Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport from £300

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow Intl to George Bush Intcntl

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow Intl to George Bush Intcntl
Explore the most affordable flight options available from Glasgow Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 June 2026.

Thu 24/914:00
GLA
-
IAH
2 stops16h 30m
United Airlines
Mon 28/914:01
IAH
-
GLA
1 stop14h 09m
United Airlines
Deal found 11/6£895
Sat 10/1008:35
GLA
-
IAH
1 stop19h 17m
Multiple Airlines
Sat 24/1015:20
IAH
-
GLA
1 stop16h 25m
Multiple Airlines
Deal found 11/6£920
Thu 27/808:35
GLA
-
IAH
1 stop16h 45m
British Airways
Thu 10/915:40
IAH
-
GLA
1 stop13h 50m
British Airways
Deal found 13/6£927
Sun 26/714:20
GLA
-
IAH
2 stops38h 20m
Multiple Airlines
Sun 2/817:05
IAH
-
GLA
1 stop16h 00m
Multiple Airlines
Deal found 11/6£947
Sat 10/1007:55
GLA
-
IAH
1 stop17h 25m
British Airways
Sat 24/1013:23
IAH
-
GLA
2 stops16h 22m
British Airways
Deal found 11/6£951
Tue 25/814:00
GLA
-
IAH
1 stop14h 30m
United Airlines
Mon 7/920:11
IAH
-
GLA
1 stop31h 59m
United Airlines
Deal found 13/6£952
Mon 24/805:50
GLA
-
IAH
1 stop13h 35m
American Airlines
Thu 10/921:05
IAH
-
GLA
1 stop13h 00m
American Airlines
Deal found 13/6£954
Sat 10/1010:25
GLA
-
IAH
2 stops19h 34m
Iberia
Sat 24/1011:30
IAH
-
GLA
2 stops16h 55m
Iberia
Deal found 14/6£961

Find flight deals from Glasgow Intl to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) 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 June 2026.

Round-trip from

£895

One-way from

£300

Popular in

January

Cheapest in

February

Average price

£1,018
United Airlines
  • United Airlines
  • 24/9-28/9
  • 4 total stops
  • 32h 45m total
  • Glasgow to Houston
Search Deals
14/9
  • 14/9
  • 2 total stops
  • 44h 05m total
  • Glasgow to Houston
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% 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 Intl 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 June 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport 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

Thu 24/9

14:00-23:35

1 stop15h 35m

Houston George Bush Intcntl

Mon 28/9

14:01-10:10

1 stop14h 09m

£895
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 26/8

14:00-22:30

1 stop14h 30m

Houston George Bush Intcntl

Thu 10/9

16:50-10:10

1 stop11h 20m

£952

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 27/8

14:00-22:30

1 stop14h 30m

Houston George Bush Intcntl

Tue 8/9

16:50-10:10

1 stop11h 20m

£952

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 11/7

19:45-13:25

1 stop23h 40m

Houston George Bush Intcntl

Sat 1/8

21:05-17:00

1 stop13h 55m

£979

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 11/7

19:45-13:25

1 stop23h 40m

Houston George Bush Intcntl

Sat 25/7

21:10-17:00

1 stop13h 50m

£979
Cheapest one-way

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 14/9

06:55-21:00

2 stops44h 05m

£300

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 28/6

10:10-19:47

2 stops15h 37m

£1,298

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 1/10

11:25-19:25

1 stop14h 00m

£2,419
Fastest single journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 5/10

05:50-13:25

1 stop13h 35m

£2,477

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 13/10

14:00-13:39

3 stops29h 39m

£4,841

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Glasgow Intl to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Glasgow Intl 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 Intl Airport to Houston George Bush Intcntl Airport

What is the cheapest month to book a flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport?

Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport (average of £690). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in January is currently the most expensive (average of £1,443). 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 Intl Airport 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 June 2026.
See what other customers who have flown with KLM and British Airways from Glasgow Intl Airport to Houston George Bush Intcntl Airport have to say. 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
1,528 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.8

Entertainment

7.2

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
1,528 reviews
KLM
7.8
Good
1,528 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.8

Entertainment

7.2

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
8,051 reviews
KLM
7.8
Good
1,528 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.8

Entertainment

7.2

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 Intl 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 Intl Airport to Houston George Bush Intcntl Airport?

    There are many flights that can get you from Glasgow Intl Airport to Houston George Bush Intcntl Airport in 15h 35m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 4560 mi.

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

    Cheapflights users have booked flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport round-trip from £670. Another airline that can offer you cheap pricing is KLM. British Airways is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Glasgow Intl to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl 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 Intl to George Bush Intcntl.

  • Can I find deals for business class flights from Glasgow Intl to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Glasgow Intl 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 Intl Airport to Houston George Bush Intcntl Airport?

    Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport (average of £690). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in January is currently the most expensive (average of £1,443). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Glasgow Intl to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Glasgow Intl to Hobby flights

Top 2 airlines flying from Glasgow Intl to George Bush Intcntl

Discover the top 2 airlines that operate flights from Glasgow Intl 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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£670Average£1,013FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£730Average£1,000FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Glasgow Intl to George Bush Intcntl?

When you search for this flight from Glasgow Intl to George Bush Intcntl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to George Bush Intcntl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to George Bush Intcntl from Glasgow Intl.

Can Cheapflights find flights from Glasgow Intl to George Bush Intcntl with no change fees?

Need flexible booking options for your flight to George Bush Intcntl from Glasgow Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Glasgow Intl to George Bush Intcntl become cheaper?

Yes, Cheapflights offers price alerts on Glasgow Intl 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.