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Cheap flights from London Heathrow Airport to Glasgow Intl Airport from $120

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GLA
18 Aug — 25 Aug1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Glasgow Intl are usually found in January or November, booked 87 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 13 August 2025.

Round-trip from

$184

One-way from

$120

Popular in

June

Cheapest in

January

Average price

$256

Good round-trip deal

$229 or less

Good one-way deal

$127 or less
British Airways
  • British Airways
  • 7/11-9/11
  • Nonstop
  • 3h 00m total
  • London to Glasgow
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British Airways
  • British Airways
  • 26/8
  • Nonstop
  • 1h 30m total
  • London to Glasgow
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($59 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from London Heathrow to Glasgow Intl.
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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 13 August 2025.

Sat 1/1106:25LHR - GLA
Nonstop1h 25mBritish Airways
Sat 1/1118:50GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 13/8$180
Fri 7/1106:25LHR - GLA
Nonstop1h 25mBritish Airways
Sun 9/1105:55GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 12/8$184
Mon 25/820:55LHR - GLA
Nonstop1h 30mBritish Airways
Tue 2/920:25GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 13/8$196
Fri 26/921:00LHR - GLA
Nonstop1h 25mBritish Airways
Fri 3/1019:30GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 12/8$198
Tue 2/907:05LHR - GLA
Nonstop1h 25mBritish Airways
Wed 10/920:30GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 13/8$204
Sat 27/921:55LHR - GLA
Nonstop1h 25mBritish Airways
Fri 3/1005:50GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 13/8$207
Mon 18/820:55LHR - GLA
Nonstop1h 30mBritish Airways
Wed 20/805:50GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 13/8$212
Fri 24/1006:35LHR - GLA
Nonstop1h 25mBritish Airways
Fri 31/1020:25GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 12/8$216

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 13 August 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

Fri 7/11

06:25-07:50

Nonstop1h 25m

Glasgow Intl

Sun 9/11

05:55-07:30

Nonstop1h 35m

$184

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 29/8

21:00-22:25

Nonstop1h 25m

Glasgow Intl

Wed 3/9

20:30-21:50

Nonstop1h 20m

$195

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Tue 2/9

07:05-08:30

Nonstop1h 25m

Glasgow Intl

Tue 9/9

20:25-21:45

Nonstop1h 20m

$196

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 7/11

06:25-07:50

Nonstop1h 25m

Glasgow Intl

Tue 11/11

09:50-11:25

Nonstop1h 35m

$196

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 26/9

21:00-22:25

Nonstop1h 25m

Glasgow Intl

Fri 3/10

19:30-20:50

Nonstop1h 20m

$198

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Thu 9/10

21:50-23:15

Nonstop1h 25m

Glasgow Intl

Mon 13/10

20:50-22:10

Nonstop1h 20m

$206

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Tue 26/8

20:55-22:25

Nonstop1h 30m

$120

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Tue 19/8

20:55-22:25

Nonstop1h 30m

$120

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 20/8

21:10-22:35

Nonstop1h 25m

$120

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Mon 18/8

20:55-22:25

Nonstop1h 30m

$121

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 14 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 8 August 2025.

Booking 87 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 $1,350). 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 13 August 2025.

It’s typically best to fly out from London Heathrow Airport to Glasgow Intl Airport in the evening. Doing so could potentially save you 45% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 13 August 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Glasgow Intl Airport, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,265 reviews
Check prices

Crew

7.6

Food

6.3

Overall

6.7

Entertainment

6.4

Boarding

6.9

Comfort

6.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.
British Airways
6.7
Okay
7,265 reviews
British Airways
6.7
Okay
7,265 reviews
Check prices

Crew

7.6

Food

6.3

Overall

6.7

Entertainment

6.4

Boarding

6.9

Comfort

6.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

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 is the cheapest airline to fly 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 $184. British Airways is currently priced 26% below the average price you’ll pay for this route.

  • 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 (79%), Malaysia Airlines (77%) and Qatar Airways (72%).

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

    On average you can expect to pay $267 for a flight from London Heathrow Airport to Glasgow Intl Airport. The cheapest flight overall is $125 while the most popular route, (London Heathrow - Glasgow Intl) is currently priced at $124.

  • 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 $1,350). 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 Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Clydebank
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 13 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$143Average$289FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Glasgow Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Glasgow Intl.

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, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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