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Cheap flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport 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 — IAH
6 Jul — 13 Jul1
1 adult

Cheapflights Tip: The best prices from Glasgow Intl to Houston George Bush Intcntl are usually found in February or March, booked 45 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Glasgow Intl to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to George Bush Intcntl (IAH). 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 July 2025.

Round-trip from

£636

One-way from

£446

Popular in

December

Cheapest in

February

Average price

£968
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. 8% potential increase in price (£62 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£18 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 George Bush Intcntl

Cheapest flights from Glasgow Intl to George Bush Intcntl
Explore the most affordable flight options available from Glasgow Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Fri 14/1106:35GLA - IAH
1 stop13h 35mBritish Airways
Sun 30/1121:45IAH - GLA
1 stop13h 50mBritish Airways
Deal found 29/6£636
Fri 14/1106:35GLA - IAH
2 stops18h 51mMultiple Airlines
Sun 30/1110:14IAH - GLA
2 stops22h 21mMultiple Airlines
Deal found 29/6£734
Wed 17/906:00GLA - IAH
1 stop13h 15mDelta
Sun 28/912:39IAH - GLA
2 stops21h 31mDelta
Deal found 30/6£744
Wed 17/906:10GLA - IAH
1 stop17h 40mLufthansa
Sun 28/915:35IAH - GLA
1 stop14h 50mLufthansa
Deal found 29/6£756
Fri 14/1116:05GLA - IAH
1 stop28h 05mFinnair
Sun 30/1114:29IAH - GLA
2 stops18h 06mFinnair
Deal found 30/6£782
Wed 23/706:00GLA - IAH
1 stop13h 15mKLM
Tue 5/815:55IAH - GLA
2 stops15h 05mKLM
Deal found 30/6£1,060

Cheapflights Fare Finder

Customise your flight search to find flights from Glasgow Intl to George Bush Intcntl 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 July 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Glasgow Intl

Fly to

George Bush Intcntl

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 14/11

06:35-14:10

1 stop13h 35m

Houston George Bush Intcntl

Sun 30/11

21:45-17:35

1 stop13h 50m

£636

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 14/11

06:35-19:26

2 stops18h 51m

Houston George Bush Intcntl

Sun 30/11

10:14-14:35

2 stops22h 21m

£734

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 17/9

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

Sun 28/9

12:39-16:10

2 stops21h 31m

£744

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 17/9

06:10-17:50

1 stop17h 40m

Houston George Bush Intcntl

Sun 28/9

15:35-12:25

1 stop14h 50m

£756

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 14/11

16:05-14:10

1 stop28h 05m

Houston George Bush Intcntl

Sun 30/11

14:29-14:35

2 stops18h 06m

£782

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 23/7

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

Tue 5/8

15:55-13:00

2 stops15h 05m

£1,060

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 30/7

18:55-20:31

3 stops55h 36m

£446

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 30/7

08:35-23:24

2 stops20h 49m

£1,025

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 30/7

06:10-16:25

2 stops16h 15m

£1,163

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 30/7

05:50-13:40

1 stop13h 50m

£1,169

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Best time to book a flight from Glasgow Intl to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

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

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

The price you pay for your flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 45 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport (average of £680). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). 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 George Bush Intcntl Airport?

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated 1 July 2025.
See what other customers who have flown with Delta, KLM, andFinnair from Glasgow Intl Airport to Houston George Bush Intcntl Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,973 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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!
Aer Lingus
7.1
Good
1,140 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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!
Lufthansa
6.8
Okay
7,201 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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 George Bush Intcntl. 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 George Bush Intcntl Airport round-trip?

    Cheapflights users have booked flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport round-trip from £636. Other airlines that can offer you cheap pricing are Delta, from £744, and Lufthansa, from £756. British Airways is 26% 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 George Bush Intcntl Airport one-way?

    One-way options have recently been found by users for as low as £1,025 on Aer Lingus. Other airlines that offer cheap prices include Lufthansa from £1,163 and British Airways from £1,169 one-way.

  • Can I find deals for flights from Glasgow Intl to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to George Bush Intcntl.

  • Can I find deals for business class flights from Glasgow Intl to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Glasgow Intl to George Bush Intcntl 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 George Bush Intcntl Airport?

    Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport (average of £680). Flying from Glasgow Intl Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). 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

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Livingston
The Woodlands

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Alternative routes for Glasgow Intl to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Glasgow Intl to Hobby flights

Top 5 airlines flying from Glasgow Intl to George Bush Intcntl

Discover the top 5 airlines that operate flights from Glasgow Intl to George Bush Intcntl. 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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£508Average£644FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£532Average£827FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£612Average£916FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£615Average£828FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£664Average£934FlexibilityNo cancel feeOn-time77%
Search Air France flights

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How does Cheapflights help users find flights from Glasgow Intl to George Bush Intcntl?

When you search for this flight from Glasgow Intl to George Bush Intcntl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to George Bush Intcntl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to George Bush Intcntl from Glasgow Intl.

Can Cheapflights find flights from Glasgow Intl to George Bush Intcntl with no change fees?

Need flexible booking options for your flight to George Bush Intcntl 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 George Bush Intcntl become cheaper?

Yes, Cheapflights offers price alerts on Glasgow Intl to George Bush Intcntl 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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