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Cheap flights from Glasgow Intl Airport to Houston from £273

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
19 May — 26 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 19 April 2026.

Wed 20/507:45
GLA
-
IAH
3 stops44h 31m
Multiple Airlines
Wed 8/706:30
IAH
-
GLA
2 stops21h 10m
Multiple Airlines
Deal found 17/4£703
Fri 5/607:25
GLA
-
IAH
3 stops22h 27m
Multiple Airlines
Mon 8/606:50
IAH
-
GLA
2 stops24h 35m
Multiple Airlines
Deal found 15/4£766
Fri 9/1014:20
GLA
-
IAH
2 stops26h 35m
Multiple Airlines
Tue 20/1015:30
IAH
-
GLA
1 stop12h 10m
Multiple Airlines
Deal found 18/4£867
Sun 11/1007:30
GLA
-
IAH
2 stops21h 10m
Multiple Airlines
Thu 15/1021:10
IAH
-
GLA
1 stop14h 20m
Multiple Airlines
Deal found 18/4£932
Thu 8/1015:55
GLA
-
IAH
2 stops25h 00m
Multiple Airlines
Thu 15/1021:10
IAH
-
GLA
1 stop14h 20m
Multiple Airlines
Deal found 18/4£935
Fri 15/521:25
GLA
-
IAH
3 stops37h 25m
Multiple Airlines
Fri 22/509:58
IAH
-
GLA
3 stops38h 52m
Multiple Airlines
Deal found 17/4£947
Sat 31/1011:40
GLA
-
HOU
2 stops17h 13m
British Airways
Wed 4/1118:22
HOU
-
GLA
2 stops15h 28m
British Airways
Deal found 17/4£999
Fri 4/905:50
GLA
-
HOU
2 stops20h 01m
British Airways
Tue 8/915:58
HOU
-
GLA
2 stops16h 42m
British Airways
Deal found 16/4£1,000
Tue 5/519:30
GLA
-
HOU
2 stops30h 21m
British Airways
Thu 14/520:21
HOU
-
GLA
2 stops19h 09m
British Airways
Deal found 16/4£1,053
Wed 20/506:00
GLA
-
HOU
2 stops22h 26m
Delta
Wed 8/710:40
HOU
-
GLA
2 stops23h 35m
Delta
Deal found 17/4£1,095
Mon 1/611:50
GLA
-
HOU
2 stops18h 09m
British Airways
Mon 8/620:23
HOU
-
GLA
2 stops16h 17m
British Airways
Deal found 17/4£1,108
Mon 25/510:00
GLA
-
HOU
2 stops15h 51m
American Airlines
Mon 22/618:39
HOU
-
GLA
2 stops15h 31m
American Airlines
Deal found 16/4£1,117

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 19 April 2026.

Round-trip from

£703

One-way from

£273

Popular in

June

Cheapest in

August

Average price

£731
WestJet
  • WestJet
  • 20/5-8/7
  • 5 total stops
  • 65h 41m total
  • Glasgow to Houston
Search Deals
25/5
  • 25/5
  • 3 total stops
  • 41h 10m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£49 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 19 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

Wed 20/5

07:45-22:16

3 stops44h 31m

Houston George Bush Intcntl

Wed 8/7

06:30-09:40

3 stops21h 10m

£731

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 15/5

21:25-04:50

3 stops37h 25m

Houston George Bush Intcntl

Fri 22/5

17:29-06:50

2 stops31h 21m

£952

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 4/9

05:50-13:25

1 stop13h 35m

Houston George Bush Intcntl

Tue 8/9

07:00-09:40

2 stops20h 40m

£997

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fri 4/9

07:00-19:51

2 stops18h 51m

Houston Hobby

Tue 8/9

12:14-09:40

2 stops15h 26m

£1,000

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 15/5

14:00-08:27

2 stops24h 27m

Houston George Bush Intcntl

Fri 22/5

14:49-10:10

1 stop13h 21m

£1,052

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Tue 5/5

19:30-19:51

2 stops30h 21m

Houston Hobby

Thu 14/5

20:21-21:30

2 stops19h 09m

£1,053

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 5/6

19:40-13:20

1 stop23h 40m

Houston George Bush Intcntl

Mon 8/6

15:25-19:40

1 stop22h 15m

£1,078
Fastest return journey

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 5/6

06:00-13:20

1 stop13h 20m

Houston George Bush Intcntl

Mon 8/6

17:40-16:10

2 stops16h 30m

£1,082

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 25/5

10:45-19:15

1 stop14h 30m

Houston George Bush Intcntl

Tue 23/6

18:31-16:45

2 stops16h 14m

£1,085

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Wed 20/5

06:00-22:26

2 stops22h 26m

Houston Hobby

Wed 8/7

10:40-16:15

2 stops23h 35m

£1,095

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 34 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £492). Flying from Glasgow Intl Airport to Houston in January is currently the most expensive (average of £753). 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 19 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
1,502 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

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
1,502 reviews
KLM
7.8
Good
1,502 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

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
7,891 reviews
KLM
7.8
Good
1,502 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

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 18h 51m. Fly via British Airways or Delta to get the fastest option. The distance between Glasgow Intl Airport and Houston is about 4576 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 (£539), and British Airways (£638) 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, September is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £492). Flying from Glasgow Intl Airport to Houston in January is currently the most expensive (average of £753). 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 19 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£539Average£846FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£638Average£852FlexibilityNo 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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