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Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £737

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
14 Aug — 21 Aug1
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 15 July 2026.

Thu 15/1008:35
GLA
-
IAH
1 stop19h 17m
Multiple Airlines
Thu 29/1016:25
IAH
-
GLA
1 stop19h 05m
Multiple Airlines
Deal found 14/7£737
Wed 14/1010:15
GLA
-
IAH
2 stops30h 09m
Multiple Airlines
Sun 1/1119:10
IAH
-
GLA
1 stop14h 05m
Multiple Airlines
Deal found 14/7£812
Sat 10/1008:35
GLA
-
IAH
1 stop19h 17m
Multiple Airlines
Sat 24/1015:30
IAH
-
GLA
1 stop12h 55m
Multiple Airlines
Deal found 13/7£820
Mon 14/1211:55
GLA
-
IAH
2 stops30h 46m
Multiple Airlines
Wed 27/115:50
IAH
-
GLA
1 stop16h 25m
Multiple Airlines
Deal found 12/7£835
Tue 10/1111:55
GLA
-
IAH
2 stops28h 59m
Multiple Airlines
Wed 20/115:50
IAH
-
GLA
1 stop16h 25m
Multiple Airlines
Deal found 12/7£839
Mon 9/1108:20
GLA
-
IAH
2 stops15h 57m
Multiple Airlines
Sun 15/1118:15
IAH
-
GLA
2 stops16h 25m
Multiple Airlines
Deal found 14/7£843
Thu 15/1008:35
GLA
-
IAH
2 stops20h 05m
Multiple Airlines
Sun 1/1119:10
IAH
-
GLA
1 stop14h 05m
Multiple Airlines
Deal found 14/7£866
Mon 9/1106:35
GLA
-
IAH
1 stop13h 30m
British Airways
Sun 15/1115:50
IAH
-
GLA
1 stop15h 25m
British Airways
Deal found 14/7£875

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 15 July 2026.

Round-trip from

£737

Popular in

January

Cheapest in

August

Average price

£1,218
Virgin Atlantic
  • Virgin Atlantic
  • 15/10-29/10
  • 2 total stops
  • 38h 22m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£119 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£55 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 15 July 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

Sun 1/11

15:55-14:05

1 stop28h 10m

Houston George Bush Intcntl

Sun 15/11

15:50-13:15

1 stop15h 25m

£876

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 11/11

06:00-13:25

1 stop13h 25m

Houston George Bush Intcntl

Tue 19/1

15:05-16:30

1 stop19h 25m

£972

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 10/11

06:00-17:42

2 stops17h 42m

Houston George Bush Intcntl

Mon 16/11

15:25-12:45

2 stops15h 20m

£974

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 23/9

14:00-23:30

1 stop15h 30m

Houston George Bush Intcntl

Sun 27/9

20:20-10:10

1 stop31h 50m

£990
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 9/11

06:00-13:05

1 stop13h 05m

Houston George Bush Intcntl

Sat 14/11

15:05-10:05

1 stop13h 00m

£1,000

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 11/11

11:40-21:57

2 stops16h 17m

Houston George Bush Intcntl

Thu 28/1

15:50-09:30

1 stop11h 40m

£1,005

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 8/11

06:00-13:25

1 stop13h 25m

Houston George Bush Intcntl

Sat 14/11

11:30-10:05

2 stops16h 35m

£1,030
Cheapest one-way
Fastest single journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 5/11

06:35-14:05

1 stop13h 30m

£987

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 5/11

06:35-17:24

2 stops16h 49m

£1,001

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 19/9

07:55-18:25

2 stops16h 30m

£1,073

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 13 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, August is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £396). Flying from Glasgow to Houston George Bush Intcntl Airport in January is currently the most expensive (average of £1,095). 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 15 July 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
1,539 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.8

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
1,539 reviews
KLM
7.8
Good
1,539 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.8

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
8,118 reviews
KLM
7.8
Good
1,539 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.8

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 13h 25m. 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 £683, British Airways will fly you from Glasgow to Houston George Bush Intcntl Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on KLM for as low as £733. Users have found that British Airways is 31% 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, August is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £396). Flying from Glasgow to Houston George Bush Intcntl Airport in January is currently the most expensive (average of £1,095). 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 6 airlines flying from Glasgow to George Bush Intcntl

Discover the top 6 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 15 July 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£589Average£777FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£630Average£789FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£658Average£763FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£673Average£989FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£673Average£973FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£720Average£795FlexibilityNo 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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