$42 Cheap Flights from London (LHR) to Glasgow (GLA)

Popular airlines from Heathrow Airport (LHR) to Glasgow International Airport (GLA)

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Find available prices by choosing your travel dates.

Cheap Flights from London to Glasgow (LHR-GLA)

Prices were available within the past 7 days and start at $42 for one-way flights and $76 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
British Airways
British Airways
British Airways
British Airways
British Airways
British Airways
British Airways
British Airways
British Airways
Flights from London (LHR) to Glasgow (GLA)
Origin airport
Heathrow
Destination airport
Glasgow Intl.
Airlines serving
British Airways
Roundtrip price
$76
Distance
344 mi

London to Glasgow Flights

The cheapest times to fly from London 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 London to Glasgow are during the month of October. You can find some of the cheapest flights from London to Glasgow with Expedia's search tool and vast selection of airlines.

The best time to book a flight from London to Glasgow

Sunday is one of the best days to book for cheap flights from London 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 London 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 London to Glasgow in 2025. You can also book with separate airlines for your outbound and return journeys, from $42 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 London 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 London 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 Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA) cost?
Find affordable return tickets from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA) starting at $89. Book your seat and be on your way. 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 British Airways and easyJet flight leaving LHR on May 6 2025 and touching down at GLA. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from LHR to GLA?
The cheapest flights from LHR 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.
Which airlines fly direct from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA)?
Board a direct flight with British Airways and fly straight from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA).
What is the cheapest airline that flies from LHR to GLA?
Journey from LHR to GLA with British Airways. This airline currently has the cheapest one-way fare for this route, starting at $51. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LHR on May 27 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA)?
When jetting out of Heathrow Airport (LHR), you can take your pick from an average of 11 daily nonstop flights to Glasgow Intl. Airport (GLA).
What are the most popular departure times for flights from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA)?
More travelers fly between LHR and GLA at 6 PM than at any other time. Looking to skip the crowds? Travel outside of rush hours and there’s a chance you’ll save on your ticket as well.
What day of the week has the most flights from LHR to GLA?
Wednesday has the most flights from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA). Consider jetting off on this day and you’ll have the best chance of finding a schedule that works for you.
What is the earliest flight from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA)?
The first flight of the day leaving from Heathrow Airport (LHR) is at around 6:05AM UTC+0. Board this plane and you’ll reach Glasgow Intl. Airport (GLA) at approximately 7:30AM UTC+0. The entire trip takes 1h 25m.
How long does it take to fly from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA)?
Flights from LHR to GLA have an average travel time of 1 hour and 28 minutes. The total distance between these two airports is 340 mi.
What airline has the least delays from LHR to GLA?
With 100% of journeys typically landing on schedule, China Southern Airlines has the best on-time performance for nonstop flights from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA). To keep track of your flight status and get notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA)?
To avoid possible delays on the Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA) route, fly before 3 PM. Flights after this time have a 22% higher chance of being 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.
What airports do you fly into for Glasgow from Heathrow Airport (LHR)?
If you’re taking a direct flight from Heathrow Airport (LHR) to Glasgow, you’ll come into land at either Edinburgh Airport (EDI) or Glasgow Intl. Airport (GLA).
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA) last-minute?
Booking your ticket from LHR to GLA shortly before your getaway is generally more expensive. However, if you’re flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a LHR to GLA flight and hotel package?
You can save money by securing a LHR to GLA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one place. After selecting your preferred flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Glasgow Intl. Airport (GLA)?
It’s usually possible to reschedule or cancel your LHR to GLA flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more information on our Customer Service portal.

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