Cheap Flights from Glasgow to London Heathrow

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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.

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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 January.

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 found£58
Cheapest month to flyFebruary
Average flight time1 hr, 28 mins
Most popular airlineBritish Airways
Average flights per week547

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 £58. 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 28 minutes is the average flight time from Glasgow to London Heathrow.
British Airways, Qatar Airways and Iberia fly direct from Glasgow to London Heathrow.
As of May 2024, there are 606 flights per week flying from Glasgow to London Heathrow.
The cheapest month to fly from Glasgow to London Heathrow is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Glasgow to London Heathrow Airport on Monday, 10 February 2025.
Yes – the average flight time is 1 hour and 28 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 Heathrow 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 .

Top tips for finding a cheap flight from Glasgow to London

With Skyscanner's flexible search options, discovering cheap flights from Glasgow to London is easier. Explore flights over a Whole Month to pinpoint the most economical dates for your journey. Stay ahead of fare changes with Price Alert, receiving updates directly to your inbox or phone to secure the best deal.

If time is of the essence, select Direct Flights search to find non-stop options, simplifying your travel plans. With a user-friendly platform, you can easily find options to suit your schedule and budget. The most budget-friendly time to fly on this route is often in November, offering savvy travellers the chance to save money for spending in London.

Handy information about Glasgow airport

Glasgow has two airports: Glasgow International Airport and Glasgow Prestwick Airport. Glasgow International Airport is the primary airport serving the city, with one terminal catering to both domestic and international destinations, including major cities across Europe, North America, and the Middle East. Connections from the airport to the city centre are facilitated by buses, taxis, and a railway station that offers direct trains to key locales. Glasgow Prestwick Airport also has a single terminal and provides flights to European cities and select holiday charter destinations. Transport to and from Prestwick includes bus services, a dedicated railway station delivering direct routes to Glasgow city centre and beyond, and on-site car hire options. Both airports are equipped to give you easy access to local and international connections, ensuring a smooth start to your journey.

London airport: good to know

Welcome to London Heathrow, one of the world's busiest airports with five operational terminals. Each terminal caters to different flight routes and offers an array of services.

Terminals 2 and 3 serve international and domestic flights. Terminal 2 is recognised as the Queen’s Terminal and, along with Terminal 3, provides passengers with access to various shops, restaurants, and lounges designed for comfort and convenience before their journey. Meanwhile, Terminal 4 is tailored more towards long-haul international travel and is similarly equipped with amenities that meet the needs of travellers embarking on lengthier trips. The expansive Terminal 5 is divided into East and West, with the East handling both domestic and international flights, including long-haul destinations, and the West predominantly accommodating British Airways flights. Here, passengers can enjoy an extensive selection of shopping and dining experiences.

For those arriving in need of quarantine, Terminal 4C stands as a dedicated facility ensuring controlled and efficient processing of international arrivals. Arrange your airport transfers ahead of time when travelling from Glasgow to London for a stress-free arrival.

Best time to fly from Glasgow to London

The best time to fly from Glasgow to London is during the summer months, particularly in July and August, when you can enjoy the warmest temperatures ranging from 15°C to 25°C. Although rain is expected in London, these months offer a better chance of experiencing pleasant weather with less rainfall. The city's climate is milder than other locations, but packing a lightweight jacket for the evenings or an unexpected shower is wise. Avoid the chilly months of January and February when temperatures can dip as low as 2°C.

Reasons to visit London

When planning your trip to London, check out the city's various activities and attractions. Marvel at historical artefacts from around the globe at The British Museum, one of the world's oldest museums. Discover the Tower of London to see the Crown Jewels and learn about the city's rich history. Enjoy a remarkable view of the capital's skyline from the capsules of The London Eye. Don't miss the Notting Hill Carnival, a vibrant street festival celebrating Caribbean culture with music, dance, and a parade. This event is a highlight of the year and a true spectacle to witness.

Add hotel bookings and car hire to your Glasgow to London flight

Planning your trip to London is easy and convenient with Skyscanner. Choose from reputable car hire brands, including Green Motion, Europcar, and Hertz, to explore the city at your own pace. For your stay, consider the Park Plaza Westminster Bridge London for its proximity to major landmarks, or opt for the Sofitel London Heathrow for a luxury experience near the airport. Premier Inn London Heathrow Airport T2 & T3 – Bath Road offers comfort minutes away from your flight for budget-friendly options.


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