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Cheap flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport from £256

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
9 Nov — 16 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Glasgow Intl to Houston George Bush Intcntl are usually found in February or March, booked 44 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Glasgow Intl to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) 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 10 October 2025.

Round-trip from

£632

One-way from

£256

Popular in

August

Cheapest in

February

Average price

£857
Lufthansa
  • Lufthansa
  • 20/2-15/3
  • 3 total stops
  • 45h 12m total
  • Glasgow to Houston
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3/12
  • 3/12
  • 3 total stops
  • 56h 28m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£85 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Glasgow Intl to George Bush Intcntl

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow Intl to George Bush Intcntl
Explore the most affordable flight options available from Glasgow Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2025.

Mon 10/1112:45GLA - IAH
1 stop13h 15mBritish Airways
Mon 17/1121:45IAH - GLA
1 stop12h 50mBritish Airways
Deal found 10/10£863
Tue 11/1106:00GLA - IAH
1 stop14h 35mLufthansa
Tue 18/1116:30IAH - GLA
1 stop13h 35mLufthansa
Deal found 9/10£866
Mon 10/1106:05GLA - IAH
1 stop13h 25mDelta
Mon 17/1112:59IAH - GLA
2 stops17h 46mDelta
Deal found 10/10£866
Tue 11/1106:05GLA - IAH
1 stop13h 25mDelta
Tue 18/1112:30IAH - GLA
2 stops22h 05mDelta
Deal found 9/10£869
Mon 17/1106:35GLA - IAH
1 stop13h 30mBritish Airways
Fri 5/1215:50IAH - GLA
1 stop11h 45mBritish Airways
Deal found 10/10£894
Mon 17/1106:05GLA - IAH
1 stop13h 25mDelta
Fri 5/1216:28IAH - GLA
2 stops18h 07mDelta
Deal found 10/10£897

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow Intl 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 10 October 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Glasgow Intl

Fly to

George Bush Intcntl

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 1/1

07:15-19:46

2 stops18h 31m

Houston George Bush Intcntl

Thu 8/1

06:00-20:05

3 stops32h 05m

£818

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 12/11

05:55-14:05

1 stop14h 10m

Houston George Bush Intcntl

Tue 18/11

15:50-13:05

1 stop15h 15m

£863

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 10/11

12:45-20:00

1 stop13h 15m

Houston George Bush Intcntl

Mon 17/11

21:45-16:35

1 stop12h 50m

£863

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 11/11

06:25-14:05

1 stop13h 40m

Houston George Bush Intcntl

Tue 18/11

15:50-10:45

1 stop12h 55m

£863

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 11/11

06:00-14:35

1 stop14h 35m

Houston George Bush Intcntl

Tue 18/11

16:30-12:05

1 stop13h 35m

£866

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 11/11

06:05-13:30

1 stop13h 25m

Houston George Bush Intcntl

Tue 18/11

12:35-12:45

2 stops18h 10m

£866

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 12/11

06:05-13:30

1 stop13h 25m

Houston George Bush Intcntl

Tue 18/11

14:27-16:35

2 stops20h 08m

£866

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 3/12

20:45-23:13

3 stops56h 28m

£256

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 3/12

11:40-00:59

2 stops19h 19m

£594

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 3/12

05:55-14:05

1 stop14h 10m

£607

Flights are sorted by cheapest return flights first.

Deals found on 8/10

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

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

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

Use this chart to determine the optimal time to book a return flight from Glasgow Intl to George Bush Intcntl. Price data was last updated on 3 October 2025.

The price you pay for your flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 44 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 Houston George Bush Intcntl Airport?

Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport (average of £525). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,127). 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 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 10 October 2025.
See what other customers who have flown with KLM, Air France, andVirgin Atlantic from Glasgow Intl Airport to Houston George Bush Intcntl Airport have to say. 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
1,401 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,401 reviews
KLM
7.7
Good
1,401 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air France
7.4
Good
1,468 reviews
KLM
7.7
Good
1,401 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.4
Good
665 reviews
KLM
7.7
Good
1,401 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,449 reviews
KLM
7.7
Good
1,401 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

    There are many flights that can get you from Glasgow Intl Airport to Houston George Bush Intcntl Airport in 14h 10m. Fly via British Airways to get the fastest option. Airlines will cover a distance of 4560 mi.

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

    Cheapflights users have booked flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport round-trip from £594. Other airlines that can offer you cheap pricing are Virgin Atlantic, from £630, and British Airways, from £634. KLM is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport (average of £525). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,127). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
The Woodlands

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Alternative routes for Glasgow Intl to George Bush Intcntl

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

Top 4 airlines flying from Glasgow Intl to George Bush Intcntl

Discover the top 4 airlines that operate flights from Glasgow Intl 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 10 October 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£594Average£863FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£630Average£899FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£634Average£857FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£683Average£1,168FlexibilityNo cancel feeOn-time77%
Search Air France flights

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

When you search for this flight from Glasgow Intl to George Bush Intcntl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to George Bush Intcntl from Glasgow Intl.

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

Need flexible booking options for your flight to George Bush Intcntl from Glasgow Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Glasgow Intl 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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