Cheap flights from Glasgow Intl Airport to London from £34
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 Intl Airport to London departing on 17/10. 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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British Airways flights from Glasgow Intl Airport to London Heathrow Airport
Our best British Airways deals on Glasgow Intl Airport to London Heathrow Airport flight tickets
Aer Lingus flights from Glasgow Intl Airport to London Heathrow Airport
Our best Aer Lingus deals on Glasgow Intl Airport to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Glasgow Intl Airport 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
What is the cheapest month to fly to London Heathrow Airport?
In general, January is the cheapest month to fly from Glasgow Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £92. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Glasgow Intl Airport averaging around £93.
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 Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as £559. 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 £601.
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 Intl Airport to London Heathrow Airport in the evening for as low as £428. 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 £617 on average. Flights to London Heathrow Airport from Glasgow Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Glasgow Intl to London Heathrow flight route?
Fly from Glasgow Intl to London Heathrow for the best Glasgow Intl - 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 Intl Airport when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £110 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Glasgow Intl Airport for as low as £90 on momondo.
What cabin class options are available on Glasgow Intl to London Heathrow flights?
There are 3 cabin classes available to choose from on Glasgow Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Glasgow Intl Airport to London Heathrow Airport on average per day?
As of June 2025, 8 flights take off from Glasgow Intl Airport and land in London Heathrow Airport each day. The most common flight departure time for this route is 14:00, with 49% of daily flights taking off in the afternoon.
How many flights depart from Glasgow Intl Airport to London Heathrow Airport on average per week?
As of June 2025, there are 61 flights per week flying from Glasgow Intl Airport to London Heathrow Airport. The most common day of the week flights depart is Thu, with 59% of flights taking off on this day.
When to book flights from Glasgow Intl Airport to London Heathrow Airport
Cheap Glasgow Intl Airport to London Heathrow Airport (GLA to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to London Heathrow Airport
How far is Glasgow Intl to London Heathrow by plane?
London Heathrow is 344.5 mi away from Glasgow Intl. Flights usually cover this in 1h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Glasgow Intl Airport to London Heathrow Airport?
Prices for flights from Glasgow Intl Airport to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Glasgow Intl Airport to London Heathrow Airport?
The number of operators available for flights from Glasgow Intl Airport to London Heathrow Airport is 2 as of June 2025.
How old do you have to be to fly from Glasgow Intl Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Glasgow Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Glasgow Intl Airport to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Glasgow Intl Airport to London Heathrow Airport is Airbus A320-100/200 (34.20% of total bookings). The next most popular plane models are Airbus A319 (26.29%), Airbus A320neo (11.25%), and Airbus A321neo (6.49%).
What is the most popular airline from Glasgow Intl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Glasgow Intl Airport to London Heathrow Airport is British Airways, representing 96% of all bookings. The subsequent popular airline is easyJet at 4%.
Best airlines flying from Glasgow Intl Airport to London Heathrow Airport
Compare and see reviews for airlines that fly from Glasgow Intl Airport to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £49 | Free Cancellation | Rating 6.9 1,812 reviews | |||
| PriceFrom £67 | Free Cancellation | Rating 6.6 7,011 reviews |
British Airways Flights From Glasgow Intl Airport to London Heathrow Airport
British Airways flies from Glasgow Intl Airport to London Heathrow Airport around 16 times per week, with 7,011 momondo users rating the airline 6.6/10. The cheapest British Airways deal from Glasgow Intl Airport to London Heathrow Airport in the last 72 hours was £91 (round-trip), much lower than the average airfare cost of £150 for British Airways flights on this route.
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Why should I use momondo to find a flight deal from Glasgow to London?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Glasgow to London . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Glasgow to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Glasgow to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Glasgow to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Glasgow.
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.