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Cheap flights from Glasgow Intl Airport to Houston from £495

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
21 Apr — 28 Apr1
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 16 April 2025.

Round-trip from

£670

One-way from

£495

Popular in

August

Cheapest in

January

Average price

£908
3/5-18/5
  • 3/5-18/5
  • 4 total stops
  • 58h 21m total
  • Glasgow to Houston
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14/7
  • 14/7
  • 3 total stops
  • 45h 45m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£111 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£33 potential savings vs. average return price).
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Average for round-trip flights in April 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 16 April 2025.

Sat 3/508:45GLA - IAH
2 stops35h 21mMultiple Airlines
Sun 18/505:35IAH - GLA
2 stops23h 00mMultiple Airlines
Deal found 15/4£670
Sat 3/507:55GLA - IAH
2 stops22h 04mBritish Airways
Sun 18/515:25IAH - GLA
1 stop11h 55mBritish Airways
Deal found 15/4£776
Wed 17/906:00GLA - IAH
1 stop13h 15mDelta
Sun 28/910:45IAH - GLA
2 stops15h 25mDelta
Deal found 14/4£804
Fri 2/507:00GLA - HOU
2 stops17h 01mFinnair
Wed 14/520:16HOU - GLA
2 stops16h 24mFinnair
Deal found 14/4£809
Sat 7/606:00GLA - IAH
2 stops17h 41mKLM
Sun 22/610:49IAH - GLA
2 stops15h 21mKLM
Deal found 14/4£928
Sat 21/605:50GLA - HOU
2 stops23h 58mBritish Airways
Sat 5/714:29HOU - GLA
2 stops20h 26mBritish Airways
Deal found 15/4£931
Sat 7/605:50GLA - IAH
2 stops17h 55mFinnair
Sun 22/618:11IAH - GLA
2 stops16h 29mFinnair
Deal found 15/4£932
Wed 23/706:00GLA - IAH
1 stop13h 15mVirgin Atlantic
Tue 5/815:30IAH - GLA
1 stop25h 40mVirgin Atlantic
Deal found 15/4£1,353
Sat 18/1006:00GLA - IAH
1 stop13h 15mAir France
Sun 16/1116:10IAH - GLA
2 stops18h 25mAir France
Deal found 14/4£1,364
Wed 23/706:10GLA - IAH
2 stops16h 15mLufthansa
Tue 5/815:35IAH - GLA
1 stop14h 45mLufthansa
Deal found 15/4£1,585
Sat 3/507:55GLA - HOU
2 stops20h 45mIberia
Sun 18/514:28HOU - GLA
2 stops18h 12mIberia
Deal found 15/4£1,736
Sat 21/614:20GLA - HOU
2 stops14h 50mMultiple Airlines
Sat 5/713:00HOU - GLA
3 stops18h 25mMultiple Airlines
Deal found 15/4£2,139

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 16 April 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

Sat 3/5

08:45-14:06

2 stops35h 21m

Houston George Bush Intcntl

Sun 18/5

05:35-10:35

2 stops23h 00m

£670

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 3/5

07:55-23:59

2 stops22h 04m

Houston George Bush Intcntl

Sun 18/5

15:25-09:20

1 stop11h 55m

£776

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 17/9

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

Sun 28/9

10:45-08:10

2 stops15h 25m

£804

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fri 2/5

07:00-18:01

2 stops17h 01m

Houston Hobby

Wed 14/5

20:16-18:40

2 stops16h 24m

£809

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/6

06:00-17:41

2 stops17h 41m

Houston George Bush Intcntl

Sun 22/6

10:49-08:10

2 stops15h 21m

£928

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Sat 21/6

05:50-23:48

2 stops23h 58m

Houston Hobby

Sat 5/7

14:29-16:55

2 stops20h 26m

£931

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/6

05:50-17:45

2 stops17h 55m

Houston George Bush Intcntl

Sun 22/6

18:11-16:40

2 stops16h 29m

£932

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 23/7

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

Tue 5/8

15:30-23:10

1 stop25h 40m

£1,353

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 23/7

06:10-16:25

2 stops16h 15m

Houston George Bush Intcntl

Tue 5/8

15:35-12:20

1 stop14h 45m

£1,585

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Sat 3/5

07:55-22:40

2 stops20h 45m

Houston Hobby

Sun 18/5

14:28-14:40

2 stops18h 12m

£1,736

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 20 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 11 April 2025.

The best time to book flights from Glasgow Intl Airport to Houston is 82 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 16 April 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.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston 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 when rainfall is around 81.0 mm.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, 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 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 16 April 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Glasgow to Houston. 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
7,918 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

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
7,918 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

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
1,323 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

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
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

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
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

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
1,063 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

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 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 (£776), Delta (£804), and Finnair (£809) offers the cheapest pricing from Glasgow Intl Airport to Houston. British Airways is 13% 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 £721. Users have also found prices from £892 and £909 on Lufthansa and British Airways, 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 16 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£529Average£801FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£585Average£897FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£635Average£911FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£646Average£845FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£661Average£844FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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