Cheap flights from Glasgow to London Heathrow Airport from £39
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow to London Heathrow Airport departing on 6/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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1 adult
Economy
0 bags
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Cheap return flights
KAYAK's recommended return flight deals from the most popular airlines that fly from Glasgow to London.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Glasgow to London.
Cheap last-minute flights
Planning a quick getaway from Glasgow to London? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.
British Airways flights from Glasgow to London Heathrow Airport
Our best British Airways deals on Glasgow to London Heathrow Airport flight tickets
British Airways![British Airways]()
1 Oct![British Airways]()
8 Oct
GLA20:30Glasgow Intl
1h 20m
LHR21:50London Heathrow
LHR07:10London Heathrow
1h 25m
GLA08:35Glasgow Intl
British Airways![British Airways]()
2 Sept![British Airways]()
5 Sept
GLA20:25Glasgow Intl
1h 20m
LHR21:45London Heathrow
LHR06:35London Heathrow
1h 25m
GLA08:00Glasgow Intl
Aer Lingus flights from Glasgow to London Heathrow Airport
Our best Aer Lingus deals on Glasgow to London Heathrow Airport flight tickets
Aer Lingus![Aer Lingus]()
12 May![Aer Lingus]()
13 May
GLA08:35Glasgow Intl
5h 20m
1 stop
LHR13:55London Heathrow
LHR14:20London Heathrow
5h 20m
1 stop
GLA19:40Glasgow Intl
Aer Lingus![Aer Lingus]()
13 Jun![Aer Lingus]()
14 Jun
GLA15:55Glasgow Intl
4h 25m
1 stop
LHR20:20London Heathrow
LHR07:40London Heathrow
3h 50m
1 stop
GLA11:30Glasgow Intl
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How to get the cheapest flight ticket from Glasgow to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Prices
Airlines
Other information
What is the cheapest month to fly to London Heathrow Airport?
In general, January is the cheapest month to fly from Glasgow to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £90. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Glasgow averaging around £95.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Glasgow is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £586. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £624.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Glasgow to London Heathrow Airport in the evening for as low as £445. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £627 on average. Flights to London Heathrow Airport from Glasgow in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Glasgow to London Heathrow flight route?
Fly from Glasgow Intl to London Heathrow for the best Glasgow - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Glasgow when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £110 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Glasgow for as low as £85 on momondo.
What cabin class options are available on Glasgow to London Heathrow flights?
There are 4 cabin classes available to choose from on Glasgow to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Glasgow to London Heathrow?
British Airways, Aer Lingus, and Iberia are the most popular carriers operating from Glasgow to London Heathrow
Which airlines fly to London Heathrow Airport?
British Airways, easyJet and Loganair are the top three most popular airlines that fly to London Heathrow Airport from Glasgow according to our data. British Airways is the first choice among our users, with 93% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Glasgow to London Heathrow Airport on average per day?
As of April 2025, there are 16 flights per day flying from Glasgow to London Heathrow Airport. The most common time of day flights depart is 17:00, with 43% of flights taking off in the afternoon.
How many flights depart from Glasgow to London Heathrow Airport on average per week?
112 flights are operational weekly from Glasgow to London Heathrow Airport as of April 2025. The most popular departure day for this route is Tue, with 46% of flights per week taking off on this day.
Cheap Glasgow to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Glasgow to London Heathrow Airport
How far is Glasgow to London Heathrow by plane?
London Heathrow is 340.3 mi away from Glasgow. 1h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Glasgow to London Heathrow Airport?
Prices for flights from Glasgow to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Glasgow to London Heathrow Airport?
As of April 2025, there are 2 operators available to choose from for flights from Glasgow to London Heathrow Airport.
How old do you have to be to fly from Glasgow to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Glasgow to London Heathrow Airport
Compare and see reviews for airlines that fly from Glasgow to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £31 | Free Cancellation | Rating 6.9 1,797 reviews | |||
| PriceFrom £68 | Free Cancellation | Rating 6.6 6,799 reviews | |||
| PriceFrom £142 | Free Cancellation | Rating 8.4 17 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsEastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Stratford-upon-Avon
Swindon
Gatwick
Northampton
Maidstone
Ipswich
Canterbury
Margate
Dartford
Ilford
Hounslow
Salisbury
Colchester
Guildford
Worthing
Why use momondo?
Why should I use momondo to find a flight deal from Glasgow to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Glasgow.
Can I find flights from Glasgow to London with flexible booking policies on momondo?
Flights from Glasgow to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Glasgow to London?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Glasgow to London.
I’m not ready to book a flight from Glasgow to London right now. Can momondo alert me if prices change?
Price alerts on flights to London from Glasgow are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
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