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Cheap flights from Glasgow to London Heathrow Airport from £58

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LHR
9 Sep — 16 Sep1
1 adult

Cheapflights Tip: The best prices from Glasgow to London Heathrow are usually found in January or November, booked 85 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Glasgow to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) to Heathrow (LHR). 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 September 2025.

Round-trip from

£87

One-way from

£58

Popular in

August

Cheapest in

January

Average price

£130
British Airways
  • British Airways
  • 25/10-25/10
  • Nonstop
  • 3h 00m total
  • Glasgow to London
Search Deals
British Airways
  • British Airways
  • 1/3
  • Nonstop
  • 1h 35m total
  • Glasgow to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Glasgow to Heathrow

Cheapest flights from Glasgow to Heathrow
Explore the most affordable flight options available from Glasgow to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2025.

Sat 25/1005:50GLA - LHR
Nonstop1h 35mBritish Airways
Sat 25/1021:55LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 3/9£87
Fri 3/1005:50GLA - LHR
Nonstop1h 35mBritish Airways
Thu 9/1021:50LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 2/9£88
Fri 19/1211:40GLA - LHR
Nonstop1h 35mBritish Airways
Sun 4/106:55LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 1/9£90
Fri 3/1019:30GLA - LHR
Nonstop1h 20mBritish Airways
Sun 5/1007:55LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 2/9£91
Tue 30/905:50GLA - LHR
Nonstop1h 35mBritish Airways
Tue 7/1015:00LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 2/9£92
Thu 6/1105:55GLA - LHR
Nonstop1h 35mBritish Airways
Sun 9/1106:55LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 1/9£94
Mon 24/1120:25GLA - LHR
Nonstop1h 20mBritish Airways
Mon 1/1221:00LHR - GLA
Nonstop1h 30mBritish Airways
Deal found 1/9£95
Wed 1/1020:30GLA - LHR
Nonstop1h 20mBritish Airways
Mon 6/1020:05LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 2/9£96
Fri 17/1007:00GLA - LHR
Nonstop1h 35mBritish Airways
Fri 24/1020:55LHR - GLA
Nonstop1h 30mBritish Airways
Deal found 2/9£97
Fri 17/1008:35GLA - LHR
Nonstop1h 35mBritish Airways
Mon 20/1006:30LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 3/9£100
Sat 18/1021:15GLA - LHR
Nonstop1h 20mBritish Airways
Sun 2/1108:00LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 1/9£101

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow to Heathrow 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 4 September 2025.
Use the filters below to find and compare flights from Glasgow to London Heathrow Airport that are best for you.

Fly from

Glasgow

Fly to

Heathrow

Route

Depart

Return

Price

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sun 23/11

10:20-11:55

Nonstop1h 35m

London Heathrow

Sun 23/11

21:00-22:30

Nonstop1h 30m

£87

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 22/11

14:05-15:35

Nonstop1h 30m

London Heathrow

Sat 22/11

21:00-22:30

Nonstop1h 30m

£87

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 25/10

05:50-07:25

Nonstop1h 35m

London Heathrow

Sat 25/10

21:55-23:20

Nonstop1h 25m

£87

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 3/10

05:50-07:25

Nonstop1h 35m

London Heathrow

Thu 9/10

21:50-23:15

Nonstop1h 25m

£88

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 6/12

12:45-14:15

Nonstop1h 30m

London Heathrow

Sat 6/12

19:55-21:25

Nonstop1h 30m

£88

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 16/1

20:25-21:45

Nonstop1h 20m

London Heathrow

Sun 18/1

08:00-09:25

Nonstop1h 25m

£90

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 27/2

08:55-10:30

Nonstop1h 35m

London Heathrow

Mon 2/3

07:30-08:55

Nonstop1h 25m

£90

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 9/1

11:40-13:15

Nonstop1h 35m

London Heathrow

Sun 11/1

21:00-22:30

Nonstop1h 30m

£90

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 3/10

18:20-19:40

Nonstop1h 20m

London Heathrow

Fri 10/10

20:55-22:25

Nonstop1h 30m

£90

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 3/10

19:30-20:50

Nonstop1h 20m

London Heathrow

Sun 5/10

07:55-09:20

Nonstop1h 25m

£90

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 24 results
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2
3

Best time to book a flight from Glasgow to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Glasgow 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 Glasgow to London Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Glasgow to Heathrow. Price data was last updated on 29 August 2025.

The price you pay for your flight from Glasgow to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Glasgow to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Glasgow to London Heathrow Airport (average of £112). Flying from Glasgow to London Heathrow Airport in August is currently the most expensive (average of £164). 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 GLA to LHR?

Find hourly flight availability from Glasgow to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 September 2025.

A simple way to save on the total cost of your ticket is to fly from Glasgow to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly return from Glasgow to Heathrow. Price data was last updated on 31 August 2025.

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

Weekly flight availability from Glasgow to London Heathrow Airport

Explore weekly flight availability from Glasgow to Heathrow. 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 4 September 2025.

The most flights from GG1 to LHR are scheduled on a Wednesday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 4 September 2025.
Read reviews from past customers who have flown with easyJet and British Airways from Glasgow to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
easyJet
6.9
Okay
1,817 reviews
Check prices

Crew

7.6

Entertainment

5.5

Overall

6.9

Boarding

6.7

Comfort

6.7

Food

5.9

Reviews

1 / 20
6.0
Good

Kathleen P,Jun 2025

LGW - GLA

Had to pay £48 because my personal item was 1cm too big! Not happy! First & last time to fly Easy Jet. This small back pack has been used on many domestic & international flights without a problem. I could have easily put it in my luggage as my bag was 5kg under weight. Instead, I was charged £48 even though it didn’t add any extra weight to the flight and it could easily fit under the seat. Hint: Check the “personal item” size carefully!
easyJet
6.9
Okay
1,817 reviews
easyJet
6.9
Okay
1,817 reviews
Check prices

Crew

7.6

Entertainment

5.5

Overall

6.9

Boarding

6.7

Comfort

6.7

Food

5.9

Reviews

1 / 20
6.0
Good

Kathleen P,Jun 2025

LGW - GLA

Had to pay £48 because my personal item was 1cm too big! Not happy! First & last time to fly Easy Jet. This small back pack has been used on many domestic & international flights without a problem. I could have easily put it in my luggage as my bag was 5kg under weight. Instead, I was charged £48 even though it didn’t add any extra weight to the flight and it could easily fit under the seat. Hint: Check the “personal item” size carefully!
British Airways
6.7
Okay
7,345 reviews
easyJet
6.9
Okay
1,817 reviews
Check prices

Crew

7.6

Entertainment

5.5

Overall

6.9

Boarding

6.7

Comfort

6.7

Food

5.9

Reviews

1 / 20
6.0
Good

Kathleen P,Jun 2025

LGW - GLA

Had to pay £48 because my personal item was 1cm too big! Not happy! First & last time to fly Easy Jet. This small back pack has been used on many domestic & international flights without a problem. I could have easily put it in my luggage as my bag was 5kg under weight. Instead, I was charged £48 even though it didn’t add any extra weight to the flight and it could easily fit under the seat. Hint: Check the “personal item” size carefully!

Related info for your journey

Find useful and relevant information for your journey from Glasgow to Heathrow. 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 Glasgow to London Heathrow Airport?

    There are many flights that can get you from Glasgow to London Heathrow Airport in 1h 35m. Fly via British Airways to get the fastest option. The distance between Glasgow and London Heathrow Airport is about 345 mi. Generally, flights for this route are direct.

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

    Currently priced at £43, easyJet will fly you from Glasgow to London Heathrow Airport and back. In addition to easyJet, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on British Airways for as low as £70. easyJet is priced at 63% lower than the current average price of a flight leaving 3 months from now.

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

    Before booking your flight to London Heathrow Airport from Glasgow, check out the most reliable airlines to get you to your destination on time: American Airlines (84%), Iberia (83%), Finnair( 82%).

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

    Looking at all options, your cheapest flight can be booked for £58. While the most popular route (Glasgow Intl - London Heathrow) can be booked for £88 on average our data indicates £1,503 when flying from Glasgow to London Heathrow Airport.

  • Can I find deals for flights from Glasgow to Heathrow that include hotel bookings?

    Yes. In addition to deals on Glasgow to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow to Heathrow.

  • Can I find deals for business class flights from Glasgow to Heathrow?

    Yes. Cheapflights offers flight deals from Glasgow to Heathrow 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 Glasgow to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Glasgow to London Heathrow Airport (average of £112). Flying from Glasgow to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Milton Keynes
Croydon
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Ipswich
Watford
Folkestone
Chichester
Winchester
Swindon
Dartford
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Glasgow to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Glasgow to Heathrow

Discover the top 4 airlines that operate flights from Glasgow to Heathrow. 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 4 September 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£34Average£76FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£70Average£117FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£147Average£201FlexibilityNo cancel feeOn-time79%
Search Loganair flights
KLMCheapest£161Average£213FlexibilityNo cancel feeOn-time75%
Search KLM 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 Glasgow to Heathrow?

Cheapflights helps you search for flights from Glasgow to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Heathrow from Glasgow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Glasgow to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Glasgow to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Glasgow to Heathrow 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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