Cheap Flights from Glasgow to London

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Find the cheapest month or even day of the year to fly to London

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Flight deals from Glasgow to London

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

Find the cheapest month to fly from Glasgow to London

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

Direct flights from Glasgow to London

Alternative Glasgow to London routes

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

Glasgow to London: Flight information

The things to know before you go.
Cheapest flight found49 €
Cheapest month to flyAugust
Average flight time1 hr, 26 mins
Most popular airlineBritish Airways
Average flights per week7,472

Finding cheap flights from Glasgow 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 to London is 49 €. 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 to London.
British Airways, Qatar Airways and easyJet fly direct from Glasgow to London.
As of June 2025, there are 467 flights per week flying from Glasgow to London.
The cheapest month to fly from Glasgow to London is usually June 2025.
If you're flying from Glasgow, the cheapest airport near London is London Stansted – which is 48.6 km away from the centre of London. We've found flights into this airport from 49 €.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Glasgow to London on Thursday, 7 August 2025.
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 June, the average temperature is usually around 15°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.
The cheapest airline that flies to London is easyJet .

Travelling from Glasgow to London: what you need to know

  • Many great adventures kick off from Glasgow's main airport, Glasgow International Airport (GLA). Explore the options for booking a flight from Glasgow to London leaving from this base.

  • London Heathrow Airport (LHR) and London Gatwick Airport (LGW) are the major arrival points in London.

  • Hop on a direct Glasgow to London flight and you'll be flying for an average of 1 hour 25 minutes.

  • Glasgow and London are both in the UTC+0 timezone. This means you won't need to account for any time differences.

  • Glasgow International Airport (GLA) to London Heathrow Airport (LHR) is the most popular route between these two cities. There are 68 weekly flights to choose from. If you prefer starting your day later, the last flight from Glasgow to London is with British Airways at 20:30. Choose the first GLA to LHR departure operated by British Airways at 06:00 to fit in more activities on your first day in London.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your Glasgow to London flight.

  • You can expect longer lines during popular months like June. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a wise move.

How to find the cheapest flights from Glasgow to London

  • Book eight months before you want to fly. Pricing trends show that this is the ideal window for finding cheap Glasgow to London flights.

  • November is the best month for landing an incredible deal on a plane ticket from Glasgow to London. If you need to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Locking in a cheap flight from Glasgow to London is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a better deal is available.

  • Select your ideal departure and arrival times, number of stops and airlines by using the filters. Alternatively, sort your Glasgow to London flight results by 'Best,' 'Fastest' or 'Cheapest.'

Flying from Glasgow

Glasgow International Airport (GLA)

  • Depart from Glasgow International Airport (GLA) on a direct flight from Glasgow to London. You can land at these London airports from GLA:

    • London Heathrow Airport (LHR)

    • London Gatwick Airport (LGW)

    • Stansted Airport (STN)

  • Secure your Glasgow to London plane tickets with British Airways. This carrier is a top pick for direct flights from GLA.

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

  • Catching an early flight from Glasgow to London? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by choosing one of these hotels close to Glasgow International Airport:

  • 70.07% of flights leaving from Glasgow International Airport arrive at their destination on schedule.

Glasgow Prestwick Airport (PIK)

  • You can reach PIK from the centre of Glasgow in about 40 minutes by car, depending on traffic. The ride on public transport will take roughly 55 minutes to cover the 48 kilometres or so.

  • You're going on holiday, so why not spend an extra night away? Consider staying at one of these accommodation options near Glasgow Prestwick Airport the day before your flight from Glasgow to London:

  • 76.7% of flights out of Glasgow Prestwick Airport arrive according to schedule.

Arriving in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to central London takes about 55 minutes to reach by car. The centre is roughly 26 kilometres away.

  • Getting to the centre by public transport will take you roughly 1 hour.

  • Book a hotel close to LHR if you're coming in on a late flight from Glasgow to London. Check in to one of these accommodation options and avoid the hassle of a long transfer:

  • Go wherever you want, whenever you want with a London Heathrow Airport rental car. Pick up a set of wheels from Surprice, U-Save or Green Motion and discover more of London and beyond.

  • Lock in the best possible rate by reserving your vehicle from London Heathrow Airport about one week before your trip.

London Gatwick Airport (LGW)

  • London Gatwick Airport (LGW) is roughly 40 kilometres from central London. After your flight from Glasgow to London, it'll take you approximately 1 hour 20 minutes to get to the heart of the city in a ride-share or cab.

  • If you hop on public transport, the ride to the centre takes 30 minutes or so.

  • There are some comfortable places to call home for the night near LGW. Tuck yourself in after your Glasgow to London flight at any of these well-located options:

  • The fastest way to get to where you're going is with a London Gatwick Airport rental car. Collect a set of wheels from Green Motion, U-Save or Drivalia and hit the road in a heartbeat.

  • Get the pick of the lot. Booking your ride from LGW three weeks ahead of time often means more savings and a greater range of vehicles.

Stansted Airport (STN)

  • Step off your flight from Glasgow to London and head straight for your hotel or jump right into sightseeing. Central London is around 48 kilometres from Stansted Airport (STN) and typically takes 1 hour to drive there.

  • The journey will take about 1 hour 25 minutes using public transport.

  • Enjoy a more leisurely start to your break by staying at a hotel near STN after your Glasgow to London flight. Recover from a day of travel or just give yourself time to settle into a new destination at:

  • Whether you're searching for a budget-friendly compact for a solo escape or a spacious SUV to fit a group of friends, you'll find the right Stansted Airport rental car for you. Browse the range of wheels available from companies such as Green Motion, Drivalia and Europcar.

  • Around four weeks before your flight from Glasgow to London is a good time to secure your ride from STN. You're more likely to land a better deal or pick up some early bird promotions.

Best time to go to London

  • February is the quietest month for flights from Glasgow to London, while July is the busiest. Pick the ideal time to visit London based on whether you prefer a laid-back vibe or a lively atmosphere.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your Glasgow to London ticket then if that's your idea of comfortable weather.

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap flights from Glasgow to London around that time if you like cooler conditions.

More about London

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in London right here. Explore these hotels once you've locked in your flight from Glasgow to London:

  • Big Ben and The British Museum are just the start of the top attractions to put on your London travel itinerary. Keep the momentum going by heading to Buckingham Palace.

Explore more of United Kingdom

  • Birmingham is just one of the many cities in United Kingdom waiting to be discovered once you've seen London. Around 161 kilometres to the north-west, its top attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another sought-after destination in United Kingdom and is around 177 kilometres west of London. No trip is complete without experiencing 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.