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Cheap flights from Glasgow to London Heathrow

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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 round-trip flight from Glasgow to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.
London.C$117 per passenger.Departing Wed, Dec 31, returning Mon, Feb 23.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Glasgow International on Wed, Dec 31, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Mon, Feb 23, arriving in Glasgow International.Price includes taxes and charges.From C$117, select.
London.C$118 per passenger.Departing Fri, Dec 12, returning Mon, Dec 15.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Glasgow International on Fri, Dec 12, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Mon, Dec 15, arriving in Glasgow International.Price includes taxes and charges.From C$118, select.
London.C$118 per passenger.Departing Fri, Nov 21, returning Sat, Nov 22.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Glasgow International on Fri, Nov 21, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Sat, Nov 22, arriving in Glasgow International.Price includes taxes and charges.From C$118, select.
London.C$123 per passenger.Departing Mon, Oct 6, returning Wed, Oct 8.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Glasgow International on Mon, Oct 6, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Wed, Oct 8, arriving in Glasgow International.Price includes taxes and charges.From C$123, select.
London.C$123 per passenger.Departing Tue, Sep 30, returning Tue, Oct 7.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Glasgow International on Tue, Sep 30, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Tue, Oct 7, arriving in Glasgow International.Price includes taxes and charges.From C$123, select.
London.C$123 per passenger.Departing Mon, Oct 6, returning Mon, Nov 3.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Glasgow International on Mon, Oct 6, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Mon, Nov 3, arriving in Glasgow International.Price includes taxes and charges.From C$123, select.
London.C$123 per passenger.Departing Thu, Oct 30, returning Mon, Feb 23.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Glasgow International on Thu, Oct 30, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Mon, Feb 23, arriving in Glasgow International.Price includes taxes and charges.From C$123, select.
London.C$123 per passenger.Departing Fri, Jan 23, returning Sun, Jan 25.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Glasgow International on Fri, Jan 23, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Sun, Jan 25, arriving in Glasgow International.Price includes taxes and charges.From C$123, select.

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 November.
Apr
from C$157
May
from C$139
Jun
from C$145
Jul
from C$134
Aug
from C$133
Sep
from C$125
Oct
from C$123
Nov
from C$118
Dec
from C$118
Jan
from C$123
Feb
from C$124
Mar
from C$123

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 foundC$117
Cheapest month to flyDecember
Average flight time1 hr, 29 mins
Most popular airlineQatar Airways
Average flights per week604

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

The best price we found for a round-trip flight from Glasgow to London Heathrow is C$117. 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.
There are 604 flights per week flying from Glasgow to London Heathrow, as of April 2025.
The cheapest month to fly from Glasgow to London Heathrow is usually April 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Glasgow to London Heathrow Airport on Wednesday, December 31, 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.

Flight Information

Even though Glasgow is home to two international airports, passengers must fly from Glasgow International Airport if they want a direct flight to London Heathrow.

British Airways operates daily direct flights from Glasgow to London Heathrow. Because of the close proximity of Glasgow to London, non-direct flights to London Heathrow from Glasgow aren't a practical option for travellers at either Glasgow International Airport or Glasgow Prestwick Airport.

Terminal Information for Glasgow International Airport

British Airways gates are located in the Central Pier of Glasgow International Airport. A bus service called the Glasgow Airport Express brings departing passengers from Glasgow City to the airport building. All buses come with leather seating, Wi-Fi, and USB ports. Thirty minutes of wireless internet access are available for free, but further access needs to be bought.

A range of shopping options after security provide a good selection of clothes, jewelry, and convenience with stores, such as Victoria's Secret, The Fashion Place, Swarovski, and Tesco Express.

Terminal Information for Heathrow Airport

Passengers arriving on Glasgow to London Heathrow flights with British Airways will disembark from the aircraft at Terminal 5 in Heathrow Airport. There are five terminals in total at Heathrow, although Terminal 1 is not currently in use for passenger aircraft.

A number of public transport options are available for arriving passengers who need to get to London City. The Heathrow Express provides a non-stop 15-minute service direct to London's Paddington Railway Station. The Heathrow Connect service also terminates at London Paddington, but it stops along the way five other stations en route. The London Underground's Piccadilly Line also stops at Heathrow Airport's Terminal 5. Taxis are available at all terminals in Heathrow, as well as free unlimited wireless internet.

What You Need to Know

It is not a strict condition for passengers to carry their passports on flights from Glasgow to London Heathrow, although most airlines recommend carrying some form of photographic identification that matches the details provided at the time of booking.

What to Expect in London

London and Glasgow are in the same time zone. Despite being just a seven-hour drive away from Glasgow, London's climate is hotter than Glasgow's, with less rainfall too. As one of the most important cultural, economical, and political hubs on the planet, there are an amazing variety of attractions to keep visitors to London entertained.

The London Eye is a large Ferris wheel that gives spectacular views of the London skyline and is well worth a trip. Located on the banks of the River Thames, this hugely popular tourist attraction needs to be booked online to avoid disappointment. Tickets cost approximately $CA37.30 for a 30-minute rotation on the wheel.

Another iconic location to visit in the city is London's Tower Bridge, which is featured on the cover of many travel guides written about London. Shoppers will also be kept happy in London, and it is recommended to visit popular districts such as Oxford Street, with its more than 300 stores, including the likes of Selfridges and John Lewis.


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Plan the rest of your trip from Glasgow to London

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