$139 Cheap Flights from Glasgow (GLA) to Lisbon (LIS)

View $139 flight on Wed, Oct 29, 2025Opens in a new window

Popular airlines from Glasgow International Airport (GLA) to Humberto Delgado Airport (LIS)

Cheap Flights from Glasgow to Lisbon (GLA-LIS)

Prices were available within the past 7 days and start at $139 for one-way flights and $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, Nov 21 - Tue, Nov 25
GLA
Glasgow
LIS
Lisbon
$256 Roundtrip, found 6 hours ago
$256
Roundtrip
found 6 hours ago
Select British Airways flight, departing Fri, Nov 21 from Glasgow to Lisbon, returning Tue, Nov 25, priced at $256 found 6 hours ago
British Airways
Mon, Dec 1 - Mon, Dec 8
GLA
Glasgow
LIS
Lisbon
$258 Roundtrip, found 3 days ago
$258
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Dec 1 from Glasgow to Lisbon, returning Mon, Dec 8, priced at $258 found 3 days ago
British Airways
Mon, Jan 5 - Fri, Feb 6
GLA
Glasgow
LIS
Lisbon
$260 Roundtrip, found 6 days ago
$260
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Jan 5 from Glasgow to Lisbon, returning Fri, Feb 6, priced at $260 found 6 days ago
British Airways
Mon, Dec 1 - Mon, Dec 8
GLA
Glasgow
LIS
Lisbon
$267 Roundtrip, found 3 days ago
$267
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Dec 1 from Glasgow to Lisbon, returning Mon, Dec 8, priced at $267 found 3 days ago
British Airways
Sun, Dec 7 - Sun, Dec 14
GLA
Glasgow
LIS
Lisbon
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Dec 7 from Glasgow to Lisbon, returning Sun, Dec 14, priced at $269 found 3 days ago
British Airways
Mon, Jan 5 - Fri, Feb 6
GLA
Glasgow
LIS
Lisbon
$272 Roundtrip, found 6 days ago
$272
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Jan 5 from Glasgow to Lisbon, returning Fri, Feb 6, priced at $272 found 6 days ago
KLM
Sun, Jan 4 - Fri, Jan 9
GLA
Glasgow
LIS
Lisbon
$321 Roundtrip, found 2 days ago
$321
Roundtrip
found 2 days ago
Select KLM flight, departing Sun, Jan 4 from Glasgow to Lisbon, returning Fri, Jan 9, priced at $321 found 2 days ago
Lufthansa
Fri, Nov 21 - Tue, Nov 25
GLA
Glasgow
LIS
Lisbon
$389 Roundtrip, found 6 hours ago
$389
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Fri, Nov 21 from Glasgow to Lisbon, returning Tue, Nov 25, priced at $389 found 6 hours ago
Aer Lingus
Mon, Dec 1 - Mon, Dec 8
GLA
Glasgow
LIS
Lisbon
$422 Roundtrip, found 3 days ago
$422
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Mon, Dec 1 from Glasgow to Lisbon, returning Mon, Dec 8, priced at $422 found 3 days ago
Air France
Mon, Dec 1 - Mon, Dec 8
GLA
Glasgow
LIS
Lisbon
$454 Roundtrip, found 3 days ago
$454
Roundtrip
found 3 days ago
Select Air France flight, departing Mon, Dec 1 from Glasgow to Lisbon, returning Mon, Dec 8, priced at $454 found 3 days ago

Find the cheapest month to fly from Glasgow (GLA) to Lisbon (LIS)

February is typically the cheapest month to fly

From $182 - $308 per traveler.

Frequently asked questions

How much does a flight from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS) cost?
Snag a cheap one-way flight from $139 or cheap return flight from $256 from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS)?
November is the least expensive month to fly from GLA to LIS. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest GLA to LIS flight.
How many flights per day from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS)?
You'll have to take a flight with a layover when traveling from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from GLA to LIS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be 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 airline has the least delays from GLA to LIS?
Consider traveling with easyJet if you'd like to fly straight from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS) without any interruptions. This carrier has the strongest track record for punctuality, with an on-time score of 88%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS)?
Opt for a flight from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS) last-minute?
Last-minute bookings from GLA to LIS are typically more expensive. For the lowest rates, start looking for flights ahead of time. That said, if you can play around with your travel dates, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a GLA to LIS flight and hotel package?
You'll generally save money by securing a GLA to LIS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Glasgow Intl. Airport (GLA) to Humberto Delgado Airport (LIS)?
If you reserved your GLA to LIS flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Glasgow Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, British Airways, Lufthansa
Roundtrip price
$256
Distance
1200 mi

Book with confidence

Glasgow to Lisbon Flights

The cheapest times to fly from Glasgow to Lisbon

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 Glasgow to Lisbon are during the month of November. You can find some of the cheapest flights from Glasgow to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Glasgow to Lisbon

Sunday is one of the best days to book for cheap flights from Glasgow to Lisbon: 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 Glasgow to Lisbon

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 Glasgow to Lisbon in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 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 Glasgow to Lisbon 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 Glasgow to Lisbon 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.

 

Glasgow to Lisbon Flights

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*Available to One Key members.