Cheap flights from Glasgow Intl Airport to London Heathrow Airport from £57
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LHR
13 Oct — 20 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Glasgow Intl to London Heathrow are usually found in February or March, booked 41 days in advance, depart on a Friday or Saturday and return on a Saturday
Cheap flight deals from Glasgow Intl to Heathrow
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Glasgow Intl to Heathrow
Explore the most affordable flight options available from Glasgow Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2026.
Sat 24/1019:45 -
Nonstop1h 20m
Sat 31/1008:10 -
Nonstop1h 30m
Deal found 9/9£100
Thu 15/1018:40 -
Nonstop1h 20m
Tue 27/1006:25 -
Nonstop1h 25m
Deal found 10/9£101
Wed 23/1220:15 -
Nonstop1h 20m
Wed 30/1207:25 -
Nonstop1h 25m
Deal found 10/9£103
Sun 25/1005:40 -
Nonstop1h 35m
Sun 1/1107:55 -
Nonstop1h 25m
Deal found 9/9£103
Sun 15/1105:40 -
Nonstop1h 35m
Sun 22/1107:55 -
Nonstop1h 25m
Deal found 12/9£104
Fri 11/1220:25 -
Nonstop1h 20m
Tue 5/119:55 -
Nonstop1h 25m
Deal found 12/9£105
Fri 6/1120:25 -
Nonstop1h 20m
Mon 9/1106:25 -
Nonstop1h 25m
Deal found 11/9£106
Thu 1/1008:35 -
Nonstop1h 35m
Sun 4/1007:55 -
Nonstop1h 25m
Deal found 12/9£106
Tue 29/919:30 -
Nonstop1h 20m
Tue 6/1011:55 -
Nonstop1h 30m
Deal found 12/9£107
Tue 13/1005:55 -
Nonstop1h 35m
Tue 20/1013:20 -
Nonstop1h 30m
Deal found 12/9£108
Thu 12/1120:20 -
Nonstop1h 20m
Sun 15/1106:45 -
Nonstop1h 25m
Deal found 12/9£109
Best flights from Glasgow Intl to Heathrow
Discover carefully curated flight deals from Glasgow Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.
Tue 8/1212:40 -
Nonstop1h 35m
Fri 11/1207:05 -
Nonstop1h 25m
Deal found 12/9£116
Mon 9/1106:00 -
1 stop4h 45m
Thu 12/1111:45 -
1 stop10h 25m
Deal found 8/9£177
Mon 9/1117:35 -
Nonstop1h 20m
Thu 12/1117:40 -
1 stop17h 00m
Deal found 8/9£212
Tue 3/1107:10 -
Nonstop1h 35m
Fri 6/1121:10 -
Nonstop1h 25m
Deal found 11/9£122
Fri 6/1117:15 -
1 stop3h 35m
Sun 8/1106:30 -
1 stop6h 15m
Deal found 12/9£177
Wed 28/1017:15 -
1 stop3h 35m
Wed 4/1111:45 -
1 stop4h 45m
Deal found 13/9£187
Sat 9/110:40 -
1 stop6h 20m
Sun 10/111:45 -
1 stop10h 25m
Deal found 13/9£188
Thu 1/1007:00 -
Nonstop1h 35m
Sun 4/1008:45 -
1 stop4h 50m
Deal found 12/9£240
Fri 30/1017:15 -
1 stop3h 35m
Mon 2/1111:45 -
1 stop4h 45m
Deal found 13/9£202
Fri 2/1013:30 -
1 stop5h 55m
Mon 5/1017:10 -
1 stop6h 00m
Deal found 13/9£214
Thu 24/906:00 -
1 stop4h 45m
Sun 27/920:55 -
1 stop11h 30m
Deal found 10/9£214
Sun 25/1005:40 -
1 stop5h 05m
Sun 1/1108:40 -
1 stop7h 50m
Deal found 10/9£217
Direct flights from Glasgow Intl to Heathrow
Explore direct flight options from Glasgow Intl to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 September 2026.
Sat 24/1019:45 -
Nonstop1h 20m
Sat 31/1008:10 -
Nonstop1h 30m
Deal found 9/9£100
Thu 15/1018:40 -
Nonstop1h 20m
Tue 27/1006:25 -
Nonstop1h 25m
Deal found 10/9£101
Wed 23/1220:15 -
Nonstop1h 20m
Wed 30/1207:25 -
Nonstop1h 25m
Deal found 10/9£103
Sun 25/1005:40 -
Nonstop1h 35m
Sun 1/1107:55 -
Nonstop1h 25m
Deal found 9/9£103
Sun 15/1105:40 -
Nonstop1h 35m
Sun 22/1107:55 -
Nonstop1h 25m
Deal found 12/9£104
Fri 11/1220:25 -
Nonstop1h 20m
Tue 5/119:55 -
Nonstop1h 25m
Deal found 12/9£105
Fri 6/1120:25 -
Nonstop1h 20m
Mon 9/1106:25 -
Nonstop1h 25m
Deal found 11/9£106
Thu 1/1008:35 -
Nonstop1h 35m
Sun 4/1007:55 -
Nonstop1h 25m
Deal found 12/9£106
Tue 29/919:30 -
Nonstop1h 20m
Tue 6/1011:55 -
Nonstop1h 30m
Deal found 12/9£107
Tue 13/1005:55 -
Nonstop1h 35m
Tue 20/1013:20 -
Nonstop1h 30m
Deal found 12/9£108
Thu 12/1120:20 -
Nonstop1h 20m
Sun 15/1106:45 -
Nonstop1h 25m
Deal found 12/9£109
Last-minute flights from Glasgow Intl to Heathrow
Discover last-minute flight deals from Glasgow Intl to Heathrow. Data last updated 13 September 2026 and is based on user searches.
Fri 18/919:40 -
Nonstop1h 20m
Mon 21/921:50 -
Nonstop1h 15m
Deal found 11/9£127
Fri 18/919:40 -
Nonstop1h 20m
Fri 25/918:15 -
Nonstop1h 20m
Deal found 11/9£130
Fri 18/919:40 -
Nonstop1h 20m
Sun 20/922:15 -
Nonstop1h 15m
Deal found 10/9£134
Wed 23/914:05 -
Nonstop1h 30m
Sat 3/1021:55 -
Nonstop1h 15m
Deal found 12/9£118
Wed 23/920:50 -
Nonstop1h 20m
Fri 1/107:05 -
Nonstop1h 25m
Deal found 9/9£121
Wed 23/920:50 -
Nonstop1h 20m
Thu 15/1014:05 -
Nonstop1h 30m
Deal found 10/9£123
Wed 23/920:50 -
Nonstop1h 20m
Wed 30/909:15 -
Nonstop1h 30m
Deal found 9/9£137
One-way flights from Glasgow Intl to Heathrow
Search for one-way flight options from Glasgow Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.
Sat 31/1015:50 -
1 stop4h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£57
Wed 28/1022:35 -
1 stop9h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/9£58
Thu 22/1009:05 -
1 stop5h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£60
Sat 10/1022:00 -
1 stop11h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£62
Sun 18/1015:40 -
Nonstop1h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/9£63
Sun 18/1007:30 -
1 stop7h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£64
Sun 25/1012:40 -
Nonstop1h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/9£66
Find flight deals from Glasgow Intl to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) 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 13 September 2026.
Customise your flight search to find flights from Glasgow Intl 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 7,457,451 searches. Data last updated 13 September 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Wed 25/11
05:45-07:20
Nonstop1h 35m
London Heathrow
Wed 31/12
00:00-00:00
Nonstop0h 00m
£67
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Tue 24/11
07:10-08:45
Nonstop1h 35m
London Heathrow
Wed 31/12
00:00-00:00
Nonstop0h 00m
£67
Fastest return journey
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Fri 13/11
18:45-20:05
Nonstop1h 20m
London Heathrow
Wed 31/12
00:00-00:00
Nonstop0h 00m
£67
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Thu 15/10
21:20-22:40
Nonstop1h 20m
London Heathrow
Wed 31/12
00:00-00:00
Nonstop0h 00m
£70
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Mon 4/1
11:40-13:15
Nonstop1h 35m
London Heathrow
Wed 31/12
00:00-00:00
Nonstop0h 00m
£71
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Fri 11/12
08:00-09:35
Nonstop1h 35m
London Heathrow
Wed 31/12
00:00-00:00
Nonstop0h 00m
£75
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Thu 12/11
06:00-07:35
Nonstop1h 35m
London Heathrow
Wed 31/12
00:00-00:00
Nonstop0h 00m
£75
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Wed 10/3
18:10-19:30
Nonstop1h 20m
London Heathrow
Wed 31/12
00:00-00:00
Nonstop0h 00m
£75
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Wed 11/11
20:15-21:35
Nonstop1h 20m
London Heathrow
Wed 31/12
00:00-00:00
Nonstop0h 00m
£75
GlasgowLondon
GLA Glasgow Intl - LHR London Heathrow
GLALHR
Glasgow Intl
Tue 8/12
12:40-14:15
Nonstop1h 35m
London Heathrow
Fri 11/12
07:05-08:30
Nonstop1h 25m
£116
Flights are sorted by cheapest return flights first.
Deals found on 10/9
Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3
Best time to book a flight from Glasgow Intl to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Glasgow Intl with our price prediction graph.
GLA-LHR
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 Intl Airport to London Heathrow Airport
Prices
Delays
How far ahead should I book a flight from Glasgow Intl Airport to London Heathrow Airport?
To ensure you get the cheapest price possible for a flight from Glasgow Intl Airport to London Heathrow Airport, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Glasgow Intl Airport to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to London Heathrow Airport (average of £111). Flying from Glasgow Intl Airport to London Heathrow Airport in June is currently the most expensive (average of £169). 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 Intl 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 13 September 2026.
A simple way to save on the total cost of your ticket is to fly from Glasgow Intl Airport to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the afternoon.
What is the cheapest day to fly from Glasgow Intl Airport to London Heathrow Airport?
Use this chart to determine the cheapest time to fly return from Glasgow Intl to Heathrow. Price data was last updated on 12 September 2026.
Travellers seeking maximum savings on their Glasgow Intl Airport to London Heathrow Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from Glasgow Intl Airport to London Heathrow Airport?
Airfare is below average for this route at the moment.
Glasgow Intl Airport to London Heathrow Airport flights typically cost between £113 and £178 in October.The cheapest return price found within the last 5 days was £100 on British Airways (24 Oct–31 Oct).
How often are flights from Glasgow to London delayed?
About 9% of weekly flights between Glasgow and London have experienced delays in the past year, with the average delay time being 97 minutes.
What is the most punctual flight time for Glasgow to London flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Glasgow to London flights?
Over the past year, British Airways have had the lowest number of delays on this route, with just 9% of flights being delayed.
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 13 September 2026.
See what other customers who have flown with easyJet and British Airways from Glasgow Intl Airport to London Heathrow Airport have to say. 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.
Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
Related info for your journey
Find useful and relevant information for your journey from Glasgow Intl 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 Intl Airport to London Heathrow Airport?
There are many flights that can get you from Glasgow Intl Airport to London Heathrow Airport in 1h 35m. Fly via British Airways or KLM to get the fastest option. The distance between Glasgow Intl Airport and London Heathrow Airport is about 345 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Glasgow Intl Airport to London Heathrow Airport round-trip?
Our cheapest airline available from Glasgow Intl Airport to London Heathrow Airport is easyJet. Our recent data shows that you can find tickets from as low as £26 on this airline. An additional option worth looking into is British Airways, starting at £94. Users have found that easyJet is 80% cheaper than the other options available to this destination.
What are the most reliable airlines from Glasgow Intl Airport to London Heathrow Airport?
The top 3 most reliable airlines when flying from Glasgow Intl Airport to London Heathrow Airport are American Airlines (91%), Royal Air Maroc (85%) and British Airways (85%).
What are the cheapest flights from Glasgow Intl Airport to London Heathrow Airport?
On average you can expect to pay £1,463 for a flight from Glasgow Intl Airport to London Heathrow Airport. The cheapest flight overall is £68 while the most popular route, (Glasgow Intl - London Heathrow) is currently priced at £101.
Can I find deals for business class flights from Glasgow Intl to Heathrow?
Yes. Cheapflights offers flight deals from Glasgow Intl 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 Intl Airport to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to London Heathrow Airport (average of £111). Flying from Glasgow Intl Airport to London Heathrow Airport in June is currently the most expensive (average of £169). 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.
Travelling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Northampton
Croydon
Colchester
Eastbourne
Brentford
Enfield
Southend-on-Sea
Barnet
Salisbury
Watford
Southall
Swindon
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.
Airlines
Alternative routes
Complete your trip
Direct flights to England
Flights by cabin class
Heathrow flight routes
Other flight options
Other flights from Glasgow Intl
Popular flights
Fly from Glasgow Intl to Heathrow on these airlines
Choose from the following airlines for your flight from Glasgow Intl to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.
Browse through other flights departing from Glasgow Intl. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.
Top 2 airlines flying from Glasgow Intl to Heathrow
Discover the top 2 airlines that operate flights from Glasgow Intl 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 7,457,451 searches. Data last updated 13 September 2026.
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 Intl to Heathrow?
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 Heathrow from Glasgow Intl today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Heathrow?
Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Glasgow Intl to Heathrow with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Glasgow Intl to Heathrow, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Glasgow Intl 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!
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.