Cheap flights from London Heathrow Airport to Glasgow from £53

If you’re not able to fly to Glasgow in January, then August is your next best option. Flight prices from London Heathrow Airport to Glasgow during August average around £52.

The cheapest day to depart on your flight to Glasgow is on a Tuesday when prices can be found for as low as £90. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Glasgow for around £109.

The cheapest time of day to fly to Glasgow is in the morning when flights can be purchased for as low as £93. In contrast, the most expensive time of day to depart to Glasgow is at midday when prices are around £120.

Fly from London Heathrow to Edinburgh Turnhouse for the best London Heathrow - Glasgow flight prices

You are more likely to see cheaper flights to Glasgow from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Glasgow for around £137 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Glasgow from London Heathrow Airport for as low as £107 on momondo.

There are 3 cabin classes available to choose from on London Heathrow Airport to Glasgow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

British Airways is the most popular carrier operating from London Heathrow to Glasgow

British Airways, easyJet and Loganair are the top three most popular airlines that fly to Glasgow from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 94% of people opting to fly with this airline when travelling to Glasgow. Keep in mind that there are 3 different airlines that fly to Glasgow on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between London and Glasgow have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

17 flights are operational daily from London Heathrow Airport to Glasgow as of June 2026. The most popular departure time for this route is 18:00, with 38% of flights per day taking off in the evening.

As of June 2026, there are 124 flights per week flying from London Heathrow Airport to Glasgow. The most common day of the week flights depart is Tue, with 48% of flights taking off on this day.