Cheap flights from London to Glasgow from $116

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 $127. If you aren’t able to travel to Glasgow Intl Airport during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $157.

On average, the least expensive day to fly to Glasgow Intl Airport from London 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. The most expensive day to fly to Glasgow Intl Airport is Wednesday, with ticket prices averaging around $298.

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 $211. Flying to Glasgow Intl Airport in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Glasgow Intl Airport is in the afternoon when prices are around $379.

Fly from London Luton 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 $247 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 $185 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.

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, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of February 2026, 29 flights take off from London and land in Glasgow Intl Airport each day. The most common flight departure time for this route is 18:00, with 45% of daily flights taking off at midday.

As of February 2026, 208 flights take off from London and land in Glasgow Intl Airport each week. The most common flight departure day for this route is Fri, with 27% of weekly flights taking off on this day.