Cheap Flights from Glasgow Intl to London

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Flight deals from Glasgow Intl to London

Looking for a cheap last-minute deal or the best return flight from Glasgow Intl to London? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Glasgow Intl to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Glasgow Intl to London flights are currently cheapest in January.

Direct flights from Glasgow Intl to London

Alternative Glasgow Intl to London routes

Looking for the cheapest, fastest or easiest route from Glasgow Intl to London? You could fly into the following airports instead.

Glasgow to London: Flight information

The things to know before you go.
Cheapest flight found$88
Cheapest month to flyJanuary
Average flight time1 hr, 25 mins
Most popular airlineBritish Airways
Average flights per week626

Finding cheap flights from Glasgow Intl to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Glasgow Intl to London is $88. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 25 minutes is the average flight time from Glasgow Intl to London.
British Airways, Qatar Airways and easyJet fly direct from Glasgow Intl to London.
As of December 2025, there are 677 flights per week flying from Glasgow Intl to London.
The cheapest month to fly from Glasgow Intl to London is usually January.
If you're flying from Glasgow Intl Airport, the cheapest airport near London is London Luton – which is 44.6 km away from the centre of London. We've found flights into this airport from $88.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Glasgow Intl Airport to London on Friday, 9 January 2026.
Yes – the average flight time is 1 hour and 25 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
In December, the average temperature is usually around 5°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, easyJet offers the cheapest flight tickets to London.

Flying from Glasgow International Airport (GLA) to London: what you need to know

  • Expect to be travelling for 1 hour 25 minutes. On average, that's the duration of a direct flight from Glasgow International Airport to London.

  • London's timezone is UTC+0, which is the same as Glasgow (the location of Glasgow International Airport).

  • With 68 flights a week between the two airports, Glasgow International Airport (GLA) to London Heathrow Airport (LHR) is the most popular route. British Airways operates the earliest flight at 05:50. If you're eager to get more out of your day before leaving, the last departure from GLA to LHR is with British Airways at 21:20.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your GLA to London flight.

  • Delays at check-in and security are more likely if you're jetting off during high season, so allow a little extra breathing room. A good rule of thumb for peak times? Arrive up to four hours ahead for international flights and two hours for domestic departures.

  • You can book a direct Glasgow International Airport to London ticket. Head out from GLA and then arrive at one of these London airports:

    • London Heathrow Airport (LHR)

    • London Gatwick Airport (LGW)

    • Stansted Airport (STN)

    • London Luton Airport (LTN)

    • London City Airport (LCY)

  • Look out for offers from British Airways. This airline has direct flights from Glasgow International Airport to London.

  • Located around 11 kilometres from the centre of Glasgow, GLA can be reached in about 15 minutes by car (depending on traffic). Travelling on public transport takes roughly 35 minutes.

  • Booked an early flight from Glasgow International Airport to London? Avoid the hassle of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays near GLA:

  • 70.07% of flights that depart Glasgow International Airport touch down at their destination on time.

How to find the cheapest flights from Glasgow International Airport (GLA) to London

  • The lowest price we've found for a one-way Glasgow International Airport to London flight is $35. The cheapest price for a return flight is $88. Keep in mind fares can change due to demand at the time of booking.

  • Book seven months before travelling. Research on pricing trends suggests this is the ideal window for finding cheap flights from GLA to London.

  • Organise your trip for November. That's the best month for landing the biggest deals on Glasgow International Airport to London tickets. If your travel dates are flexible, use the 'Whole month' tool to access the cheapest price across every month.

  • Snapping up a cheap flight from GLA to London is easy with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know as soon as a deal gets even better.

  • Tailor your flights with filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Glasgow International Airport to London.

Airports in London

London Heathrow Airport (LHR)

  • The distance from London Heathrow Airport (LHR) to central London is roughly 31 kilometres. It takes about 55 minutes to reach the centre driving.

  • If you're using public transport, expect a journey time of around 1 hour.

  • The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Glasgow International Airport to London. Stay at one of these accommodation options near LHR instead:

  • Follow your own route with a London Heathrow Airport rental car. Pick up your wheels from Surprice, U-Save or Green Motion and see more of London and beyond.

  • Lock in the best rate by booking your vehicle from London Heathrow Airport around one week before your flight from GLA to London.

London Gatwick Airport (LGW)

  • After your flight from Glasgow International Airport to London has arrived, you can make your way to the city centre in around 1 hour 20 minutes by car. Central London is roughly 80 kilometres from London Gatwick Airport (LGW).

  • The journey will take roughly 30 minutes on public transport.

  • There are some great places to park your luggage (and yourself) near LGW. Tuck yourself in and get cosy after your GLA to London flight at any of these perfectly located options:

  • Green Motion, U-Save and Drivalia make picking up a London Gatwick Airport rental car quick and easy. These reliable suppliers are located in or around the terminal and will have you behind the wheel before you know it.

  • Get first dibs on the best options. Booking your ride from LGW three weeks ahead of time often means more savings and a wider choice of vehicles.

Stansted Airport (STN)

  • Step off your flight from Glasgow International Airport to London and head for your hotel or jump right into sightseeing. The centre of London is around 64 kilometres from Stansted Airport (STN) and usually takes 1 hour to drive there.

  • The journey takes roughly 1 hour 25 minutes by public transport.

  • Choose a hotel near STN and get from baggage claim to your bed in a snap. Whether you have a late GLA to London flight or just want to simplify your travel plans, these accommodation options will have you settling in quickly:

  • Whether you'd like a zippy compact for a solo adventure or an SUV to fit the whole crew comfortably, you'll find the right Stansted Airport rental car for you. Browse the types of wheels available here from providers such as Green Motion, Drivalia and Europcar.

  • If you're after a vehicle with specific features, book your ride from STN about four weeks ahead of your flight from Glasgow International Airport to London. This gives you a higher chance of getting your preferred car, as well as a better deal.

Best time to go to London

  • Before locking in your flights from Glasgow International Airport to London, consider which time of year works best for you. High season in London offers a bustling atmosphere and plenty of activities, while the low season means you'll get better deals on hotels and smaller crowds.

  • Book a Glasgow International Airport to London flight ticket with a departure in July if you're eager to visit the city during its warmest month. Expect temperatures to range from 11ºC to 26ºC.

  • January has average temperatures of between 0ºC and 9ºC. Search for a cheap ticket from GLA to London around that time if you want to travel in cooler conditions.

More about London

Explore more of United Kingdom

  • You've done London, now it's time to discover more of United Kingdom. Travel around 161 kilometres north-west to Birmingham to check off its top attractions. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you busy.

  • Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. Experience major highlights starting with Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.