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Cheap flights from Glasgow Intl Airport to Porto from £52

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — OPO
25 Apr — 2 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow Intl to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow Intl to Porto
Explore the most affordable flight options available from Glasgow Intl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Tue 21/421:20
GLA
-
OPO
1 stop15h 00m
Multiple Airlines
Tue 28/420:30
OPO
-
GLA
1 stop15h 00m
Multiple Airlines
Deal found 24/3£87
Mon 11/522:20
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Fri 15/506:15
OPO
-
GLA
1 stop14h 35m
Multiple Airlines
Deal found 24/3£89
Mon 18/520:40
GLA
-
OPO
1 stop10h 40m
Ryanair
Thu 21/522:20
OPO
-
GLA
1 stop8h 40m
Ryanair
Deal found 25/3£92
Sun 19/418:05
GLA
-
OPO
2 stops19h 25m
Ryanair
Sun 26/421:45
OPO
-
GLA
1 stop11h 10m
Ryanair
Deal found 22/3£98
Mon 13/420:40
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Thu 23/421:30
OPO
-
GLA
1 stop12h 10m
Multiple Airlines
Deal found 25/3£99
Mon 20/420:40
GLA
-
OPO
1 stop10h 40m
Ryanair
Mon 27/420:50
OPO
-
GLA
2 stops18h 50m
Ryanair
Deal found 23/3£100
Fri 8/511:05
GLA
-
OPO
1 stop8h 45m
Multiple Airlines
Fri 15/521:30
OPO
-
GLA
1 stop11h 30m
Multiple Airlines
Deal found 24/3£102
Tue 14/416:05
GLA
-
OPO
1 stop5h 40m
Multiple Airlines
Thu 23/421:30
OPO
-
GLA
1 stop12h 10m
Multiple Airlines
Deal found 25/3£102
Mon 18/520:40
GLA
-
OPO
1 stop10h 40m
Ryanair
Fri 22/518:40
OPO
-
GLA
2 stops12h 35m
Ryanair
Deal found 25/3£106

Find flight deals from Glasgow Intl to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 March 2026.

Round-trip from

£87

One-way from

£52

Popular in

December

Cheapest in

March

Average price

£133

Good round-trip deal

£127 or less
21/4-28/4
  • 21/4-28/4
  • 2 total stops
  • 30h 00m total
  • Glasgow to Porto
Search Deals
13/4
  • 13/4
  • 1 total stop
  • 10h 40m total
  • Glasgow to Porto
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£47 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Glasgow Intl to Porto.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow Intl to Porto 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 26 March 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Sun 19/4

18:05-13:30

2 stops19h 25m

Porto

Sun 26/4

21:45-08:55

1 stop11h 10m

£98

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Mon 15/6

06:50-09:35

Nonstop2h 45m

Porto

Mon 22/6

06:45-12:25

1 stop5h 40m

£135

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Mon 1/6

09:10-23:35

1 stop14h 25m

Porto

Sun 7/6

06:35-23:05

1 stop16h 30m

£164

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 19/6

21:15-18:55

2 stops21h 40m

Porto

Fri 26/6

18:40-23:25

1 stop4h 45m

£165

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 19/6

06:25-09:15

Nonstop2h 50m

Porto

Fri 26/6

07:00-23:00

1 stop16h 00m

£176

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 11/9

06:25-09:10

Nonstop2h 45m

Porto

Tue 15/9

06:15-15:40

2 stops9h 25m

£227

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 21/8

06:25-09:15

Nonstop2h 50m

Porto

Fri 28/8

09:45-12:25

Nonstop2h 40m

£236
Fastest return journey

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 15/5

06:25-09:10

Nonstop2h 45m

Porto

Mon 18/5

10:10-12:50

Nonstop2h 40m

£241

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Tue 14/4

16:55-22:15

1 stop5h 20m

Porto

Mon 20/4

19:00-08:25

1 stop13h 25m

£247
Cheapest one-way

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Mon 13/4

22:20-09:00

1 stop10h 40m

£52

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Glasgow Intl to Porto

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

How far ahead should I book a flight from Glasgow Intl Airport to Porto?

Use this chart to determine the optimal time to book a return flight from Glasgow Intl to Porto. Price data was last updated on 13 March 2026.

The price you pay for your flight from Glasgow Intl Airport to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Glasgow Intl Airport to Porto (average of £94). Flying from Glasgow Intl Airport to Porto in December is currently the most expensive (average of £376). 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.

How much does it cost for a return flight from Glasgow Intl Airport to Porto?

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated 26 March 2026.
Check out reviews from past customers who have flown with KLM,Ryanair, andeasyJet from Glasgow Intl Airport to Porto 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.
KLM
7.8
Good
1,478 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,478 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Ryanair
6.9
Okay
5,307 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
easyJet
6.9
Okay
1,888 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Glasgow Intl?

    If you book a flight to Porto from Glasgow Intl, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Glasgow Intl to Porto per day from 3 different airlines.

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

    Ryanair and easyJet can get you from Glasgow Intl Airport to Porto in just under 2h 45m. Your travel time can differ by up to 16h 40m. Airlines will cover a distance of 1028 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Glasgow Intl Airport to Porto round-trip?

    Currently priced at £100, easyJet will fly you from Glasgow Intl Airport to Porto and back. In addition to easyJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Ryanair and KLM - these airlines can fly you to your destination from £101 and £280, respectively. easyJet is 54% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking for the cheapest flight from Glasgow Intl Airport to Porto? While on average our users pay £247, our data indicates the cheapest price to be £124. The most popular route (Glasgow Intl - Porto), is priced around £87.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Glasgow Intl Airport to Porto (average of £94). Flying from Glasgow Intl Airport to Porto in December is currently the most expensive (average of £376). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Santa Maria da Feira
Viseu
Guimarães
Coimbra
Chaves
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Glasgow Intl to Porto

Discover the top 3 airlines that operate flights from Glasgow Intl to Porto. 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 26 March 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£100Average£187FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£101Average£197FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
KLMCheapest£280Average£413FlexibilityNo cancel feeOn-time75%
Search KLM 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 Glasgow Intl to Porto?

Cheapflights helps you search for flights from Glasgow Intl to Porto 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 Glasgow Intl to Porto?

Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl to Porto 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 Glasgow Intl to Porto with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Glasgow Intl to Porto flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Porto from Glasgow Intl today and book when prices fit your budget.

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