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Cheap flights from Glasgow Intl Airport to Houston from £404

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
12 Aug — 19 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow Intl to Houston

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow Intl to Houston
Explore the most affordable flight options available from Glasgow Intl to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 July 2026.

Mon 14/1211:55
GLA
-
IAH
2 stops30h 46m
Multiple Airlines
Wed 27/115:50
IAH
-
GLA
1 stop16h 25m
Multiple Airlines
Deal found 12/7£833
Tue 10/1111:55
GLA
-
IAH
2 stops28h 59m
Multiple Airlines
Wed 20/115:50
IAH
-
GLA
1 stop16h 25m
Multiple Airlines
Deal found 12/7£837
Tue 10/1109:50
GLA
-
IAH
1 stop16h 05m
British Airways
Wed 27/115:50
IAH
-
GLA
1 stop12h 55m
British Airways
Deal found 12/7£875
Fri 4/914:20
GLA
-
IAH
2 stops26h 38m
Icelandair
Tue 8/911:50
IAH
-
GLA
2 stops19h 35m
Icelandair
Deal found 8/7£926
Mon 14/1209:45
GLA
-
IAH
1 stop16h 10m
British Airways
Wed 27/115:50
IAH
-
GLA
1 stop12h 55m
British Airways
Deal found 12/7£959
Thu 12/1119:50
GLA
-
IAH
2 stops44h 50m
Multiple Airlines
Wed 27/118:25
IAH
-
GLA
1 stop15h 00m
Multiple Airlines
Deal found 12/7£969
Fri 4/905:50
GLA
-
HOU
2 stops20h 01m
British Airways
Tue 8/915:57
HOU
-
GLA
2 stops16h 43m
British Airways
Deal found 8/7£1,027
Wed 23/909:30
GLA
-
HOU
2 stops16h 18m
British Airways
Sun 27/911:31
HOU
-
GLA
2 stops16h 59m
British Airways
Deal found 11/7£1,058
Mon 14/1220:25
GLA
-
HOU
2 stops25h 29m
British Airways
Wed 27/118:36
HOU
-
GLA
2 stops15h 14m
British Airways
Deal found 12/7£1,098
Tue 15/1211:40
GLA
-
HOU
2 stops18h 18m
British Airways
Wed 16/1216:25
HOU
-
GLA
2 stops17h 25m
British Airways
Deal found 9/7£1,171
Tue 25/806:00
GLA
-
HOU
2 stops22h 05m
Delta
Tue 1/910:50
HOU
-
GLA
2 stops20h 05m
Delta
Deal found 11/7£1,235
Tue 18/814:20
GLA
-
HOU
2 stops33h 40m
Multiple Airlines
Tue 25/811:05
HOU
-
GLA
2 stops20h 20m
Multiple Airlines
Deal found 9/7£1,276

Find flight deals from Glasgow Intl to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Houston (HO1). 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 13 July 2026.

Round-trip from

£833

One-way from

£404

Popular in

August

Cheapest in

April

Average price

£1,256
Iberia
  • Iberia
  • 14/12-27/1
  • 3 total stops
  • 47h 11m total
  • Glasgow to Houston
Search Deals
18/8
  • 18/8
  • 3 total stops
  • 49h 45m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£130 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow Intl to Houston 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 13 July 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 11/11

06:00-13:25

1 stop13h 25m

Houston George Bush Intcntl

Tue 19/1

15:05-16:30

1 stop19h 25m

£971

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 23/9

14:00-23:30

1 stop15h 30m

Houston George Bush Intcntl

Sun 27/9

20:20-10:10

1 stop31h 50m

£991

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 4/9

14:00-23:33

1 stop15h 33m

Houston George Bush Intcntl

Tue 8/9

13:45-10:10

2 stops14h 25m

£1,018

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fri 4/9

05:50-19:51

2 stops20h 01m

Houston Hobby

Tue 8/9

15:57-14:40

2 stops16h 43m

£1,027

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Wed 23/9

09:30-19:48

2 stops16h 18m

Houston Hobby

Sun 27/9

11:31-10:30

2 stops16h 59m

£1,058
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 16/12

05:40-13:25

1 stop13h 45m

Houston George Bush Intcntl

Wed 27/1

15:25-09:55

1 stop12h 30m

£1,061

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/11

10:45-22:15

2 stops17h 30m

Houston George Bush Intcntl

Fri 22/1

15:25-12:45

2 stops15h 20m

£1,065

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Mon 14/12

20:25-15:54

2 stops25h 29m

Houston Hobby

Wed 27/1

18:36-15:50

2 stops15h 14m

£1,098

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Tue 15/12

11:40-23:58

2 stops18h 18m

Houston Hobby

Wed 16/12

16:25-15:50

2 stops17h 25m

£1,171

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Tue 25/8

06:00-22:05

2 stops22h 05m

Houston Hobby

Tue 1/9

10:50-12:55

2 stops20h 05m

£1,235

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Glasgow Intl to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston 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

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

Currently, July is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £341). Flying from Glasgow Intl Airport to Houston in September is currently the most expensive (average of £783). 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 Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated 13 July 2026.
See what other customers who have flown with KLM and British Airways from Glasgow Intl Airport to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,537 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

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
1,537 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

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
8,113 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

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 Houston. 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?

    There are many flights that can get you from Glasgow Intl Airport to Houston in 13h 25m. Fly via KLM, United Airlines, or British Airways to get the fastest option. The distance between Glasgow Intl Airport and Houston is about 4560 mi. This flight may include one or multiple stops.

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

    According to our current data, British Airways (£681), and KLM (£723) offers the cheapest pricing from Glasgow Intl Airport to Houston. British Airways is 32% 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 Houston that include hotel bookings?

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

  • How can I find direct flights from Glasgow Intl to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to Houston.

  • Can I find deals for business class flights from Glasgow Intl to Houston?

    Yes. Cheapflights offers flight deals from Glasgow Intl to Houston 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?

    Currently, July is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £341). Flying from Glasgow Intl Airport to Houston in September is currently the most expensive (average of £783). 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 2 airlines flying from Glasgow Intl to Houston

Discover the top 2 airlines that operate flights from Glasgow Intl to Houston. 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 13 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£681Average£962FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£723Average£1,049FlexibilityNo 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 Houston?

Deals for Glasgow Intl to Houston 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 Intl to Houston?

Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl to Houston 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 Intl to Houston with no change fees?

Need flexible booking options for your flight to Houston 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 Houston become cheaper?

Yes, Cheapflights offers price alerts on Glasgow Intl to Houston 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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