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Cheap flights from Glasgow to London Heathrow Airport from £34

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — LHR
27 Dec — 3 Jan1
1 adult

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

Cheap flight deals from Glasgow to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) 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 22 December 2024.

Round-trip from

£68

One-way from

£34

Popular in

July

Cheapest in

January

Average price

£108
British Airways
  • British Airways
  • 7/5-13/5
  • Nonstop
  • 2h 45m total
  • Glasgow to London
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British Airways
  • British Airways
  • 28/4
  • Nonstop
  • 1h 25m total
  • Glasgow to London
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
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Find flight deals from Glasgow to Heathrow

Cheapest flights from Glasgow to Heathrow
Explore the most affordable flight options available from Glasgow to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 December 2024.

Fri 27/1220:25GLA - LHR
Nonstop1h 25mBritish Airways
Tue 31/1219:55LHR - GLA
Nonstop1h 30mBritish Airways
Deal found 21/12£154
Tue 24/1208:20GLA - LHR
1 stop6h 25mMultiple Airlines
Tue 31/1219:55LHR - GLA
Nonstop1h 30mMultiple Airlines
Deal found 21/12£206
Tue 24/1208:20GLA - LHR
1 stop7h 15mAer Lingus
Tue 31/1219:45LHR - GLA
1 stop12h 05mAer Lingus
Deal found 21/12£237
Fri 27/1209:05GLA - LHR
1 stop7h 00mKLM
Wed 1/108:40LHR - GLA
1 stop4h 00mKLM
Deal found 21/12£364
Sun 22/1209:05GLA - LHR
2 stops12h 20mAir France
Wed 25/1206:20LHR - GLA
2 stops10h 15mAir France
Deal found 21/12£760
Thu 26/1212:35GLA - LHR
1 stop6h 55mEmirates
Fri 27/1219:00LHR - GLA
1 stop16h 35mEmirates
Deal found 21/12£3,030
Mon 23/1212:35GLA - LHR
2 stops8h 25mLufthansa
Fri 27/1211:10LHR - GLA
2 stops12h 05mLufthansa
Deal found 21/12£3,918

Find flights from Glasgow to Heathrow within your budget

Customise your flight search to find flights from Glasgow 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 858,174 searches. Data last updated 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Wed 7/5

20:30-21:50

Nonstop1h 20m

London Heathrow

Tue 13/5

06:15-07:40

Nonstop1h 25m

£68

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 18/1

16:10-21:55

1 stop5h 45m

London Heathrow

Sun 19/1

06:55-08:20

Nonstop1h 25m

£125

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Tue 4/2

10:40-19:15

1 stop8h 35m

London Heathrow

Tue 11/2

17:50-22:05

1 stop4h 15m

£201

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Sat 11/1

12:00-16:50

1 stop4h 50m

London Heathrow

Mon 13/1

20:45-07:50

1 stop11h 05m

£304

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Thu 17/4

12:05-19:35

1 stop7h 30m

London Heathrow

Fri 18/4

08:45-11:35

1 stop2h 50m

£306

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Mon 28/4

18:10-19:35

Nonstop1h 25m

£34

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Mon 10/3

22:30-10:15

1 stop11h 45m

£62

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Fri 24/1

20:00-08:05

1 stop12h 05m

£85

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Mon 17/3

12:05-19:35

1 stop7h 30m

£158

GlasgowLondon

GLA - LHR

GLALHR

Glasgow Intl

Thu 2/1

06:35-08:10

Nonstop1h 35m

£165

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 14 results
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Best time to book a flight from Glasgow to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Glasgow with our price prediction graph.
Estimated return 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 to Heathrow

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

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

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

The price you pay for your flight from Glasgow to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 86 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 to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Glasgow to London Heathrow Airport (average of £112). Flying from Glasgow to London Heathrow Airport in July is currently the most expensive (average of £160). 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 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 22 December 2024.

A simple way to save on the total cost of your ticket is to fly from Glasgow to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight at midday.

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

Use this chart to determine the cheapest time to fly return from Glasgow to Heathrow. Price data was last updated on 16 December 2024.

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

Weekly flight availability from Glasgow to London Heathrow Airport

Explore weekly flight availability from Glasgow 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 22 December 2024.

The most flights from GG1 to LHR are scheduled on a Sunday (48 on average). You will have fewer flight options on Wednesday, 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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 22 December 2024.
Get a feel of what it's like to fly with British Airways, KLM and Aer Lingus from Glasgow to London by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,342 reviews
Check prices

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,342 reviews
KLM
7.8
Good
1,342 reviews
Check prices

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

LOT
7.6
Good
1,127 reviews
KLM
7.8
Good
1,342 reviews
Check prices

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Air France
7.4
Good
1,501 reviews
KLM
7.8
Good
1,342 reviews
Check prices

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Aer Lingus
7.1
Good
1,075 reviews
KLM
7.8
Good
1,342 reviews
Check prices

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Iberia
7.0
Good
2,652 reviews
KLM
7.8
Good
1,342 reviews
Check prices

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Related info for your journey

Find useful and relevant information for your journey from Glasgow 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 to London Heathrow Airport round-trip?

    Currently priced at £68, British Airways will fly you from Glasgow to London Heathrow Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Aer Lingus - these airlines can fly you to your destination from £201 and £304, respectively. British Airways is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £34. Aer Lingus flights start at £85 while deals on Loganair start at £138 one-way.

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

    Before booking your flight to London Heathrow Airport from Glasgow, check out the most reliable airlines to get you to your destination on time: Iberia (72%), China Southern (71%), Qatar Airways( 71%).

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

    Looking at all options, your cheapest flight can be booked for £45. While the most popular route (Glasgow Intl - London Heathrow) can be booked for £68 on average our data indicates £1,604 when flying from Glasgow to London Heathrow Airport.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Glasgow to London Heathrow Airport (average of £112). Flying from Glasgow to London Heathrow Airport in July is currently the most expensive (average of £160). 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 to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Glasgow to Heathrow

Discover the top 3 airlines that operate flights from Glasgow 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 858,174 searches. Data last updated 22 December 2024.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£36Average£79FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£69Average£132FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£148Average£179FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Glasgow to Heathrow?

Cheapflights helps you search for flights from Glasgow to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Glasgow to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Glasgow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Glasgow to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Glasgow to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Glasgow to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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