Cheap flights from Glasgow Intl Airport to Porto from £57

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — OPO
10 May — 17 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 10 April 2026.

Mon 18/520:40
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Wed 20/507:05
OPO
-
GLA
1 stop13h 40m
Multiple Airlines
Deal found 8/4£90
Mon 18/520:40
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Mon 1/607:15
OPO
-
GLA
1 stop15h 05m
Multiple Airlines
Deal found 8/4£92
Tue 12/519:10
GLA
-
OPO
1 stop13h 05m
Multiple Airlines
Fri 15/521:30
OPO
-
GLA
1 stop11h 30m
Multiple Airlines
Deal found 9/4£96
Tue 2/609:10
GLA
-
OPO
1 stop14h 30m
Multiple Airlines
Wed 3/607:25
OPO
-
GLA
2 stops25h 15m
Multiple Airlines
Deal found 8/4£98
Mon 20/422:20
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Mon 27/421:05
OPO
-
GLA
2 stops23h 50m
Multiple Airlines
Deal found 5/4£104

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 10 April 2026.

Round-trip from

£90

One-way from

£57

Popular in

December

Cheapest in

March

Average price

£174

Good round-trip deal

£280 or less

Good one-way deal

£176 or less
18/5-20/5
  • 18/5-20/5
  • 2 total stops
  • 24h 20m total
  • Glasgow to Porto
Wizz Air
  • Wizz Air
  • 20/6
  • 1 total stop
  • 13h 25m total
  • Glasgow to Porto
Highest demand for flights based on searches. 22% potential increase in price (£47 potential increase over avg. return price).
Cheapest flight prices on average. 10% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Glasgow Intl to Porto.
Price to beat on a one-way flight from Glasgow Intl to Porto.

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 10 April 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 12/5

20:40-23:00

2 stops26h 20m

Porto

Fri 15/5

21:30-09:00

1 stop11h 30m

£96

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Mon 20/4

22:20-09:00

1 stop10h 40m

Porto

Mon 27/4

21:05-20:55

2 stops23h 50m

£104
Fastest return journey

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Mon 20/4

06:50-09:35

Nonstop2h 45m

Porto

Mon 27/4

10:10-12:50

Nonstop2h 40m

£127

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 24/4

06:25-09:10

Nonstop2h 45m

Porto

Mon 27/4

10:10-12:50

Nonstop2h 40m

£127

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Tue 16/6

20:05-17:50

2 stops21h 45m

Porto

Sun 21/6

07:35-07:40

2 stops24h 05m

£130

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Fri 24/4

06:00-19:15

1 stop13h 15m

Porto

Mon 27/4

19:00-08:25

1 stop13h 25m

£272

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Tue 18/8

07:05-23:20

1 stop16h 15m

Porto

Tue 25/8

06:15-20:55

1 stop14h 40m

£273
Cheapest one-way

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Sat 9/5

07:00-21:10

1 stop14h 10m

£61

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Mon 29/6

20:40-07:20

1 stop10h 40m

£63
Fastest single journey

GlasgowPorto

GLA - OPO

GLAOPO

Glasgow Intl

Mon 27/7

06:50-09:35

Nonstop2h 45m

£69

Flights are sorted by cheapest return flights first.

Deals found on 7/4

Showing 1-10 of 16 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

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 £371). 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 10 April 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 10 April 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.

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

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

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

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

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

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 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 £99, 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 £279. 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 £255, our data indicates the cheapest price to be £124. The most popular route (Glasgow Intl - Porto), is priced around £90.

  • 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 £371). 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

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

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 10 April 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£99Average£185FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£279Average£412FlexibilityNo 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.

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.