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Cheap flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport from £385

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
1 Jun — 8 Jun1
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 2 May 2026.

Wed 20/507:45
GLA
-
IAH
3 stops35h 40m
Multiple Airlines
Tue 14/716:45
IAH
-
GLA
3 stops34h 55m
Multiple Airlines
Deal found 28/4£754
Tue 12/508:20
GLA
-
IAH
2 stops35h 35m
Multiple Airlines
Tue 7/705:45
IAH
-
GLA
2 stops21h 55m
Multiple Airlines
Deal found 28/4£759
Wed 20/506:30
GLA
-
IAH
3 stops36h 55m
Multiple Airlines
Tue 7/718:07
IAH
-
GLA
2 stops33h 33m
Multiple Airlines
Deal found 28/4£765
Tue 19/508:20
GLA
-
IAH
3 stops43h 56m
Multiple Airlines
Thu 9/717:20
IAH
-
GLA
3 stops34h 20m
Multiple Airlines
Deal found 28/4£767
Wed 27/506:30
GLA
-
IAH
3 stops36h 55m
Multiple Airlines
Thu 9/706:00
IAH
-
GLA
3 stops45h 40m
Multiple Airlines
Deal found 27/4£779
Wed 27/506:30
GLA
-
IAH
3 stops36h 55m
Multiple Airlines
Wed 15/705:45
IAH
-
GLA
3 stops21h 55m
Multiple Airlines
Deal found 27/4£784
Tue 19/508:20
GLA
-
IAH
3 stops36h 19m
Multiple Airlines
Tue 7/706:30
IAH
-
GLA
2 stops21h 10m
Multiple Airlines
Deal found 27/4£784
Wed 20/506:30
GLA
-
IAH
3 stops36h 55m
Multiple Airlines
Mon 13/716:45
IAH
-
GLA
3 stops34h 55m
Multiple Airlines
Deal found 27/4£789

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 2 May 2026.

Round-trip from

£754

One-way from

£385

Popular in

January

Cheapest in

February

Average price

£956
20/5-14/7
  • 20/5-14/7
  • 6 total stops
  • 70h 35m total
  • Glasgow to Houston
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 37h 18m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 2 May 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

Sat 26/9

13:20-10:55

2 stops27h 35m

Houston George Bush Intcntl

Sat 10/10

18:50-14:40

2 stops37h 50m

£895

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 3/9

09:40-23:56

2 stops20h 16m

Houston George Bush Intcntl

Sun 13/9

12:05-10:30

2 stops16h 25m

£943
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 10/9

07:00-19:20

1 stop18h 20m

Houston George Bush Intcntl

Mon 14/9

15:30-10:05

1 stop12h 35m

£987

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 1/10

11:25-19:25

1 stop14h 00m

Houston George Bush Intcntl

Mon 5/10

18:50-19:40

2 stops18h 50m

£987
Cheapest one-way

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 7/5

14:40-16:16

3 stops55h 36m

£416

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 6/5

10:00-08:25

2 stops52h 25m

£476

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 4/7

07:55-13:25

1 stop35h 30m

£744

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 2/7

11:25-13:25

1 stop32h 00m

£744

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 20/5

14:00-23:42

1 stop15h 42m

£773

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 2/8

06:00-13:25

1 stop13h 25m

£952

Flights are sorted by cheapest return flights first.

Deals found on 1/5

Showing 1-10 of 15 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 £681). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in January is currently the most expensive (average of £1,425). 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 2 May 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
1,509 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.8

Comfort

7.7

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
1,509 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.8

Comfort

7.7

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
7,939 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.8

Comfort

7.7

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 20h 16m. Fly via British Airways 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 £536. Another airline that can offer you cheap pricing is British Airways. KLM is 44% 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 £681). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in January is currently the most expensive (average of £1,425). 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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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 2 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£536Average£867FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£662Average£954FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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.

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