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Cheap flights from Glasgow Intl Airport to London from $73

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 8/6. 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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Find the cheapest flights from Glasgow Intl Airport to London

Cheap round-trip flights

British Airways Logo
7:35 pm - 8:55 pmGLA-LHR
1h 20mnonstop
British Airways Logo
3:20 pm - 4:45 pmLHR-GLA
1h 25mnonstop
$117British Airways
Find Deal
mié., ago. 27 - mié., sep. 3
British Airways Logo
8:30 pm - 9:50 pmGLA-LHR
1h 20mnonstop
British Airways Logo
6:30 am - 7:55 amLHR-GLA
1h 25mnonstop
$120British Airways
Find Deal
jue., ago. 28 - lun., sep. 1
British Airways Logo
8:25 pm - 9:45 pmGLA-LHR
1h 20mnonstop
British Airways Logo
8:15 pm - 9:40 pmLHR-GLA
1h 25mnonstop
$121British Airways
Find Deal
mar., ago. 12 - mar., ago. 19
British Airways Logo
8:25 pm - 9:45 pmGLA-LHR
1h 20mnonstop
British Airways Logo
8:55 pm - 10:25 pmLHR-GLA
1h 30mnonstop
$122British Airways
Find Deal
mar., ago. 19 - mar., ago. 26
British Airways Logo
7:45 pm - 9:05 pmGLA-LHR
1h 20mnonstop
British Airways Logo
5:55 am - 7:20 amLHR-GLA
1h 25mnonstop
$127British Airways
Find Deal
sáb., oct. 18 - dom., nov. 2
British Airways Logo
9:15 pm - 10:35 pmGLA-LHR
1h 20mnonstop
British Airways Logo
7:55 am - 9:20 amLHR-GLA
1h 25mnonstop
$128British Airways
Find Deal
sáb., ago. 30 - dom., ago. 31
Logo
7:35 pm - 8:55 pmGLA-LHR
1h 20mnonstop
Logo
9:15 am - 1:00 pmLHR-GLA
3h 45m1 stop
$191
Find Deal
mié., ago. 27 - mié., sep. 3
KLM Logo
1:25 pm - 7:15 pmGLA-LHR
5h 50m1 stop
KLM Logo
5:50 pm - 10:10 pmLHR-GLA
4h 20m1 stop
$283KLM
Find Deal
lun., nov. 24 - lun., dic. 1
KLM Logo
6:05 am - 10:45 amGLA-LHR
4h 40m1 stop
KLM Logo
4:25 pm - 10:10 pmLHR-GLA
5h 45m1 stop
$286KLM
Find Deal
mié., nov. 12 - sáb., nov. 15
KLM Logo
4:55 pm - 8:55 pmGLA-LHR
4h 00m1 stop
KLM Logo
8:55 pm - 8:10 amLHR-GLA
11h 15m1 stop
$288KLM
Find Deal
vie., oct. 3 - dom., oct. 19

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
Aug 27
GLA7:35 pmGlasgow Intl
1h 20m
LHR8:55 pmLondon Heathrow
Sep 3
LHR3:20 pmLondon Heathrow
1h 25m
GLA4:45 pmGlasgow Intl
$117
Find similar
British Airways
Aug 28
GLA8:30 pmGlasgow Intl
1h 20m
LHR9:50 pmLondon Heathrow
Sep 1
LHR6:30 amLondon Heathrow
1h 25m
GLA7:55 amGlasgow Intl
$120
Find similar
British Airways
Aug 12
GLA8:25 pmGlasgow Intl
1h 20m
LHR9:45 pmLondon Heathrow
Aug 19
LHR8:15 pmLondon Heathrow
1h 25m
GLA9:40 pmGlasgow Intl
$121
Find similar

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
Nov 24
GLA1:25 pmGlasgow Intl
5h 50m
1 stop
LHR7:15 pmLondon Heathrow
Dec 1
LHR5:50 pmLondon Heathrow
4h 20m
1 stop
GLA10:10 pmGlasgow Intl
$283
Find similar
KLM
Nov 12
GLA6:05 amGlasgow Intl
4h 40m
1 stop
LHR10:45 amLondon Heathrow
Nov 15
LHR4:25 pmLondon Heathrow
5h 45m
1 stop
GLA10:10 pmGlasgow Intl
$286
Find similar
KLM
Oct 3
GLA4:55 pmGlasgow Intl
4h 00m
1 stop
LHR8:55 pmLondon Heathrow
Oct 19
LHR8:55 pmLondon Heathrow
11h 15m
1 stop
GLA8:10 amGlasgow Intl
$288
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Glasgow Intl Airport to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated julio 30, 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

mié. 8/27

7:35 pm-8:55 pm

Nonstop1h 20m

London Heathrow

mié. 9/3

3:20 pm-4:45 pm

Nonstop1h 25m

$117

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

jue. 8/28

8:30 pm-9:50 pm

Nonstop1h 20m

London Heathrow

lun. 9/1

6:30 am-7:55 am

Nonstop1h 25m

$120

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

mar. 8/12

8:25 pm-9:45 pm

Nonstop1h 20m

London Heathrow

mar. 8/19

8:15 pm-9:40 pm

Nonstop1h 25m

$121

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

mar. 8/19

8:25 pm-9:45 pm

Nonstop1h 20m

London Heathrow

mar. 8/26

8:55 pm-10:25 pm

Nonstop1h 30m

$122

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

sáb. 10/18

7:45 pm-9:05 pm

Nonstop1h 20m

London Heathrow

dom. 11/2

5:55 am-7:20 am

Nonstop1h 25m

$127

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

sáb. 8/30

9:15 pm-10:35 pm

Nonstop1h 20m

London Heathrow

dom. 8/31

7:55 am-9:20 am

Nonstop1h 25m

$128

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

mié. 8/27

7:35 pm-8:55 pm

Nonstop1h 20m

London Heathrow

mié. 9/3

9:15 am-1:00 pm

1 stop3h 45m

$191

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

lun. 11/24

1:25 pm-7:15 pm

1 stop5h 50m

London Heathrow

lun. 12/1

5:50 pm-10:10 pm

1 stop4h 20m

$283

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

mié. 11/12

6:05 am-10:45 am

1 stop4h 40m

London Heathrow

sáb. 11/15

4:25 pm-10:10 pm

1 stop5h 45m

$286

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

vie. 10/3

4:55 pm-8:55 pm

1 stop4h 00m

London Heathrow

dom. 10/19

8:55 pm-8:10 am

1 stop11h 15m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $125. 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 Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $802. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $907.

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 at noon. momondo users have found flights departing from Glasgow Intl Airport to London Heathrow Airport at noon for as low as $794. 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 $847.

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 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $152 when searching 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 $122 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 July 2025, prices for Glasgow Intl Airport to London Heathrow Airport flights are approximately 23% 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

$73

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 $73. The best round-trip flight deal from Glasgow Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is $117.
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.
Search flight deals

  • 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
7,217 reviews
Search British Airways flights

  • British Airways Flights From Glasgow Intl Airport to London Heathrow Airport

    Across 21 British Airways flights from Glasgow Intl Airport to London Heathrow Airport this week, the average price was $174, with the best British Airways deals starting from $96 round-trip. 7,217 users have rated British Airways on momondo, with an average score of 6.6/10.

Traveling to a place near London?

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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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