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Cheap flights from Portugal to Glasgow Intl Airport from £35

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — GLA
17 May — 24 May1
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 17 April 2026.

Thu 14/509:10
FAO
-
GLA
1 stop9h 25m
Multiple Airlines
Tue 19/509:10
GLA
-
FAO
1 stop12h 05m
Multiple Airlines
Deal found 16/4£80
Wed 29/419:15
FAO
-
GLA
1 stop12h 25m
Multiple Airlines
Sun 3/521:45
GLA
-
FAO
1 stop15h 35m
Multiple Airlines
Deal found 12/4£82
Wed 27/518:35
OPO
-
GLA
1 stop14h 40m
Multiple Airlines
Wed 3/611:55
GLA
-
OPO
1 stop11h 05m
Multiple Airlines
Deal found 12/4£83
Fri 8/506:15
OPO
-
GLA
1 stop14h 35m
Multiple Airlines
Mon 11/522:20
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Deal found 13/4£85
Fri 15/521:30
OPO
-
GLA
1 stop11h 30m
Multiple Airlines
Mon 18/520:40
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Deal found 13/4£86
Fri 8/521:40
LIS
-
GLA
1 stop11h 20m
Multiple Airlines
Tue 12/509:10
GLA
-
LIS
1 stop7h 35m
Multiple Airlines
Deal found 16/4£92
Wed 6/505:55
LIS
-
GLA
1 stop27h 20m
Ryanair
Tue 12/517:40
GLA
-
LIS
1 stop15h 35m
Ryanair
Deal found 12/4£106
Thu 28/510:15
FAO
-
GLA
1 stop11h 00m
Multiple Airlines
Thu 4/619:00
GLA
-
FAO
2 stops12h 45m
Multiple Airlines
Deal found 13/4£109
Wed 6/507:25
LIS
-
GLA
2 stops13h 20m
Multiple Airlines
Tue 12/509:10
GLA
-
LIS
2 stops24h 05m
Multiple Airlines
Deal found 14/4£111
Fri 8/521:40
LIS
-
GLA
1 stop11h 20m
Multiple Airlines
Sun 10/506:20
GLA
-
LIS
Nonstop3h 10m
Multiple Airlines
Deal found 12/4£113
Tue 2/622:30
LIS
-
GLA
2 stops22h 15m
Multiple Airlines
Sat 6/621:35
GLA
-
LIS
1 stop12h 00m
Multiple Airlines
Deal found 13/4£117
Sat 30/507:45
FAO
-
GLA
2 stops23h 30m
Multiple Airlines
Sat 6/621:35
GLA
-
FAO
2 stops25h 15m
Multiple Airlines
Deal found 15/4£118

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 17 April 2026.

Round-trip from

£80

One-way from

£35

Popular in

October

Cheapest in

December

Average price

£155

Good one-way deal

£57 or less
14/5-19/5
  • 14/5-19/5
  • 2 total stops
  • 21h 30m total
  • Portugal to Glasgow
Search Deals
29/4
  • 29/4
  • 1 total stop
  • 9h 25m total
  • Portugal to Glasgow
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 17 April 2026.
Use the filters below to find and compare flights from Portugal to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Thu 14/5

18:45-09:40

1 stop14h 55m

Glasgow Intl

Tue 19/5

08:20-20:10

2 stops11h 50m

£100

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Wed 29/4

11:20-08:40

2 stops21h 20m

Glasgow Intl

Sun 3/5

21:45-10:10

1 stop12h 25m

£101

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Thu 28/5

10:15-21:15

1 stop11h 00m

Glasgow Intl

Thu 4/6

19:00-07:45

2 stops12h 45m

£109

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Sat 30/5

07:45-07:15

2 stops23h 30m

Glasgow Intl

Sat 6/6

21:35-09:10

1 stop11h 35m

£114

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Wed 3/6

07:25-08:40

2 stops25h 15m

Glasgow Intl

Sun 7/6

21:45-23:50

2 stops26h 05m

£120
Fastest return journey

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Fri 8/5

09:45-12:25

Nonstop2h 40m

Glasgow Intl

Mon 11/5

06:50-09:35

Nonstop2h 45m

£121

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Thu 28/5

21:30-09:40

1 stop12h 10m

Glasgow Intl

Thu 4/6

19:10-08:10

1 stop13h 00m

£123

LisbonGlasgow

LIS - GLA

LISGLA

Lisbon Humberto Delgado

Sun 3/5

19:30-09:50

1 stop14h 20m

Glasgow Intl

Sun 10/5

21:45-12:50

1 stop15h 05m

£129

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Fri 8/5

07:05-10:25

Nonstop3h 20m

Glasgow Intl

Tue 12/5

08:25-11:40

Nonstop3h 15m

£134

FaroGlasgow

FAO - GLA

FAOGLA

Faro

Thu 28/5

20:20-23:35

Nonstop3h 15m

Glasgow Intl

Thu 4/6

09:20-23:00

1 stop13h 40m

£138

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 57 resultsSorted by cheapest first
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, October is the cheapest month in which you can book a flight from Portugal to Glasgow Intl Airport (average of £27). Flying from Portugal to Glasgow Intl Airport in August is currently the most expensive (average of £145). 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 17 April 2026.

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 in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 68% on airfare.

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.

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 17 April 2026.
Read through reviews of airlines operating flights from Portugal to Glasgow Intl Airport, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,889 reviews
Check prices

Food

6.4

Overall

6.7

Boarding

6.9

Comfort

6.8

Entertainment

6.4

Crew

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

NCE - LHR

I was transferred to AA airlines with seating far away from my wif.
British Airways
6.7
Okay
7,889 reviews
British Airways
6.7
Okay
7,889 reviews
Check prices

Food

6.4

Overall

6.7

Boarding

6.9

Comfort

6.8

Entertainment

6.4

Crew

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

NCE - LHR

I was transferred to AA airlines with seating far away from my wif.

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 can get you from Portugal to Glasgow Intl Airport in just under 2h 40m. Your travel time will be generally consistent. The distance from Portugal to Glasgow Intl Airport is about 1028 mi. All flights are typically direct.

  • 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 £38. Users have also found prices from £39 and £56 on easyJet and Ryanair, respectively.

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

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

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

    While on average a flight from Portugal to Glasgow Intl Airport is generally £133, our data shows the cheapest flight currently is £113. When looking at the most popular route, (Lisbon Humberto Delgado - Glasgow Intl), you can expect to pay £117 for that flight.

  • 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 £27). Flying from Portugal to Glasgow Intl Airport in August is currently the most expensive (average of £145). 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
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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£228Average£325FlexibilityNo 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 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!

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