Cheap flights from Glasgow Intl Airport to London Heathrow Airport from $49
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 Heathrow Airport departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Glasgow Intl Airport to London
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
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
KLM flights from Glasgow Intl Airport to London Heathrow Airport
Our best KLM deals on Glasgow Intl Airport to London Heathrow Airport flight tickets
See travel insights to London from
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?
The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Glasgow Intl Airport, with most prices found around $119. If you’re not able to fly to London Heathrow Airport in January, then November is your next best option. Flight prices from Glasgow Intl Airport to London Heathrow Airport during November average around $127.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $768. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $914.
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 $763. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $858.
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 16 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $147 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 Intl Airport for as low as $113 on momondo.
What cabin class options are available on Glasgow Intl to London Heathrow flights?
There are 4 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 April 2025, 17 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 7:00AM, with 43% of daily flights taking off at noon.
How many flights depart from Glasgow Intl Airport to London Heathrow Airport on average per week?
As of April 2025, there are 119 flights per week flying from Glasgow Intl Airport to London Heathrow Airport. The most common day of the week flights depart is Mon, with 45% 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?
Glasgow Intl and London Heathrow are 344.5 mi apart from one another. Typically, this will take 1h 20m by plane in normal conditions.
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?
As of April 2025, there is 1 operator available to choose from for flights from Glasgow Intl Airport to London Heathrow Airport.
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 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.
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 (31.75% of total bookings). The next most popular plane models are Airbus A319 (26.04%), Airbus A320neo (11.90%), and Airbus A321neo (11.53%).
What is the most popular airline from Glasgow Intl Airport to London Heathrow Airport?
Based on momondo bookings for flights between Glasgow Intl Airport and London Heathrow Airport, the leading airline is British Airways, making up 100% of the total bookings.
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 $98 | Free Cancellation | Rating 6.6 6,760 reviews |
British Airways Flights From Glasgow Intl Airport to London Heathrow Airport
Across 20 British Airways flights from Glasgow Intl Airport to London Heathrow Airport this week, the average price was $170, with the best British Airways deals starting from $98 round-trip. 6,760 users have rated British Airways on momondo, with an average score of 6.6/10.
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
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?
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?
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?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Glasgow and alert you when they change.