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$75+ Cheap flights from Glasgow Intl (GLA) to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LON
Oct 18 — Oct 251
Sat 10/18
Sat 10/25
1 adult, Economy
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Cheapflights Tip: The best prices from Glasgow Intl to London are usually found in February or January, booked 68 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap flight deals from Glasgow Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 18, 2025.

Round-trip from

$118
(British Airways)

One-way from

$75
(British Airways)

Popular in

June

Cheapest in

February

Average price

$116

Good round-trip deal

$663 or less

Good one-way deal

$37 or less
From Glasgow Intl to London (LON)
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One-way flight from Glasgow Intl to London (LON)
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Highest demand for flights based on searches. 11% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Glasgow Intl to London (LON).
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Price to beat on a one-way flight from Glasgow Intl to London (LON).
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Find flight deals from Glasgow Intl to London

Cheapest flights from Glasgow Intl to London
Explore the most affordable flight options available from Glasgow Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2025.

This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:45 pmGLA - LHR
Nonstop1h 30mBritish Airways
Sat 11/17:55 pmLHR - GLA
Nonstop1h 30mBritish Airways
Deal found 9/16$118
This British Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:35 amGLA - LHR
Nonstop1h 35mBritish Airways
Sun 11/309:00 pmLHR - GLA
Nonstop1h 30mBritish Airways
Deal found 9/18$120
This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:05 pmGLA - LHR
Nonstop1h 30mBritish Airways
Sun 1/49:00 pmLHR - GLA
Nonstop1h 30mBritish Airways
Deal found 9/16$122
This British Airways deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/294:00 pmGLA - LHR
Nonstop1h 30mBritish Airways
Mon 12/19:00 pmLHR - GLA
Nonstop1h 30mBritish Airways
Deal found 9/17$129
This British Airways deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:15 pmGLA - LHR
Nonstop1h 20mBritish Airways
Sun 11/28:10 pmLHR - GLA
Nonstop1h 30mBritish Airways
Deal found 9/17$130
This British Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:50 pmGLA - LHR
Nonstop1h 20mBritish Airways
Sun 11/98:00 amLHR - GLA
Nonstop1h 25mBritish Airways
Deal found 9/18$136
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:20 pmGLA - LHR
Nonstop1h 25mBritish Airways
Tue 10/143:00 pmLHR - GLA
Nonstop1h 25mBritish Airways
Deal found 9/16$138
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:00 amGLA - LHR
Nonstop1h 35mBritish Airways
Mon 10/68:05 pmLHR - GLA
Nonstop1h 25mBritish Airways
Deal found 9/16$139
This Booking.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:35 amGLA - LHR
Nonstop1h 35mBritish Airways
Sun 11/96:55 amLHR - GLA
Nonstop1h 25mBritish Airways
Deal found 9/18$140
This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:55 amGLA - LHR
Nonstop1h 35mBritish Airways
Sat 11/156:25 amLHR - GLA
Nonstop1h 25mBritish Airways
Deal found 9/16$143
This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:30 pmGLA - LHR
Nonstop1h 20mBritish Airways
Sun 10/57:55 amLHR - GLA
Nonstop1h 25mBritish Airways
Deal found 9/16$150

Cheapflights Fare Finder

 
Customize your flight search to find flights from Glasgow Intl to London 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, Cheapflights users made 2,558,603 searches. Data last updated September 18, 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to London that are best for you.

Fly from

Glasgow Intl

Fly to

London

Route

Depart

Return

Price

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sun 11/30

6:35 am-8:10 am

Nonstop1h 35m

London Heathrow

Sun 11/30

9:00 pm-10:30 pm

Nonstop1h 30m

$120

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 12/19

4:05 pm-5:35 pm

Nonstop1h 30m

London Heathrow

Sun 1/4

9:00 pm-10:30 pm

Nonstop1h 30m

$122

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 2/6

8:25 pm-9:45 pm

Nonstop1h 20m

London Heathrow

Sun 2/8

9:20 am-10:45 am

Nonstop1h 25m

$122

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Mon 3/16

7:35 am-9:10 am

Nonstop1h 35m

London Heathrow

Mon 3/23

7:55 pm-9:25 pm

Nonstop1h 30m

$123

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Tue 3/17

7:25 am-9:00 am

Nonstop1h 35m

London Heathrow

Sun 3/22

8:00 am-9:25 am

Nonstop1h 25m

$123

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Mon 3/16

7:35 am-9:10 am

Nonstop1h 35m

London Heathrow

Sun 3/22

6:55 am-8:20 am

Nonstop1h 25m

$123

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 2/7

4:00 pm-5:30 pm

Nonstop1h 30m

London Heathrow

Mon 2/9

7:55 pm-9:25 pm

Nonstop1h 30m

$123

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Wed 2/18

5:55 am-7:30 am

Nonstop1h 35m

London Heathrow

Fri 2/20

6:25 am-7:50 am

Nonstop1h 25m

$126

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Mon 11/24

9:45 am-11:20 am

Nonstop1h 35m

London Heathrow

Mon 12/1

9:00 pm-10:30 pm

Nonstop1h 30m

$129

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Thu 10/30

12:45 pm-2:15 pm

Nonstop1h 30m

London Heathrow

Sun 11/2

1:25 pm-2:55 pm

Nonstop1h 30m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 20 results
1
2

Best time to book a flight from Glasgow Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Glasgow Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Glasgow Intl Airport to London

How far ahead should I book a flight from Glasgow Intl Airport to London?

Use this chart to determine the optimal time to book a round-trip flight from Glasgow Intl to London. Price data was last updated on September 12, 2025.

The price you pay for your flight from Glasgow Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Glasgow Intl Airport to London?

Currently, November is the cheapest month in which you can book a flight from Glasgow Intl Airport to London (average of $661). Flying from Glasgow Intl Airport to London in June is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GLA to LON?

Find hourly flight availability from Glasgow Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 78% on flights from Glasgow Intl Airport to London by exploring options for tickets in the evening.

What is the cheapest day to fly from Glasgow Intl Airport to London?

Use this chart to determine the cheapest time to fly round-trip from Glasgow Intl to London. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Glasgow Intl Airport to London flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Glasgow Intl Airport to London

Explore weekly flight availability from Glasgow Intl to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 18, 2025.

The most flights from GLA to LON are scheduled on a Wednesday (64 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Glasgow Intl Airport to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated September 18, 2025.
Read reviews from past customers who have flown easyJet and British Airways from Glasgow Intl Airport to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
easyJet
6.9
Okay
1,822 reviews

Crew

7.6

Comfort

6.7

Entertainment

5.5

Food

5.9

Overall

6.9

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Matt,Sep 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
easyJet
6.9
Okay
1,822 reviews
easyJet
6.9
Okay
1,822 reviews

Crew

7.6

Comfort

6.7

Entertainment

5.5

Food

5.9

Overall

6.9

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Matt,Sep 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
British Airways
6.7
Okay
7,367 reviews
easyJet
6.9
Okay
1,822 reviews

Crew

7.6

Comfort

6.7

Entertainment

5.5

Food

5.9

Overall

6.9

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Matt,Sep 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Glasgow Intl Airport to London?

    British Airways can get you from Glasgow Intl Airport to London in just under 1h 35m. Your travel time will be generally consistent. Glasgow Intl Airport and London are separated by a distance of 345 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Glasgow Intl Airport to London round-trip?

    Our cheapest airline available from Glasgow Intl Airport to London is easyJet. Our recent data shows that you can find tickets from as low as $47 on this airline. An additional option worth looking into is British Airways, starting at $98. Users have found that easyJet is 53% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Glasgow Intl Airport to London?

    No one likes to see their flight delayed. When booking a flight from Glasgow Intl Airport to London consider choosing American Airlines (84%), Finnair (78%) or Iberia (77%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Glasgow Intl Airport to London?

    Looking at all options, your cheapest flight can be booked for $103. While the most popular route (Glasgow Intl - London Heathrow) can be booked for $84 on average, our data indicates $580 when flying from Glasgow Intl Airport to London.

  • Can I find deals for flights from Glasgow Intl to London that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to London.

  • Can I find deals for business class flights from Glasgow Intl to London?

    Yes. Cheapflights offers flight deals from Glasgow Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Glasgow Intl Airport to London?

    Currently, November is the cheapest month in which you can book a flight from Glasgow Intl Airport to London (average of $661). Flying from Glasgow Intl Airport to London in June is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Glasgow Intl to London

See prices for flight routes from nearby airports that may be better suited for you.
Glasgow Intl to Heathrow flights

Top 2 airlines flying from Glasgow Intl to London

Discover the top 2 airlines that operate flights from Glasgow Intl to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest$47Average$112FlexibilityNo cancel feeOn-time86%
British AirwaysCheapest$98Average$213FlexibilityNo cancel feeOn-time70%

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