Cheap Flights from Glasgow to London Heathrow

Compare Glasgow to London Heathrow flight deals

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

Book the best London Heathrow fare with no extra fees

Flight deals from Glasgow to London Heathrow

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

Find the cheapest month to fly from Glasgow to London Heathrow

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

Direct flights from Glasgow to London Heathrow

Glasgow to London Heathrow: Alternative routes

Compare routes from Glasgow to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Glasgow to London: Flight information

The things to know before you go.
Cheapest flight foundRs20,137
Cheapest month to flyAugust
Average flight time1 hr, 29 mins
Most popular airlineQatar Airways
Average flights per week370

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

The best price we found for a return flight from Glasgow to London Heathrow is Rs31,945. 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 29 minutes is the average flight time from Glasgow to London Heathrow.
Qatar Airways, British Airways and American Airlines fly direct from Glasgow to London Heathrow.
As of July 2025, there are 1,110 flights per week flying from Glasgow to London Heathrow.
The cheapest month to fly from Glasgow to London Heathrow is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Glasgow to London Heathrow Airport on Tuesday, 5 August 2025.
Yes – the average flight time is 1 hour and 29 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 Heathrow 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.
The cheapest airline that flies to London Heathrow is British Airways .

Travelling from Glasgow to London Heathrow Airport (LHR): What you need to know

  • Glasgow's main airport is Glasgow International Airport (GLA). Check out your options for departing from this terminal when booking flights from Glasgow to London Heathrow Airport (LHR).

  • Hop on a direct Glasgow to London Heathrow Airport flight and you'll be in the air for around 1 hour 30 minutes.

  • London (where London Heathrow Airport is located) and Glasgow share the UTC+0 timezone. Easily coordinate travel plans without worrying about time differences.

  • With 68 direct 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 5:50am. If you're eager to make the most of your day before you fly, the last flight from GLA to LHR is with British Airways at 9:20pm.

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

  • With more travellers during peak seasons, it's smart to be at your terminal even earlier. Two hours for domestic flights and up to four for international trips will allow for additional wait times.

Airports in Glasgow

Glasgow International Airport (GLA)

  • You can hop on a direct flight from Glasgow to London Heathrow Airport (LHR) out of Glasgow International Airport (GLA).

  • You can travel on a direct flight from Glasgow to London Heathrow Airport with British Airways. This leading airline offers services from GLA.

  • Most travellers choose to book seats with British Airways between GLA and LHR.

  • Among carriers on this route, British Airways has the highest percentage of on-time landings.

  • Located around 14 kilometres from central Glasgow, GLA can be reached in about 15 minutes by car (depending on traffic). The journey by public transport will take roughly 35 minutes.

  • Want a relaxed start to your holiday? Stay near Glasgow International Airport. Whether you're boarding an early flight from Glasgow to London Heathrow Airport or just don't like being rushed, these hotels have you covered:

  • Of the flights that depart from Glasgow International Airport, 70.07% arrive on time at their destination.

Glasgow Prestwick Airport (PIK)

  • With public transport, you can travel from central Glasgow to PIK in about 55 minutes. The terminal is roughly 48 kilometres away, and making the trip by car takes approximately 40 minutes.

  • Start your holiday sooner with an extra night away from home. Before catching your Glasgow to LHR flight, unwind in one of these hotels close to Glasgow Prestwick Airport:

  • 76.7% of flights out of Glasgow Prestwick Airport arrive within the expected time frame.

About London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport to central London is roughly 26 kilometres. If you're renting a car or getting a cab, plan ahead to make your trip as smooth as possible. Journey times can vary depending on the time of day and traffic conditions.

  • Travelling by public transport will take you roughly 1 hour.

How to find the cheapest flights from Glasgow to London Heathrow Airport (LHR)

  • Currently, Rs20,137 is the best price we've found for a one-way ticket from Glasgow to London Heathrow Airport. The cheapest price for a return flight is Rs32,043. Remember fares may change due to availability at the time of booking.

  • Book six months before you travel. Pricing trends show that this is the ideal window for finding cheap flights from Glasgow to LHR.

  • Organise your trip for November. That's the best month for scoring a great bargain on Glasgow to London Heathrow Airport tickets. If you have flexibility with your dates, use the 'Whole month' tool to find the lowest price across every month.

  • Locking in a cheap flight ticket from Glasgow to LHR is easy with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when prices go down.

  • Lock in a cheap flight from Glasgow to London Heathrow Airport by using the search filters. Select your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Glasgow to London Heathrow Airport (LHR)

  • February is the quietest month for flights from Glasgow to London Heathrow Airport (LHR), while July is the busiest. Find the best time to visit London based on whether you want a laid-back vibe or a lively atmosphere.

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

  • Look for cheap tickets from Glasgow to London Heathrow Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC.

More about London

  • Start your London trip right by choosing the perfect place to stay. As soon as you've booked your flight from Glasgow to London Heathrow Airport, check out our selection of accommodation options including:

  • Every great adventure has to include some sightseeing. The British Museum, Westminster Abbey and Big Ben are must-visits when exploring London.

Explore more of the United Kingdom

  • Birmingham is just one of the many places in the United Kingdom waiting to be discovered once you've seen London. Around 153 kilometres away to the north-west, well-known attractions include The Windsor Castle, Birmingham Museum & Art Gallery and Birmingham Hippodrome Theatre.

  • Bristol is another must-experience destination in the United Kingdom and is around 145 kilometres west of London. No trip is complete without seeing Banksey, Banksy's You Don't Need Planning Permission to Build Castles in the Sky and Clifton Suspension Bridge.

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