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Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £313

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
3 Sep — 10 Sep1
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 4 August 2026.

Tue 15/908:35 -
1 stop19h 17m
Tue 22/907:20 -
1 stop17h 30m
Deal found 1/8£721
Fri 18/909:00 -
3 stops40h 52m
Sat 24/1007:20 -
3 stops33h 40m
Deal found 31/7£728
Tue 15/914:20 -
2 stops26h 38m
Tue 22/911:48 -
2 stops19h 37m
Deal found 1/8£798
Tue 20/1014:20 -
2 stops26h 35m
Tue 3/1115:50 -
1 stop12h 00m
Deal found 3/8£801
Fri 2/1014:20 -
2 stops26h 38m
Tue 6/1011:48 -
2 stops19h 37m
Deal found 4/8£879

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 4 August 2026.

Round-trip from

£721

One-way from

£313

Popular in

January

Cheapest in

August

Average price

£394
15/9-22/9
  • 15/9-22/9
  • 2 total stops
  • 36h 47m total
  • Glasgow to Houston
Search Deals
22/9
  • 22/9
  • 2 total stops
  • 42h 31m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£247 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£57 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 4 August 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

Fri 18/9

09:00-19:52

3 stops40h 52m

Houston George Bush Intcntl

Sat 24/10

07:20-23:00

3 stops33h 40m

£728

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 2/10

14:20-10:58

2 stops26h 38m

Houston George Bush Intcntl

Tue 6/10

11:48-13:25

2 stops19h 37m

£879

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 20/10

08:20-13:55

2 stops35h 35m

Houston George Bush Intcntl

Tue 3/11

11:50-19:00

3 stops25h 10m

£934
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 10/10

08:35-21:52

1 stop19h 17m

Houston George Bush Intcntl

Sat 24/10

10:00-08:40

2 stops16h 40m

£939

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 14/9

14:00-00:27

2 stops16h 27m

Houston George Bush Intcntl

Mon 21/9

07:45-10:10

2 stops20h 25m

£998
Cheapest one-way

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 26/9

21:35-09:26

2 stops41h 51m

£321

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 4/11

17:15-10:00

3 stops46h 45m

£330

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 30/9

14:20-11:34

2 stops27h 14m

£585

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 30/9

07:30-19:15

1 stop17h 45m

£647

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 21/9

14:00-00:45

2 stops16h 45m

£648

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Showing 1-10 of 15 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

No data available for this route at this time. Please check back soon.

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 4 August 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
1,553 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,553 reviews
KLM
7.8
Good
1,553 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,150 reviews
KLM
7.8
Good
1,553 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 26h 38m. 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 £684, 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 £745. Users have found that British Airways is 34% 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.

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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£608Average£798FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£655Average£775FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£657Average£1,039FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£670Average£972FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£715Average£791FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£735Average£861FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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