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Cheap flights from Portugal to Glasgow Intl Airport from £42

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — GLA
9 Jul — 16 Jul1
1 adult

Cheap flight deals from Portugal to Glasgow Intl

Keep the following information in mind while searching for Portugal to Glasgow Intl flight deals. Data was last updated 4 July 2025.

Round-trip from

£81

One-way from

£42

Popular in

January

Cheapest in

February

Good one-way deal

£76 or less
easyJet
  • easyJet
  • 14/8-20/8
  • Nonstop
  • 6h 30m total
  • Portugal to Glasgow
Search Deals
easyJet
  • easyJet
  • 4/9
  • Nonstop
  • 3h 15m total
  • Portugal to Glasgow
Search Deals
High demand for flights, 19% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Price to beat on a one-way flight from Portugal to Glasgow Intl.
Search Deals

Find flight deals from Portugal to Glasgow Intl

Cheapest flights from Portugal to Glasgow Intl
Explore the most affordable flight options available from Portugal to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Thu 14/820:15FAO - GLA
Nonstop3h 15measyJet
Wed 20/816:25GLA - FAO
Nonstop3h 15measyJet
Deal found 2/7£81
Fri 11/717:10OPO - GLA
1 stop14h 10mMultiple Airlines
Mon 14/706:50GLA - OPO
Nonstop2h 45mMultiple Airlines
Deal found 2/7£144
Fri 26/921:35LIS - GLA
1 stop11h 40measyJet
Mon 29/920:55GLA - LIS
1 stop13h 00measyJet
Deal found 3/7£145
Fri 11/709:45OPO - GLA
Nonstop2h 45measyJet
Mon 14/706:50GLA - OPO
Nonstop2h 45measyJet
Deal found 2/7£147
Sat 16/822:00FAO - GLA
1 stop10h 05mMultiple Airlines
Sat 23/810:05GLA - FAO
1 stop11h 05mMultiple Airlines
Deal found 2/7£150
Tue 25/1115:50LIS - GLA
1 stop6h 30mMultiple Airlines
Tue 2/1207:15GLA - LIS
1 stop26h 05mMultiple Airlines
Deal found 2/7£158
Tue 30/1205:00LIS - GLA
1 stop7h 40mKLM
Mon 5/117:15GLA - LIS
1 stop5h 55mKLM
Deal found 3/7£159
Thu 14/807:25FAO - GLA
1 stop5h 55mRyanair
Wed 20/818:55GLA - FAO
2 stops24h 35mRyanair
Deal found 2/7£165
Tue 29/720:20LIS - GLA
2 stops19h 10mRyanair
Wed 13/815:55GLA - LIS
1 stop6h 35mRyanair
Deal found 2/7£168
Sat 16/807:05OPO - GLA
2 stops16h 20mRyanair
Thu 21/813:45GLA - OPO
1 stop8h 50mRyanair
Deal found 2/7£234
Thu 14/819:30FAO - GLA
1 stop27h 40mKLM
Thu 21/806:00GLA - FAO
1 stop25h 15mKLM
Deal found 3/7£246
Wed 17/920:10OPO - GLA
1 stop12h 00mKLM
Sat 20/916:55GLA - OPO
1 stop5h 20mKLM
Deal found 3/7£273

Cheapflights Fare Finder

Customise your flight search to find flights from Portugal to Glasgow Intl 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 4 July 2025.
Use the filters below to find and compare flights from Portugal to Glasgow Intl Airport that are best for you.

Fly from

Portugal

Fly to

Glasgow Intl

Route

Depart

Return

Price

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Thu 14/8

20:15-23:30

Nonstop3h 15m

Glasgow Intl

Wed 20/8

16:25-19:40

Nonstop3h 15m

£81

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Fri 26/9

21:35-09:15

1 stop11h 40m

Glasgow Intl

Mon 29/9

20:55-09:55

1 stop13h 00m

£145

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Sat 16/8

22:00-08:05

1 stop10h 05m

Glasgow Intl

Sat 23/8

10:05-21:10

1 stop11h 05m

£150

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Tue 25/11

15:50-22:20

1 stop6h 30m

Glasgow Intl

Tue 2/12

07:15-09:20

1 stop26h 05m

£158

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Tue 30/12

05:00-12:40

1 stop7h 40m

Glasgow Intl

Mon 5/1

17:15-23:10

1 stop5h 55m

£159

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Thu 14/8

07:25-13:20

1 stop5h 55m

Glasgow Intl

Wed 20/8

18:55-19:30

2 stops24h 35m

£165

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Tue 29/7

20:20-15:30

2 stops19h 10m

Glasgow Intl

Wed 13/8

15:55-22:30

1 stop6h 35m

£168

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Sat 16/8

21:00-21:15

1 stop24h 15m

Glasgow Intl

Thu 21/8

09:20-20:15

1 stop10h 55m

£203

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Sun 17/8

22:20-21:25

2 stops23h 05m

Glasgow Intl

Sun 24/8

21:55-16:20

2 stops18h 25m

£216

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Sat 16/8

07:05-23:25

2 stops16h 20m

Glasgow Intl

Thu 21/8

13:45-22:35

1 stop8h 50m

£234

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 38 results
1
2
3
4

Best time to book a flight from Portugal to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Portugal 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 Portugal to Glasgow Intl Airport

What is the cheapest month to book a flight from Portugal to Glasgow Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Portugal to Glasgow Intl Airport (average of £97). Flying from Portugal to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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 PT to GLA?

Find hourly flight availability from Portugal to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

One of the essential ways to save on airfare from Portugal to Glasgow Intl Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 7% on airfare.

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. 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 Glasgow Intl. Reviews last updated 4 July 2025.
Read through reviews of airlines operating flights from Portugal to Glasgow Intl Airport, such as Jet2, KLM, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Jet2
8.3
Very Good
163 reviews
Check prices

Boarding

8.2

Entertainment

6.3

Comfort

7.8

Food

7.3

Overall

8.3

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.
Jet2
8.3
Very Good
163 reviews
Jet2
8.3
Very Good
163 reviews
Check prices

Boarding

8.2

Entertainment

6.3

Comfort

7.8

Food

7.3

Overall

8.3

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.
KLM
7.8
Good
1,367 reviews
Jet2
8.3
Very Good
163 reviews
Check prices

Boarding

8.2

Entertainment

6.3

Comfort

7.8

Food

7.3

Overall

8.3

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.
Aer Lingus
7.1
Good
1,144 reviews
Jet2
8.3
Very Good
163 reviews
Check prices

Boarding

8.2

Entertainment

6.3

Comfort

7.8

Food

7.3

Overall

8.3

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.
Iberia
7.0
Good
2,820 reviews
Jet2
8.3
Very Good
163 reviews
Check prices

Boarding

8.2

Entertainment

6.3

Comfort

7.8

Food

7.3

Overall

8.3

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.
easyJet
6.9
Okay
1,816 reviews
Jet2
8.3
Very Good
163 reviews
Check prices

Boarding

8.2

Entertainment

6.3

Comfort

7.8

Food

7.3

Overall

8.3

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 Portugal to Glasgow Intl. 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 Portugal to Glasgow Intl Airport one-way?

    For one-way options, check prices for easyJet. According to our data, you can fly for as low as £42. Users have also found prices from £75 and £114 on Ryanair and British Airways, respectively.

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

    Most travelers choose Porto - Glasgow Intl, Faro - Glasgow Intl or Lisbon Humberto Delgado - Glasgow Intl when deciding on the best route from Portugal to Glasgow Intl Airport.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Portugal to Glasgow Intl Airport (average of £97). Flying from Portugal to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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

Travelling to a place near Portugal?

Book flights to Portugal if you plan to visit one of these locations
Paisley
Largs
Renfrew
Kilmarnock
Dunoon
East Kilbride
Dumbarton
Arrochar
Inveraray
Ballachulish
Rothesay
Clydebank
Alexandria
Tarbert
Balloch

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Alternative routes for Portugal to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Portugal to Glasgow Intl

Discover the top airline that operate flights from Portugal to Glasgow Intl. 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£28Average£162FlexibilityNo cancel feeOn-time86%
Search easyJet flights

Fly with Cheapflights

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

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Why should you use Cheapflights to find cheap flight tickets from Portugal to Glasgow Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portugal to Glasgow Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portugal to Glasgow Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portugal to Glasgow Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portugal to Glasgow Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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