Cheap flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport from £669
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
20 Jan — 27 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Glasgow Intl to Houston George Bush Intcntl are usually found in February or September, 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
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 21 December 2025.
Sun 21/1216:30GLA - IAH
2 stops43h 11mMultiple Airlines
Fri 26/1213:27IAH - GLA
2 stops36h 23mMultiple Airlines
Deal found 21/12£1,297
Sun 21/1220:10GLA - IAH
2 stops32h 46mAer Lingus
Fri 26/1213:27IAH - GLA
2 stops36h 23mAer Lingus
Deal found 21/12£1,498
Sun 21/1213:25GLA - IAH
1 stop30h 05mKLM
Fri 26/1215:30IAH - GLA
1 stop12h 25mKLM
Deal found 21/12£1,942
Sun 21/1212:45GLA - IAH
1 stop31h 50mLufthansa
Fri 26/1216:30IAH - GLA
1 stop13h 50mLufthansa
Deal found 21/12£2,203
Sun 21/1215:55GLA - IAH
1 stop28h 10mFinnair
Fri 26/1214:09IAH - GLA
2 stops16h 56mFinnair
Deal found 21/12£2,406
Best flights from Glasgow Intl to George Bush Intcntl
Discover carefully curated flight deals from Glasgow Intl to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 December 2025.
Thu 5/206:35GLA - IAH
1 stop13h 30mBritish Airways
Mon 9/216:50IAH - GLA
2 stops17h 45mBritish Airways
Deal found 19/12£669
Tue 9/609:30GLA - IAH
2 stops19h 21mMultiple Airlines
Tue 30/611:45IAH - GLA
2 stops23h 00mMultiple Airlines
Deal found 20/12£948
Tue 9/610:55GLA - IAH
1 stop14h 20mIberia
Tue 30/615:30IAH - GLA
1 stop12h 10mIberia
Deal found 20/12£982
Tue 9/605:55GLA - IAH
1 stop13h 50mBritish Airways
Tue 30/613:24IAH - GLA
2 stops14h 16mBritish Airways
Deal found 20/12£930
Mon 18/511:35GLA - IAH
1 stop13h 40mMultiple Airlines
Wed 19/821:05IAH - GLA
1 stop12h 30mMultiple Airlines
Deal found 19/12£1,293
Mon 18/511:35GLA - IAH
1 stop13h 40mBritish Airways
Wed 19/821:05IAH - GLA
1 stop12h 30mBritish Airways
Deal found 19/12£1,293
Last-minute flights from Glasgow Intl to George Bush Intcntl
Discover last-minute flight deals from Glasgow Intl to George Bush Intcntl. Data last updated 21 December 2025 and is based on user searches.
Sun 21/1216:30GLA - IAH
2 stops43h 11mMultiple Airlines
Fri 26/1213:27IAH - GLA
2 stops36h 23mMultiple Airlines
Deal found 21/12£1,297
Sun 21/1220:10GLA - IAH
2 stops32h 46mAer Lingus
Fri 26/1213:27IAH - GLA
2 stops36h 23mAer Lingus
Deal found 21/12£1,498
Sun 21/1213:25GLA - IAH
1 stop30h 05mKLM
Fri 26/1215:30IAH - GLA
1 stop12h 25mKLM
Deal found 21/12£1,942
Sun 21/1212:45GLA - IAH
1 stop31h 50mLufthansa
Fri 26/1216:30IAH - GLA
1 stop13h 50mLufthansa
Deal found 21/12£2,203
Sun 11/108:25GLA - IAH
2 stops21h 09mMultiple Airlines
Mon 12/120:19IAH - GLA
3 stops31h 36mMultiple Airlines
Deal found 21/12£790
Sun 11/108:20GLA - IAH
2 stops22h 25mAer Lingus
Mon 12/113:57IAH - GLA
2 stops20h 03mAer Lingus
Deal found 21/12£1,164
One-way flights from Glasgow Intl to George Bush Intcntl
Search for one-way flight options from Glasgow Intl to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 21 December 2025.
Fri 12/607:00GLA - IAH
2 stops16h 45mBritish Airways
Deal found 19/12£1,179
Fri 12/611:30GLA - IAH
1 stop13h 45mFinnair
Deal found 19/12£1,543
Find 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 21 December 2025.
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 21 December 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 5/2
06:35-14:05
1 stop13h 30m
Houston George Bush Intcntl
Mon 9/2
16:50-16:35
2 stops17h 45m
£669
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Tue 9/6
05:55-13:45
1 stop13h 50m
Houston George Bush Intcntl
Tue 30/6
13:24-09:40
2 stops14h 16m
£930
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Tue 9/6
09:30-22:51
2 stops19h 21m
Houston George Bush Intcntl
Tue 30/6
11:45-16:45
2 stops23h 00m
£948
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Tue 9/6
10:55-19:15
1 stop14h 20m
Houston George Bush Intcntl
Tue 30/6
15:30-09:40
1 stop12h 10m
£982
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Mon 18/5
11:35-19:15
1 stop13h 40m
Houston George Bush Intcntl
Wed 19/8
21:05-15:35
1 stop12h 30m
£1,293
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Mon 18/5
11:35-19:15
1 stop13h 40m
Houston George Bush Intcntl
Wed 19/8
21:05-15:35
1 stop12h 30m
£1,293
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Fri 12/6
07:00-17:45
2 stops16h 45m
£1,179
GlasgowHouston
GLA - IAH
GLAIAH
Glasgow Intl
Fri 12/6
11:30-19:15
1 stop13h 45m
£1,543
Flights are sorted by cheapest return flights first.
Deals found on 19/12
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
Prices
More
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 19 December 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 £522). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,122). 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’s the top stopover airport for flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport?
Share of one-stop return flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
London (LHR) – chosen by Cheapflights users on 67% of one-stop itineraries from Glasgow Intl Airport to Houston George Bush Intcntl Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport?
Average return fare for one-stop flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £985.
What’s the fastest stopover option from Glasgow Intl Airport to Houston George Bush Intcntl Airport?
Shortest average travel time for one-stop one-way flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 13h 43m.
Which airport typically offers the quickest stopover for flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport?
Average stopover duration for one-stop one-way flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 2h 07m.
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 21 December 2025.
See what other customers who have flown with KLM, Virgin Atlantic, andBritish Airways 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.
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 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 13h 30m. 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 £591. Other airlines that can offer you cheap pricing are British Airways, from £622, and Virgin Atlantic, from £627. KLM is 36% 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 £522). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,122). 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 21 December 2025.
Browse through other flights departing from Glasgow Intl. Flights are based on user searches made on Cheapflights and were last updated on 21 December 2025.
Top 3 airlines flying from Glasgow Intl to George Bush Intcntl
Discover the top 3 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 21 December 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 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.
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.