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Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £315

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
5 Jul — 12 Jul1
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 5 June 2026.

Wed 26/807:45
GLA
-
IAH
3 stops36h 10m
Multiple Airlines
Mon 7/910:00
IAH
-
GLA
2 stops28h 15m
Multiple Airlines
Deal found 3/6£773
Thu 23/711:00
GLA
-
IAH
1 stop17h 06m
Multiple Airlines
Wed 12/815:25
IAH
-
GLA
1 stop15h 30m
Multiple Airlines
Deal found 1/6£805
Fri 25/914:20
GLA
-
IAH
2 stops26h 35m
Icelandair
Sat 3/1011:45
IAH
-
GLA
2 stops19h 40m
Icelandair
Deal found 3/6£850
Fri 25/907:05
GLA
-
IAH
2 stops33h 35m
Multiple Airlines
Sat 3/1015:55
IAH
-
GLA
1 stop25h 05m
Multiple Airlines
Deal found 3/6£854
Fri 18/914:20
GLA
-
IAH
2 stops26h 35m
Icelandair
Sat 26/911:45
IAH
-
GLA
2 stops19h 40m
Icelandair
Deal found 3/6£855
Sat 26/922:00
GLA
-
IAH
2 stops29h 52m
Multiple Airlines
Mon 5/1021:10
IAH
-
GLA
1 stop14h 30m
Multiple Airlines
Deal found 3/6£860
Tue 9/608:35
GLA
-
IAH
1 stop20h 36m
Multiple Airlines
Tue 14/715:25
IAH
-
GLA
1 stop15h 30m
Multiple Airlines
Deal found 1/6£861
Thu 1/1007:05
GLA
-
IAH
2 stops43h 55m
Multiple Airlines
Sun 11/1015:55
IAH
-
GLA
1 stop15h 15m
Multiple Airlines
Deal found 3/6£872

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 5 June 2026.

Round-trip from

£773

One-way from

£315

Popular in

January

Cheapest in

February

Average price

£993
26/8-7/9
  • 26/8-7/9
  • 5 total stops
  • 64h 25m total
  • Glasgow to Houston
Search Deals
27/9
  • 27/9
  • 2 total stops
  • 53h 15m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 5 June 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

Sat 19/9

14:20-10:55

2 stops26h 35m

Houston George Bush Intcntl

Sat 26/9

11:45-13:25

2 stops19h 40m

£855

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 1/10

07:05-21:00

2 stops43h 55m

Houston George Bush Intcntl

Sun 11/10

15:55-13:10

1 stop15h 15m

£872

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 9/7

11:00-22:06

1 stop17h 06m

Houston George Bush Intcntl

Thu 30/7

15:25-12:55

1 stop15h 30m

£893

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 2/10

12:20-19:20

1 stop13h 00m

Houston George Bush Intcntl

Mon 12/10

16:10-16:10

2 stops18h 00m

£918

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 24/9

09:40-19:20

1 stop15h 40m

Houston George Bush Intcntl

Mon 28/9

21:05-18:40

1 stop15h 35m

£934

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 23/7

11:00-16:30

3 stops35h 30m

Houston George Bush Intcntl

Wed 12/8

11:45-14:55

3 stops21h 10m

£934

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 24/9

14:20-10:55

2 stops26h 35m

Houston George Bush Intcntl

Mon 28/9

11:45-13:25

2 stops19h 40m

£986
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 24/9

14:00-00:30

2 stops16h 30m

Houston George Bush Intcntl

Mon 28/9

13:58-10:10

1 stop14h 12m

£1,022
Cheapest one-way

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 27/9

21:45-21:00

2 stops53h 15m

£315

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 12/10

06:55-21:04

2 stops44h 09m

£402

Flights are sorted by cheapest return flights first.

Deals found on 31/5

Showing 1-10 of 12 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, November is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £648). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,308). 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 5 June 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
1,524 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

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
1,524 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

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
8,026 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

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. 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 £670, 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 £730. Users have found that British Airways is 33% 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, November is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £648). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,308). 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 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 5 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£579Average£722FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£628Average£792FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£656Average£776FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£659Average£944FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£671Average£896FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£707Average£859FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£715Average£791FlexibilityNo 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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