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Cheap flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport from £620

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 January 2026.

Round-trip from

£676

One-way from

£630

Popular in

January

Cheapest in

February

Average price

£1,274
British Airways
  • British Airways
  • 6/2-3/3
  • 4 total stops
  • 38h 23m total
  • Glasgow to Houston
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18/3
  • 18/3
  • 2 total stops
  • 17h 02m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 16 January 2026.

Fri 6/208:15
GLA
-
IAH
2 stops20h 34m
British Airways
Mon 2/316:36
IAH
-
GLA
2 stops17h 59m
British Airways
Deal found 15/1£676
Fri 6/211:40
GLA
-
IAH
2 stops32h 11m
British Airways
Mon 9/217:15
IAH
-
GLA
2 stops34h 35m
British Airways
Deal found 13/1£676
Fri 6/208:15
GLA
-
IAH
2 stops20h 34m
British Airways
Wed 4/308:53
IAH
-
GLA
2 stops21h 02m
British Airways
Deal found 15/1£687
Tue 10/206:00
GLA
-
IAH
1 stop14h 10m
Lufthansa
Mon 2/316:30
IAH
-
GLA
1 stop13h 20m
Lufthansa
Deal found 15/1£705
Sat 21/208:40
GLA
-
IAH
2 stops16h 45m
Multiple Airlines
Thu 5/317:15
IAH
-
GLA
2 stops15h 55m
Multiple Airlines
Deal found 14/1£717
Wed 8/406:00
GLA
-
IAH
1 stop13h 15m
Delta
Thu 30/415:20
IAH
-
GLA
1 stop15h 35m
Delta
Deal found 15/1£728
Wed 8/406:25
GLA
-
IAH
2 stops18h 53m
American Airlines
Thu 30/413:46
IAH
-
GLA
2 stops15h 44m
American Airlines
Deal found 15/1£760
Fri 6/210:40
GLA
-
IAH
2 stops18h 02m
Iberia
Mon 2/315:50
IAH
-
GLA
1 stop12h 00m
Iberia
Deal found 15/1£768
Sat 11/719:45
GLA
-
IAH
1 stop29h 25m
British Airways
Sat 25/715:30
IAH
-
GLA
1 stop11h 50m
British Airways
Deal found 15/1£785

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 16 January 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

Glasgow Intl

Fly to

George Bush Intcntl

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 6/2

08:15-22:49

2 stops20h 34m

Houston George Bush Intcntl

Sat 28/2

07:59-10:45

2 stops20h 46m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 6/2

08:15-22:49

2 stops20h 34m

Houston George Bush Intcntl

Mon 2/3

16:36-16:35

2 stops17h 59m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 12/2

05:55-22:31

2 stops22h 36m

Houston George Bush Intcntl

Tue 3/3

13:16-09:50

2 stops14h 34m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 10/2

08:55-00:45

2 stops21h 50m

Houston George Bush Intcntl

Sun 1/3

16:51-16:40

2 stops17h 49m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 10/2

09:50-22:49

2 stops18h 59m

Houston George Bush Intcntl

Tue 3/3

07:32-10:45

2 stops21h 13m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 11/2

10:55-22:49

2 stops17h 54m

Houston George Bush Intcntl

Sun 1/3

16:51-16:40

2 stops17h 49m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 10/2

06:25-21:22

2 stops20h 57m

Houston George Bush Intcntl

Mon 2/3

16:36-16:35

2 stops17h 59m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 12/2

11:30-22:31

2 stops17h 01m

Houston George Bush Intcntl

Sun 1/3

16:51-16:40

2 stops17h 49m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/2

11:40-22:49

2 stops17h 09m

Houston George Bush Intcntl

Sun 1/3

16:51-16:40

2 stops17h 49m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 8/2

10:20-22:49

2 stops18h 29m

Houston George Bush Intcntl

Thu 26/2

06:31-10:45

2 stops22h 14m

£676

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 22 results
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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 £521). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,119). 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 16 January 2026.
See what other customers who have flown with KLM, Virgin Atlantic, andBritish 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
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,440 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,680 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 34m. 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 £590. Other airlines that can offer you cheap pricing are British Airways, from £621, and Virgin Atlantic, from £626. KLM is 35% 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 £521). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £1,119). 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 3 airlines flying from Glasgow Intl to George Bush Intcntl

Discover the top 3 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£590Average£860FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£621Average£829FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£626Average£893FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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