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Cheap flights from Glasgow Intl Airport to Houston from £450

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
17 Aug — 24 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 18 July 2026.

Thu 15/1008:35
GLA
-
IAH
1 stop19h 17m
Multiple Airlines
Thu 29/1016:25
IAH
-
GLA
1 stop19h 05m
Multiple Airlines
Deal found 14/7£733
Wed 14/1010:15
GLA
-
IAH
2 stops30h 09m
Multiple Airlines
Sun 1/1119:10
IAH
-
GLA
1 stop14h 05m
Multiple Airlines
Deal found 14/7£808
Sat 10/1008:35
GLA
-
IAH
1 stop19h 17m
Multiple Airlines
Sat 24/1015:30
IAH
-
GLA
1 stop12h 55m
Multiple Airlines
Deal found 13/7£815
Mon 9/1108:20
GLA
-
IAH
2 stops15h 57m
Multiple Airlines
Sun 15/1118:15
IAH
-
GLA
2 stops16h 25m
Multiple Airlines
Deal found 14/7£838
Thu 15/1008:35
GLA
-
IAH
2 stops20h 05m
Multiple Airlines
Sun 1/1119:10
IAH
-
GLA
1 stop14h 05m
Multiple Airlines
Deal found 14/7£861
Mon 9/1106:35
GLA
-
IAH
1 stop13h 30m
British Airways
Sun 15/1115:50
IAH
-
GLA
1 stop15h 25m
British Airways
Deal found 14/7£870
Sun 1/1115:55
GLA
-
IAH
1 stop28h 10m
British Airways
Sun 15/1115:50
IAH
-
GLA
1 stop15h 25m
British Airways
Deal found 13/7£871
Tue 13/1014:20
GLA
-
IAH
2 stops26h 35m
Icelandair
Wed 28/1011:44
IAH
-
GLA
2 stops17h 11m
Icelandair
Deal found 14/7£875
Tue 13/1014:20
GLA
-
IAH
2 stops26h 35m
Icelandair
Thu 29/1011:44
IAH
-
GLA
2 stops17h 11m
Icelandair
Deal found 14/7£883
Sun 18/1008:35
GLA
-
IAH
2 stops20h 05m
Multiple Airlines
Sun 1/1119:10
IAH
-
GLA
1 stop14h 05m
Multiple Airlines
Deal found 14/7£902
Sun 1/1110:20
GLA
-
HOU
2 stops19h 37m
British Airways
Sun 15/1118:22
HOU
-
GLA
2 stops16h 18m
British Airways
Deal found 13/7£917
Tue 10/1109:05
GLA
-
HOU
2 stops18h 38m
Delta
Mon 16/1113:00
HOU
-
GLA
2 stops17h 45m
Delta
Deal found 14/7£968

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 18 July 2026.

Round-trip from

£733

One-way from

£450

Popular in

August

Cheapest in

April

Average price

£1,252
Virgin Atlantic
  • Virgin Atlantic
  • 15/10-29/10
  • 2 total stops
  • 38h 22m total
  • Glasgow to Houston
Search Deals
30/9
  • 30/9
  • 3 total stops
  • 59h 39m 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 (£37 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 18 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

Sun 1/11

20:10-14:05

1 stop23h 55m

Houston George Bush Intcntl

Sun 15/11

17:23-14:35

2 stops15h 12m

£871

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Sun 1/11

10:20-23:57

2 stops19h 37m

Houston Hobby

Sun 15/11

18:22-16:40

2 stops16h 18m

£917

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Tue 10/11

09:05-21:43

2 stops18h 38m

Houston Hobby

Mon 16/11

13:00-12:45

2 stops17h 45m

£968

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 10/11

06:00-17:42

2 stops17h 42m

Houston George Bush Intcntl

Mon 16/11

15:25-12:45

2 stops15h 20m

£968

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Mon 9/11

11:55-23:55

2 stops18h 00m

Houston Hobby

Sun 15/11

11:55-09:55

2 stops16h 00m

£971

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 23/9

14:00-00:27

2 stops16h 27m

Houston George Bush Intcntl

Sun 27/9

20:20-10:10

1 stop31h 50m

£985
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 9/11

06:00-13:05

1 stop13h 05m

Houston George Bush Intcntl

Sat 14/11

15:05-10:05

1 stop13h 00m

£994

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sun 8/11

13:25-13:05

1 stop29h 40m

Houston George Bush Intcntl

Thu 12/11

14:30-12:45

2 stops16h 15m

£994

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Tue 10/11

09:05-21:43

2 stops18h 38m

Houston Hobby

Sat 14/11

13:00-10:05

2 stops15h 05m

£999

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 3/9

14:00-23:33

1 stop15h 33m

Houston George Bush Intcntl

Mon 7/9

20:11-10:10

1 stop31h 59m

£1,020

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 25 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, October is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £742). Flying from Glasgow Intl Airport to Houston in August is currently the most expensive (average of £1,306). 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 18 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
1,542 reviews
Check prices

Entertainment

7.2

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,542 reviews
KLM
7.8
Good
1,542 reviews
Check prices

Entertainment

7.2

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,126 reviews
KLM
7.8
Good
1,542 reviews
Check prices

Entertainment

7.2

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 17h 42m. Fly via British Airways, Delta, or KLM 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 (£679), and KLM (£720) 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, October is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £742). Flying from Glasgow Intl Airport to Houston in August is currently the most expensive (average of £1,306). 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 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£679Average£958FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£720Average£1,045FlexibilityNo 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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