Find flights
Deals
When to book
FAQs

Cheap flights from Portugal to Glasgow Intl Airport from £39

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — GLA
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 20 February 2026.

Thu 9/420:20
FAO
-
GLA
Nonstop3h 15m
easyJet
Fri 17/419:25
GLA
-
FAO
Nonstop3h 20m
easyJet
Deal found 17/2£76
Wed 13/509:40
LIS
-
GLA
1 stop11h 05m
Multiple Airlines
Sun 17/506:20
GLA
-
LIS
Nonstop3h 10m
Multiple Airlines
Deal found 17/2£85
Thu 9/420:20
FAO
-
GLA
Nonstop3h 15m
Multiple Airlines
Fri 17/421:15
GLA
-
FAO
1 stop13h 25m
Multiple Airlines
Deal found 17/2£93
Fri 3/407:40
FAO
-
GLA
1 stop13h 10m
Multiple Airlines
Fri 10/410:05
GLA
-
FAO
1 stop9h 20m
Multiple Airlines
Deal found 17/2£94
Wed 22/405:55
LIS
-
GLA
1 stop5h 35m
Multiple Airlines
Wed 22/421:10
GLA
-
LIS
2 stops25h 05m
Multiple Airlines
Deal found 20/2£96
Thu 5/320:30
LIS
-
GLA
1 stop11h 25m
Ryanair
Mon 9/322:00
GLA
-
LIS
1 stop15h 15m
Ryanair
Deal found 17/2£102
Tue 21/422:25
OPO
-
GLA
1 stop8h 55m
Multiple Airlines
Sat 25/421:35
GLA
-
OPO
2 stops17h 10m
Multiple Airlines
Deal found 18/2£102
Fri 15/511:10
LIS
-
GLA
1 stop9h 40m
Multiple Airlines
Mon 18/521:45
GLA
-
LIS
1 stop11h 15m
Multiple Airlines
Deal found 20/2£102
Sat 7/321:20
FAO
-
GLA
1 stop10h 35m
Multiple Airlines
Mon 9/308:20
GLA
-
FAO
1 stop14h 35m
Multiple Airlines
Deal found 18/2£104
Sat 7/320:05
FAO
-
GLA
1 stop10h 50m
Ryanair
Mon 9/314:35
GLA
-
FAO
1 stop8h 20m
Ryanair
Deal found 18/2£105
Fri 10/416:30
OPO
-
GLA
1 stop16h 10m
Ryanair
Mon 13/420:55
GLA
-
OPO
1 stop10h 25m
Ryanair
Deal found 18/2£105
Sat 4/419:30
LIS
-
GLA
1 stop12h 50m
Multiple Airlines
Sat 11/421:35
GLA
-
LIS
1 stop12h 00m
Multiple Airlines
Deal found 18/2£108

Find 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 20 February 2026.

Round-trip from

£76

One-way from

£39

Popular in

October

Cheapest in

February

Average price

£71

Good one-way deal

£97 or less
easyJet
  • easyJet
  • 9/4-17/4
  • Nonstop
  • 6h 35m total
  • Portugal to Glasgow
Search Deals
Ryanair
  • Ryanair
  • 26/3
  • 1 total stop
  • 11h 25m total
  • Portugal to Glasgow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a one-way flight from Portugal to Glasgow Intl.
Search Deals

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 20 February 2026.
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 9/4

20:20-23:35

Nonstop3h 15m

Glasgow Intl

Fri 17/4

19:25-22:45

Nonstop3h 20m

£76

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Fri 3/4

07:40-20:50

1 stop13h 10m

Glasgow Intl

Fri 10/4

10:05-19:25

1 stop9h 20m

£94

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Thu 5/3

20:30-07:55

1 stop11h 25m

Glasgow Intl

Mon 9/3

22:00-13:15

1 stop15h 15m

£102

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Tue 21/4

22:25-07:20

1 stop8h 55m

Glasgow Intl

Sat 25/4

21:35-14:45

2 stops17h 10m

£102

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Sat 7/3

21:20-07:55

1 stop10h 35m

Glasgow Intl

Mon 9/3

08:20-22:55

1 stop14h 35m

£104

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Sat 7/3

20:05-06:55

1 stop10h 50m

Glasgow Intl

Mon 9/3

14:35-22:55

1 stop8h 20m

£105

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Wed 13/5

09:40-22:10

2 stops12h 30m

Glasgow Intl

Sun 17/5

06:20-09:30

Nonstop3h 10m

£108

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Tue 21/4

22:25-07:20

1 stop8h 55m

Glasgow Intl

Sat 25/4

20:45-13:40

1 stop16h 55m

£112

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Thu 9/4

13:40-09:40

2 stops20h 00m

Glasgow Intl

Fri 17/4

21:15-10:40

1 stop13h 25m

£112

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Fri 10/4

20:10-21:10

2 stops25h 00m

Glasgow Intl

Mon 13/4

20:55-07:20

1 stop10h 25m

£112

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 51 results
1
2
3
...
6

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, February is the cheapest month in which you can book a flight from Portugal to Glasgow Intl Airport (average of £42). Flying from Portugal to Glasgow Intl Airport in July is currently the most expensive (average of £168). 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 20 February 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portugal to Glasgow Intl Airport as you normally would.

How often are flights from Portugal to Glasgow delayed?

About 0% of weekly flights between Portugal and Glasgow have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Portugal to Glasgow flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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 8h 10m. The distance from Portugal to Glasgow Intl Airport is about 1312 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Jet2. According to our data, you can fly for as low as £34. Users have also found prices from £40 and £57 on easyJet and Ryanair, respectively.

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

    Most travelers choose Porto - Glasgow Intl, Lisbon Humberto Delgado - Glasgow Intl or Faro - 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, February is the cheapest month in which you can book a flight from Portugal to Glasgow Intl Airport (average of £42). Flying from Portugal to Glasgow Intl Airport in July is currently the most expensive (average of £168). 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
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Largs
Inveraray
Renfrew
Rothesay
Alexandria
Ballachulish
Tarbert
Balloch

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portugal to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Glasgow Intl flights
Charles de Gaulle to Glasgow Intl flights
Gatwick to Glasgow Intl flights
Luton to Glasgow Intl flights
Heathrow to Glasgow Intl flights
Stansted to Glasgow Intl flights
London City to Glasgow Intl flights
Stuttgart to Glasgow Intl flights
Frankfurt to Prestwick flights
Beauvais-Tille to Glasgow Intl flights
Orly to Glasgow Intl flights
Dublin to Glasgow Intl flights
Amsterdam to Glasgow Intl flights
Leonardo da Vinci/Fiumicino to Glasgow Intl flights
Porto to Glasgow Intl flights
Belfast Intl to Glasgow Intl flights
Vienna to Glasgow Intl flights
Southampton to Glasgow Intl flights
Bristol to Glasgow Intl flights
Barcelona-El Prat to Glasgow Intl flights
Lyon to Glasgow Intl flights
Bergamo to Glasgow Intl flights
Malpensa to Glasgow Intl flights
Munich to Glasgow Intl flights
Amsterdam to Prestwick flights
Krakow to Glasgow Intl flights
Bruxelles-National to Glasgow Intl flights
Gatwick to Prestwick flights
Malpensa to Prestwick flights
Belfast City to Glasgow Intl flights
Prague to Glasgow Intl flights
Stansted to Prestwick flights
Nantes to Glasgow Intl flights
Southend to Glasgow Intl flights
Vienna to Prestwick flights
Alicante to Glasgow Intl flights
Toulouse to Glasgow Intl flights
Birmingham to Glasgow Intl flights
Málaga to Glasgow Intl flights
Zurich to Glasgow Intl flights
Hamburg to Glasgow Intl flights
Geneva to Glasgow Intl flights
Madrid to Glasgow Intl flights
Berlin to Glasgow Intl flights
Marseille to Glasgow Intl 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 Portugal to Glasgow Intl?

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 Glasgow Intl from Portugal today with Cheapflights!

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.