What day of the week experiences the fewest flight delays on this route?

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.

Which airline has the best punctuality record on Glasgow to London flights?

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

What is the most punctual flight time for Glasgow to London flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Glasgow Intl to London Heathrow?

British Airways and Aer Lingus are the most popular carriers operating from Glasgow Intl to London Heathrow

How often are flights from Glasgow to London delayed?

Historically, on average around 14% of flights between Glasgow and London have experienced a delay on any given week. The average delay length over the past 12 months has been 98 minutes.

Which airlines fly to London Heathrow Airport?

British Airways, easyJet and KLM are the top three most popular airlines that fly to London Heathrow Airport from Glasgow Intl Airport according to our data. British Airways is the first choice among our users, with 96% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Glasgow Intl Airport to London Heathrow Airport?

The number of operators available for flights from Glasgow Intl Airport to London Heathrow Airport is 3 as of October 2025.

How old do you have to be to fly from Glasgow Intl Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Glasgow Intl Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£58 Cheap Flights from Glasgow Intl Airport to London Heathrow Airport in 2025/26

Q: How many flights depart from Glasgow Intl Airport to London Heathrow Airport on average per week?

As of October 2025, there are 127 flights per week flying from Glasgow Intl Airport to London Heathrow Airport. The most common day of the week flights depart is Thu, with 39% of flights taking off on this day.

Q: How many flights depart from Glasgow Intl Airport to London Heathrow Airport on average per day?

As of October 2025, 18 flights take off from Glasgow Intl Airport and land in London Heathrow Airport each day. The most common flight departure time for this route is 11:00, with 45% of daily flights taking off at midday.

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05:55 - 07:30GLA-LHR

1h 35mdirect

21:00 - 22:30LHR-GLA

1h 30mdirect

£85British Airways

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Thu, 11 Dec - Mon, 15 Dec

20:25 - 21:45GLA-LHR

1h 20mdirect

06:55 - 08:20LHR-GLA

1h 25mdirect

£86British Airways

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Wed, 28 Jan - Sun, 1 Feb

18:50 - 20:10GLA-LHR

1h 20mdirect

09:20 - 10:45LHR-GLA

1h 25mdirect

£88British Airways

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Sat, 6 Dec - Tue, 9 Dec

16:50 - 18:10GLA-LHR

1h 20mdirect

21:00 - 22:30LHR-GLA

1h 30mdirect

£90British Airways

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Thu, 11 Dec - Mon, 15 Dec

12:45 - 14:15GLA-LHR

1h 30mdirect

06:25 - 07:50LHR-GLA

1h 25mdirect

£90British Airways

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Thu, 11 Dec - Tue, 16 Dec

09:35 - 11:10GLA-LHR

1h 35mdirect

06:55 - 08:20LHR-GLA

1h 25mdirect

£91British Airways

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Sat, 22 Nov - Sun, 23 Nov

17:00 - 18:20GLA-LHR

1h 20mdirect

15:25 - 16:55LHR-GLA

1h 30mdirect

£93British Airways

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Wed, 26 Nov - Wed, 3 Dec

17:00 - 18:20GLA-LHR

1h 20mdirect

15:25 - 16:55LHR-GLA

1h 30mdirect

£93British Airways

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Wed, 26 Nov - Wed, 3 Dec

12:45 - 14:15GLA-LHR

1h 30mdirect

06:55 - 08:20LHR-GLA

1h 25mdirect

£94British Airways

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Thu, 20 Nov - Sun, 23 Nov

20:25 - 21:45GLA-LHR

1h 20mdirect

09:20 - 10:45LHR-GLA

1h 25mdirect

£95British Airways

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Fri, 5 Dec - Tue, 9 Dec

British Airways flights from Glasgow Intl Airport to London Heathrow Airport

Our best British Airways deals on Glasgow Intl Airport to London Heathrow Airport flight tickets

British Airways

11 Dec

GLA05:55Glasgow Intl

1h 35m

LHR07:30London Heathrow

15 Dec

LHR21:00London Heathrow

1h 30m

GLA22:30Glasgow Intl

£85

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British Airways

28 Jan

GLA20:25Glasgow Intl

1h 20m

LHR21:45London Heathrow

1 Feb

LHR06:55London Heathrow

1h 25m

GLA08:20Glasgow Intl

£86

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British Airways

6 Dec

GLA18:50Glasgow Intl

1h 20m

LHR20:10London Heathrow

9 Dec

LHR09:20London Heathrow

1h 25m

GLA10:45Glasgow Intl

£88

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GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Thu 11/12

05:55-07:30

Nonstop1h 35m

London Heathrow

Mon 15/12

21:00-22:30

Nonstop1h 30m

£85

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Wed 28/1

20:25-21:45

Nonstop1h 20m

London Heathrow

Sun 1/2

06:55-08:20

Nonstop1h 25m

£86

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 6/12

18:50-20:10

Nonstop1h 20m

London Heathrow

Tue 9/12

09:20-10:45

Nonstop1h 25m

£88

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Thu 11/12

16:50-18:10

Nonstop1h 20m

London Heathrow

Mon 15/12

21:00-22:30

Nonstop1h 30m

£90

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Thu 11/12

12:45-14:15

Nonstop1h 30m

London Heathrow

Tue 16/12

06:25-07:50

Nonstop1h 25m

£90

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 22/11

09:35-11:10

Nonstop1h 35m

London Heathrow

Sun 23/11

06:55-08:20

Nonstop1h 25m

£91

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Wed 26/11

17:00-18:20

Nonstop1h 20m

London Heathrow

Wed 3/12

15:25-16:55

Nonstop1h 30m

£93

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Wed 26/11

17:00-18:20

Nonstop1h 20m

London Heathrow

Wed 3/12

15:25-16:55

Nonstop1h 30m

£93

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Thu 20/11

12:45-14:15

Nonstop1h 30m

London Heathrow

Sun 23/11

06:55-08:20

Nonstop1h 25m

£94

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 5/12

20:25-21:45

Nonstop1h 20m

London Heathrow

Tue 9/12

09:20-10:45

Nonstop1h 25m

£95

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How to get the cheapest flight ticket from Glasgow Intl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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Other information

What is the cheapest month to fly to London Heathrow Airport?

In general, January is the cheapest month to fly from Glasgow Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £99. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Glasgow Intl Airport averaging around £106.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Glasgow Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as £564. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £624.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Glasgow Intl Airport to London Heathrow Airport in the evening for as low as £386. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £648 on average. Flights to London Heathrow Airport from Glasgow Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Glasgow Intl to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £120 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Glasgow Intl Airport for as low as £96 on momondo.

What cabin class options are available on Glasgow Intl to London Heathrow flights?

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

How have Glasgow Intl Airport to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for Glasgow Intl Airport to London Heathrow Airport flights are approximately 61% more expensive when compared to flights at the same time last year.

When to book flights from Glasgow Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

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Cheap Glasgow Intl Airport to London Heathrow Airport (GLA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to London Heathrow Airport

Best price found	£129
Fastest flight time	1h 20m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Glasgow Intl Airport in the past 72 hours is £129. The best return flight deal from Glasgow Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £365.

The fastest flight from Glasgow Intl Airport to London Heathrow Airport takes 1h 20m

Direct flights go from Glasgow Intl Airport to London Heathrow Airport every day.

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How far is Glasgow Intl to London Heathrow by plane?
London Heathrow is 344.5 mi away from Glasgow Intl. Flights usually cover this in 1h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Glasgow Intl Airport to London Heathrow Airport?
Prices for flights from Glasgow Intl Airport to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Glasgow Intl Airport to London Heathrow Airport?
The number of operators available for flights from Glasgow Intl Airport to London Heathrow Airport is 3 as of October 2025.
How old do you have to be to fly from Glasgow Intl Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Glasgow Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Glasgow Intl Airport to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Glasgow Intl Airport to London Heathrow Airport is Airbus A320-100/200 (31.97% of total bookings). The next most popular plane models are Airbus A319 (25.11%), Airbus A320neo (10.09%), and Airbus A380-800 (7.79%).
What is the most popular airline from Glasgow Intl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Glasgow Intl Airport to London Heathrow Airport is British Airways, representing 96% of all bookings. The subsequent popular airlines are easyJet at 3% and KLM at 0%.

Best airlines flying from Glasgow Intl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Glasgow Intl Airport to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
easyJet	PriceFrom £39	Free Cancellation	Rating 6.9 1,840 reviews	Search easyJet flights
British Airways	PriceFrom £72	Free Cancellation	Rating 6.7 7,488 reviews	Search British Airways flights
KLM	PriceFrom £165	Free Cancellation	Rating 7.7 1,406 reviews	Search KLM flights

British Airways Flights From Glasgow Intl Airport to London Heathrow Airport
British Airways flies from Glasgow Intl Airport to London Heathrow Airport around 27 times per week, with 7,488 momondo users rating the airline 6.7/10. The cheapest British Airways deal from Glasgow Intl Airport to London Heathrow Airport in the last 72 hours was £72 (round-trip), much lower than the average airfare cost of £120 for British Airways flights on this route.

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Why should I use momondo to find a flight deal from Glasgow to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Glasgow to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Glasgow to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Glasgow to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Glasgow to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Glasgow.

I’m not ready to book a flight from Glasgow to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Glasgow are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Glasgow Intl Airport to London from £58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to London departing on 31/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Glasgow Intl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Glasgow Intl to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

What cabin class options are available on Glasgow Intl to London Heathrow flights?

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

How have Glasgow Intl Airport to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for Glasgow Intl Airport to London Heathrow Airport flights are approximately 61% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Glasgow Intl to London Heathrow?

British Airways and Aer Lingus are the most popular carriers operating from Glasgow Intl to London Heathrow

Which airlines fly to London Heathrow Airport?

How often are flights from Glasgow to London delayed?

Historically, on average around 14% of flights between Glasgow and London have experienced a delay on any given week. The average delay length over the past 12 months has been 98 minutes.

What is the most punctual flight time for Glasgow to London flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

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.

Which airline has the best punctuality record on Glasgow to London flights?

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

How many flights depart from Glasgow Intl Airport to London Heathrow Airport on average per day?

As of October 2025, 18 flights take off from Glasgow Intl Airport and land in London Heathrow Airport each day. The most common flight departure time for this route is 11:00, with 45% of daily flights taking off at midday.

How many flights depart from Glasgow Intl Airport to London Heathrow Airport on average per week?

As of October 2025, there are 127 flights per week flying from Glasgow Intl Airport to London Heathrow Airport. The most common day of the week flights depart is Thu, with 39% of flights taking off on this day.

When to book flights from Glasgow Intl Airport to London Heathrow Airport

Cheap Glasgow Intl Airport to London Heathrow Airport (GLA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to London Heathrow Airport

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Fastest flight time

Direct flights

How far is Glasgow Intl to London Heathrow by plane?

When did momondo last update prices for flights from Glasgow Intl Airport to London Heathrow Airport?

How many operators does momondo search for flights from Glasgow Intl Airport to London Heathrow Airport?

How old do you have to be to fly from Glasgow Intl Airport to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from Glasgow Intl Airport to London Heathrow Airport?

What is the most popular airline from Glasgow Intl Airport to London Heathrow Airport?

Best airlines flying from Glasgow Intl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Glasgow Intl Airport to London Heathrow Airport with momondo

British Airways Flights From Glasgow Intl Airport to London Heathrow Airport

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Why use momondo?

Why should I use momondo to find a flight deal from Glasgow to London?

Can I find flights from Glasgow to London with flexible booking policies on momondo?

How can momondo help me find flights from Glasgow to London?

I’m not ready to book a flight from Glasgow to London right now. Can momondo alert me if prices change?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

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