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Cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport from £195

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
23 Jul — 30 Jul1
1 adult

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Glasgow Intl are usually found in October or April, booked 16 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from George Bush Intcntl to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Glasgow Intl (GLA). 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 18 July 2025.

Round-trip from

£468

One-way from

£195

Popular in

June

Cheapest in

October

Average price

£797
British Airways
  • British Airways
  • 15/10-5/11
  • 3 total stops
  • 32h 08m total
  • Houston to Glasgow
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12/9
  • 12/9
  • 2 total stops
  • 48h 32m total
  • Houston to Glasgow
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£127 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from George Bush Intcntl to Glasgow Intl

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

Wed 15/1021:00IAH - GLA
1 stop12h 35mBritish Airways
Wed 5/1109:45GLA - IAH
2 stops19h 33mBritish Airways
Deal found 16/7£468
Wed 15/1010:00IAH - GLA
2 stops20h 25mMultiple Airlines
Fri 24/1006:10GLA - IAH
2 stops34h 54mMultiple Airlines
Deal found 16/7£474
Wed 15/1018:23IAH - GLA
2 stops15h 12mAmerican Airlines
Wed 5/1105:55GLA - IAH
2 stops17h 51mAmerican Airlines
Deal found 18/7£480
Wed 15/1015:35IAH - GLA
1 stop14h 50mLufthansa
Wed 5/1112:40GLA - IAH
1 stop31h 55mLufthansa
Deal found 18/7£509
Wed 13/815:30IAH - GLA
1 stop18h 40mKLM
Mon 18/816:55GLA - IAH
1 stop26h 20mKLM
Deal found 18/7£521
Tue 25/1115:25IAH - GLA
2 stops19h 10mDelta
Wed 3/1206:05GLA - IAH
1 stop13h 25mDelta
Deal found 17/7£526

Cheapflights Fare Finder

Customise your flight search to find flights from George Bush Intcntl to Glasgow Intl 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 18 July 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport that are best for you.

Fly from

George Bush Intcntl

Fly to

Glasgow Intl

Route

Depart

Return

Price

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

21:00-15:35

1 stop12h 35m

Glasgow Intl

Wed 5/11

09:45-23:18

2 stops19h 33m

£468

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

10:00-12:25

2 stops20h 25m

Glasgow Intl

Fri 24/10

06:10-11:04

2 stops34h 54m

£474

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

18:23-15:35

2 stops15h 12m

Glasgow Intl

Wed 5/11

05:55-17:46

2 stops17h 51m

£480

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

15:35-12:25

1 stop14h 50m

Glasgow Intl

Wed 5/11

12:40-14:35

1 stop31h 55m

£509

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 13/8

15:30-16:10

1 stop18h 40m

Glasgow Intl

Mon 18/8

16:55-13:15

1 stop26h 20m

£521

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 25/11

10:45-12:45

2 stops20h 00m

Glasgow Intl

Wed 3/12

06:05-13:30

1 stop13h 25m

£526

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 12/9

12:58-19:30

2 stops48h 32m

£195

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 12/9

21:00-22:20

1 stop19h 20m

£272

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Best time to book a flight from George Bush Intcntl to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from George Bush Intcntl 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.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

Use this chart to determine the optimal time to book a return flight from George Bush Intcntl to Glasgow Intl. Price data was last updated on 11 July 2025.

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport, you should look to book at least 16 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 Houston George Bush Intcntl Airport to Glasgow Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of £97). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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.

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. 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 Glasgow Intl. Reviews last updated 18 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andAmerican Airlines from Houston George Bush Intcntl Airport to Glasgow Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,958 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,374 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,216 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,151 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Glasgow Intl. 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 Houston George Bush Intcntl Airport to Glasgow Intl Airport round-trip?

    Currently priced at £468, British Airways will fly you from Houston George Bush Intcntl Airport to Glasgow Intl Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Lufthansa - these airlines can fly you to your destination from £480 and £509, respectively. British Airways is priced at 24% lower than the current average price of a flight leaving 3 months from now.

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

    Yes. In addition to deals on George Bush Intcntl to Glasgow Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Glasgow Intl?

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

  • Can I find deals for business class flights from George Bush Intcntl to Glasgow Intl?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Glasgow Intl 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 Houston George Bush Intcntl Airport to Glasgow Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of £97). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Largs
Renfrew
Kilmarnock
Dunoon
East Kilbride
Dumbarton
Arrochar
Clydebank
Inveraray
Ballachulish
Rothesay
Alexandria
Tarbert
Balloch

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Top airline flying from George Bush Intcntl to Glasgow Intl

Discover the top airline that operate flights from George Bush Intcntl to Glasgow Intl. 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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£457Average£631FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from George Bush Intcntl to Glasgow Intl?

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Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Glasgow Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from George Bush Intcntl to Glasgow Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from George Bush Intcntl to Glasgow Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from George Bush Intcntl to Glasgow Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from George Bush Intcntl to Glasgow Intl become cheaper?

Yes, Cheapflights offers price alerts on George Bush Intcntl to Glasgow Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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