Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £330

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Glasgow 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 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 3 November 2025.

Round-trip from

£720

One-way from

£330

Popular in

August

Cheapest in

February

Average price

£841
20/12-5/1
  • 20/12-5/1
  • 5 total stops
  • 64h 01m total
  • Glasgow to Houston
27/1
  • 27/1
  • 3 total stops
  • 52h 12m total
  • Glasgow to Houston
Highest demand for flights based on searches. 10% potential increase in price (£86 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in November 2025

Find 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 3 November 2025.

Sat 20/1222:30GLA - IAH
2 stops31h 29mMultiple Airlines
Mon 5/105:33IAH - GLA
3 stops32h 32mMultiple Airlines
Deal found 1/11£720
Mon 17/1112:45GLA - IAH
1 stop13h 15mMultiple Airlines
Fri 5/1216:45IAH - GLA
2 stops16h 25mMultiple Airlines
Deal found 3/11£909
Mon 17/1108:55GLA - IAH
1 stop17h 05mBritish Airways
Fri 5/1213:28IAH - GLA
2 stops14h 07mBritish Airways
Deal found 2/11£910
Mon 10/1112:00GLA - IAH
2 stops17h 19mAer Lingus
Mon 17/1106:08IAH - GLA
2 stops19h 42mAer Lingus
Deal found 2/11£936
Fri 7/1107:05GLA - IAH
2 stops22h 54mMultiple Airlines
Thu 20/1116:05IAH - GLA
2 stops24h 30mMultiple Airlines
Deal found 31/10£941
Fri 14/1120:10GLA - IAH
2 stops31h 20mAer Lingus
Sun 30/1105:30IAH - GLA
2 stops24h 00mAer Lingus
Deal found 2/11£970

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 3 November 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

Sat 20/12

22:30-23:59

2 stops31h 29m

Houston George Bush Intcntl

Mon 5/1

05:33-20:05

3 stops32h 32m

£720

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 20/2

12:45-14:05

1 stop31h 20m

Houston George Bush Intcntl

Tue 24/2

15:50-09:50

1 stop12h 00m

£901

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 17/11

12:45-20:00

1 stop13h 15m

Houston George Bush Intcntl

Fri 5/12

16:45-15:10

2 stops16h 25m

£909

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 27/1

19:25-17:37

3 stops52h 12m

£330

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 16/12

12:00-19:56

2 stops37h 56m

£814

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 16/12

06:25-14:05

1 stop13h 40m

£836

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 16/12

06:25-14:05

1 stop13h 40m

£843

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 3/1

11:40-22:06

2 stops40h 26m

£902

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 3/1

07:00-23:50

2 stops22h 50m

£911

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 4/1

12:45-18:15

1 stop35h 30m

£1,045

Flights are sorted by cheapest return flights first.

Deals found on 2/11

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

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

Use this chart to determine the optimal time to book a return flight from Glasgow to George Bush Intcntl. Price data was last updated on 31 October 2025.

To ensure you get the cheapest price possible for a flight from Glasgow to Houston George Bush Intcntl Airport, you should look to book at least 44 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 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 £480). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £753). 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 3 November 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 3 November 2025.
Read reviews from past customers who have flown with KLM, Virgin Atlantic, andAir France 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.

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Entertainment

7.1

Comfort

7.7

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.

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Entertainment

7.1

Comfort

7.7

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.

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Entertainment

7.1

Comfort

7.7

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.

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Entertainment

7.1

Comfort

7.7

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.

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Entertainment

7.1

Comfort

7.7

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 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 31h 20m. 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 £601, 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 Virgin Atlantic and British Airways - these airlines can fly you to your destination from £638 and £642, respectively. Users have found that KLM is 35% 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 £480). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £753). 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 9 airlines flying from Glasgow to George Bush Intcntl

Discover the top 9 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 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£468Average£670FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Turkish AirlinesCheapest£493Average£693FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest£523Average£635FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£601Average£850FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£638Average£855FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£641Average£789FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£642Average£806FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£664Average£1,013FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£723Average£808FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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.