45

2 stops14h 25m

£110

GlasgowFunchal

GLA - FNC

GLAFNC

Glasgow Intl

Mon 9/3

14:35-23:20

1 stop8h 45m

Funchal Madeira

Mon 16/3

17:15-21:25

Nonstop4h 10m

£114

GlasgowFunchal

GLA - FNC

GLAFNC

Glasgow Intl

Wed 18/3

07:45-13:50

1 stop6h 05m

Funchal Madeira

Wed 25/3

06:00-20:20

1 stop14h 20m

£123

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Sun 12/4

19:50-09:55

1 stop14h 05m

Lisbon Humberto Delgado

Fri 17/4

21:40-09:20

1 stop11h 40m

£128

GlasgowFunchal

GLA - FNC

GLAFNC

Glasgow Intl

Fri 17/4

21:15-14:10

1 stop16h 55m

Funchal Madeira

Thu 23/4

06:05-14:55

1 stop8h 50m

£134

GlasgowFunchal

GLA - FNC

GLAFNC

Glasgow Intl

Wed 18/3

07:45-13:50

1 stop6h 05m

Funchal Madeira

Wed 25/3

06:00-16:00

1 stop10h 00m

£142

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 60 resultsSorted by cheapest first
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3
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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 £16). Flying from Glasgow Intl Airport to Portugal in June is currently the most expensive (average of £142). 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 February 2026.

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 62% versus a flight at midday.

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 February 2026.
Get a feel of what it's like to fly with Jet2, KLM, andRyanair 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
8.2
Very Good
182 reviews
Check prices

Boarding

8.1

Crew

8.7

Entertainment

6.2

Overall

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
Jet2
8.2
Very Good
182 reviews
Jet2
8.2
Very Good
182 reviews
Check prices

Boarding

8.1

Crew

8.7

Entertainment

6.2

Overall

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
KLM
7.7
Good
1,461 reviews
Jet2
8.2
Very Good
182 reviews
Check prices

Boarding

8.1

Crew

8.7

Entertainment

6.2

Overall

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
Ryanair
6.9
Okay
5,285 reviews
Jet2
8.2
Very Good
182 reviews
Check prices

Boarding

8.1

Crew

8.7

Entertainment

6.2

Overall

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
easyJet
6.9
Okay
1,877 reviews
Jet2
8.2
Very Good
182 reviews
Check prices

Boarding

8.1

Crew

8.7

Entertainment

6.2

Overall

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
British Airways
6.7
Okay
7,772 reviews
Jet2
8.2
Very Good
182 reviews
Check prices

Boarding

8.1

Crew

8.7

Entertainment

6.2

Overall

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.

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 £35, 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.

  • What are the cheapest flights from Glasgow Intl Airport to Portugal?

    On average you can expect to pay £175 for a flight from Glasgow Intl Airport to Portugal. The cheapest flight overall is £119 while the most popular route, (Glasgow Intl - Faro) is currently priced at £63.

  • 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 £16). Flying from Glasgow Intl Airport to Portugal in June is currently the most expensive (average of £142). 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 27 February 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£56Average£170FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£68Average£203FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Jet2Cheapest£104Average£324FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
KLMCheapest£159Average£286FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£170Average£230FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£180Average£246FlexibilityNo 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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