Cheap flights from Portugal to Glasgow Intl Airport from £18

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — GLA
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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 31 October 2025.

Round-trip from

£64

One-way from

£18

Good one-way deal

£43 or less
easyJet
  • easyJet
  • 16/12-17/12
  • 1 total stop
  • 13h 40m total
  • Portugal to Glasgow
easyJet
  • easyJet
  • 16/12
  • Nonstop
  • 3h 15m total
  • Portugal to Glasgow
Price to beat on a one-way flight from Portugal to Glasgow Intl.

Find flight deals from Portugal to Glasgow Intl

Enter your travel dates to find the best prices.

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 31 October 2025.

Tue 16/1210:50FAO - GLA
Nonstop3h 15measyJet
Wed 17/1208:50GLA - FAO
1 stop10h 25measyJet
Deal found 30/10£64
Sat 13/1209:50FAO - GLA
Nonstop3h 20measyJet
Sat 20/1206:00GLA - FAO
Nonstop3h 20measyJet
Deal found 29/10£105
Tue 16/1210:00FAO - GLA
1 stop10h 05mMultiple Airlines
Wed 17/1208:15GLA - FAO
2 stops25h 05mMultiple Airlines
Deal found 30/10£122
Mon 17/1117:05LIS - GLA
1 stop15h 55mRyanair
Wed 19/1107:45GLA - LIS
1 stop12h 05mRyanair
Deal found 30/10£128
Sat 15/1121:30LIS - GLA
1 stop11h 55mMultiple Airlines
Wed 19/1106:45GLA - LIS
1 stop10h 30mMultiple Airlines
Deal found 30/10£134
Thu 20/1113:50OPO - GLA
1 stop18h 10mMultiple Airlines
Mon 24/1108:35GLA - OPO
1 stop24h 50mMultiple Airlines
Deal found 30/10£144
Sat 15/1110:35OPO - GLA
1 stop8h 25mMultiple Airlines
Mon 17/1119:20GLA - OPO
1 stop13h 20mMultiple Airlines
Deal found 29/10£145
Sat 22/1110:35OPO - GLA
1 stop8h 25mMultiple Airlines
Mon 24/1108:35GLA - OPO
2 stops23h 00mMultiple Airlines
Deal found 29/10£150
Thu 25/1208:55LIS - GLA
1 stop23h 20mMultiple Airlines
Wed 31/1220:50GLA - LIS
1 stop13h 20mMultiple Airlines
Deal found 30/10£154
Sat 15/1110:35OPO - GLA
2 stops20h 20mRyanair
Mon 17/1114:35GLA - OPO
2 stops18h 05mRyanair
Deal found 29/10£163
Mon 17/1106:00LIS - GLA
2 stops17h 10mMultiple Airlines
Wed 19/1108:55GLA - LIS
2 stops10h 55mMultiple Airlines
Deal found 30/10£166
Sun 14/1209:55LIS - GLA
1 stop10h 00mMultiple Airlines
Sun 21/1220:50GLA - LIS
2 stops22h 25mMultiple Airlines
Deal found 30/10£167

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 31 October 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

Tue 16/12

10:50-14:05

Nonstop3h 15m

Glasgow Intl

Wed 17/12

08:50-19:15

1 stop10h 25m

£64

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Sat 13/12

10:00-08:20

1 stop22h 20m

Glasgow Intl

Sat 20/12

06:00-09:20

Nonstop3h 20m

£115

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Mon 17/11

17:05-09:00

1 stop15h 55m

Glasgow Intl

Wed 19/11

07:45-19:50

1 stop12h 05m

£128

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Sat 15/11

21:30-09:25

1 stop11h 55m

Glasgow Intl

Wed 19/11

06:45-17:15

1 stop10h 30m

£134

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Sat 10/1

13:55-07:55

2 stops18h 00m

Glasgow Intl

Sun 11/1

22:15-11:35

1 stop13h 20m

£138

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Sun 14/12

09:55-07:55

1 stop22h 00m

Glasgow Intl

Sun 21/12

20:50-21:05

1 stop24h 15m

£144

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Thu 20/11

13:50-08:00

1 stop18h 10m

Glasgow Intl

Mon 24/11

08:35-09:25

1 stop24h 50m

£144

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Sat 10/1

06:05-20:00

1 stop13h 55m

Glasgow Intl

Sun 11/1

22:15-11:35

1 stop13h 20m

£145

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Sat 15/11

10:35-19:00

1 stop8h 25m

Glasgow Intl

Mon 17/11

19:20-08:40

1 stop13h 20m

£145

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Tue 16/12

14:10-07:20

2 stops17h 10m

Glasgow Intl

Wed 17/12

12:00-09:20

2 stops21h 20m

£149

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 34 results
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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, October is the cheapest month in which you can book a flight from Portugal to Glasgow Intl Airport (average of £92). Flying from Portugal to Glasgow Intl Airport in July is currently the most expensive (average of £224). 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 31 October 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 58% on airfare.

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.
  • How long is the flight from Portugal to Glasgow Intl Airport?

    easyJet and Ryanair can get you from Portugal to Glasgow Intl Airport in just under 3h 15m. Your travel time can differ by up to 12h 40m. The distance from Portugal to Glasgow Intl Airport is about 1312 mi. This flight may include one or multiple stops.

  • What are the most popular routes 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, October is the cheapest month in which you can book a flight from Portugal to Glasgow Intl Airport (average of £92). Flying from Portugal to Glasgow Intl Airport in July is currently the most expensive (average of £224). 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 Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Dunoon
Largs
Renfrew
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Inveraray
Rothesay
Ballachulish
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.

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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