Cheap flights from London to Glasgow from £25

In general, January is the cheapest month to fly from London to Glasgow Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £68. If you’re not able to fly to Glasgow Intl Airport in January, then June is your next best option. Flight prices from London to Glasgow Intl Airport during June average around £83.

On average, the least expensive day to fly to Glasgow Intl Airport from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £93. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £112. These prices are subject to change though, so be sure to set up a Price Alert for flights to Glasgow Intl Airport.

In the morning is the cheapest time of day to fly from London to Glasgow Intl Airport when you can find flight prices for as low as £98. Flying to Glasgow Intl Airport in the morning is an ideal time because this is during off-peak travel hours. Flights to Glasgow Intl Airport are more costly at midday, with an average ticket price of £121. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Stansted to Glasgow Intl for the best London - Glasgow Intl flight prices

You are more likely to see cheaper flights to Glasgow Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Glasgow Intl Airport for around £132 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Glasgow Intl Airport from London for as low as £96 on momondo.

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

No. A direct flight is the cheapest option for a flight between London to Glasgow Intl Airport.

As of March 2026, prices for London to Glasgow Intl Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

easyJet, Ryanair, and British Airways are the most popular carriers operating from London to Glasgow Intl

easyJet, British Airways and Ryanair are the top three most popular airlines that fly to Glasgow Intl Airport from London according to our data. easyJet is the first choice among our users, with 65% of people opting to fly with this airline when travelling to Glasgow Intl Airport. Keep in mind that there are 3 different airlines that fly to Glasgow Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% 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 103 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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. Sunday 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 15% of their flights experiencing any sort of delay.

As of March 2026, there are 31 flights per day flying from London to Glasgow Intl Airport. The most common time of day flights depart is 18:00, with 44% of flights taking off in the evening.

220 flights are operational weekly from London to Glasgow Intl Airport as of March 2026. The most popular departure day for this route is Tue, with 28% of flights per week taking off on this day.