$89 Cheap Flights from Porto (OPO) to Glasgow (GLA)

View $89 flight on Fri, May 1, 2026Opens in a new window

Popular airlines from Porto Airport (OPO) to Glasgow International Airport (GLA)

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Cheap Flights from Porto to Glasgow (OPO-GLA)

Prices were available within the past 7 days and start at $89 for one-way flights and $307 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, Aug 12 - Mon, Aug 18
OPO
Porto
GLA
Glasgow
$307 Roundtrip, found 4 days ago
$307
Roundtrip
found 4 days ago
Select British Airways flight, departing Tue, Aug 12 from Porto to Glasgow, returning Mon, Aug 18, priced at $307 found 4 days ago
KLM
Thu, Oct 2 - Mon, Oct 6
OPO
Porto
GLA
Glasgow
$328 Roundtrip, found 19 hours ago
$328
Roundtrip
found 19 hours ago
Select KLM flight, departing Thu, Oct 2 from Porto to Glasgow, returning Mon, Oct 6, priced at $328 found 19 hours ago
British Airways
Sat, Oct 4 - Sat, Oct 11
OPO
Porto
GLA
Glasgow
$330 Roundtrip, found 19 hours ago
$330
Roundtrip
found 19 hours ago
Select British Airways flight, departing Sat, Oct 4 from Porto to Glasgow, returning Sat, Oct 11, priced at $330 found 19 hours ago
British Airways
Fri, Jul 25 - Mon, Jul 28
OPO
Porto
GLA
Glasgow
$335 Roundtrip, found 2 days ago
$335
Roundtrip
found 2 days ago
Select British Airways flight, departing Fri, Jul 25 from Porto to Glasgow, returning Mon, Jul 28, priced at $335 found 2 days ago
British Airways
Tue, Aug 12 - Mon, Aug 18
OPO
Porto
GLA
Glasgow
$338 Roundtrip, found 4 days ago
$338
Roundtrip
found 4 days ago
Select British Airways flight, departing Tue, Aug 12 from Porto to Glasgow, returning Mon, Aug 18, priced at $338 found 4 days ago
KLM
Thu, Oct 2 - Tue, Oct 7
OPO
Porto
GLA
Glasgow
$344 Roundtrip, found 19 hours ago
$344
Roundtrip
found 19 hours ago
Select KLM flight, departing Thu, Oct 2 from Porto to Glasgow, returning Tue, Oct 7, priced at $344 found 19 hours ago
British Airways
Fri, Sep 26 - Mon, Sep 29
OPO
Porto
GLA
Glasgow
$350 Roundtrip, found 6 days ago
$350
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Sep 26 from Porto to Glasgow, returning Mon, Sep 29, priced at $350 found 6 days ago
easyJet
Fri, Sep 26 - Mon, Sep 29
OPO
Porto
GLA
Glasgow
$375 Roundtrip, found 6 days ago
$375
Roundtrip
found 6 days ago
Select easyJet flight, departing Fri, Sep 26 from Porto to Glasgow, returning Mon, Sep 29, priced at $375 found 6 days ago
Lufthansa
Tue, May 12 - Thu, May 28
OPO
Porto
GLA
Glasgow
$384 Roundtrip, found 3 days ago
$384
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, May 12 from Porto to Glasgow, returning Thu, May 28, priced at $384 found 3 days ago
Iberia
Tue, May 12 - Thu, May 28
OPO
Porto
GLA
Glasgow
$650 Roundtrip, found 3 days ago
$650
Roundtrip
found 3 days ago
Select Iberia flight, departing Tue, May 12 from Porto to Glasgow, returning Thu, May 28, priced at $650 found 3 days ago
Flights from Porto (OPO) to Glasgow (GLA)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Glasgow Intl.
Airlines serving
British Airways, Lufthansa, easyJet
Roundtrip price
$306
Distance
1028 mi
Average flight time
2 hours 45 mins

Porto to Glasgow Flights

The cheapest times to fly from Porto to Glasgow

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Porto to Glasgow are during the month of August. You can find some of the cheapest flights from Porto to Glasgow with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto to Glasgow

Sunday is one of the best days to book for cheap flights from Porto to Glasgow: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Porto to Glasgow

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Porto to Glasgow in 2025. You can also book with separate airlines for your outbound and return journeys, from $89 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Porto to Glasgow flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Porto to Glasgow airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Glasgow Intl. Airport (GLA) cost?
Cheap round-trip fares from Dr. Francisco de Sa Carneiro Airport (OPO) to Glasgow Intl. Airport (GLA) start at $318. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a easyJet flight leaving OPO on July 14 2025 and touching down at GLA. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from OPO to GLA?
The cheapest flights from OPO to GLA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from OPO to GLA?
Jet off from OPO to GLA with easyJet. This carrier currently has the lowest one-way fare for this route, starting at $157. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from OPO on July 21 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Glasgow Intl. Airport (GLA)?
Direct flights from Dr. Francisco de Sa Carneiro Airport (OPO) to Glasgow Intl. Airport (GLA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from OPO to GLA?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Glasgow Intl. Airport (GLA)?
Book a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Glasgow Intl. Airport (GLA) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Glasgow from Dr. Francisco de Sa Carneiro Airport (OPO)?
If you're taking a direct flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Glasgow, Edinburgh Airport (EDI) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Dr. Francisco de Sa Carneiro Airport (OPO) to Glasgow Intl. Airport (GLA) last-minute?
Booking your flight from OPO to GLA shortly before your journey is generally more expensive. But if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book an OPO to GLA flight and hotel package?
Compared with arranging hotels and flights separately, booking an OPO to GLA flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Glasgow Intl. Airport (GLA)?
If you booked your OPO to GLA flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.