Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Glasgow Intl Airport from $125

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GLA
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Glasgow Intl are usually found in January or February, booked 87 days in advance, depart on a Friday or Tuesday and return on a Wednesday

Find 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 4 November 2025.

Wed 17/1209:20LHR - GLA
Nonstop1h 25mBritish Airways
Wed 24/1219:05GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 2/11$177
Thu 18/1206:20LHR - GLA
Nonstop1h 25mBritish Airways
Thu 25/1219:05GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 3/11$179
Fri 12/1207:30LHR - GLA
Nonstop1h 25mBritish Airways
Mon 15/1206:35GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 3/11$180
Fri 5/1208:05LHR - GLA
Nonstop1h 25mBritish Airways
Sun 7/1206:35GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 3/11$185
Sat 22/1121:00LHR - GLA
Nonstop1h 30mBritish Airways
Wed 26/1117:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 2/11$191
Sun 23/1106:55LHR - GLA
Nonstop1h 25mBritish Airways
Sun 30/1106:35GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 3/11$200
Sun 14/1208:00LHR - GLA
Nonstop1h 25mBritish Airways
Sun 4/105:55GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 3/11$203
Wed 24/1206:25LHR - GLA
Nonstop1h 25mBritish Airways
Sun 28/1205:55GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 3/11$205
Sat 22/1118:55LHR - GLA
Nonstop1h 30mBritish Airways
Mon 24/1120:25GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 2/11$211
Sat 15/1119:55LHR - GLA
Nonstop1h 30mBritish Airways
Sun 16/1109:20GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 3/11$220
Fri 21/1121:10LHR - GLA
Nonstop1h 30mBritish Airways
Sat 29/1112:45GLA - LHR
Nonstop1h 30mBritish Airways
Deal found 2/11$222

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 4 November 2025.

Round-trip from

$177

One-way from

$125

Popular in

June

Cheapest in

January

Average price

$234

Good one-way deal

$197 or less
British Airways
  • British Airways
  • 17/12-24/12
  • Nonstop
  • 2h 45m total
  • London to Glasgow
Search Deals
British Airways
  • British Airways
  • 16/3
  • Nonstop
  • 1h 30m total
  • London to Glasgow
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 4 November 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

Sat 6/12

18:55-20:25

Nonstop1h 30m

Glasgow Intl

Fri 12/12

08:15-09:50

Nonstop1h 35m

$180

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 5/12

06:25-07:50

Nonstop1h 25m

Glasgow Intl

Sun 7/12

06:35-08:10

Nonstop1h 35m

$180

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Sat 6/12

21:00-22:30

Nonstop1h 30m

Glasgow Intl

Sun 7/12

11:40-13:15

Nonstop1h 35m

$180

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Thu 4/12

21:00-22:30

Nonstop1h 30m

Glasgow Intl

Sun 7/12

09:20-10:55

Nonstop1h 35m

$180

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 17/12

07:30-08:55

Nonstop1h 25m

Glasgow Intl

Wed 24/12

20:25-21:45

Nonstop1h 20m

$185

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Sat 22/11

19:55-21:25

Nonstop1h 30m

Glasgow Intl

Tue 25/11

14:00-15:30

Nonstop1h 30m

$191

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Sun 23/11

06:55-08:20

Nonstop1h 25m

Glasgow Intl

Sun 30/11

05:55-07:30

Nonstop1h 35m

$200

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Fri 28/11

21:10-22:40

Nonstop1h 30m

Glasgow Intl

Sun 30/11

06:35-08:10

Nonstop1h 35m

$211

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Mon 13/4

06:30-07:55

Nonstop1h 25m

Glasgow Intl

Sun 19/4

05:55-07:30

Nonstop1h 35m

$211

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Sat 29/11

08:10-09:35

Nonstop1h 25m

Glasgow Intl

Sun 30/11

06:35-08:10

Nonstop1h 35m

$211

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 19 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 31 October 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, January 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 $159). 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 4 November 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 36% 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 4 November 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
7,494 reviews
Check prices

Crew

7.6

Comfort

6.7

Overall

6.7

Entertainment

6.4

Food

6.3

Boarding

6.9

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,494 reviews
British Airways
6.7
Okay
7,494 reviews
Check prices

Crew

7.6

Comfort

6.7

Overall

6.7

Entertainment

6.4

Food

6.3

Boarding

6.9

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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 30m. 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 $178. British Airways is currently priced 30% 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 Malaysia Airlines (76%), Qatar Airways (74%) and China Southern (74%).

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

    On average you can expect to pay $472 for a flight from London Heathrow Airport to Glasgow Intl Airport. The cheapest flight overall is $161 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, January 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 $159). 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

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

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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$178Average$296FlexibilityNo 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!

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.