Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £625
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
25 Dec — 1 Jan1
Return
1 adult
Economy
Return
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 25 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 25 November 2025.
Wed 17/1205:55GLA - IAH
1 stop14h 10mBritish Airways
Wed 14/115:50IAH - GLA
1 stop15h 00mBritish Airways
Deal found 24/11£1,028
Best flights from Glasgow to George Bush Intcntl
Discover carefully curated flight deals from Glasgow to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 November 2025.
Tue 17/307:00GLA - IAH
3 stops45h 51mMultiple Airlines
Tue 31/311:15IAH - GLA
2 stops22h 15mMultiple Airlines
Deal found 24/11£625
Tue 17/306:25GLA - IAH
1 stop13h 40mBritish Airways
Tue 31/315:30IAH - GLA
1 stop14h 40mBritish Airways
Deal found 24/11£827
Tue 27/106:05GLA - IAH
1 stop13h 25mDelta
Wed 4/209:54IAH - GLA
2 stops18h 01mDelta
Deal found 23/11£872
Thu 22/109:55GLA - IAH
1 stop16h 05mAmerican Airlines
Mon 26/121:45IAH - GLA
1 stop14h 30mAmerican Airlines
Deal found 23/11£901
Mon 4/519:55GLA - IAH
3 stops32h 45mMultiple Airlines
Mon 25/518:10IAH - GLA
3 stops33h 30mMultiple Airlines
Deal found 24/11£682
Thu 22/109:55GLA - IAH
2 stops18h 29mBritish Airways
Mon 26/111:18IAH - GLA
2 stops16h 32mBritish Airways
Deal found 22/11£909
Tue 27/117:45GLA - IAH
1 stop26h 20mMultiple Airlines
Wed 4/215:50IAH - GLA
1 stop12h 55mMultiple Airlines
Deal found 23/11£873
Mon 4/509:05GLA - IAH
1 stop16h 10mBritish Airways
Mon 25/515:30IAH - GLA
1 stop12h 35mBritish Airways
Deal found 24/11£927
Last-minute flights from Glasgow to George Bush Intcntl
Discover last-minute flight deals from Glasgow to George Bush Intcntl. Data last updated 25 November 2025 and is based on user searches.
Wed 17/1205:55GLA - IAH
1 stop14h 10mBritish Airways
Wed 14/115:50IAH - GLA
1 stop15h 00mBritish Airways
Deal found 24/11£1,028
One-way flights from Glasgow to George Bush Intcntl
Search for one-way flight options from Glasgow to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 25 November 2025.
Tue 16/1219:10GLA - IAH
1 stop24h 55mIberia
Deal found 23/11£807
Thu 4/1212:45GLA - IAH
1 stop13h 15mFinnair
Deal found 23/11£963
Thu 4/1211:30GLA - IAH
2 stops16h 25mBritish Airways
Deal found 23/11£976
Tue 16/1212:45GLA - IAH
2 stops36h 40mFinnair
Deal found 24/11£984
Tue 2/1206:25GLA - IAH
1 stop13h 40mMultiple Airlines
Deal found 23/11£1,392
Mon 5/106:35GLA - IAH
1 stop13h 30mMultiple Airlines
Deal found 23/11£1,395
Mon 5/111:35GLA - IAH
2 stops16h 31mIberia
Deal found 23/11£2,397
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 25 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
Tue 17/3
07:00-23:51
3 stops45h 51m
Houston George Bush Intcntl
Tue 31/3
11:15-15:30
2 stops22h 15m
£625
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Mon 4/5
19:55-22:40
3 stops32h 45m
Houston George Bush Intcntl
Mon 25/5
18:10-09:40
3 stops33h 30m
£682
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Tue 17/3
06:25-15:05
1 stop13h 40m
Houston George Bush Intcntl
Tue 31/3
15:30-12:10
1 stop14h 40m
£827
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Tue 27/1
06:05-13:30
1 stop13h 25m
Houston George Bush Intcntl
Wed 4/2
09:54-09:55
2 stops18h 01m
£872
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Tue 27/1
17:45-14:05
1 stop26h 20m
Houston George Bush Intcntl
Wed 4/2
15:50-10:45
1 stop12h 55m
£873
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Thu 22/1
09:55-20:00
1 stop16h 05m
Houston George Bush Intcntl
Mon 26/1
21:45-18:15
1 stop14h 30m
£901
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Thu 22/1
09:55-22:24
2 stops18h 29m
Houston George Bush Intcntl
Mon 26/1
11:18-09:50
2 stops16h 32m
£909
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Mon 4/5
09:05-19:15
1 stop16h 10m
Houston George Bush Intcntl
Mon 25/5
15:30-10:05
1 stop12h 35m
£927
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Tue 16/12
19:10-14:05
1 stop24h 55m
£807
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Thu 4/12
12:45-20:00
1 stop13h 15m
£963
Flights are sorted by cheapest return flights first.
Deals found on 23/11
Showing 1-10 of 15 results
1
2
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 21 November 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 £485). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £756). 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 25 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 25 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.
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.
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.
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.
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.
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 13h 40m. 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 £604, 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 £640 and £644, respectively. Users have found that KLM is 36% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Glasgow to Houston George Bush Intcntl Airport one-way?
One-way options have recently been found by users for as low as £807 on Iberia. Other airlines that offer cheap prices include Finnair from £963 and British Airways from £976 one-way.
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 £485). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £756). 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.
Explore flights to George Bush Intcntl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 25 November 2025.
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 25 November 2025.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.