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Cheap flights from Portugal to Glasgow from £13

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — GLA
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to Glasgow

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to Glasgow
Explore the most affordable flight options available from Portugal to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 August 2026.

Thu 20/820:20 -
Nonstop3h 15m
Wed 26/816:20 -
Nonstop3h 20m
Deal found 14/8£44
Mon 7/1212:00 -
Nonstop3h 00m
Mon 14/1215:40 -
Nonstop2h 45m
Deal found 15/8£59
Mon 30/1112:00 -
Nonstop3h 00m
Mon 14/1215:40 -
Nonstop2h 45m
Deal found 15/8£60
Thu 20/807:30 -
Nonstop3h 10m
Wed 26/806:10 -
Nonstop3h 05m
Deal found 14/8£61
Mon 7/1212:00 -
Nonstop3h 00m
Fri 11/1220:30 -
Nonstop2h 45m
Deal found 15/8£62
Mon 30/1112:00 -
Nonstop3h 00m
Fri 11/1220:30 -
Nonstop2h 45m
Deal found 15/8£63
Sat 14/1113:30 -
Nonstop3h 10m
Wed 25/1117:15 -
Nonstop3h 15m
Deal found 13/8£65
Fri 27/1116:55 -
Nonstop3h 00m
Mon 30/1115:40 -
Nonstop2h 45m
Deal found 17/8£66
Thu 27/810:40 -
Nonstop3h 25m
Sun 25/1006:00 -
Nonstop3h 25m
Deal found 13/8£66
Sat 22/810:40 -
Nonstop3h 25m
Wed 26/816:20 -
Nonstop3h 20m
Deal found 16/8£68
Fri 4/1216:55 -
Nonstop3h 00m
Mon 14/1215:40 -
Nonstop2h 45m
Deal found 15/8£68
Fri 4/1216:55 -
Nonstop3h 00m
Fri 11/1220:30 -
Nonstop2h 45m
Deal found 15/8£71

Find flight deals from Portugal to Glasgow

Keep the following information in mind while searching for Portugal to Glasgow flight deals. Data was last updated 17 August 2026.

Round-trip from

£59

One-way from

£13

Popular in

July

Cheapest in

August

Average price

£83
easyJet
  • easyJet
  • 7/12-14/12
  • Nonstop
  • 5h 45m total
  • Portugal to Glasgow
Search Deals
Ryanair
  • Ryanair
  • 17/9
  • Nonstop
  • 3h 10m total
  • Portugal to Glasgow
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal to Glasgow 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 August 2026.
Use the filters below to find and compare flights from Portugal to Glasgow that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PortoGlasgow

OPO Porto - GLA Glasgow Intl

OPOGLA

Porto

Mon 30/11

12:00-15:00

Nonstop3h 00m

Glasgow Intl

Mon 14/12

15:40-18:25

Nonstop2h 45m

£60

PortoGlasgow

OPO Porto - GLA Glasgow Intl

OPOGLA

Porto

Fri 27/11

16:55-19:55

Nonstop3h 00m

Glasgow Intl

Mon 30/11

15:40-18:25

Nonstop2h 45m

£66

LisbonGlasgow

LIS Lisbon Humberto Delgado - GLA Glasgow Intl

LISGLA

Lisbon Humberto Delgado

Wed 9/12

13:30-16:40

Nonstop3h 10m

Glasgow Intl

Wed 16/12

17:15-20:30

Nonstop3h 15m

£86

FaroGlasgow

FAO Faro - GLA Glasgow Intl

FAOGLA

Faro

Thu 22/10

06:05-13:00

1 stop6h 55m

Glasgow Intl

Sun 25/10

11:00-14:25

Nonstop3h 25m

£97

PortoGlasgow

OPO Porto - GLA Glasgow Intl

OPOGLA

Porto

Wed 16/9

21:40-18:35

2 stops20h 55m

Glasgow Intl

Mon 28/9

20:40-07:20

1 stop10h 40m

£99

FaroGlasgow

FAO Faro - GLA Glasgow Intl

FAOGLA

Faro

Thu 17/9

10:40-14:05

Nonstop3h 25m

Glasgow Intl

Wed 30/9

06:30-09:45

Nonstop3h 15m

£101

PortoGlasgow

OPO Porto - GLA Glasgow Intl

OPOGLA

Porto

Tue 1/12

08:50-20:05

1 stop11h 15m

Glasgow Intl

Fri 11/12

20:30-23:15

Nonstop2h 45m

£103

FaroGlasgow

FAO Faro - GLA Glasgow Intl

FAOGLA

Faro

Thu 17/9

20:20-23:35

Nonstop3h 15m

Glasgow Intl

Tue 22/9

08:50-20:15

1 stop11h 25m

£104

FaroGlasgow

FAO Faro - GLA Glasgow Intl

FAOGLA

Faro

Thu 17/9

08:45-18:35

2 stops9h 50m

Glasgow Intl

Tue 22/9

09:10-23:15

2 stops14h 05m

£109

PortoGlasgow

OPO Porto - GLA Glasgow Intl

OPOGLA

Porto

Fri 27/11

16:55-19:55

Nonstop3h 00m

Glasgow Intl

Tue 1/12

20:50-12:00

1 stop15h 10m

£114

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Portugal to Glasgow

Have a flexible travel schedule? Discover the best time to fly to Glasgow 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

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

Currently, January is the cheapest month in which you can book a flight from Portugal to Glasgow (average of £130). Flying from Portugal to Glasgow in October is currently the most expensive (average of £284). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 August 2026.

One of the essential ways to save on airfare from Portugal to Glasgow is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 27% on airfare.

How often are flights from Portugal to Glasgow delayed?

About 36% of weekly flights between Portugal and Glasgow have experienced delays in the past year, with the average delay time being 118 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Portugal to Glasgow flights?

Over the past year, easyJet have had the lowest number of delays on this route, with just 36% of flights being delayed.

What is the cheapest day to fly from Portugal to Glasgow?

Use this chart to determine the cheapest time to fly return from Portugal to Glasgow. Price data was last updated on 15 August 2026.

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

Reviews of airlines servicing Glasgow

Get insights into the airlines that provide service to Glasgow. 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. Reviews last updated 17 August 2026.
Check out reviews from past customers who have flown with British Airways from Portugal to Glasgow to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,170 reviews
Check prices

Crew

7.7

Overall

6.7

Comfort

6.8

Entertainment

6.5

Boarding

7.0

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BUD - LHR

We had an absolute nightmare experience with British Airways. Check in was bad. They “lost” our business class seats that I selected a long time ago. Our luggage almost didn’t make it on the plane in London to LAX. Flight attendant was rude!! Not that it should matter but she thought bc of the seat assignment issue we were “upgraded” and that’s we had no choice in meals. Not that the meals were any good anyway.
British Airways
6.7
Okay
8,170 reviews
British Airways
6.7
Okay
8,170 reviews
Check prices

Crew

7.7

Overall

6.7

Comfort

6.8

Entertainment

6.5

Boarding

7.0

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BUD - LHR

We had an absolute nightmare experience with British Airways. Check in was bad. They “lost” our business class seats that I selected a long time ago. Our luggage almost didn’t make it on the plane in London to LAX. Flight attendant was rude!! Not that it should matter but she thought bc of the seat assignment issue we were “upgraded” and that’s we had no choice in meals. Not that the meals were any good anyway.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Glasgow. 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?

    easyJet, Jet2, and Ryanair can get you from Portugal to Glasgow in just under 3h. Your travel time will be generally consistent. Portugal and Glasgow are separated by a distance of 1028 mi. Most flights are nonstop.

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

    £29 is the cheapest one-way deal found within the past few days, from Jet2. You may also be able to find cheap deals on easyJet and Ryanair, with prices starting from £40 and £48, respectively.

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

    While some choose either Porto - Glasgow Intl or Faro - Glasgow Intl, Lisbon Humberto Delgado - Glasgow Intl is the most popular route from Portugal to Glasgow.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal to Glasgow 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?

    Currently, January is the cheapest month in which you can book a flight from Portugal to Glasgow (average of £130). Flying from Portugal to Glasgow in October is currently the most expensive (average of £284). 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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Top 3 airlines flying from Portugal to Glasgow

Discover the top 3 airlines that operate flights from Portugal to Glasgow. 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 August 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£45Average£183FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£78Average£166FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£228Average£326FlexibilityNo 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?

Cheapflights helps you search for flights from Portugal to Glasgow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Portugal to Glasgow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Portugal to Glasgow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Portugal to Glasgow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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