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Cheap flights from London Heathrow Airport to Glasgow Intl Airport from $78

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GLA
1 Jul — 8 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Glasgow Intl are usually found in November or January, booked 78 days in advance, depart on a Friday or Tuesday and return on a Thursday

Cheap flight deals from Heathrow to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Glasgow Intl (GLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 June 2025.

Round-trip from

$163

One-way from

$78

Popular in

June

Cheapest in

November

Average price

$360

Good one-way deal

$238 or less
British Airways
  • British Airways
  • 12/11-14/11
  • Nonstop
  • 2h 50m total
  • London to Glasgow
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British Airways
  • British Airways
  • 10/9
  • Nonstop
  • 1h 25m total
  • London to Glasgow
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Highest demand for flights based on searches. 18% potential increase in price ($85 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Price to beat on a one-way flight from London Heathrow to Glasgow Intl.
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Find flight deals from Heathrow to Glasgow Intl

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 26 June 2025.

Wed 12/1106:25LHR - GLA
Nonstop1h 25mBritish Airways
Fri 14/1117:30GLA - LHR
Nonstop1h 25mBritish Airways
Deal found 24/6$163
Mon 25/806:30LHR - GLA
Nonstop1h 25mMultiple Airlines
Tue 26/822:35GLA - LHR
1 stop9h 25mMultiple Airlines
Deal found 26/6$309
Wed 6/819:15LHR - GLA
1 stop3h 55mKLM
Tue 12/806:00GLA - LHR
1 stop4h 45mKLM
Deal found 26/6$475

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Glasgow Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 26 June 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Glasgow Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Glasgow Intl

Route

Depart

Return

Price

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 12/11

06:25-07:50

Nonstop1h 25m

Glasgow Intl

Fri 14/11

17:30-18:55

Nonstop1h 25m

$163

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 27/8

07:40-13:00

1 stop5h 20m

Glasgow Intl

Sat 30/8

21:15-22:35

Nonstop1h 20m

$280

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 6/8

19:15-23:10

1 stop3h 55m

Glasgow Intl

Tue 12/8

06:00-10:45

1 stop4h 45m

$472

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 8/8

20:20-11:35

1 stop15h 15m

Glasgow Intl

Fri 15/8

12:05-08:00

1 stop19h 55m

$915

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 10/9

07:10-08:35

Nonstop1h 25m

$78

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 10/9

09:15-13:00

1 stop3h 45m

$222

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Sat 2/8

15:10-19:35

1 stop4h 25m

$266

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 10/9

11:30-23:10

2 stops11h 40m

$454

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 8/8

20:20-11:35

1 stop15h 15m

$521

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Mon 1/9

06:55-23:00

2 stops16h 05m

$565

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 12 results
1
2

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.
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

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Glasgow Intl. Price data was last updated on 20 June 2025.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Glasgow Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $1,335). Flying from London Heathrow Airport to Glasgow Intl Airport in December is currently the most expensive (average of $1,904). 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?

Find hourly flight availability from Heathrow to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 June 2025.

It’s typically best to fly out from London Heathrow Airport to Glasgow Intl Airport at midday. Doing so could potentially save you 54% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Glasgow Intl. Reviews last updated 26 June 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Glasgow Intl Airport, such as KLM, LOT, andAir France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,365 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,365 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,083 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,470 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Aer Lingus
7.1
Good
1,131 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,191 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

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

    Flying on British Airways is currently your cheapest option to Glasgow Intl Airport, with prices starting at $163. Additional round-trip tickets that might be worth considering are offered by KLM and Loganair, with the lowest prices starting at $472 and $915, respectively. British Airways is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London Heathrow Airport to Glasgow Intl Airport one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from Aer Lingus and Air France, as they are both options that can get you from London Heathrow Airport to Glasgow Intl Airport for a low price.

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Glasgow Intl Airport are China Southern (93%), Malaysia Airlines (85%) and British Airways (82%).

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

    On average you can expect to pay $661 for a flight from London Heathrow Airport to Glasgow Intl Airport. The cheapest flight overall is $117 while the most popular route, (London Heathrow - Glasgow Intl) is currently priced at $125.

  • 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 $1,335). Flying from London Heathrow Airport to Glasgow Intl Airport in December is currently the most expensive (average of $1,904). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Alexandria

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Top airline flying from Heathrow to Glasgow Intl

Discover the top airline that operate flights from Heathrow to Glasgow Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 26 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$128Average$253FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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