Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £666

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
22 Jan — 29 Jan1
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 September, 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

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 23 December 2025.

Sun 21/1216:30GLA - IAH
2 stops43h 11mMultiple Airlines
Fri 26/1213:27IAH - GLA
2 stops36h 23mMultiple Airlines
Deal found 21/12£1,292
Mon 22/1220:10GLA - IAH
2 stops23h 55mAer Lingus
Sat 31/108:00IAH - GLA
2 stops41h 50mAer Lingus
Deal found 22/12£1,298
Mon 22/1217:20GLA - IAH
3 stops27h 15mMultiple Airlines
Sat 31/107:45IAH - GLA
3 stops26h 05mMultiple Airlines
Deal found 22/12£1,337
Sun 21/1220:10GLA - IAH
2 stops32h 46mAer Lingus
Fri 26/1213:27IAH - GLA
2 stops36h 23mAer Lingus
Deal found 21/12£1,492
Mon 22/1220:25GLA - IAH
1 stop23h 40mBritish Airways
Sat 31/121:50IAH - GLA
1 stop13h 20mBritish Airways
Deal found 22/12£1,628
Sun 21/1213:25GLA - IAH
1 stop30h 05mKLM
Fri 26/1215:30IAH - GLA
1 stop12h 25mKLM
Deal found 21/12£1,934
Sun 21/1212:45GLA - IAH
1 stop31h 50mLufthansa
Fri 26/1216:30IAH - GLA
1 stop13h 50mLufthansa
Deal found 21/12£2,194
Sun 21/1215:55GLA - IAH
1 stop28h 10mFinnair
Fri 26/1214:09IAH - GLA
2 stops16h 56mFinnair
Deal found 21/12£2,397

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 23 December 2025.

Round-trip from

£666

Popular in

August

Cheapest in

February

Average price

£1,092
British Airways
  • British Airways
  • 5/2-9/2
  • 3 total stops
  • 30h 50m total
  • Glasgow to Houston
Highest demand for flights based on searches. 10% potential increase in price (£79 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 23 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 5/2

09:55-20:00

1 stop16h 05m

Houston George Bush Intcntl

Mon 9/2

09:35-09:50

2 stops18h 15m

£666

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 11/1

08:25-23:34

2 stops21h 09m

Houston George Bush Intcntl

Mon 12/1

20:19-09:55

3 stops31h 36m

£787

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 23/3

06:35-15:05

1 stop13h 30m

£695

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 23/3

09:45-21:57

2 stops17h 12m

£708

Flights are sorted by cheapest return flights first.

Deals found on 22/12

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

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 19 December 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, February is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £512). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £737). 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 23 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.

How much does it cost for a return flight from Glasgow to Houston George Bush Intcntl Airport?

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 23 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.

Overall

7.7

Boarding

7.7

Comfort

7.6

Crew

8.3

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

Overall

7.7

Boarding

7.7

Comfort

7.6

Crew

8.3

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

Overall

7.7

Boarding

7.7

Comfort

7.6

Crew

8.3

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

Overall

7.7

Boarding

7.7

Comfort

7.6

Crew

8.3

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 16h 05m. 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 £589, 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 £620 and £625, 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, February is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £512). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £737). 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 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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£458Average£709FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Turkish AirlinesCheapest£483Average£679FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest£511Average£623FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£589Average£845FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£620Average£780FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£625Average£804FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£628Average£786FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£648Average£784FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£708Average£792FlexibilityNo 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?

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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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