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Cheap flights from Glasgow to Houston George Bush Intcntl Airport from £312

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Glasgow to Houston George Bush Intcntl are usually found in February or June, 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 30 April 2025.

Round-trip from

£761

One-way from

£312

Popular in

December

Cheapest in

February

Average price

£872
3/7-12/7
  • 3/7-12/7
  • 5 total stops
  • 72h 22m total
  • Glasgow to Houston
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26/5
  • 26/5
  • 3 total stops
  • 54h 52m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£61 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 30 April 2025.

Sat 8/1106:35GLA - IAH
2 stops18h 51mBritish Airways
Sat 22/1121:45IAH - GLA
1 stop12h 00mBritish Airways
Deal found 29/4£717
Thu 3/713:45GLA - IAH
3 stops37h 07mMultiple Airlines
Sat 12/705:45IAH - GLA
2 stops35h 15mMultiple Airlines
Deal found 29/4£761
Thu 3/713:30GLA - IAH
1 stop29h 45mKLM
Sat 12/715:30IAH - GLA
1 stop18h 40mKLM
Deal found 29/4£905
Sat 7/605:50GLA - IAH
2 stops17h 53mFinnair
Sun 22/618:11IAH - GLA
2 stops16h 29mFinnair
Deal found 29/4£932
Sat 7/605:50GLA - IAH
2 stops17h 55mAmerican Airlines
Sun 22/616:22IAH - GLA
2 stops16h 18mAmerican Airlines
Deal found 29/4£955
Wed 23/708:35GLA - IAH
2 stops21h 00mAer Lingus
Tue 5/821:00IAH - GLA
2 stops16h 40mAer Lingus
Deal found 29/4£1,016
Sun 4/513:10GLA - IAH
1 stop30h 25mLufthansa
Wed 21/516:20IAH - GLA
2 stops24h 45mLufthansa
Deal found 29/4£2,301
Thu 1/513:30GLA - IAH
1 stop29h 45mVirgin Atlantic
Wed 21/515:30IAH - GLA
1 stop15h 30mVirgin Atlantic
Deal found 29/4£2,791
Wed 30/408:55GLA - IAH
2 stops21h 01mDelta
Tue 20/505:30IAH - GLA
2 stops20h 40mDelta
Deal found 29/4£3,123

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 30 April 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

Thu 3/7

13:45-20:52

3 stops37h 07m

Houston George Bush Intcntl

Sat 12/7

05:45-23:00

2 stops35h 15m

£761

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 3/7

13:30-13:15

1 stop29h 45m

Houston George Bush Intcntl

Sat 12/7

15:30-16:10

1 stop18h 40m

£905

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/6

05:50-13:30

1 stop13h 40m

Houston George Bush Intcntl

Sun 22/6

21:40-16:40

1 stop13h 00m

£917

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/6

05:50-17:43

2 stops17h 53m

Houston George Bush Intcntl

Sun 22/6

18:11-16:40

2 stops16h 29m

£932

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/6

05:50-17:45

2 stops17h 55m

Houston George Bush Intcntl

Sun 22/6

16:22-14:40

2 stops16h 18m

£955

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 23/7

08:35-23:35

2 stops21h 00m

Houston George Bush Intcntl

Tue 5/8

21:00-19:40

2 stops16h 40m

£1,016

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 26/5

21:50-22:42

3 stops54h 52m

£312

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 7/7

13:55-23:35

2 stops15h 40m

£815

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 26/5

06:10-17:50

1 stop17h 40m

£897

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 7/7

11:35-19:15

1 stop13h 40m

£972

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 25 April 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 30 April 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.

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 81.0 mm.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

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 30 April 2025.
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,334 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Finnair
7.6
Good
1,275 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,076 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Lufthansa
6.7
Okay
7,046 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.2

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 £905, KLM will fly you from Glasgow to Houston George Bush Intcntl Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Finnair - these airlines can fly you to your destination from £917 and £932, respectively.

  • 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 £815 on Aer Lingus. Other airlines that offer cheap prices include Lufthansa from £897 and British Airways from £972 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?

Book flights to Glasgow if you plan to visit one of these locations
Livingston
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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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£514Average£718FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£537Average£950FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Turkish AirlinesCheapest£606Average£649FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Virgin AtlanticCheapest£626Average£919FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£632Average£825FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£634Average£980FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£652Average£867FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£692Average£852FlexibilityNo cancel feeOn-time75%
Search KLM 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?

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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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