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Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £537

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow to George Bush Intcntl

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow to George Bush Intcntl
Explore the most affordable flight options available from Glasgow to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 December 2025.

Sat 20/1207:45GLA - IAH
2 stops35h 25mMultiple Airlines
Sat 27/1205:33IAH - GLA
3 stops32h 22mMultiple Airlines
Deal found 8/12£1,149
Sat 20/1216:30GLA - IAH
2 stops27h 35mAer Lingus
Sat 27/1206:29IAH - GLA
2 stops19h 21mAer Lingus
Deal found 8/12£1,169
Sat 20/1206:35GLA - IAH
1 stop13h 30mBritish Airways
Sat 27/1215:50IAH - GLA
1 stop12h 55mBritish Airways
Deal found 8/12£1,613

Find flight deals from Glasgow to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) to George Bush Intcntl (IAH). 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 9 December 2025.

Round-trip from

£537

Popular in

August

Cheapest in

February

Average price

£1,101
22/1-29/1
  • 22/1-29/1
  • 4 total stops
  • 42h 39m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow to George Bush Intcntl 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 9 December 2025.
Use the filters below to find and compare flights from Glasgow to Houston George Bush Intcntl Airport that are best for you.

Fly from

Glasgow

Fly to

George Bush Intcntl

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 22/1

08:20-23:34

2 stops21h 14m

Houston George Bush Intcntl

Thu 29/1

16:30-12:05

1 stop13h 35m

£630

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 22/1

06:05-13:30

1 stop13h 25m

Houston George Bush Intcntl

Thu 29/1

15:30-09:55

1 stop12h 25m

£901

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 26/2

06:05-13:30

1 stop13h 25m

Houston George Bush Intcntl

Thu 12/3

07:00-08:30

2 stops20h 30m

£901

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 22/1

12:45-20:00

1 stop13h 15m

Houston George Bush Intcntl

Mon 26/1

21:45-18:15

1 stop14h 30m

£906

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 23/1

06:35-14:05

1 stop13h 30m

Houston George Bush Intcntl

Mon 26/1

08:00-09:50

2 stops19h 50m

£906

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 16/12

06:25-14:05

1 stop13h 40m

£983

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 16/12

06:25-19:56

2 stops19h 31m

£1,008

Flights are sorted by cheapest return flights first.

Deals found on 7/12

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

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Glasgow to Houston George Bush Intcntl Airport?

Currently, June is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £479). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £743). 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 IAH?

Find hourly flight availability from Glasgow to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 December 2025.

It’s optimal to fly from Glasgow to Houston George Bush Intcntl Airport in the evening. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight at midday.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated 9 December 2025.
Read reviews from past customers who have flown with KLM, Virgin Atlantic, andBritish Airways from Glasgow to Houston George Bush Intcntl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,431 reviews
Check prices

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,431 reviews
KLM
7.7
Good
1,431 reviews
Check prices

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,431 reviews
Check prices

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,571 reviews
KLM
7.7
Good
1,431 reviews
Check prices

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

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

    Departing from Glasgow to Houston George Bush Intcntl Airport will take you 13h 25m. The distance between Glasgow and Houston George Bush Intcntl Airport is about 4560 mi.

  • What are the cheapest airlines flying from Glasgow to Houston George Bush Intcntl Airport round-trip?

    Currently priced at £593, KLM will fly you from Glasgow to Houston George Bush Intcntl Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Virgin Atlantic - these airlines can fly you to your destination from £624 and £629, respectively. Users have found that KLM is 36% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £479). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £743). 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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Top 10 airlines flying from Glasgow to George Bush Intcntl

Discover the top 10 airlines that operate flights from Glasgow to George Bush Intcntl. 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 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£448Average£679FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£462Average£728FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Turkish AirlinesCheapest£487Average£684FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest£515Average£653FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£593Average£830FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£624Average£788FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£629Average£841FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£633Average£779FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£656Average£866FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£714Average£798FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Deals for Glasgow to George Bush Intcntl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Glasgow to George Bush Intcntl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Yes, Cheapflights offers price alerts on Glasgow to George Bush Intcntl 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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