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Cheap flights from Glasgow Intl Airport to Houston from £332

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
1 May — 8 May1
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 1 April 2026.

Mon 27/406:40
GLA
-
IAH
3 stops34h 31m
Multiple Airlines
Mon 11/517:29
IAH
-
GLA
2 stops31h 21m
Multiple Airlines
Deal found 29/3£640
Sun 3/508:00
GLA
-
IAH
3 stops41h 38m
Multiple Airlines
Mon 18/517:29
IAH
-
GLA
2 stops34h 11m
Multiple Airlines
Deal found 1/4£672
Wed 22/406:30
GLA
-
IAH
3 stops43h 47m
Multiple Airlines
Tue 5/505:45
IAH
-
GLA
3 stops25h 40m
Multiple Airlines
Deal found 29/3£722
Thu 16/415:30
GLA
-
IAH
3 stops35h 40m
Multiple Airlines
Thu 25/615:20
IAH
-
GLA
2 stops26h 05m
Multiple Airlines
Deal found 29/3£885
Mon 21/905:50
GLA
-
IAH
1 stop13h 35m
Multiple Airlines
Tue 22/915:40
IAH
-
GLA
2 stops18h 30m
Multiple Airlines
Deal found 31/3£890
Mon 10/811:00
GLA
-
IAH
2 stops41h 40m
Multiple Airlines
Mon 24/821:05
IAH
-
GLA
1 stop15h 35m
Multiple Airlines
Deal found 1/4£907
Wed 2/1211:40
GLA
-
HOU
2 stops18h 18m
British Airways
Fri 11/1218:29
HOU
-
GLA
2 stops17h 31m
British Airways
Deal found 31/3£946
Fri 11/907:00
GLA
-
HOU
2 stops18h 51m
British Airways
Mon 28/918:19
HOU
-
GLA
2 stops18h 21m
British Airways
Deal found 29/3£948
Mon 27/406:00
GLA
-
HOU
2 stops23h 07m
Delta
Mon 11/513:06
HOU
-
GLA
2 stops21h 04m
Delta
Deal found 29/3£978
Mon 27/414:20
GLA
-
HOU
2 stops16h 05m
Multiple Airlines
Mon 11/514:20
HOU
-
GLA
3 stops17h 05m
Multiple Airlines
Deal found 29/3£1,021
Tue 28/409:35
GLA
-
HOU
2 stops16h 16m
Multiple Airlines
Tue 5/512:42
HOU
-
GLA
2 stops14h 58m
Multiple Airlines
Deal found 29/3£1,021
Wed 15/409:30
GLA
-
HOU
2 stops16h 21m
British Airways
Tue 21/416:18
HOU
-
GLA
2 stops16h 22m
British Airways
Deal found 30/3£1,025

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 1 April 2026.

Round-trip from

£640

One-way from

£332

Popular in

June

Cheapest in

August

Average price

£784
27/4-11/5
  • 27/4-11/5
  • 5 total stops
  • 65h 52m total
  • Glasgow to Houston
Search Deals
21/4
  • 21/4
  • 3 total stops
  • 44h 27m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 1 April 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

Mon 27/4

05:50-13:20

1 stop13h 30m

Houston George Bush Intcntl

Mon 11/5

09:50-10:05

2 stops18h 15m

£972

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Mon 27/4

06:00-23:07

2 stops23h 07m

Houston Hobby

Mon 11/5

13:06-16:10

2 stops21h 04m

£978

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 23/9

06:25-19:15

1 stop18h 50m

Houston George Bush Intcntl

Sun 27/9

21:05-18:45

1 stop15h 40m

£996
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 24/9

11:25-19:20

1 stop13h 55m

Houston George Bush Intcntl

Mon 28/9

21:05-16:10

1 stop13h 05m

£996

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Mon 27/4

14:20-00:25

2 stops16h 05m

Houston Hobby

Mon 11/5

14:20-13:25

3 stops17h 05m

£1,021

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Wed 23/9

09:30-19:51

2 stops16h 21m

Houston Hobby

Sun 27/9

12:01-10:30

2 stops16h 29m

£1,071

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Mon 21/9

10:00-19:51

2 stops15h 51m

Houston Hobby

Tue 22/9

16:15-14:40

2 stops16h 25m

£1,103

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fri 12/6

08:35-19:51

2 stops17h 16m

Houston Hobby

Mon 29/6

16:15-14:50

2 stops16h 35m

£1,337

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Sat 13/6

07:55-19:51

2 stops17h 56m

Houston Hobby

Tue 30/6

18:40-16:45

2 stops16h 05m

£1,384

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fri 3/7

07:00-19:53

2 stops18h 53m

Houston Hobby

Tue 14/7

16:15-16:45

2 stops18h 30m

£1,405

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 28 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 £552). Flying from Glasgow Intl Airport to Houston in January is currently the most expensive (average of £770). 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 Intl Airport to Houston?

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 1 April 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
1,481 reviews
Check prices

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

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
7.8
Good
1,481 reviews
KLM
7.8
Good
1,481 reviews
Check prices

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

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
7,841 reviews
KLM
7.8
Good
1,481 reviews
Check prices

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

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 30m. Fly via British Airways or Delta 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, KLM (£552), and British Airways (£653) offers the cheapest pricing from Glasgow Intl Airport to Houston. KLM 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, June is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £552). Flying from Glasgow Intl Airport to Houston in January is currently the most expensive (average of £770). 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 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£552Average£858FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£653Average£837FlexibilityNo cancel feeOn-time70%
Search British Airways 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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