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Cheap flights from London Heathrow Airport to Glasgow Intl Airport from £51

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GLA
6 Jul — 13 Jul1
1 adult

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

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 1 July 2025.

Round-trip from

£88

One-way from

£51

Popular in

June

Cheapest in

November

Average price

£124

Good round-trip deal

£94 or less

Good one-way deal

£55 or less
British Airways
  • British Airways
  • 13/8-20/8
  • Nonstop
  • 2h 45m total
  • London to Glasgow
Search Deals
British Airways
  • British Airways
  • 27/8
  • Nonstop
  • 1h 25m total
  • London to Glasgow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in July 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 1 July 2025.

Wed 13/807:10LHR - GLA
Nonstop1h 25mBritish Airways
Wed 20/820:30GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 30/6£88

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 858,174 searches. Data last updated 1 July 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 13/8

07:10-08:35

Nonstop1h 25m

Glasgow Intl

Wed 20/8

20:30-21:50

Nonstop1h 20m

£88

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Wed 27/8

20:35-22:00

Nonstop1h 25m

£51

LondonGlasgow

LHR - GLA

LHRGLA

London Heathrow

Tue 2/9

07:30-11:25

1 stop3h 55m

£75

Flights are sorted by cheapest return flights first.

Deals found on 29/6

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 27 June 2025.

The best time to book flights from London Heathrow Airport to Glasgow Intl Airport is 87 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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Glasgow Intl Airport (average of £97). Flying from London Heathrow Airport to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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 1 July 2025.

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 afternoon could potentially save you up to 17% on airfare.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Glasgow Intl. Price data was last updated on 29 June 2025.

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

Weekly flight availability from London Heathrow Airport to Glasgow Intl Airport

Explore weekly flight availability from Heathrow to Glasgow Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 July 2025.

The most flights from LHR to GLA are scheduled on a Monday (51 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

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 1 July 2025.
See what other customers who have flown with 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.
British Airways
6.6
Okay
7,081 reviews
Check prices

Overall

6.6

Entertainment

6.4

Comfort

6.7

Food

6.3

Crew

7.6

Boarding

6.8

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
6.6
Okay
7,081 reviews
British Airways
6.6
Okay
7,081 reviews
Check prices

Overall

6.6

Entertainment

6.4

Comfort

6.7

Food

6.3

Crew

7.6

Boarding

6.8

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 £88. British Airways is 26% 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 (93%), Malaysia Airlines (85%) or British Airways (82%) 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 £39. On average you can expect to pay £116. The most popular route, (London Heathrow - Glasgow Intl), can usually be booked for £88.

  • 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 £97). Flying from London Heathrow Airport to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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
Paisley
Dunoon
Largs
Renfrew
Kilmarnock
East Kilbride
Dumbarton
Arrochar
Inveraray
Ballachulish
Rothesay
Clydebank
Alexandria
Tarbert
Balloch

Browse thousands of different options on Cheapflights for your next trip

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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 1 July 2025.
British Airways flights from London Heathrow to Glasgow Intl
easyJet flights from London Heathrow to Glasgow Intl

Top 3 airlines flying from Heathrow to Glasgow Intl

Discover the top 3 airlines 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 858,174 searches. Data last updated 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£41Average£71FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£68Average£114FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£75Average£190FlexibilityNo cancel feeOn-time76%
Search Finnair 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?

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.

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