$75 Cheap Flights from Glasgow (GLA) to London (LHR)

View $75 flight on Tue, Aug 19, 2025Opens in a new window

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

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Cheap Flights from Glasgow to London (GLA-LHR)

Prices were available within the past 7 days and start at $75 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Aug 6 - Tue, Aug 12
GLA
Glasgow
LHR
London
$120 Roundtrip, just found
$120
Roundtrip
just found
Select British Airways flight, departing Wed, Aug 6 from Glasgow to London, returning Tue, Aug 12, priced at $120 just found
British Airways
Fri, Nov 14 - Fri, Nov 21
GLA
Glasgow
LHR
London
$122 Roundtrip, found 5 days ago
$122
Roundtrip
found 5 days ago
Select British Airways flight, departing Fri, Nov 14 from Glasgow to London, returning Fri, Nov 21, priced at $122 found 5 days ago
British Airways
Sat, Dec 6 - Mon, Dec 8
GLA
Glasgow
LHR
London
$122 Roundtrip, found 1 day ago
$122
Roundtrip
found 1 day ago
Select British Airways flight, departing Sat, Dec 6 from Glasgow to London, returning Mon, Dec 8, priced at $122 found 1 day ago
British Airways
Sat, Apr 25 - Mon, May 4
GLA
Glasgow
LHR
London
$125 Roundtrip, found 5 days ago
$125
Roundtrip
found 5 days ago
Select British Airways flight, departing Sat, Apr 25 from Glasgow to London, returning Mon, May 4, priced at $125 found 5 days ago
British Airways
Sat, Nov 8 - Sun, Nov 9
GLA
Glasgow
LHR
London
$129 Roundtrip, found 1 day ago
$129
Roundtrip
found 1 day ago
Select British Airways flight, departing Sat, Nov 8 from Glasgow to London, returning Sun, Nov 9, priced at $129 found 1 day ago
British Airways
Wed, Aug 6 - Tue, Aug 12
GLA
Glasgow
LHR
London
$134 Roundtrip, just found
$134
Roundtrip
just found
Select British Airways flight, departing Wed, Aug 6 from Glasgow to London, returning Tue, Aug 12, priced at $134 just found
British Airways
Sat, Nov 8 - Sun, Nov 9
GLA
Glasgow
LHR
London
$135 Roundtrip, found 1 day ago
$135
Roundtrip
found 1 day ago
Select British Airways flight, departing Sat, Nov 8 from Glasgow to London, returning Sun, Nov 9, priced at $135 found 1 day ago
British Airways
Wed, Aug 27 - Sat, Aug 30
GLA
Glasgow
LHR
London
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Aug 27 from Glasgow to London, returning Sat, Aug 30, priced at $137 found 1 day ago
British Airways
Sat, Dec 6 - Mon, Dec 8
GLA
Glasgow
LHR
London
$138 Roundtrip, found 1 day ago
$138
Roundtrip
found 1 day ago
Select British Airways flight, departing Sat, Dec 6 from Glasgow to London, returning Mon, Dec 8, priced at $138 found 1 day ago
British Airways
Sun, Aug 17 - Tue, Aug 19
GLA
Glasgow
LHR
London
$139 Roundtrip, just found
$139
Roundtrip
just found
Select British Airways flight, departing Sun, Aug 17 from Glasgow to London, returning Tue, Aug 19, priced at $139 just found

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

February is typically the cheapest month to fly

From $79 - $258 per traveler.

Graph displaying average flight prices per month

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $175
LGW
Gatwick
Average driving time to city center52 min
Flights from $175
Select flight to Luton LTN. Average driving time to city center is 45 minutes. Flights from $136
LTN
Luton
Average driving time to city center45 min
Flights from $136
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $256
LCY
London City
Closest
Average driving time to city center21 min
Flights from $256
Flights from Glasgow (GLA) to London (LHR)
Origin airport
Glasgow Intl.
Destination airport
Heathrow
Airlines serving
British Airways
Roundtrip price
$116
Distance
344 mi
Average flight time
1 hour 25 mins

Glasgow to London Flights

The cheapest times to fly from Glasgow to London

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

 

The best time to book a flight from Glasgow to London

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

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 London in 2025. You can also book with separate airlines for your outbound and return journeys, from $75 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 London 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 London 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 Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR) cost?
Cheap return fares from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR) start at $120. 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 flight leaving GLA on August 19 2025 and touching down at LHR. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from GLA to LHR?
The cheapest flights from GLA to LHR 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 Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR)?
If you're departing from Glasgow Intl. Airport (GLA), you can get on a direct flight to Heathrow Airport (LHR) with British Airways.
What is the cheapest airline that flies from GLA to LHR?
With prices starting from $77 for a one-way flight from GLA to LHR, British Airways is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GLA on August 20 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR)?
When flying out of Glasgow Intl. Airport (GLA), you can choose from an average of 11 daily nonstop flights to Heathrow Airport (LHR).
What are the most popular departure times for flights from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR)?
The 12 PM departures from GLA to LHR see the highest demand. Greater demand means you'll likely pay more for these departures. If you're looking to save, book during off-peak hours.
What day of the week has the most flights from GLA to LHR?
If you depart on a Wednesday, you'll get the largest range of options for flights from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR).
What is the earliest flight from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR)?
Glasgow Intl. Airport (GLA)'s earliest flight to Heathrow Airport (LHR) departs at approximately 5:55AM UTC+0. With a total journey time of 1h 35m, you'll touch down at around 7:30AM UTC+0.
How long does it take to fly from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR)?
It usually takes 1 hour and 30 minutes to travel the 340 mi from GLA to LHR.
What airline has the least delays from GLA to LHR?
With 83% of journeys usually arriving on time, China Southern Airlines has the best on-time performance for nonstop flights from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR). To monitor your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR)?
To reach Heathrow Airport (LHR) on schedule, pick a flight that leaves Glasgow Intl. Airport (GLA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 London from Glasgow Intl. Airport (GLA)?
Touch down at any of these London airports following your direct flight from Glasgow Intl. Airport (GLA):

  • Heathrow Airport (LHR)
  • Gatwick Airport (LGW)
  • Stansted Airport (STN)
  • London City Airport (LCY)
  • Luton Airport (LTN)

Is it cheaper to buy a plane ticket from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR) last-minute?
Holding off until right before your break to book a flight from GLA to LHR often results in higher prices. While it's possible to find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a GLA to LHR flight and hotel package?
You can save money by securing a GLA to LHR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Glasgow Intl. Airport (GLA) to Heathrow Airport (LHR)?
In most cases, you can reschedule or cancel your GLA to LHR flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further information, visit our Customer Service portal.

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London nearby Airports

London

Glasgow to Stansted
$88.80
Glasgow to Luton
$91.97
Glasgow to Gatwick
$97.21
Glasgow to London City
$188.60
Glasgow nearby Airports

Edinburgh

Edinburgh to London
$120.70
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