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Cheap flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport from £711

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — IAH
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Glasgow Intl to Houston George Bush Intcntl are usually found in February or May, booked 48 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 25 March 2025.

Round-trip from

£790

One-way from

£711

Popular in

December

Cheapest in

February

Average price

£825
Air France
  • Air France
  • 17/9-28/9
  • 2 total stops
  • 60h 00m total
  • Glasgow to Houston
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Aer Lingus
  • Aer Lingus
  • 21/4
  • 2 total stops
  • 20h 50m total
  • Glasgow to Houston
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Highest demand for flights based on searches. 7% potential increase in price (£54 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in March 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 25 March 2025.

Mon 31/307:35GLA - IAH
2 stops39h 35mMultiple Airlines
Fri 4/421:00IAH - GLA
1 stop13h 40mMultiple Airlines
Deal found 24/3£768
Wed 17/908:55GLA - IAH
1 stop34h 20mAir France
Sun 28/915:30IAH - GLA
1 stop25h 40mAir France
Deal found 24/3£790
Wed 17/906:00GLA - IAH
1 stop13h 15mDelta
Sun 28/913:15IAH - GLA
2 stops20h 55mDelta
Deal found 24/3£810
Sat 7/605:50GLA - IAH
2 stops20h 44mBritish Airways
Sun 22/621:40IAH - GLA
1 stop13h 00mBritish Airways
Deal found 24/3£813
Sat 7/606:00GLA - IAH
2 stops15h 23mKLM
Sun 22/609:36IAH - GLA
2 stops16h 34mKLM
Deal found 24/3£935

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 25 March 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

Wed 17/9

08:55-13:15

1 stop34h 20m

Houston George Bush Intcntl

Sun 28/9

15:30-23:10

1 stop25h 40m

£790

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 17/9

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

Sun 28/9

13:15-16:10

2 stops20h 55m

£810

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/6

05:50-20:34

2 stops20h 44m

Houston George Bush Intcntl

Sun 22/6

21:40-16:40

1 stop13h 00m

£813

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/6

06:00-15:23

2 stops15h 23m

Houston George Bush Intcntl

Sun 22/6

09:36-08:10

2 stops16h 34m

£935

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 21/4

08:35-23:25

2 stops20h 50m

£711

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 21/4

05:50-13:40

1 stop13h 50m

£821

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 11/4

06:10-18:00

1 stop17h 50m

£899

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 21 March 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.

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

Find hourly flight availability from Glasgow Intl 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 25 March 2025.

It’s optimal to fly from Glasgow Intl Airport 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 25 March 2025.
Delta
8.0
Very Good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,423 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,061 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,646 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 £790. Other airlines that can offer you cheap pricing are Delta, from £810, and British Airways, from £813. Air France is 12% 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 £711 on Aer Lingus. Other airlines that offer cheap prices include Iberia from £821 and Lufthansa from £899 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
Conroe

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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£556Average£803FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£649Average£1,003FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£655Average£868FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£713Average£992FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£756Average£878FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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