Cheapflights Tip: The best prices from Glasgow to London are usually found in September or April, booked 48 days in advance, depart on a Friday or Saturday and return on a Thursday
Find flight deals from Glasgow to London
Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 October 2026.
Popular in
December
Cheapest in
September
Average price
£71
Highest demand for flights based on searches. 9% potential increase in price (£5 potential increase over avg. return price).
Have a flexible travel schedule? Discover the best time to fly to London from Glasgow with our price prediction graph.
GG1-LON
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Glasgow to London
Prices
Delays
How far ahead should I book a flight from Glasgow to London?
To ensure you get the cheapest price possible for a flight from Glasgow to London, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Glasgow to London?
Currently, September is the cheapest month in which you can book a flight from Glasgow to London (average of £85). Flying from Glasgow to London in June is currently the most expensive (average of £110). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from GLA to LON?
Find hourly flight availability from Glasgow to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 October 2026.
When flying from Glasgow to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight in the morning.
What is the cheapest day to fly from Glasgow to London?
Use this chart to determine the cheapest time to fly return from Glasgow to London. Price data was last updated on 10 October 2026.
Travellers seeking maximum savings on their Glasgow to London flight should consider departing on Friday at midday when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Glasgow to London delayed?
About 12% of weekly flights between Glasgow and London have experienced delays in the past year, with the average delay time being 104 minutes.
What is the most punctual flight time for Glasgow to London flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Glasgow to London flights?
Over the past year, British Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 14 October 2026.
Check out reviews from past customers who have flown with easyJet,British Airways, andRyanair from Glasgow to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
Related info for your journey
Find useful and relevant information for your journey from Glasgow to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What are the cheapest airlines flying from Glasgow to London round-trip?
According to our current data, easyJet (£18), Ryanair (£27), and British Airways (£97) offers the cheapest pricing from Glasgow to London. easyJet is 73% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Glasgow to London one-way?
One-way options have recently been found by users for as low as £15 on Ryanair. Other airlines that offer cheap prices include easyJet from £15 and British Airways from £63 one-way.
What are the most popular routes from Glasgow to London?
The most popular flight routes from Glasgow to London are Glasgow Intl - London Stansted, Glasgow Intl - London Gatwick and Glasgow Intl - London Luton.
What are the most reliable airlines from Glasgow to London?
The top 3 most reliable airlines when flying from Glasgow to London are American Airlines (84%), British Airways (81%) and Royal Air Maroc (81%).
What are the cheapest flights from Glasgow to London?
Looking for the cheapest flight from Glasgow to London? While on average our users pay £778, our data indicates the cheapest price to be £92. The most popular route (Glasgow Intl - London Stansted), is priced around £30.
Can I find deals for business class flights from Glasgow to London?
Yes. Cheapflights offers flight deals from Glasgow to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Glasgow to London?
Currently, September is the cheapest month in which you can book a flight from Glasgow to London (average of £85). Flying from Glasgow to London in June is currently the most expensive (average of £110). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 October 2026.
Discover the top 4 airlines that operate flights from Glasgow to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 14 October 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Glasgow to London?
Deals for Glasgow to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Glasgow to London?
Cheapflights simply makes it quick and affordable to book flights from Glasgow to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Glasgow to London with no change fees?
Yes, we can. To see specific flights from Glasgow to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Glasgow to London become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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