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Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £335

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
7 Apr — 14 Apr1
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 8 March 2026.

Wed 12/822:35
GLA
-
IAH
3 stops45h 20m
Multiple Airlines
Wed 26/810:00
IAH
-
GLA
2 stops16h 45m
Multiple Airlines
Deal found 4/3£822
Fri 6/1111:55
GLA
-
IAH
2 stops29h 04m
Multiple Airlines
Tue 10/1115:30
IAH
-
GLA
1 stop15h 15m
Multiple Airlines
Deal found 4/3£848
Wed 2/907:30
GLA
-
IAH
1 stop17h 45m
Multiple Airlines
Wed 16/915:35
IAH
-
GLA
1 stop18h 55m
Multiple Airlines
Deal found 4/3£854
Mon 7/905:50
GLA
-
IAH
1 stop13h 35m
Multiple Airlines
Mon 28/915:35
IAH
-
GLA
1 stop19h 10m
Multiple Airlines
Deal found 3/3£859
Tue 3/1106:25
GLA
-
IAH
1 stop13h 40m
American Airlines
Thu 12/1113:17
IAH
-
GLA
2 stops15h 28m
American Airlines
Deal found 4/3£867
Tue 3/1106:25
GLA
-
IAH
1 stop13h 40m
British Airways
Thu 12/1113:15
IAH
-
GLA
2 stops14h 15m
British Airways
Deal found 6/3£870

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 8 March 2026.

Round-trip from

£822

One-way from

£335

Popular in

January

Cheapest in

February

Average price

£995
12/8-26/8
  • 12/8-26/8
  • 5 total stops
  • 62h 05m total
  • Glasgow to Houston
Search Deals
14/6
  • 14/6
  • 3 total stops
  • 51h 00m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 8 March 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 2/9

09:30-23:31

2 stops20h 01m

Houston George Bush Intcntl

Wed 16/9

12:00-16:30

2 stops22h 30m

£868
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 29/4

06:25-19:10

1 stop18h 45m

Houston George Bush Intcntl

Sun 3/5

15:30-09:50

1 stop12h 20m

£901
Cheapest one-way

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 14/6

21:55-18:55

3 stops51h 00m

£335

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 30/5

20:45-08:23

3 stops41h 38m

£343

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 22/3

16:20-15:27

3 stops52h 07m

£469
Fastest single journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 14/6

13:30-13:25

1 stop29h 55m

£672

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Sorted by cheapest first

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 £543). Flying from Glasgow to Houston George Bush Intcntl Airport in January is currently the most expensive (average of £764). 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.

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 8 March 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
1,467 reviews
Check prices

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,467 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,779 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 18h 45m. 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 £664, 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 £727. Users have found that British Airways is 30% 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 £543). Flying from Glasgow to Houston George Bush Intcntl Airport in January is currently the most expensive (average of £764). 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 8 airlines flying from Glasgow to George Bush Intcntl

Discover the top 8 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 8 March 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£576Average£723FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£614Average£685FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£629Average£787FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£646Average£831FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£649Average£861FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£658Average£870FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£675Average£783FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£709Average£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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