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Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £572

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from Glasgow 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 to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) 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 11 July 2025.

Round-trip from

£726

Popular in

December

Cheapest in

February

Average price

£977
British Airways
  • British Airways
  • 10/11-17/11
  • 2 total stops
  • 29h 05m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Glasgow to George Bush Intcntl

Cheapest flights from Glasgow to George Bush Intcntl
Explore the most affordable flight options available from Glasgow to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Fri 5/920:55GLA - IAH
2 stops31h 53mMultiple Airlines
Sat 25/415:30IAH - GLA
1 stop11h 50mMultiple Airlines
Deal found 11/7£572
Wed 3/906:00GLA - IAH
1 stop13h 15mAir France
Wed 22/415:30IAH - GLA
1 stop18h 40mAir France
Deal found 11/7£724
Mon 10/1109:45GLA - IAH
1 stop16h 15mBritish Airways
Mon 17/1121:45IAH - GLA
1 stop12h 50mBritish Airways
Deal found 9/7£726
Wed 3/913:30GLA - IAH
2 stops16h 26mKLM
Wed 22/410:45IAH - GLA
2 stops15h 40mKLM
Deal found 11/7£734
Tue 2/906:00GLA - IAH
1 stop13h 15mDelta
Tue 21/417:00IAH - GLA
2 stops17h 10mDelta
Deal found 11/7£745
Wed 17/906:10GLA - IAH
1 stop17h 40mLufthansa
Sun 28/915:35IAH - GLA
1 stop14h 50mLufthansa
Deal found 9/7£757
Sun 31/815:40GLA - IAH
1 stop28h 00mAmerican Airlines
Wed 22/421:00IAH - GLA
1 stop30h 40mAmerican Airlines
Deal found 11/7£882

Cheapflights Fare Finder

Customise your flight search to find flights from Glasgow 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 11 July 2025.
Use the filters below to find and compare flights from Glasgow to Houston George Bush Intcntl Airport that are best for you.

Fly from

Glasgow

Fly to

George Bush Intcntl

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 10/11

09:45-20:00

1 stop16h 15m

Houston George Bush Intcntl

Mon 17/11

21:45-16:35

1 stop12h 50m

£726

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

£745

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

£757

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 14/11

12:40-10:12

2 stops27h 32m

Houston George Bush Intcntl

Sun 30/11

16:50-23:10

2 stops24h 20m

£795

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 23/7

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

Tue 5/8

15:30-13:00

1 stop15h 30m

£1,060

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 30/7

15:55-13:40

2 stops27h 45m

£1,046

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 30/7

06:10-17:50

1 stop17h 40m

£1,293

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 30/7

05:50-13:40

1 stop13h 50m

£1,339

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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

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

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

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

To ensure you get the cheapest price possible for a flight from Glasgow to Houston George Bush Intcntl Airport, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

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

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

Find hourly flight availability from Glasgow to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

It’s optimal to fly from Glasgow to Houston George Bush Intcntl Airport at midday. By choosing this option you can save up to 3% on the cost of your flight, compared to a flight in the morning.

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 11 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andAer Lingus from Glasgow to Houston George Bush Intcntl Airport. 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
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Aer Lingus
7.1
Good
1,154 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Lufthansa
6.8
Okay
7,200 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
British Airways
6.6
Okay
7,109 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.

Related info for your journey

Find useful and relevant information for your journey from Glasgow 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 to Houston George Bush Intcntl Airport round-trip?

    Currently priced at £726, British Airways will fly you from Glasgow to Houston George Bush Intcntl Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Lufthansa - these airlines can fly you to your destination from £745 and £757, respectively. Users have found that British Airways is 17% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as £1,046 on Aer Lingus. Other airlines that offer cheap prices include Lufthansa from £1,293 and British Airways from £1,339 one-way.

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

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

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

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

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

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

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Top 8 airlines flying from Glasgow to George Bush Intcntl

Discover the top 8 airlines that operate flights from Glasgow 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest£477Average£633FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest£513Average£638FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£537Average£821FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£617Average£885FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£621Average£801FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£640Average£795FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£641Average£874FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£697Average£922FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Deals for Glasgow to George Bush Intcntl 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 to George Bush Intcntl?

Cheapflights simply makes it quick and affordable to book flights from Glasgow to George Bush Intcntl 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 to George Bush Intcntl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Glasgow to George Bush Intcntl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Glasgow to George Bush Intcntl become cheaper?

Yes, Cheapflights offers price alerts on Glasgow 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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