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

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, British Airways have had the lowest number of delays on this route, with just 16% of flights being delayed.

How often are flights from London to Glasgow delayed?

About 16% of weekly flights between London and Glasgow have experienced delays in the past year, with the average delay time being 102 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

How long is the flight from London Heathrow Airport to Glasgow Intl Airport?

For as low as £109, British Airways can have you in Glasgow Intl Airport from London Heathrow Airport in 1h 25m. The distance between London Heathrow Airport and Glasgow Intl Airport is about 345 mi. Most flights are nonstop.

What are the cheapest airlines flying from London Heathrow Airport to Glasgow Intl Airport round-trip?

Flying on easyJet is currently your cheapest option to Glasgow Intl Airport, with prices starting at £45. Another option worth looking into is British Airways, starting at £89 return. easyJet is 66% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

If weather is an important factor for your trip to Glasgow Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the cheapest flights from London Heathrow Airport to Glasgow Intl Airport?

The cheapest flight price from London Heathrow Airport to Glasgow Intl Airport is £65. On average you can expect to pay £165. The most popular route, (London Heathrow - Glasgow Intl), can usually be booked for £98.

What are the most reliable airlines from London Heathrow Airport to Glasgow Intl Airport?

No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Glasgow Intl Airport consider choosing China Southern (83%), American Airlines (82%) or LATAM Airlines (81%) as they are the most reliable in getting you off to your destination on time.

Can I find deals for flights from Heathrow to Glasgow Intl that include hotel bookings?

Yes. In addition to deals on Heathrow to Glasgow Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Glasgow Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Glasgow Intl.

Can I find deals for business class flights from Heathrow to Glasgow Intl?

Yes. Cheapflights offers flight deals from Heathrow to Glasgow Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£53+ Cheap Flights from London Heathrow Airport to Glasgow Intl Airport

Q: How much does it cost for a return flight from London Heathrow Airport to Glasgow Intl Airport?

Airfare is below average for this route at the moment. London Heathrow Airport to Glasgow Intl Airport flights typically cost between £275 and £130 in July. The cheapest return flight price found within the last 3 days was £89 on British Airways (25 Jul-29 Jul).

Cheapflights Tip: The best prices from London Heathrow to Glasgow Intl are usually found in February or March, booked 65 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap flight deals from Heathrow to Glasgow Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Heathrow to Glasgow Intl
Explore the most affordable flight options available from Heathrow to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2026.

Sat 25/721:55

LHR

GLA

Nonstop1h 15m

British Airways

Wed 29/706:25

GLA

LHR

Nonstop1h 35m

British Airways

Deal found 10/6£89

Fri 17/706:15

LHR

GLA

Nonstop1h 25m

British Airways

Tue 21/710:55

GLA

LHR

Nonstop1h 30m

British Airways

Deal found 9/6£97

Mon 20/706:30

LHR

GLA

Nonstop1h 25m

British Airways

Wed 29/719:40

GLA

LHR

Nonstop1h 20m

British Airways

Deal found 12/6£98

Fri 17/706:15

LHR

GLA

Nonstop1h 25m

British Airways

Mon 20/708:00

GLA

LHR

Nonstop1h 35m

British Airways

Deal found 11/6£98

Mon 20/721:50

LHR

GLA

Nonstop1h 15m

British Airways

Thu 30/719:30

GLA

LHR

Nonstop1h 20m

British Airways

Deal found 10/6£99

Wed 15/709:00

LHR

GLA

Nonstop1h 30m

British Airways

Mon 20/705:50

GLA

LHR

Nonstop1h 35m

British Airways

Deal found 8/6£101

Tue 14/720:15

LHR

GLA

Nonstop1h 20m

British Airways

Wed 19/820:50

GLA

LHR

Nonstop1h 20m

British Airways

Deal found 9/6£102

Thu 24/909:00

LHR

GLA

Nonstop1h 30m

British Airways

Tue 29/921:10

GLA

LHR

Nonstop1h 30m

British Airways

Deal found 12/6£103

Fri 2/1006:15

LHR

GLA

Nonstop1h 25m

British Airways

Sun 4/1021:20

GLA

LHR

Nonstop1h 20m

British Airways

Deal found 9/6£104

Mon 6/721:50

LHR

GLA

Nonstop1h 15m

British Airways

Tue 21/708:35

GLA

LHR

Nonstop1h 35m

British Airways

Deal found 11/6£104

Sat 4/721:55

LHR

GLA

Nonstop1h 15m

British Airways

Thu 16/707:00

GLA

LHR

Nonstop1h 35m

British Airways

Deal found 9/6£107

Fri 17/706:15

LHR

GLA

Nonstop1h 25m

British Airways

Wed 22/719:40

GLA

LHR

Nonstop1h 20m

British Airways

Deal found 13/6£108

Find flight deals from Heathrow to Glasgow Intl

Round-trip from	£89
One-way from	£53
Popular in	June
Cheapest in	February
Average price	£181
Good round-trip deal	£129 or less
Good one-way deal	£93 or less

British Airways
25/7-29/7
Nonstop
2h 50m total
London to Glasgow

Search Deals

British Airways
13/8
Nonstop
1h 15m total
London to Glasgow

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£16 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2026

Search Deals

Price to beat on a round-trip flight from London Heathrow to Glasgow Intl.

Search Deals

Price to beat on a one-way flight from London Heathrow to Glasgow Intl.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Tue 22/9

07:20-08:45

Nonstop1h 25m

Glasgow Intl

Sun 27/9

21:15-22:35

Nonstop1h 20m

£109

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 23/10

06:15-07:40

Nonstop1h 25m

Glasgow Intl

Mon 26/10

11:35-13:10

Nonstop1h 35m

£114

Fastest return journey

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 3/7

21:15-22:30

Nonstop1h 15m

Glasgow Intl

Sun 5/7

21:15-22:35

Nonstop1h 20m

£117

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Thu 6/8

07:25-08:50

Nonstop1h 25m

Glasgow Intl

Sun 9/8

06:00-07:35

Nonstop1h 35m

£126

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Mon 3/8

07:45-09:10

Nonstop1h 25m

Glasgow Intl

Mon 10/8

05:50-07:25

Nonstop1h 35m

£127

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 4/9

14:35-16:05

Nonstop1h 30m

Glasgow Intl

Sun 6/9

17:50-19:15

Nonstop1h 25m

£127

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Thu 30/7

21:50-23:05

Nonstop1h 15m

Glasgow Intl

Fri 31/7

05:50-07:25

Nonstop1h 35m

£130

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 22/7

07:10-08:35

Nonstop1h 25m

Glasgow Intl

Wed 22/7

20:50-22:10

Nonstop1h 20m

£144

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Thu 30/7

20:15-21:35

Nonstop1h 20m

Glasgow Intl

Mon 3/8

05:50-07:25

Nonstop1h 35m

£144

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 31/7

17:20-18:50

Nonstop1h 30m

Glasgow Intl

Sun 2/8

06:00-07:35

Nonstop1h 35m

£152

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Heathrow with our price prediction graph.

LHR-GLA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Glasgow Intl Airport

Prices

Delays

How far ahead should I book a flight from London Heathrow Airport to Glasgow Intl Airport?

The best time to book flights from London Heathrow Airport to Glasgow Intl Airport is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Glasgow Intl Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Glasgow Intl Airport (average of £116). Flying from London Heathrow Airport to Glasgow Intl Airport in June is currently the most expensive (average of £181). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to GLA?

One of the essential ways to save on airfare from London Heathrow Airport to Glasgow Intl Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 17% on airfare.

What is the cheapest day to fly from London Heathrow Airport to Glasgow Intl Airport?

Travellers seeking maximum savings on their London Heathrow Airport to Glasgow Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from London Heathrow Airport to Glasgow Intl Airport?

Reviews of airlines servicing Glasgow Intl

See what other customers who have flown with easyJet and British Airways from London Heathrow Airport to Glasgow Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

easyJet

6.9

Okay

1,907 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LTN - LEI

Staff professional and friendly Plane clean and comfortable One passenger had problem with his seat and the crew sorted it immediately.

easyJet

6.9

Okay

1,907 reviews

easyJet

6.9

Okay

1,907 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LTN - LEI

Staff professional and friendly Plane clean and comfortable One passenger had problem with his seat and the crew sorted it immediately.

British Airways

6.7

Okay

8,047 reviews

easyJet

6.9

Okay

1,907 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LTN - LEI

Staff professional and friendly Plane clean and comfortable One passenger had problem with his seat and the crew sorted it immediately.

Related info for your journey

How long is the flight from London Heathrow Airport to Glasgow Intl Airport?
For as low as £109, British Airways can have you in Glasgow Intl Airport from London Heathrow Airport in 1h 25m. The distance between London Heathrow Airport and Glasgow Intl Airport is about 345 mi. Most flights are nonstop.
What are the cheapest airlines flying from London Heathrow Airport to Glasgow Intl Airport round-trip?
Flying on easyJet is currently your cheapest option to Glasgow Intl Airport, with prices starting at £45. Another option worth looking into is British Airways, starting at £89 return. easyJet is 66% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from London Heathrow Airport to Glasgow Intl Airport?
No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Glasgow Intl Airport consider choosing China Southern (83%), American Airlines (82%) or LATAM Airlines (81%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from London Heathrow Airport to Glasgow Intl Airport?
The cheapest flight price from London Heathrow Airport to Glasgow Intl Airport is £65. On average you can expect to pay £165. The most popular route, (London Heathrow - Glasgow Intl), can usually be booked for £98.
Can I find deals for flights from Heathrow to Glasgow Intl that include hotel bookings?
Yes. In addition to deals on Heathrow to Glasgow Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Glasgow Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Glasgow Intl.
Can I find deals for business class flights from Heathrow to Glasgow Intl?
Yes. Cheapflights offers flight deals from Heathrow to Glasgow Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Glasgow Intl Airport?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Glasgow Intl Airport (average of £116). Flying from London Heathrow Airport to Glasgow Intl Airport in June is currently the most expensive (average of £181). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Paisley

Kilmarnock

Dunoon

Dumbarton

Arrochar

Clydebank

East Kilbride

Largs

Renfrew

Inveraray

Rothesay

Alexandria

Tarbert

Balloch

Browse thousands of different options on Cheapflights for your next trip

Airlines

Alternative routes

Complete your trip

Direct flights to Scotland

Flights by cabin class

Glasgow Intl flight routes

Other flight options

Other flights from Heathrow

Popular flights

Fly from Heathrow to Glasgow Intl on these airlines

British Airways flights from London Heathrow to Glasgow Intl

easyJet flights from London Heathrow to Glasgow Intl

Top 2 airlines flying from Heathrow to Glasgow Intl

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£45	Average£89	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£89	Average£135	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Glasgow Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Glasgow Intl from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Glasgow Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Glasgow Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Glasgow Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Glasgow Intl with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Glasgow Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Glasgow Intl from Heathrow today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Heathrow Airport to Glasgow Intl Airport from £53

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Glasgow Intl

Cheapest flights from Heathrow to Glasgow IntlExplore the most affordable flight options available from Heathrow to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2026.

Explore the most affordable flight options available from Heathrow to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2026.

Best flights from Heathrow to Glasgow IntlDiscover carefully curated flight deals from Heathrow to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2026.

Discover carefully curated flight deals from Heathrow to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2026.

Direct flights from Heathrow to Glasgow IntlExplore direct flight options from Heathrow to Glasgow Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 June 2026.

Explore direct flight options from Heathrow to Glasgow Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 June 2026.

Last-minute flights from Heathrow to Glasgow IntlDiscover last-minute flight deals from Heathrow to Glasgow Intl. Data last updated 13 June 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Glasgow Intl. Data last updated 13 June 2026 and is based on user searches.

One-way flights from Heathrow to Glasgow IntlSearch for one-way flight options from Heathrow to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 13 June 2026.

Search for one-way flight options from Heathrow to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 13 June 2026.

Find flight deals from Heathrow to Glasgow Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Glasgow Intl Airport that are best for you.

Best time to book a flight from Heathrow to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Glasgow Intl Airport

How far ahead should I book a flight from London Heathrow Airport to Glasgow Intl Airport?

What is the cheapest month to book a flight from London Heathrow Airport to Glasgow Intl Airport?

What is the cheapest time of day to fly from LHR to GLA?

What is the cheapest day to fly from London Heathrow Airport to Glasgow Intl Airport?

How much does it cost for a return flight from London Heathrow Airport to Glasgow Intl Airport?

How often are flights from London to Glasgow delayed?

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

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

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

Reviews of airlines servicing Glasgow Intl

See what other customers who have flown with easyJet and British Airways from London Heathrow Airport to Glasgow Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Glasgow Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London Heathrow Airport to Glasgow Intl Airport?

What are the cheapest airlines flying from London Heathrow Airport to Glasgow Intl Airport round-trip?

What are the most reliable airlines from London Heathrow Airport to Glasgow Intl Airport?

What are the cheapest flights from London Heathrow Airport to Glasgow Intl Airport?

Can I find deals for flights from Heathrow to Glasgow Intl that include hotel bookings?

How can I find direct flights from Heathrow to Glasgow Intl?

Can I find deals for business class flights from Heathrow to Glasgow Intl?

What is the cheapest month to book a flight from London Heathrow Airport to Glasgow Intl Airport?

Travelling to a place near Glasgow Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Glasgow Intl on these airlines

Choose from the following airlines for your flight from Heathrow to Glasgow Intl. Flights are based on user searches made on Cheapflights and were last updated on 13 June 2026.

Alternative routes for Heathrow to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Glasgow Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Scotland

Book a non-stop flight to one of these other cities located in Scotland.

Search flights from Heathrow to Glasgow Intl by cabin class

Find flights from Heathrow to Glasgow Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Glasgow Intl

Explore flights to Glasgow Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 June 2026.

Heathrow and Glasgow Intl flights

Browse other Heathrow and Glasgow Intl flight options. Last updated on 13 June 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 13 June 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 2 airlines flying from Heathrow to Glasgow Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Glasgow Intl?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Glasgow Intl?

Can Cheapflights find flights from Heathrow to Glasgow Intl with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Glasgow Intl become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Heathrow to Glasgow Intl
Explore the most affordable flight options available from Heathrow to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2026.

Best flights from Heathrow to Glasgow Intl
Discover carefully curated flight deals from Heathrow to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2026.

Direct flights from Heathrow to Glasgow Intl
Explore direct flight options from Heathrow to Glasgow Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 June 2026.

Last-minute flights from Heathrow to Glasgow Intl
Discover last-minute flight deals from Heathrow to Glasgow Intl. Data last updated 13 June 2026 and is based on user searches.

One-way flights from Heathrow to Glasgow Intl
Search for one-way flight options from Heathrow to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 13 June 2026.