Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow Intl Airport to Houston from £531

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
28 Mar — 4 Apr1
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 26 February 2026.

Sat 11/419:10
GLA
-
IAH
3 stops34h 39m
Multiple Airlines
Thu 23/411:50
IAH
-
GLA
2 stops38h 50m
Multiple Airlines
Deal found 22/2£769
Fri 10/406:50
GLA
-
IAH
2 stops21h 47m
Multiple Airlines
Fri 17/407:05
IAH
-
GLA
3 stops21h 40m
Multiple Airlines
Deal found 24/2£773
Wed 22/414:20
GLA
-
IAH
2 stops27h 47m
Multiple Airlines
Wed 13/514:45
IAH
-
GLA
2 stops26h 25m
Multiple Airlines
Deal found 22/2£835
Wed 22/410:50
GLA
-
IAH
1 stop14h 25m
British Airways
Thu 14/517:25
IAH
-
GLA
2 stops16h 40m
British Airways
Deal found 22/2£853
Wed 22/406:30
GLA
-
IAH
3 stops41h 30m
Multiple Airlines
Fri 15/510:00
IAH
-
GLA
2 stops16h 40m
Multiple Airlines
Deal found 22/2£855
Tue 10/306:00
GLA
-
IAH
1 stop18h 15m
Lufthansa
Tue 31/318:05
IAH
-
GLA
1 stop16h 40m
Lufthansa
Deal found 24/2£866
Tue 7/406:00
GLA
-
HOU
2 stops22h 42m
Delta
Tue 14/417:23
HOU
-
GLA
2 stops16h 47m
Delta
Deal found 21/2£1,001
Thu 9/406:00
GLA
-
HOU
2 stops22h 42m
Virgin Atlantic
Thu 16/410:53
HOU
-
GLA
2 stops15h 32m
Virgin Atlantic
Deal found 23/2£1,051
Sat 11/413:25
GLA
-
HOU
2 stops16h 22m
Multiple Airlines
Thu 23/420:21
HOU
-
GLA
2 stops17h 14m
Multiple Airlines
Deal found 22/2£1,102
Wed 22/413:30
GLA
-
HOU
2 stops15h 37m
Air France
Fri 15/513:06
HOU
-
GLA
2 stops14h 34m
Air France
Deal found 22/2£1,172
Thu 9/406:00
GLA
-
HOU
2 stops22h 42m
Delta
Thu 16/417:23
HOU
-
GLA
2 stops16h 47m
Delta
Deal found 23/2£1,182
Wed 22/413:30
GLA
-
HOU
2 stops15h 37m
KLM
Wed 13/510:27
HOU
-
GLA
2 stops15h 58m
KLM
Deal found 22/2£1,219

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 26 February 2026.

Round-trip from

£769

One-way from

£531

Popular in

June

Cheapest in

August

Average price

£750
11/4-23/4
  • 11/4-23/4
  • 5 total stops
  • 73h 29m total
  • Glasgow to Houston
Search Deals
British Airways
  • British Airways
  • 10/7
  • 1 total stop
  • 15h 45m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 26 February 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

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 10/4

06:50-22:37

2 stops21h 47m

Houston George Bush Intcntl

Fri 17/4

15:20-09:40

1 stop12h 20m

£883

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 10/3

17:20-14:30

1 stop26h 10m

Houston George Bush Intcntl

Tue 31/3

15:20-16:10

1 stop18h 50m

£886

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 10/3

06:05-14:30

1 stop13h 25m

Houston George Bush Intcntl

Tue 31/3

11:35-12:55

2 stops19h 20m

£887

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 11/4

10:25-13:15

1 stop32h 50m

Houston George Bush Intcntl

Thu 23/4

15:20-12:55

1 stop15h 35m

£908

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 22/4

13:30-23:59

2 stops16h 29m

Houston George Bush Intcntl

Fri 15/5

18:35-16:15

2 stops15h 40m

£912

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 1/4

10:50-23:57

2 stops19h 07m

Houston George Bush Intcntl

Wed 22/4

17:25-15:35

2 stops16h 10m

£935

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Tue 7/4

06:00-22:42

2 stops22h 42m

Houston Hobby

Tue 14/4

17:23-16:10

2 stops16h 47m

£1,001

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 11/7

14:00-08:18

2 stops24h 18m

Houston George Bush Intcntl

Sat 25/7

09:48-10:10

1 stop18h 22m

£1,028

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Thu 9/4

06:00-22:42

2 stops22h 42m

Houston Hobby

Thu 16/4

10:53-08:25

2 stops15h 32m

£1,051

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Sat 11/4

13:25-23:47

2 stops16h 22m

Houston Hobby

Thu 23/4

20:21-19:35

2 stops17h 14m

£1,102

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Showing 1-10 of 30 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, June is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £539). Flying from Glasgow Intl Airport to Houston in January is currently the most expensive (average of £752). 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 26 February 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
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,768 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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, Delta, or Virgin Atlantic 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 (£638), and KLM (£693) offers the cheapest pricing from Glasgow Intl Airport to Houston. British Airways is 20% 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, June is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £539). Flying from Glasgow Intl Airport to Houston in January is currently the most expensive (average of £752). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£638Average£821FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£693Average£845FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.