฿3,475 Cheap Flights from Glasgow (GLA) to London (LHR)

View ฿3,475 flight on Sat, 2 Aug 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿3,475 for one-way flights and ฿5,095 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, 28 Aug - Mon, 1 Sep
GLA
Glasgow
LHR
London
฿5,095 Return, found 6 days ago
฿5,095
Return
found 6 days ago
Select British Airways flight, departing Thu, 28 Aug from Glasgow to London, returning Mon, 1 Sep, priced at ฿5,095 found 6 days ago
British Airways
Fri, 8 Aug - Sat, 23 Aug
GLA
Glasgow
LHR
London
฿5,105 Return, found 6 days ago
฿5,105
Return
found 6 days ago
Select British Airways flight, departing Fri, 8 Aug from Glasgow to London, returning Sat, 23 Aug, priced at ฿5,105 found 6 days ago
British Airways
Thu, 28 Aug - Mon, 15 Sep
GLA
Glasgow
LHR
London
฿5,315 Return, found 6 days ago
฿5,315
Return
found 6 days ago
Select British Airways flight, departing Thu, 28 Aug from Glasgow to London, returning Mon, 15 Sep, priced at ฿5,315 found 6 days ago
British Airways
Fri, 8 Aug - Sun, 24 Aug
GLA
Glasgow
LHR
London
฿5,325 Return, found 6 days ago
฿5,325
Return
found 6 days ago
Select British Airways flight, departing Fri, 8 Aug from Glasgow to London, returning Sun, 24 Aug, priced at ฿5,325 found 6 days ago
British Airways
Tue, 18 Nov - Tue, 25 Nov
GLA
Glasgow
LHR
London
฿5,340 Return, found 1 day ago
฿5,340
Return
found 1 day ago
Select British Airways flight, departing Tue, 18 Nov from Glasgow to London, returning Tue, 25 Nov, priced at ฿5,340 found 1 day ago
British Airways
Fri, 12 Sep - Mon, 29 Sep
GLA
Glasgow
LHR
London
฿5,530 Return, found 6 days ago
฿5,530
Return
found 6 days ago
Select British Airways flight, departing Fri, 12 Sep from Glasgow to London, returning Mon, 29 Sep, priced at ฿5,530 found 6 days ago
British Airways
Fri, 15 Aug - Sat, 30 Aug
GLA
Glasgow
LHR
London
฿5,545 Return, found 6 days ago
฿5,545
Return
found 6 days ago
Select British Airways flight, departing Fri, 15 Aug from Glasgow to London, returning Sat, 30 Aug, priced at ฿5,545 found 6 days ago
British Airways
Mon, 15 Sep - Sun, 28 Sep
GLA
Glasgow
LHR
London
฿5,620 Return, found 6 days ago
฿5,620
Return
found 6 days ago
Select British Airways flight, departing Mon, 15 Sep from Glasgow to London, returning Sun, 28 Sep, priced at ฿5,620 found 6 days ago
British Airways
Fri, 8 Aug - Thu, 28 Aug
GLA
Glasgow
LHR
London
฿5,630 Return, found 6 days ago
฿5,630
Return
found 6 days ago
Select British Airways flight, departing Fri, 8 Aug from Glasgow to London, returning Thu, 28 Aug, priced at ฿5,630 found 6 days ago
British Airways
Tue, 18 Nov - Tue, 25 Nov
GLA
Glasgow
LHR
London
฿5,650 Return, found 1 day ago
฿5,650
Return
found 1 day ago
Select British Airways flight, departing Tue, 18 Nov from Glasgow to London, returning Tue, 25 Nov, priced at ฿5,650 found 1 day ago

Find the cheapest month to fly from Glasgow (GLA) to London (LHR)

February is typically the cheapest month to fly

From ฿2,567 - ฿8,410 per traveller.

Graph displaying average flight prices per month

Flight from Glasgow to London route information
Origin airport
Glasgow Intl.
Destination airport
Heathrow
Airlines serving
British Airways
Return price
฿4,960
Distance
551 km
Average flight time
1 hour 26 mins

Perfect flights from Glasgow to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Glasgow to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of London, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Glasgow Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from ฿3,475 and roundtrip prices from ฿5,095. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore London and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your GLA to LHR travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from Glasgow Intl. Airport (GLA) to LHR?
If you're travelling between Glasgow Intl. Airport (GLA) and Heathrow Airport, round-trip journeys start from ฿5,095. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from GLA to LHR?
The majority of flights can be cancelled online, but whether or not you are charged a fee all comes down to your airline. If you do need to cancel your holiday, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Glasgow Airport to LHR that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Glasgow Airport to LHR flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR)?
It only takes about 1 hour and 27 minutes to jet from Glasgow Airport to London Heathrow — just enough time for a quick snooze. You'll be landing in Hounslow by the time you wake up.
How far is the flight from Glasgow Airport to Heathrow Airport (LHR)?
The flight distance from GLA (GLA) to Heathrow Airport (LHR) (LHR) is just 560 kilometres. You'll be walking down the air bridge and picking up your bags from the carousel in no time at all.
Which airlines fly direct from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR)?
If you want to fly straight from Glasgow Airport to Heathrow Airport (LHR), British Airways (BA) is a top choice. It operates 230 monthly flights between Paisley and Hounslow.
Are Glasgow Airport to London Heathrow flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Glasgow Airport to Heathrow Airport (LHR) at the last minute could be your ticket to a great deal. However, it could end up costing you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

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