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Cheap flights from Glasgow Intl Airport to Houston from £446

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 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
6 heinä — 13 heinä1
1 adult

Cheap 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 heinäkuu 2025.

Round-trip from

£636

One-way from

£446

Popular in

December

Cheapest in

January

Average price

£742
British Airways
  • British Airways
  • 14/11-30/11
  • 2 total stops
  • 27h 25m total
  • Glasgow to Houston
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30/7
  • 30/7
  • 3 total stops
  • 55h 36m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£40 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Glasgow Intl to Houston

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 heinäkuu 2025.

pe 14/1106:35GLA - IAH
1 stop13h 35mBritish Airways
su 30/1121:45IAH - GLA
1 stop13h 50mBritish Airways
Deal found 29/6£636
pe 14/1106:35GLA - IAH
2 stops18h 51mMultiple Airlines
su 30/1110:14IAH - GLA
2 stops22h 21mMultiple Airlines
Deal found 29/6£734
ke 17/906:00GLA - IAH
1 stop13h 15mDelta
su 28/912:39IAH - GLA
2 stops21h 31mDelta
Deal found 30/6£744
ke 17/906:10GLA - IAH
1 stop17h 40mLufthansa
su 28/915:35IAH - GLA
1 stop14h 50mLufthansa
Deal found 29/6£756
ma 10/1111:35GLA - HOU
2 stops18h 10mAmerican Airlines
ma 17/1112:25HOU - GLA
2 stops15h 25mAmerican Airlines
Deal found 30/6£774
pe 14/1116:05GLA - IAH
1 stop28h 05mFinnair
su 30/1114:29IAH - GLA
2 stops18h 06mFinnair
Deal found 30/6£782
ma 10/1112:35GLA - HOU
2 stops17h 15mMultiple Airlines
ma 17/1111:15HOU - GLA
3 stops16h 40mMultiple Airlines
Deal found 29/6£886
ke 23/706:00GLA - IAH
1 stop13h 15mKLM
ti 5/815:55IAH - GLA
2 stops15h 05mKLM
Deal found 30/6£1,060
ke 13/806:00GLA - HOU
2 stops22h 31mDelta
ke 20/813:05HOU - GLA
2 stops21h 05mDelta
Deal found 29/6£1,064

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 heinäkuu 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Houston that are best for you.

Fly from

Glasgow Intl

Fly to

Houston

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

pe 14/11

06:35-14:10

1 stop13h 35m

Houston George Bush Intcntl

su 30/11

21:45-17:35

1 stop13h 50m

£636

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

pe 14/11

06:35-19:26

2 stops18h 51m

Houston George Bush Intcntl

su 30/11

10:14-14:35

2 stops22h 21m

£734

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

ke 17/9

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

su 28/9

12:39-16:10

2 stops21h 31m

£744

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

ke 17/9

06:10-17:50

1 stop17h 40m

Houston George Bush Intcntl

su 28/9

15:35-12:25

1 stop14h 50m

£756

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

ma 10/11

11:35-23:45

2 stops18h 10m

Houston Hobby

ma 17/11

12:25-09:50

2 stops15h 25m

£774

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

pe 14/11

16:05-14:10

1 stop28h 05m

Houston George Bush Intcntl

su 30/11

14:29-14:35

2 stops18h 06m

£782

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

ma 10/11

12:35-23:50

2 stops17h 15m

Houston Hobby

ma 17/11

11:15-09:55

3 stops16h 40m

£886

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

ke 23/7

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

ti 5/8

15:55-13:00

2 stops15h 05m

£1,060

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

ke 13/8

06:00-22:31

2 stops22h 31m

Houston Hobby

ke 20/8

13:05-16:10

2 stops21h 05m

£1,064

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

ke 30/7

18:55-20:31

3 stops55h 36m

£446

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 18 results
1
2

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

How far ahead should I book a flight from Glasgow Intl Airport to Houston?

Use this chart to determine the optimal time to book a return flight from Glasgow Intl to Houston. Price data was last updated on 27 June 2025.

The best time to book flights from Glasgow Intl Airport to Houston is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £765). Flying from Glasgow Intl Airport to Houston in July is currently the most expensive (average of £1,114). 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.

What is the cheapest time of day to fly from GLA to HOU?

Find hourly flight availability from Glasgow Intl to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 heinäkuu 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 22% on flights from Glasgow Intl Airport to Houston by exploring options for tickets in the afternoon.

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 heinäkuu 2025.
See what other customers who have flown with Delta, KLM, andFinnair 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.
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,973 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,301 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, British Airways (£636), Delta (£744), and Lufthansa (£756) offers the cheapest pricing from Glasgow Intl Airport to Houston. British Airways is 24% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Glasgow Intl Airport to Houston one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £1,025. Users have also found prices from £1,145 and £1,163 on British Airways and Lufthansa, respectively.

  • 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, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £765). Flying from Glasgow Intl Airport to Houston in July is currently the most expensive (average of £1,114). 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 5 airlines flying from Glasgow Intl to Houston

Discover the top 5 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 heinäkuu 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£508Average£644FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£532Average£796FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£564Average£866FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£612Average£916FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£615Average£802FlexibilityNo 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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