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Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £619

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
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 January 2026.

Round-trip from

£649

One-way from

£619

Popular in

January

Cheapest in

February

Average price

£1,271
Air France
  • Air France
  • 10/2-17/2
  • 2 total stops
  • 25h 50m total
  • Glasgow to Houston
Search Deals
Lufthansa
  • Lufthansa
  • 18/4
  • 1 total stop
  • 14h 40m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 15 January 2026.

Tue 10/206:05
GLA
-
IAH
1 stop13h 25m
Air France
Tue 17/215:30
IAH
-
GLA
1 stop12h 25m
Air France
Deal found 13/1£649
Tue 10/208:55
GLA
-
IAH
2 stops19h 54m
British Airways
Tue 17/213:16
IAH
-
GLA
2 stops14h 34m
British Airways
Deal found 13/1£655
Sun 1/309:55
GLA
-
IAH
3 stops44h 04m
Multiple Airlines
Fri 6/308:00
IAH
-
GLA
2 stops22h 20m
Multiple Airlines
Deal found 12/1£661
Fri 6/209:40
GLA
-
IAH
2 stops19h 09m
British Airways
Mon 9/217:15
IAH
-
GLA
2 stops15h 15m
British Airways
Deal found 12/1£675
Sat 21/208:40
GLA
-
IAH
2 stops16h 45m
Multiple Airlines
Thu 5/317:15
IAH
-
GLA
2 stops15h 55m
Multiple Airlines
Deal found 13/1£713
Tue 10/208:25
GLA
-
IAH
3 stops39h 57m
Multiple Airlines
Tue 17/206:00
IAH
-
GLA
2 stops21h 55m
Multiple Airlines
Deal found 13/1£757

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 15 January 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

Glasgow

Fly to

George Bush Intcntl

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 10/2

06:05-13:30

1 stop13h 25m

Houston George Bush Intcntl

Tue 17/2

15:30-09:55

1 stop12h 25m

£649

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 10/2

08:55-22:49

2 stops19h 54m

Houston George Bush Intcntl

Tue 17/2

13:16-09:50

2 stops14h 34m

£655

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 1/3

09:55-23:59

3 stops44h 04m

Houston George Bush Intcntl

Fri 6/3

08:00-12:20

2 stops22h 20m

£661

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 6/2

09:40-22:49

2 stops19h 09m

Houston George Bush Intcntl

Mon 9/2

17:15-14:30

2 stops15h 15m

£675

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 21/2

08:40-19:25

2 stops16h 45m

Houston George Bush Intcntl

Thu 5/3

17:15-15:10

2 stops15h 55m

£715

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 11/7

19:45-13:25

1 stop23h 40m

Houston George Bush Intcntl

Sat 25/7

15:30-09:20

1 stop11h 50m

£785

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 18/4

09:20-18:00

1 stop14h 40m

£619

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 21/3

12:00-14:10

2 stops31h 10m

£672

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 18/4

13:25-23:59

2 stops16h 34m

£680

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 22/3

12:45-15:10

1 stop31h 25m

£691

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 13 results
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

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

Currently, February is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £512). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £737). 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 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 January 2026.
Read reviews from past customers who have flown with KLM, Virgin Atlantic, andBritish 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
7.7
Good
1,439 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

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
1,439 reviews
KLM
7.7
Good
1,439 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

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
1,439 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

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
7,676 reviews
KLM
7.7
Good
1,439 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

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 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 13h 25m. The distance between Glasgow and Houston George Bush Intcntl Airport is about 4560 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £588, KLM will fly you from Glasgow to Houston George Bush Intcntl Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Virgin Atlantic - these airlines can fly you to your destination from £619 and £624, respectively. Users have found that KLM is 35% 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, February is the cheapest month in which you can book a flight from Glasgow to Houston George Bush Intcntl Airport (average of £512). Flying from Glasgow to Houston George Bush Intcntl Airport in August is currently the most expensive (average of £737). 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 9 airlines flying from Glasgow to George Bush Intcntl

Discover the top 9 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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£458Average£708FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Turkish AirlinesCheapest£482Average£678FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest£511Average£651FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£588Average£857FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£619Average£796FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£624Average£834FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£628Average£785FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£648Average£783FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£708Average£791FlexibilityNo 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?

Cheapflights simply makes it quick and affordable to book flights from Glasgow to George Bush Intcntl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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