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Cheap flights from Glasgow Intl Airport to Portugal from £56

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LIS
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£109

One-way from

£56

Popular in

June

Cheapest in

January

Average price

£263

Good round-trip deal

£146 or less

Good one-way deal

£49 or less
easyJet
  • easyJet
  • 14/8-21/8
  • 1 total stop
  • 16h 20m total
  • Glasgow to Portugal
easyJet
  • easyJet
  • 17/7
  • Nonstop
  • 3h 15m total
  • Glasgow to Portugal
Highest demand for flights based on searches. 29% potential increase in price (£54 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 June 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 13 June 2025.

Thu 14/807:00GLA - FAO
1 stop13h 05measyJet
Thu 21/820:15FAO - GLA
Nonstop3h 15measyJet
Deal found 11/6£109
Fri 24/1006:30GLA - OPO
Nonstop2h 45measyJet
Mon 27/1018:35OPO - GLA
1 stop13h 40measyJet
Deal found 12/6£117
Mon 11/816:50GLA - FAO
Nonstop3h 15mMultiple Airlines
Wed 20/821:55FAO - GLA
1 stop15h 25mMultiple Airlines
Deal found 11/6£130
Mon 22/914:20GLA - LIS
1 stop7h 40mRyanair
Fri 26/921:45LIS - GLA
1 stop9h 25mRyanair
Deal found 11/6£132
Fri 5/922:45GLA - FAO
1 stop24h 45mRyanair
Fri 12/921:50FAO - GLA
1 stop25h 35mRyanair
Deal found 11/6£141
Tue 8/718:00GLA - OPO
2 stops28h 15mMultiple Airlines
Fri 11/711:20OPO - GLA
1 stop20h 00mMultiple Airlines
Deal found 11/6£143
Sat 18/1015:35GLA - OPO
1 stop5h 05mRyanair
Tue 21/1022:25OPO - GLA
1 stop9h 35mRyanair
Deal found 11/6£148
Fri 12/922:45GLA - LIS
1 stop22h 10mMultiple Airlines
Mon 15/921:20LIS - GLA
2 stops18h 05mMultiple Airlines
Deal found 12/6£152
Sat 11/1007:00GLA - LIS
1 stop5h 30measyJet
Tue 14/1007:00LIS - GLA
1 stop14h 00measyJet
Deal found 12/6£156
Tue 28/1009:35GLA - FAO
Nonstop3h 25mJet2
Tue 4/1113:55FAO - GLA
Nonstop3h 25mJet2
Deal found 12/6£172
Mon 16/621:50GLA - FNC
2 stops16h 20mMultiple Airlines
Mon 23/606:00FNC - GLA
2 stops40h 10mMultiple Airlines
Deal found 10/6£192
Mon 20/1006:50GLA - FNC
1 stop8h 10measyJet
Wed 22/1011:45FNC - GLA
1 stop9h 20measyJet
Deal found 12/6£200

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 13 June 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 14/8

07:00-20:05

1 stop13h 05m

Faro

Thu 21/8

20:15-23:30

Nonstop3h 15m

£109

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 24/10

06:30-09:15

Nonstop2h 45m

Porto

Mon 27/10

18:35-08:15

1 stop13h 40m

£117

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Mon 11/8

16:50-20:05

Nonstop3h 15m

Faro

Wed 20/8

21:55-13:20

1 stop15h 25m

£130

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Mon 22/9

14:20-22:00

1 stop7h 40m

Lisbon Humberto Delgado

Fri 26/9

21:45-07:10

1 stop9h 25m

£132

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Fri 5/9

22:45-23:30

1 stop24h 45m

Faro

Fri 12/9

21:50-23:25

1 stop25h 35m

£141

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Tue 8/7

18:00-22:15

2 stops28h 15m

Porto

Fri 11/7

11:20-07:20

1 stop20h 00m

£143

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Sat 18/10

15:35-20:40

1 stop5h 05m

Porto

Tue 21/10

22:25-08:00

1 stop9h 35m

£148

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Fri 12/9

22:45-20:55

1 stop22h 10m

Lisbon Humberto Delgado

Mon 15/9

21:20-15:25

2 stops18h 05m

£152

GlasgowLisbon

GLA - LIS

GLALIS

Glasgow Intl

Sat 11/10

07:00-12:30

1 stop5h 30m

Lisbon Humberto Delgado

Tue 14/10

07:00-21:00

1 stop14h 00m

£156

GlasgowFaro

GLA - FAO

GLAFAO

Glasgow Intl

Tue 28/10

09:35-13:00

Nonstop3h 25m

Faro

Tue 4/11

13:55-17:20

Nonstop3h 25m

£172

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 57 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, 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 13 June 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 17% 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 8 June 2025.

Travellers seeking maximum savings on their Glasgow Intl Airport to Portugal flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 2.0 - 116.0 inches per month. December is typically the wettest month, when rainfall can reach 116.0 mm. July is typically the driest time to visit Portugal when rainfall is around 2.0 mm.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

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 13 June 2025.
To help decide which airline to fly from Glasgow to Portugal, see what other customers have to say about Jet2, Emirates and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Overall

8.3

Comfort

7.8

Entertainment

6.3

Boarding

8.2

Crew

8.8

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

Overall

8.3

Comfort

7.8

Entertainment

6.3

Boarding

8.2

Crew

8.8

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

Overall

8.3

Comfort

7.8

Entertainment

6.3

Boarding

8.2

Crew

8.8

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

Overall

8.3

Comfort

7.8

Entertainment

6.3

Boarding

8.2

Crew

8.8

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

Overall

8.3

Comfort

7.8

Entertainment

6.3

Boarding

8.2

Crew

8.8

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

Overall

8.3

Comfort

7.8

Entertainment

6.3

Boarding

8.2

Crew

8.8

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.
  • What are the cheapest airlines to fly from Glasgow Intl Airport to Portugal one-way?

    £56 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on Jet2 and Ryanair, with prices starting from £60 and £73, respectively.

  • 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£77Average£211FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£84Average£165FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
KLMCheapest£136Average£258FlexibilityNo cancel feeOn-time75%
Search KLM flights
Jet2Cheapest£139Average£342FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
LufthansaCheapest£152Average£281FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£163Average£276FlexibilityNo 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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