Cheap flights from London Heathrow Airport to Glasgow Intl Airport from $121
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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GLA
20 Jan — 27 Jan1
Return
1 adult
Economy
Return
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 Thursday or Monday and return on a Tuesday
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 21 December 2025.
Sun 21/1221:00LHR - GLA
Nonstop1h 30mBritish Airways
Wed 31/1217:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 21/12$212
Thu 25/1207:25LHR - GLA
Nonstop1h 25mBritish Airways
Wed 31/1217:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 20/12$222
Tue 23/1218:55LHR - GLA
Nonstop1h 30mBritish Airways
Tue 6/111:40GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 21/12$256
Sun 28/1206:55LHR - GLA
Nonstop1h 25mBritish Airways
Wed 31/1217:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 20/12$284
Sat 27/1206:25LHR - GLA
Nonstop1h 25mBritish Airways
Tue 30/1219:10GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 20/12$340
Sun 21/1221:00LHR - GLA
Nonstop1h 30mBritish Airways
Wed 24/1217:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 20/12$343
Mon 22/1213:05LHR - GLA
Nonstop1h 30mBritish Airways
Tue 30/1206:25GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 20/12$354
Sat 20/1221:00LHR - GLA
Nonstop1h 30mBritish Airways
Tue 30/1219:10GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 20/12$360
Thu 25/1211:20LHR - GLA
Nonstop1h 30mBritish Airways
Tue 30/1206:25GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 20/12$364
Wed 24/1220:00LHR - GLA
Nonstop1h 30mBritish Airways
Fri 26/1220:25GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 21/12$379
Best flights from Heathrow to Glasgow Intl
Discover carefully curated flight deals from Heathrow to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 December 2025.
Sat 31/121:00LHR - GLA
Nonstop1h 30mBritish Airways
Wed 4/220:25GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 21/12$187
Wed 4/209:20LHR - GLA
Nonstop1h 25mBritish Airways
Wed 11/215:25GLA - LHR
Nonstop1h 30mBritish Airways
Deal found 21/12$187
Fri 30/108:05LHR - GLA
Nonstop1h 25mBritish Airways
Sun 1/205:55GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 19/12$187
Sat 24/116:30LHR - GLA
Nonstop1h 30mBritish Airways
Mon 26/114:00GLA - LHR
Nonstop1h 30mBritish Airways
Deal found 20/12$197
Sat 10/121:00LHR - GLA
Nonstop1h 30mBritish Airways
Wed 14/117:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 21/12$197
Tue 20/115:05LHR - GLA
Nonstop1h 30mBritish Airways
Sun 25/111:40GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 20/12$197
Sat 24/108:10LHR - GLA
Nonstop1h 25mBritish Airways
Sun 25/110:20GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 20/12$197
Fri 9/115:10LHR - GLA
Nonstop1h 30mBritish Airways
Wed 14/117:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 21/12$207
Thu 15/112:45LHR - GLA
Nonstop1h 30mBritish Airways
Mon 19/120:25GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 18/12$207
Fri 9/116:20LHR - GLA
Nonstop1h 30mBritish Airways
Fri 16/114:00GLA - LHR
Nonstop1h 30mBritish Airways
Deal found 21/12$207
Direct flights from Heathrow to Glasgow Intl
Explore direct flight options from Heathrow to Glasgow Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 December 2025.
Wed 21/113:05LHR - GLA
Nonstop1h 30mBritish Airways
Tue 27/117:45GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 20/12$186
Fri 23/108:05LHR - GLA
Nonstop1h 25mBritish Airways
Sun 25/111:40GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 21/12$187
Sat 24/109:20LHR - GLA
Nonstop1h 25mBritish Airways
Sun 25/111:40GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 21/12$197
Fri 9/115:10LHR - GLA
Nonstop1h 30mBritish Airways
Wed 14/117:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 21/12$207
Mon 2/218:55LHR - GLA
Nonstop1h 30mBritish Airways
Mon 9/212:45GLA - LHR
Nonstop1h 30mBritish Airways
Deal found 20/12$209
Fri 12/606:15LHR - GLA
Nonstop1h 25mBritish Airways
Sun 14/605:55GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 21/12$210
Fri 9/115:10LHR - GLA
Nonstop1h 30mBritish Airways
Sun 11/114:30GLA - LHR
Nonstop1h 30mBritish Airways
Deal found 21/12$216
Thu 15/112:45LHR - GLA
Nonstop1h 30mBritish Airways
Mon 19/120:25GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 21/12$218
Fri 3/406:15LHR - GLA
Nonstop1h 25mBritish Airways
Mon 6/412:15GLA - LHR
Nonstop1h 30mBritish Airways
Deal found 20/12$222
Wed 18/306:25LHR - GLA
Nonstop1h 25mBritish Airways
Sat 21/312:45GLA - LHR
Nonstop1h 30mBritish Airways
Deal found 20/12$224
Wed 18/216:45LHR - GLA
Nonstop1h 30mBritish Airways
Sat 21/212:45GLA - LHR
Nonstop1h 30mBritish Airways
Deal found 21/12$225
Last-minute flights from Heathrow to Glasgow Intl
Discover last-minute flight deals from Heathrow to Glasgow Intl. Data last updated 21 December 2025 and is based on user searches.
Fri 26/1219:55LHR - GLA
Nonstop1h 30mBritish Airways
Wed 31/1217:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 19/12$212
Fri 26/1221:10LHR - GLA
Nonstop1h 30mBritish Airways
Tue 30/1219:10GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 20/12$354
Fri 26/1218:10LHR - GLA
Nonstop1h 30mBritish Airways
Sun 28/1205:55GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 19/12$382
Sat 27/1206:25LHR - GLA
Nonstop1h 25mBritish Airways
Tue 30/1217:45GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 19/12$320
Sun 28/1206:55LHR - GLA
Nonstop1h 25mBritish Airways
Wed 31/1217:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 20/12$284
Sun 28/1206:55LHR - GLA
Nonstop1h 25mBritish Airways
Tue 30/1206:25GLA - LHR
Nonstop1h 35mBritish Airways
Deal found 19/12$349
Sun 28/1206:55LHR - GLA
Nonstop1h 25mBritish Airways
Mon 29/1217:45GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 20/12$402
Mon 29/1213:05LHR - GLA
Nonstop1h 30mBritish Airways
Wed 31/1217:00GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 18/12$330
Wed 31/1220:00LHR - GLA
Nonstop1h 30mBritish Airways
Fri 2/120:25GLA - LHR
Nonstop1h 20mBritish Airways
Deal found 21/12$390
One-way flights from Heathrow to Glasgow Intl
Search for one-way flight options from Heathrow to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 21 December 2025.
Tue 10/318:55LHR - GLA
Nonstop1h 30mBritish Airways
Deal found 20/12$121
Mon 16/317:55LHR - GLA
Nonstop1h 30mBritish Airways
Deal found 19/12$129
Mon 9/209:20LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 20/12$132
Sun 8/308:00LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 20/12$133
Tue 20/118:55LHR - GLA
Nonstop1h 30mBritish Airways
Deal found 20/12$157
Wed 24/1220:00LHR - GLA
Nonstop1h 30mBritish Airways
Deal found 20/12$204
Sat 3/109:20LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 19/12$213
Fri 2/113:40LHR - GLA
Nonstop1h 30mBritish Airways
Deal found 19/12$222
Tue 10/314:15LHR - GLA
1 stop5h 25mAer Lingus
Deal found 20/12$237
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 21 December 2025.
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 21 December 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 31/1
21:00-22:30
Nonstop1h 30m
Glasgow Intl
Wed 4/2
20:25-21:45
Nonstop1h 20m
$187
LondonGlasgow
LHR - GLA
LHRGLA
London Heathrow
Wed 4/2
09:20-10:45
Nonstop1h 25m
Glasgow Intl
Wed 11/2
15:25-16:55
Nonstop1h 30m
$187
LondonGlasgow
LHR - GLA
LHRGLA
London Heathrow
Fri 30/1
08:05-09:30
Nonstop1h 25m
Glasgow Intl
Sun 1/2
05:55-07:30
Nonstop1h 35m
$187
LondonGlasgow
LHR - GLA
LHRGLA
London Heathrow
Sat 24/1
16:30-18:00
Nonstop1h 30m
Glasgow Intl
Mon 26/1
14:00-15:30
Nonstop1h 30m
$197
LondonGlasgow
LHR - GLA
LHRGLA
London Heathrow
Sat 10/1
21:00-22:30
Nonstop1h 30m
Glasgow Intl
Wed 14/1
17:00-18:20
Nonstop1h 20m
$197
LondonGlasgow
LHR - GLA
LHRGLA
London Heathrow
Tue 20/1
15:05-16:35
Nonstop1h 30m
Glasgow Intl
Sun 25/1
11:40-13:15
Nonstop1h 35m
$197
LondonGlasgow
LHR - GLA
LHRGLA
London Heathrow
Sat 24/1
08:10-09:35
Nonstop1h 25m
Glasgow Intl
Sun 25/1
10:20-11:55
Nonstop1h 35m
$197
LondonGlasgow
LHR - GLA
LHRGLA
London Heathrow
Fri 9/1
15:10-16:40
Nonstop1h 30m
Glasgow Intl
Wed 14/1
17:00-18:20
Nonstop1h 20m
$207
LondonGlasgow
LHR - GLA
LHRGLA
London Heathrow
Thu 15/1
12:45-14:15
Nonstop1h 30m
Glasgow Intl
Mon 19/1
20:25-21:45
Nonstop1h 20m
$207
LondonGlasgow
LHR - GLA
LHRGLA
London Heathrow
Fri 9/1
16:20-17:50
Nonstop1h 30m
Glasgow Intl
Fri 16/1
14:00-15:30
Nonstop1h 30m
$207
Flights are sorted by cheapest return flights first.
Deals found on 19/12
Showing 1-10 of 19 results
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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
Prices
Airlines
Delays
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 12 December 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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Glasgow Intl Airport (average of $130). Flying from London Heathrow Airport to Glasgow Intl Airport in November is currently the most expensive (average of $171). 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 21 December 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 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?
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 21 December 2025.
The most flights from LHR to GLA are scheduled on a Sunday (49 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
How often are flights from London to Glasgow delayed?
About 16% of weekly flights between London and Glasgow have experienced delays in the past year, with the average delay time being 103 minutes.
What is the most punctual flight time for London to Glasgow flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon 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 Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Glasgow flights?
Over the past year, British Airways have had the lowest number of delays on this route, with just 16% of flights being delayed.
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 21 December 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.
Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.
Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.
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 $141. British Airways is currently priced 45% 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 (85%), British Airways (81%) and Qatar Airways (78%).
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 $130). Flying from London Heathrow Airport to Glasgow Intl Airport in November is currently the most expensive (average of $171). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 21 December 2025.
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 21 December 2025.
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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