HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$44+ Cheap flights from Glasgow Intl (GLA) to Heathrow (LHR)

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LHR
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Glasgow Intl to Heathrow with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Glasgow Intl to London Heathrow are usually found in January or February, booked 86 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Glasgow Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Heathrow (LHR). 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 December 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$87
(British Airways)

One-way from

$44
(British Airways)

Popular in

July

Cheapest in

January

Average price

$136
Provider with most accurate pricing for Glasgow Intl-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Glasgow Intl-London Heathrow flights.
Search Deals
From Glasgow Intl to London Heathrow
Search Deals
One-way flight from Glasgow Intl to London Heathrow
Search Deals
High demand for flights, 11% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Glasgow Intl to Heathrow

Cheapest flights from Glasgow Intl to Heathrow
Explore the most affordable flight options available from Glasgow Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This British Airways deal was found by Cheapflights users on 12/19. 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.
Mon 12/238:20 pmGLA - LHR
Nonstop1h 25mBritish Airways
Sun 1/56:55 amLHR - GLA
Nonstop1h 25mBritish Airways
Deal found 12/19$122
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/227:45 amGLA - LHR
1 stop14h 05mMultiple Airlines
Tue 1/73:05 pmLHR - GLA
Nonstop1h 30mMultiple Airlines
Deal found 12/19$233
This KLM deal was found by Cheapflights users on 12/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/251:25 pmGLA - LHR
1 stop7h 25mKLM
Mon 1/65:50 pmLHR - GLA
1 stop4h 15mKLM
Deal found 12/19$339
This Gotogate deal was found by Cheapflights users on 12/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/228:25 amGLA - LHR
1 stop10h 25mAer Lingus
Sun 12/2210:05 pmLHR - GLA
1 stop14h 10mAer Lingus
Deal found 12/19$690
This OneTravel deal was found by Cheapflights users on 12/19. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2212:35 pmGLA - LHR
1 stop5h 10mLufthansa
Sun 12/228:15 pmLHR - GLA
2 stops15h 40mLufthansa
Deal found 12/19$4,915
This Emirates deal was found by Cheapflights users on 12/19. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:25 pmGLA - LHR
1 stop22h 15mEmirates
Mon 1/68:40 pmLHR - GLA
1 stop13h 15mEmirates
Deal found 12/19$7,913

Find flights from Glasgow Intl to Heathrow within your budget

Customize your flight search to find flights from Glasgow Intl to Heathrow 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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Tue 4/15

5:30 pm-6:50 pm

Nonstop1h 20m

London Heathrow

Tue 4/22

7:05 am-8:30 am

Nonstop1h 25m

$87

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Thu 1/16

7:25 am-2:25 pm

1 stop7h 00m

London Heathrow

Thu 1/23

6:05 am-7:30 am

Nonstop1h 25m

$168

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 2/1

6:05 am-12:05 pm

1 stop6h 00m

London Heathrow

Sat 2/8

5:50 pm-10:05 pm

1 stop4h 15m

$255

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sun 2/2

7:35 pm-3:30 pm

1 stop19h 55m

London Heathrow

Sun 2/9

11:20 am-9:45 pm

1 stop10h 25m

$427

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 2/1

1:25 pm-7:10 am

1 stop17h 45m

London Heathrow

Sat 2/8

8:40 pm-9:55 am

1 stop13h 15m

$3,597

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Tue 4/29

5:30 pm-6:50 pm

Nonstop1h 20m

$44

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 2/15

4:10 pm-9:55 pm

1 stop5h 45m

$92

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Thu 3/6

12:05 pm-7:35 pm

1 stop7h 30m

$176

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Mon 4/28

6:00 am-9:25 pm

2 stops15h 25m

$289

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Mon 3/17

5:55 am-9:35 am

2 stops27h 40m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 12 results
1
2

Compare providers for flights from Glasgow Intl to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Glasgow Intl to Heathrow in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Glasgow Intl Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Glasgow Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Glasgow Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Glasgow Intl Airport-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Glasgow Intl Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Glasgow Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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.

Travel insights for flights from Glasgow Intl to Heathrow

Get recent, data-driven insights about flights from Glasgow Intl to Heathrow including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Glasgow Intl to Heathrow. Price data was last updated on December 13, 2024.

To ensure you get the cheapest price possible for a flight from Glasgow Intl Airport to London Heathrow Airport, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Glasgow Intl Airport to London Heathrow Airport (average of $661). Flying from Glasgow Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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 LHR?

Find hourly flight availability from Glasgow Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

One of the essential ways to save on airfare from Glasgow Intl Airport to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 48% on airfare.

Weekly flight availability from Glasgow Intl Airport to London Heathrow Airport

Explore weekly flight availability from Glasgow Intl to Heathrow. 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 December 19, 2024.

The most flights from GLA to LHR are scheduled on a Thursday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated December 19, 2024.
Read reviews from past customers who have flown British Airways and KLM from Glasgow to London. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,410 reviews

Comfort

8.0

Crew

8.3

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Worst experience. The staff at the airport were unprofessional, uncourtious, disrespectful and straight up discriminating. I will never travel via emirates again. And the flight was delayed too.

Emirates
8.1
Very good
3,410 reviews
Emirates
8.1
Very good
3,410 reviews

Comfort

8.0

Crew

8.3

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Worst experience. The staff at the airport were unprofessional, uncourtious, disrespectful and straight up discriminating. I will never travel via emirates again. And the flight was delayed too.

KLM
7.8
Good
1,349 reviews
Emirates
8.1
Very good
3,410 reviews

Comfort

8.0

Crew

8.3

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Worst experience. The staff at the airport were unprofessional, uncourtious, disrespectful and straight up discriminating. I will never travel via emirates again. And the flight was delayed too.

LOT
7.6
Good
1,129 reviews
Emirates
8.1
Very good
3,410 reviews

Comfort

8.0

Crew

8.3

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Worst experience. The staff at the airport were unprofessional, uncourtious, disrespectful and straight up discriminating. I will never travel via emirates again. And the flight was delayed too.

Air France
7.4
Good
1,502 reviews
Emirates
8.1
Very good
3,410 reviews

Comfort

8.0

Crew

8.3

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Worst experience. The staff at the airport were unprofessional, uncourtious, disrespectful and straight up discriminating. I will never travel via emirates again. And the flight was delayed too.

Lufthansa
6.8
Okay
7,089 reviews
Emirates
8.1
Very good
3,410 reviews

Comfort

8.0

Crew

8.3

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Worst experience. The staff at the airport were unprofessional, uncourtious, disrespectful and straight up discriminating. I will never travel via emirates again. And the flight was delayed too.

Related info for your journey

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

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

    British Airways, at $87, was found to be the cheapest airline from Glasgow Intl Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include KLM and Loganair. These flights start at 39% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Glasgow Intl Airport to London Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Glasgow Intl Airport to London Heathrow Airport are British Airways ($44), Loganair ($176), and Air France ($289).

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

    The top 3 most reliable airlines when flying from Glasgow Intl Airport to London Heathrow Airport are Iberia (72%), China Southern (71%) and Qatar Airways (71%).

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

    Looking for the cheapest flight from Glasgow Intl Airport to London Heathrow Airport? While on average our users pay $1,414, our data indicates the cheapest price to be $53. The most popular route (Glasgow Intl - London Heathrow), is priced around $84.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Glasgow Intl to Heathrow 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 Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Glasgow Intl Airport to London Heathrow Airport (average of $661). Flying from Glasgow Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Glasgow Intl to Heathrow

Discover the top airline that operate flights from Glasgow Intl to Heathrow. 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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$96Average$183FlexibilityNo cancel feeOn-time70%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.