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Cheap flights from Glasgow Intl Airport to Porto from £48

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — OPO
1 Jun — 8 Jun1
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 2 May 2026.

Tue 2/609:10
GLA
-
OPO
1 stop14h 30m
Multiple Airlines
Fri 19/620:00
OPO
-
GLA
1 stop13h 00m
Multiple Airlines
Deal found 2/5£82
Mon 8/620:40
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Thu 11/621:30
OPO
-
GLA
1 stop12h 10m
Multiple Airlines
Deal found 29/4£83
Tue 2/609:10
GLA
-
OPO
1 stop14h 30m
Multiple Airlines
Sat 6/607:05
OPO
-
GLA
1 stop14h 05m
Multiple Airlines
Deal found 2/5£94
Mon 11/522:20
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Fri 15/520:00
OPO
-
GLA
1 stop13h 00m
Multiple Airlines
Deal found 28/4£99
Thu 28/519:00
GLA
-
OPO
1 stop13h 55m
Multiple Airlines
Thu 4/621:45
OPO
-
GLA
2 stops23h 05m
Multiple Airlines
Deal found 30/4£108

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 2 May 2026.

Round-trip from

£82

One-way from

£48

Popular in

December

Cheapest in

March

Average price

£168

Good round-trip deal

£161 or less
2/6-19/6
  • 2/6-19/6
  • 2 total stops
  • 27h 30m total
  • Glasgow to Porto
Search Deals
Ryanair
  • Ryanair
  • 15/6
  • 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 May 2026
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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 2 May 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

Tue 26/5

20:40-12:05

2 stops15h 25m

Porto

Thu 28/5

21:30-09:40

1 stop12h 10m

£127

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 12/6

21:15-17:15

2 stops20h 00m

Porto

Mon 15/6

22:00-20:55

3 stops22h 55m

£146

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Wed 10/6

20:15-11:10

1 stop14h 55m

Porto

Sun 14/6

09:00-07:40

2 stops22h 40m

£158
Fastest return journey

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Mon 15/6

06:50-09:35

Nonstop2h 45m

Porto

Mon 22/6

10:10-12:50

Nonstop2h 40m

£171

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Sat 30/5

20:45-08:40

1 stop11h 55m

Porto

Sun 31/5

21:45-08:05

1 stop10h 20m

£182

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 22/5

06:25-09:10

Nonstop2h 45m

Porto

Mon 25/5

10:10-12:50

Nonstop2h 40m

£271

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Wed 10/6

16:55-22:15

1 stop5h 20m

Porto

Mon 15/6

19:00-08:25

1 stop13h 25m

£361

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Sun 20/9

07:40-20:40

1 stop13h 00m

Porto

Wed 23/9

08:20-21:55

2 stops13h 35m

£373
Cheapest one-way

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Tue 30/6

09:10-20:05

1 stop10h 55m

£58

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Tue 29/9

21:20-08:45

1 stop11h 25m

£64

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 15 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?

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 46 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, March is the cheapest month in which you can book a flight from Glasgow Intl Airport to Porto (average of £131). Flying from Glasgow Intl Airport to Porto in December is currently the most expensive (average of £443). 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 GLA to OPO?

Find hourly flight availability from Glasgow Intl to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 May 2026.

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

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 2 May 2026.
Check out reviews from past customers who have flown with KLM and easyJet 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
1,509 reviews
Check prices

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,509 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
easyJet
6.9
Okay
1,897 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 2 different airlines.

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

    easyJet can get you from Glasgow Intl Airport to Porto in just under 2h 45m. Your travel time will be generally consistent. Airlines will cover a distance of 1028 mi. Generally, flights for this route are direct.

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

    Currently priced at £93, 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. Check Cheapflights for deals on KLM for as low as £238. easyJet is 56% 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 £225, our data indicates the cheapest price to be £127. The most popular route (Glasgow Intl - Porto), is priced around £99.

  • 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, March is the cheapest month in which you can book a flight from Glasgow Intl Airport to Porto (average of £131). Flying from Glasgow Intl Airport to Porto in December is currently the most expensive (average of £443). 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 2 airlines flying from Glasgow Intl to Porto

Discover the top 2 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 2 May 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£93Average£184FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£238Average£406FlexibilityNo 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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