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Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £732

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

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 7 May 2026.

Fri 11/914:20
GLA
-
IAH
2 stops26h 35m
Multiple Airlines
Mon 5/1017:15
IAH
-
GLA
2 stops38h 10m
Multiple Airlines
Deal found 2/5£883
Fri 11/914:20
GLA
-
IAH
2 stops26h 35m
Multiple Airlines
Sat 3/1011:45
IAH
-
GLA
2 stops19h 40m
Multiple Airlines
Deal found 2/5£902
Thu 10/919:30
GLA
-
IAH
1 stop29h 45m
Iberia
Sun 4/1021:10
IAH
-
GLA
1 stop13h 40m
Iberia
Deal found 2/5£938
Sat 7/1109:35
GLA
-
IAH
1 stop16h 25m
Multiple Airlines
Sat 28/1121:50
IAH
-
GLA
1 stop13h 20m
Multiple Airlines
Deal found 6/5£939
Thu 10/911:25
GLA
-
IAH
1 stop13h 55m
British Airways
Sun 4/1013:24
IAH
-
GLA
2 stops14h 26m
British Airways
Deal found 2/5£943
Wed 9/906:00
GLA
-
IAH
1 stop13h 15m
KLM
Mon 5/1015:20
IAH
-
GLA
1 stop15h 35m
KLM
Deal found 2/5£966
Wed 16/914:00
GLA
-
IAH
1 stop15h 30m
United Airlines
Sun 20/918:17
IAH
-
GLA
1 stop33h 53m
United Airlines
Deal found 5/5£986

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 7 May 2026.

Round-trip from

£986

One-way from

£732

Popular in

January

Cheapest in

February

Average price

£957
United Airlines
  • United Airlines
  • 16/9-20/9
  • 2 total stops
  • 49h 23m total
  • Glasgow to Houston
Search Deals
British Airways
  • British Airways
  • 6/7
  • 1 total stop
  • 13h 35m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 7 May 2026.
Use the filters below to find and compare flights from Glasgow to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 16/9

14:00-22:30

1 stop14h 30m

Houston George Bush Intcntl

Sun 20/9

20:15-10:10

1 stop31h 55m

£986

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 9/9

09:30-19:15

1 stop15h 45m

Houston George Bush Intcntl

Tue 6/10

15:30-09:40

1 stop12h 10m

£990
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 9/9

14:00-00:22

2 stops16h 22m

Houston George Bush Intcntl

Thu 1/10

16:45-10:10

1 stop11h 25m

£990

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 24/9

14:00-22:40

1 stop14h 40m

Houston George Bush Intcntl

Mon 28/9

11:55-10:10

2 stops16h 15m

£1,016
Cheapest one-way

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 14/7

05:55-13:25

1 stop13h 30m

£735
Fastest single journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 5/7

06:00-13:25

1 stop13h 25m

£773

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 6/7

12:25-23:59

2 stops17h 34m

£778

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 18/6

12:40-23:59

2 stops17h 19m

£936

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 28/7

09:35-19:54

2 stops16h 19m

£1,027

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 15/7

09:30-19:54

2 stops16h 24m

£1,027

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 14 resultsSorted by cheapest first
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

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 £536). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,292). 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.

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 7 May 2026.
Read reviews from past customers who have flown with KLM and British 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.
KLM
7.8
Good
1,511 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,511 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
7,949 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 14h 30m. The distance between Glasgow and Houston George Bush Intcntl Airport is about 4560 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £536, 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. Check Cheapflights for deals on British Airways for as low as £662. Users have found that KLM is 44% 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 £536). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,292). 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

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Top 7 airlines flying from Glasgow to George Bush Intcntl

Discover the top 7 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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£536Average£861FlexibilityNo cancel feeOn-time75%
Search KLM flights
JetBlueCheapest£572Average£747FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£620Average£776FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£637Average£875FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£640Average£774FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£666Average£767FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£707Average£782FlexibilityNo 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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