Cheap flights from London Heathrow Airport to Glasgow from $119

The cheapest month to fly to Glasgow from London Heathrow Airport is in February. Flight prices, which tend to average around $220, are often lower during this time because this is during the off-season. If you don’t want to visit Glasgow in February, then you should wait until December to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $229.

On average, the least expensive day to fly to Glasgow from London Heathrow Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $168. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Glasgow on a Tuesday will generally be more expensive and average around $368. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Glasgow from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $208 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Glasgow is in the afternoon when prices are around $368.

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 $254 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 $188 on momondo.

There are 2 cabin classes available to choose from on London Heathrow to Glasgow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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.

18 flights are operational daily from London Heathrow Airport to Glasgow as of April 2026. The most popular departure time for this route is 18:00, with 48% of flights per day taking off in the evening.

129 flights are operational weekly from London Heathrow Airport to Glasgow as of April 2026. The most popular departure day for this route is Sun, with 43% of flights per week taking off on this day.