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Cheap flights from London Heathrow Airport to Glasgow Intl Airport from $124

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GLA
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Glasgow Intl are usually found in February or April, booked 88 days in advance, depart on a Friday or Tuesday and return on a Wednesday

Cheap flight deals from Heathrow to Glasgow Intl

Enter your travel dates to find the best prices.

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 3 February 2026.

Wed 18/315:25
LHR
-
GLA
Nonstop1h 30m
British Airways
Wed 25/315:25
GLA
-
LHR
Nonstop1h 30m
British Airways
Deal found 1/2$176
Fri 6/306:25
LHR
-
GLA
Nonstop1h 25m
British Airways
Mon 9/311:35
GLA
-
LHR
Nonstop1h 35m
British Airways
Deal found 3/2$181
Thu 12/306:20
LHR
-
GLA
Nonstop1h 25m
British Airways
Wed 25/320:25
GLA
-
LHR
Nonstop1h 20m
British Airways
Deal found 1/2$184
Thu 19/306:20
LHR
-
GLA
Nonstop1h 25m
British Airways
Thu 26/305:55
GLA
-
LHR
Nonstop1h 35m
British Airways
Deal found 1/2$186
Fri 6/306:25
LHR
-
GLA
Nonstop1h 25m
British Airways
Sun 8/305:55
GLA
-
LHR
Nonstop1h 35m
British Airways
Deal found 3/2$191
Tue 3/315:05
LHR
-
GLA
Nonstop1h 30m
British Airways
Sun 8/306:35
GLA
-
LHR
Nonstop1h 35m
British Airways
Deal found 2/2$197
Mon 2/319:55
LHR
-
GLA
Nonstop1h 30m
British Airways
Mon 16/315:25
GLA
-
LHR
Nonstop1h 30m
British Airways
Deal found 2/2$201
Mon 27/706:30
LHR
-
GLA
Nonstop1h 25m
British Airways
Sun 2/806:00
GLA
-
LHR
Nonstop1h 35m
British Airways
Deal found 3/2$204
Mon 1/606:30
LHR
-
GLA
Nonstop1h 25m
British Airways
Sat 13/617:15
GLA
-
LHR
Nonstop1h 25m
British Airways
Deal found 1/2$209
Mon 13/406:30
LHR
-
GLA
Nonstop1h 25m
British Airways
Fri 24/405:50
GLA
-
LHR
Nonstop1h 35m
British Airways
Deal found 3/2$210

Find 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 3 February 2026.

Round-trip from

$176

One-way from

$124

Popular in

June

Cheapest in

February

Average price

$217

Good one-way deal

$117 or less
British Airways
  • British Airways
  • 19/3-26/3
  • Nonstop
  • 3h 00m total
  • London to Glasgow
Search Deals
British Airways
  • British Airways
  • 8/6
  • Nonstop
  • 1h 25m total
  • London to Glasgow
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a one-way flight from London Heathrow to Glasgow Intl.
Search Deals

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 3 February 2026.
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 18/3

07:30-08:55

Nonstop1h 25m

Glasgow Intl

Mon 23/3

20:25-21:45

Nonstop1h 20m

$181

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 6/3

21:10-22:40

Nonstop1h 30m

Glasgow Intl

Fri 13/3

20:25-21:45

Nonstop1h 20m

$181

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Sat 28/3

06:25-07:50

Nonstop1h 25m

Glasgow Intl

Sun 29/3

06:00-07:35

Nonstop1h 35m

$181

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 6/3

06:25-07:50

Nonstop1h 25m

Glasgow Intl

Mon 9/3

11:35-13:10

Nonstop1h 35m

$181

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 20/3

07:30-08:55

Nonstop1h 25m

Glasgow Intl

Mon 23/3

20:25-21:45

Nonstop1h 20m

$181

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Thu 19/3

06:20-07:45

Nonstop1h 25m

Glasgow Intl

Thu 26/3

05:55-07:30

Nonstop1h 35m

$186

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 13/3

21:10-22:40

Nonstop1h 30m

Glasgow Intl

Sun 15/3

05:55-07:30

Nonstop1h 35m

$191

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 20/3

06:25-07:50

Nonstop1h 25m

Glasgow Intl

Fri 27/3

14:00-15:30

Nonstop1h 30m

$204

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 12/6

06:15-07:40

Nonstop1h 25m

Glasgow Intl

Sun 14/6

07:35-09:10

Nonstop1h 35m

$204

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 15/5

06:15-07:40

Nonstop1h 25m

Glasgow Intl

Sun 17/5

07:35-09:10

Nonstop1h 35m

$206

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 20 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 30 January 2026.

Booking 88 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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Glasgow Intl Airport (average of $124). Flying from London Heathrow Airport to Glasgow Intl Airport in November is currently the most expensive (average of $163). 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 3 February 2026.

It’s typically best to fly out from London Heathrow Airport to Glasgow Intl Airport in the evening. Doing so could potentially save you 30% 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 3 February 2026.
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
7,711 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Crew

7.6

Food

6.4

Comfort

6.8

Overall

6.7

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
7,711 reviews
British Airways
6.7
Okay
7,711 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Crew

7.6

Food

6.4

Comfort

6.8

Overall

6.7

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

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?

    There are many flights that can get you from London Heathrow Airport to Glasgow Intl Airport in 1h 25m. Fly via British Airways to get the fastest option. London Heathrow Airport and Glasgow Intl Airport are separated by a distance of 555 km. All flights are typically direct.

  • 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 $168. British Airways is currently priced 31% 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 (82%), Japan Airlines (81%) and Qatar Airways (81%).

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

    On average you can expect to pay $126 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 $117.

  • 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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Glasgow Intl Airport (average of $124). Flying from London Heathrow Airport to Glasgow Intl Airport in November is currently the most expensive (average of $163). 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

Browse thousands of different options on Cheapflights for your next trip

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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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$168Average$280FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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?

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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