Cheap flights from Glasgow to London

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      Compare Glasgow to London flight deals

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

      Book the best London fare with no extra fees

      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 October.

      Glasgow to London: Flight information

      The things to know before you go.
      Cheapest flight found$1,185
      Cheapest month to flyOctober

      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 round-trip flight from Glasgow to London is $1,185. 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.
      Currently, there are no airlines that fly direct from Glasgow to London. But we found flights with one or more stops from $1,185.
      There are no flights flying from Glasgow to London, as of September 2026.
      The cheapest month to fly from Glasgow to London is usually October.
      If you're flying from Glasgow Airport, the cheapest airport near London is London Heathrow – which is 22.9 km away from the center of London. We've found flights to this airport from $1,185.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Glasgow Airport to London on Thursday, October 1, 2026.
      No airlines currently offer direct flights between Glasgow Airport and London. Most routes have one or more stops.
      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 September, the average temperature is usually around 16°C. July is typically the warmest month in London, when it usually averages around 23°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging 2°C. The rainiest month is October.
      Currently, Cape Air offers the cheapest flight tickets to London.

      Traveling from Glasgow International Airport (GGW) to London: what you need to know

      • The timezone in London is UTC+0. The city is six hours ahead of Glasgow, where Glasgow International Airport is located.

      • Give yourself enough time to get on your GGW to London flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

      • Delays at security and check-in are more likely if you're traveling during high season, so give yourself a bit more breathing room. A good general rule for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

      • GGW is around 2 kilometers from central Glasgow. If you're driving, ride-sharing or catching a cab from the center, it'll take 5 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be around 25 minutes.

      • Searching for a place to stay before your flight from Glasgow International Airport to London? Consider Campbell Lodge. Enjoy a good night's rest here before making your way to GGW.

      • 58.82% of flights leaving from Glasgow International Airport touch down at their destination on time.

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

      • $477 is the cheapest price we've seen for a one-way Glasgow International Airport to London flight. A round-trip ticket right now is $1,185. Depending on how early you book and the availability, these fares may change.

      • Booking ahead of time is often the key to locking in a cheap flight from GGW to London. Prices tend to rise as demand increases, so the nearer your departure date, the more you'll likely spend.

      • Scoring cheap tickets from Glasgow International Airport to London is easier if you can be flexible with your travel plans. Use the 'Whole month' function to get the lowest fares across the month and bag a fantastic deal.

      • Spend less time searching for cheap flights from GGW to London by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

      • Select your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Glasgow International Airport to London by 'Cheapest,' 'Fastest' or 'Best.'

      Airports in London

      London Heathrow Airport (LHR)

      • London Heathrow Airport (LHR) to central London takes about 55 minutes to reach by car. The center is roughly 31 kilometers away.

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

      • If you have a late flight from Glasgow International Airport to London, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and snoozing not long after at one of these hotels near LHR:

      • Follow your own route with a London Heathrow Airport rental car. Book your wheels from Surprice, U-Save or Green Motion and chase adventure across London and beyond.

      • To get the lowest price, book your ride from London Heathrow Airport around one week in advance of your flight from GGW to London.

      London Gatwick Airport (LGW)

      • The center of London is located around 80 kilometers from London Gatwick Airport (LGW). Once your flight from Glasgow International Airport to London has landed and you've made your way to arrivals, the drive should be around 1 hour 20 minutes.

      • If you travel by public transport, you'll reach the center in 30 minutes or so.

      • Hang the 'Do not disturb' sign on your door and rest at a hotel close to LGW. Here are a few options where you can put your feet up after your GGW to London flight:

      • The quickest way to reach your destination is with a London Gatwick Airport rental car. Pick up your wheels from Green Motion, U-Save or Drivalia and hit the road in a heartbeat.

      • Get the lowest price by reserving your ride from LGW three weeks ahead of time. You can also expect to have a greater range of vehicles.

      Stansted Airport (STN)

      • Stansted Airport (STN) is about 64 kilometers from central London. It takes about 1 hour to reach the city center by car after your flight from Glasgow International Airport to London.

      • The journey will take you around 1 hour 25 minutes if you use public transport.

      • Choose a hotel near STN and go from the runway to resting in a snap. Whether you're coming in on a late GGW to London flight or just want to simplify your travel plans, these accommodation options are all about convenience:

      • Take the guesswork out of the next part of your trip by picking up a Stansted Airport rental car. Green Motion, Drivalia and Europcar are reliable rental providers.

      • About four weeks ahead of your flight from Glasgow International Airport to London is the ideal time to secure your ride from STN. You're more likely to lock in a better rate or pick up some early bird promotions.

      Best time to go to London

      • Travel to London in high season if you prefer a busy atmosphere, but remember that prices are typically higher. Alternatively, book flights from Glasgow International Airport to London during the off-season when prices are cheaper and it's quieter.

      • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your Glasgow International Airport to London flight ticket then if that's your definition of good weather.

      • Search for cheap tickets from GGW to London in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

      More about London

      • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in London right here. Check out these options once you've locked in your flight from Glasgow International Airport to London:

      • There are so many things to explore in this city it can be tricky to work out where to begin. The British Museum, Big Ben and Buckingham Palace are leading attractions which should be on any good London itinerary.

      Explore more of United Kingdom

      • You've seen London, now it's time to explore more of United Kingdom. Travel about 161 kilometers north-west to Birmingham to tick off its top sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you busy.

      • Around 177 kilometers west of London, Bristol is another favorite stop in United Kingdom. Experience this destination's highlights firsthand at Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.