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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 6/23. 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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0 bags

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Find the cheapest flights from Glasgow Intl Airport to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Glasgow Intl Airport to London that have been recently found on momondo from popular airlines, departing in the coming months.
8:25 pm - 9:45 pmGLA-LHR
1h 20mnonstop
7:10 am - 8:35 amLHR-GLA
1h 25mnonstop
$90British Airways
Find Deal
Tue, Jul 15 - Wed, Jul 23
8:25 pm - 9:45 pmGLA-LHR
1h 20mnonstop
6:15 am - 7:40 amLHR-GLA
1h 25mnonstop
$94British Airways
Find Deal
Tue, Apr 8 - Tue, Apr 15
3:35 pm - 8:20 pmGLA-LHR
4h 45m1 stop
6:15 am - 7:40 amLHR-GLA
1h 25mnonstop
Sat, Apr 12 - Tue, Apr 22
2:25 pm - 7:10 pmGLA-LHR
4h 45m1 stop
9:50 pm - 11:15 pmLHR-GLA
1h 25mnonstop
Mon, Mar 24 - Mon, Mar 31
4:55 pm - 8:55 pmGLA-LHR
4h 00m1 stop
7:15 pm - 11:10 pmLHR-GLA
3h 55m1 stop
$282KLM
Find Deal
Tue, Apr 1 - Wed, Apr 9
1:25 pm - 7:15 pmGLA-LHR
5h 50m1 stop
6:30 am - 12:40 pmLHR-GLA
6h 10m1 stop
$286KLM
Find Deal
Thu, Mar 13 - Sun, Mar 16
12:05 pm - 7:35 pmGLA-LHR
7h 30m1 stop
8:45 am - 11:35 amLHR-GLA
2h 50m1 stop
$439Loganair
Find Deal
Mon, May 12 - Thu, May 15
12:05 pm - 7:35 pmGLA-LHR
7h 30m1 stop
8:45 am - 11:35 amLHR-GLA
2h 50m1 stop
$441Loganair
Find Deal
Mon, May 12 - Thu, May 15
8:35 am - 12:40 pmGLA-LHR
4h 05m1 stop
3:10 pm - 7:40 pmLHR-GLA
4h 30m1 stop
$443Aer Lingus
Find Deal
Sun, May 11 - Sun, May 11
9:30 am - 5:35 pmGLA-LHR
8h 05m1 stop
10:25 pm - 1:25 pmLHR-GLA
15h 00m1 stop
$466Aer Lingus
Find Deal
Sun, Aug 24 - Sun, Aug 24

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
British Airways
Jul 15
GLA8:25 pmGlasgow Intl
1h 20m
LHR9:45 pmLondon Heathrow
Jul 23
LHR7:10 amLondon Heathrow
1h 25m
GLA8:35 amGlasgow Intl
British Airways
Apr 8
GLA8:25 pmGlasgow Intl
1h 20m
LHR9:45 pmLondon Heathrow
Apr 15
LHR6:15 amLondon Heathrow
1h 25m
GLA7:40 amGlasgow Intl
British Airways
Jun 23
GLA8:50 pmGlasgow Intl
1h 20m
LHR10:10 pmLondon Heathrow
Jun 27
LHR9:00 pmLondon Heathrow
1h 25m
GLA10:25 pmGlasgow Intl

KLM flights from Glasgow Intl Airport to London Heathrow Airport

Our best KLM deals on Glasgow Intl Airport to London Heathrow Airport flight tickets
KLM
Apr 1
GLA4:55 pmGlasgow Intl
4h 00m
1 stop
LHR8:55 pmLondon Heathrow
Apr 9
LHR7:15 pmLondon Heathrow
3h 55m
1 stop
GLA11:10 pmGlasgow Intl
KLM
Mar 13
GLA1:25 pmGlasgow Intl
5h 50m
1 stop
LHR7:15 pmLondon Heathrow
Mar 16
LHR6:30 amLondon Heathrow
6h 10m
1 stop
GLA12:40 pmGlasgow Intl
KLM
Aug 7
GLA6:00 amGlasgow Intl
4h 45m
1 stop
LHR10:45 amLondon Heathrow
Aug 11
LHR11:45 amLondon Heathrow
4h 25m
1 stop
GLA4:10 pmGlasgow Intl

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 typical price of a round-trip flight between Glasgow Intl Airport and London Heathrow Airport?

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 $118. If you’re not able to fly to London Heathrow Airport in January, then March is your next best option. Flight prices from Glasgow Intl Airport to London Heathrow Airport during March average around $125.

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 $786. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $897.

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 $731. 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 $863.

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 $146 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 $109 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 have Glasgow Intl Airport to London Heathrow Airport flight prices changed over time?

As of February 2025, prices for Glasgow Intl Airport to London Heathrow Airport flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from Glasgow Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$49

Fastest flight time

1h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Glasgow Intl Airport in the past 72 hours is $49. The best round-trip flight deal from Glasgow Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is $90.
The fastest flight from Glasgow Intl Airport to London Heathrow Airport takes 1h 20m
Direct flights go from Glasgow Intl Airport to London Heathrow Airport every day.

  • 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?

  • 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?

  • What is the most popular airline from Glasgow Intl Airport to London Heathrow Airport?


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
British AirwaysPriceFrom $96Free CancellationRating
6.6
6,745 reviews
Search British Airways flights
  • British Airways Flights From Glasgow Intl Airport to London Heathrow Airport

    Across 46 British Airways flights from Glasgow Intl Airport to London Heathrow Airport this week, the average price was $183, with the best British Airways deals starting from $96 round-trip. 6,745 users have rated British Airways on momondo, with an average score of 6.6/10.


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Why 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.


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