Cheap flights from Porto to Glasgow Intl Airport from £36

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — GLA
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Glasgow Intl

Enter your travel dates to find the best prices.

Cheapest flights from Porto to Glasgow Intl
Explore the most affordable flight options available from Porto to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 April 2026.

Fri 8/521:30
OPO
-
GLA
1 stop11h 30m
Multiple Airlines
Mon 11/520:40
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Deal found 9/4£83
Fri 24/421:30
OPO
-
GLA
1 stop11h 30m
Multiple Airlines
Mon 27/422:20
GLA
-
OPO
1 stop10h 40m
Multiple Airlines
Deal found 8/4£88
Thu 21/522:20
OPO
-
GLA
1 stop8h 40m
Multiple Airlines
Thu 28/508:05
GLA
-
OPO
1 stop12h 50m
Multiple Airlines
Deal found 6/4£92
Wed 20/518:35
OPO
-
GLA
1 stop14h 40m
Multiple Airlines
Wed 27/508:25
GLA
-
OPO
1 stop12h 25m
Multiple Airlines
Deal found 5/4£96
Sat 23/521:50
OPO
-
GLA
1 stop10h 30m
Multiple Airlines
Sat 30/522:00
GLA
-
OPO
2 stops23h 20m
Multiple Airlines
Deal found 8/4£105

Find flight deals from Porto to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Glasgow Intl (GLA). 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

£83

One-way from

£36

Popular in

August

Cheapest in

October

Average price

£173
Ryanair
  • Ryanair
  • 8/5-11/5
  • 2 total stops
  • 22h 10m total
  • Porto to Glasgow
15/5
  • 15/5
  • 1 total stop
  • 11h 30m total
  • Porto to Glasgow
Highest demand for flights based on searches. 27% potential increase in price (£76 potential increase over avg. return price).
Cheapest flight prices on average. 11% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Porto 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 10 April 2026.
Use the filters below to find and compare flights from Porto to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Thu 21/5

22:20-07:00

1 stop8h 40m

Glasgow Intl

Thu 28/5

08:05-20:55

1 stop12h 50m

£92

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Wed 20/5

21:40-14:55

2 stops17h 15m

Glasgow Intl

Wed 27/5

08:25-20:50

1 stop12h 25m

£103

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Fri 8/5

21:30-09:00

1 stop11h 30m

Glasgow Intl

Mon 11/5

06:50-09:35

Nonstop2h 45m

£112
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

£130

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Fri 22/5

06:15-20:50

1 stop14h 35m

Glasgow Intl

Fri 29/5

21:15-21:25

1 stop24h 10m

£130

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Tue 16/6

17:45-07:50

1 stop14h 05m

Glasgow Intl

Thu 18/6

08:05-20:55

1 stop12h 50m

£136

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Thu 30/4

21:30-23:45

1 stop26h 15m

Glasgow Intl

Mon 4/5

20:40-07:20

1 stop10h 40m

£139

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Fri 24/4

09:45-12:25

Nonstop2h 40m

Glasgow Intl

Mon 27/4

06:50-09:35

Nonstop2h 45m

£174

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Fri 22/5

09:45-12:25

Nonstop2h 40m

Glasgow Intl

Fri 29/5

21:00-08:35

1 stop11h 35m

£225

PortoGlasgow

OPO - GLA

OPOGLA

Porto

Fri 1/5

09:45-12:25

Nonstop2h 40m

Glasgow Intl

Mon 4/5

06:50-09:35

Nonstop2h 45m

£229

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Porto to Glasgow Intl

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

What is the cheapest time of day to fly from OPO to GLA?

Find hourly flight availability from Porto 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 10 April 2026.

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

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

Related info for your journey

Find useful and relevant information for your journey from Porto to Glasgow Intl. 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 from for flights from Porto to Glasgow Intl?

    If you book a flight to Glasgow Intl from Porto, you will be flying from 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 Porto to Glasgow Intl per day from 0 different airlines.

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

    For as low as £130, easyJet can have you in Glasgow Intl Airport from Porto in 2h 40m. Porto and Glasgow Intl Airport are separated by a distance of 1028 mi. Generally, flights for this route are direct.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto 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.

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
Renfrew
Inveraray
Rothesay
Alexandria
Tarbert
Balloch

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Alternative routes for Porto to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Porto to Glasgow Intl?

Deals for Porto to Glasgow Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Glasgow Intl from Porto by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Porto to Glasgow Intl with no change fees.

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

Not ready to book yet? You can track prices for flights from Porto to Glasgow Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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