How long is the flight from Glasgow Intl Airport to Houston?

There are many flights that can get you from Glasgow Intl Airport to Houston in 13h 15m. Fly via British Airways, Delta, or American Airlines to get the fastest option. The distance between Glasgow Intl Airport and Houston is about 4560 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Glasgow Intl Airport to Houston round-trip?

According to our current data, KLM (£580), Virgin Atlantic (£615), and British Airways (£618) offers the cheapest pricing from Glasgow Intl Airport to Houston. KLM is 33% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Glasgow Intl Airport to Houston?

Travellers seeking maximum savings on their Glasgow Intl Airport to Houston flight should consider departing on Monday mornings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from Glasgow Intl Airport to Houston?

Consider Air France, British Airways or KLM when booking your flight. These represent the most popular airlines when flying from Glasgow Intl Airport to Houston.

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.

£460+ Cheap Flights from Glasgow Intl Airport to Houston

Cheap flight deals from Glasgow Intl to Houston

Round-trip from	£678
One-way from	£460
Popular in	August
Cheapest in	January
Average price	£768

British Airways
14/11-30/11
2 total stops
26h 20m total
Glasgow to Houston

Search Deals

28/11
2 total stops
40h 29m total
Glasgow to Houston

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£85 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£39 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 17 September 2025.

Fr 14/1106:35GLA - IAH

1 stop13h 30mBritish Airways

So 30/1121:50IAH - GLA

1 stop12h 50mBritish Airways

Deal found 15/9£678

Mo 10/1112:45GLA - IAH

1 stop13h 15mBritish Airways

Mo 17/1121:45IAH - GLA

1 stop12h 50mBritish Airways

Deal found 15/9£684

Fr 26/906:00GLA - IAH

1 stop13h 15mKLM

Mo 6/1015:30IAH - GLA

1 stop34h 40mKLM

Deal found 15/9£688

Di 7/1008:55GLA - IAH

1 stop34h 20mKLM

So 12/1010:50IAH - GLA

2 stops15h 20mKLM

Deal found 15/9£689

Mo 10/1106:05GLA - HOU

2 stops23h 41mDelta

Mo 17/1118:53HOU - GLA

2 stops15h 42mDelta

Deal found 15/9£693

Fr 14/1106:35GLA - IAH

2 stops18h 49mAmerican Airlines

So 30/1117:45IAH - GLA

2 stops16h 55mAmerican Airlines

Deal found 15/9£718

Fr 26/920:25GLA - IAH

2 stops27h 48mBritish Airways

Mo 6/1016:47IAH - GLA

2 stops15h 53mBritish Airways

Deal found 15/9£804

Do 16/1010:00GLA - HOU

2 stops28h 29mAmerican Airlines

Di 21/1016:41HOU - GLA

2 stops15h 59mAmerican Airlines

Deal found 16/9£3,097

Fr 17/1008:55GLA - HOU

2 stops20h 05mDelta

Mi 22/1018:44HOU - GLA

2 stops15h 26mDelta

Deal found 16/9£4,434

Fr 17/1013:30GLA - HOU

2 stops15h 30mKLM

Do 23/1010:13HOU - GLA

2 stops15h 57mKLM

Deal found 16/9£4,534

So 19/1010:30GLA - HOU

2 stops18h 30mDelta

Fr 24/1014:22HOU - GLA

2 stops19h 48mDelta

Deal found 16/9£5,380

So 19/1006:00GLA - HOU

2 stops17h 48mMultiple Airlines

Do 23/1018:44HOU - GLA

2 stops15h 26mMultiple Airlines

Deal found 16/9£7,383

Best flights from Glasgow Intl to Houston
Discover carefully curated flight deals from Glasgow Intl to Houston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Fr 14/1106:35GLA - IAH

1 stop13h 30mBritish Airways

So 30/1121:50IAH - GLA

1 stop12h 50mBritish Airways

Deal found 15/9£678

Fr 26/906:00GLA - IAH

1 stop13h 15mDelta

Mo 6/1016:21IAH - GLA

2 stops17h 49mDelta

Deal found 15/9£689

Di 7/1008:55GLA - IAH

1 stop34h 20mKLM

So 12/1015:30IAH - GLA

1 stop25h 40mKLM

Deal found 15/9£689

Fr 20/206:35GLA - IAH

1 stop13h 30mAmerican Airlines

Di 24/215:50IAH - GLA

1 stop12h 00mAmerican Airlines

Deal found 14/9£690

Mo 17/1112:45GLA - IAH

1 stop13h 15mBritish Airways

Fr 5/1215:50IAH - GLA

1 stop11h 45mBritish Airways

Deal found 15/9£684

Mo 17/1106:05GLA - IAH

1 stop13h 25mDelta

Fr 5/1209:44IAH - GLA

2 stops18h 11mDelta

Deal found 15/9£689

Fr 20/206:35GLA - HOU

2 stops19h 28mAmerican Airlines

Di 24/218:31HOU - GLA

2 stops15h 19mAmerican Airlines

Deal found 14/9£694

Mo 10/1106:35GLA - IAH

1 stop13h 30mBritish Airways

Mo 17/1121:45IAH - GLA

1 stop12h 50mBritish Airways

Deal found 16/9£686

Mo 10/1106:05GLA - HOU

2 stops23h 41mDelta

Mo 17/1118:53HOU - GLA

2 stops15h 42mDelta

Deal found 15/9£693

Do 16/1010:00GLA - HOU

2 stops28h 29mAmerican Airlines

Di 21/1016:41HOU - GLA

2 stops15h 59mAmerican Airlines

Deal found 16/9£3,097

So 19/1006:00GLA - HOU

2 stops17h 48mMultiple Airlines

Do 23/1018:44HOU - GLA

2 stops15h 26mMultiple Airlines

Deal found 16/9£7,383

Fr 17/1013:30GLA - HOU

2 stops15h 30mKLM

Do 23/1010:13HOU - GLA

2 stops15h 57mKLM

Deal found 16/9£4,534

Sa 18/1013:15GLA - HOU

2 stops15h 45mKLM

Do 23/1010:13HOU - GLA

2 stops15h 57mKLM

Deal found 16/9£4,534

Fr 17/1008:55GLA - HOU

2 stops20h 05mDelta

Mi 22/1018:44HOU - GLA

2 stops15h 26mDelta

Deal found 16/9£4,434

So 19/1010:30GLA - HOU

2 stops18h 30mDelta

Fr 24/1014:22HOU - GLA

2 stops19h 48mDelta

Deal found 16/9£5,380

Last-minute flights from Glasgow Intl to Houston
Discover last-minute flight deals from Glasgow Intl to Houston. Data last updated 17 September 2025 and is based on user searches.

Mi 17/920:10GLA - IAH

2 stops33h 10mAer Lingus

So 28/921:40IAH - GLA

2 stops28h 25mAer Lingus

Deal found 15/9£1,130

Mi 17/908:40GLA - IAH

1 stop16h 35mBritish Airways

So 28/915:30IAH - GLA

1 stop11h 50mBritish Airways

Deal found 15/9£1,342

Fr 26/906:00GLA - IAH

1 stop13h 15mKLM

Mo 6/1015:30IAH - GLA

1 stop34h 40mKLM

Deal found 15/9£688

Fr 26/920:25GLA - IAH

2 stops27h 48mBritish Airways

Mo 6/1016:47IAH - GLA

2 stops15h 53mBritish Airways

Deal found 15/9£804

Di 7/1008:55GLA - IAH

1 stop34h 20mKLM

So 12/1010:50IAH - GLA

2 stops15h 20mKLM

Deal found 15/9£689

Do 16/1010:00GLA - HOU

2 stops28h 29mAmerican Airlines

Di 21/1016:41HOU - GLA

2 stops15h 59mAmerican Airlines

Deal found 16/9£3,097

Fr 17/1008:55GLA - HOU

2 stops20h 05mDelta

Mi 22/1018:44HOU - GLA

2 stops15h 26mDelta

Deal found 16/9£4,434

Fr 17/1013:30GLA - HOU

2 stops15h 30mKLM

Do 23/1010:13HOU - GLA

2 stops15h 57mKLM

Deal found 16/9£4,534

So 19/1010:30GLA - HOU

2 stops18h 30mDelta

Fr 24/1014:22HOU - GLA

2 stops19h 48mDelta

Deal found 16/9£5,380

So 19/1006:00GLA - HOU

2 stops17h 48mMultiple Airlines

Do 23/1018:44HOU - GLA

2 stops15h 26mMultiple Airlines

Deal found 16/9£7,383

One-way flights from Glasgow Intl to Houston
Search for one-way flight options from Glasgow Intl to Houston. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Fr 28/1107:00GLA - IAH

2 stops40h 29mMultiple Airlines

Deal found 15/9£460

Fr 28/1116:25GLA - HOU

3 stops37h 21mMultiple Airlines

Deal found 15/9£550

Fr 28/1106:35GLA - IAH

1 stop13h 30mBritish Airways

Deal found 15/9£609

Fr 28/1118:40GLA - HOU

2 stops35h 17mBritish Airways

Deal found 15/9£719

Fr 28/1116:05GLA - HOU

2 stops33h 45mIberia

Deal found 15/9£818

Fr 28/1111:40GLA - IAH

2 stops16h 17mIberia

Deal found 15/9£1,015

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Intl Airport to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fr 14/11

06:35-14:05

1 stop13h 30m

Houston George Bush Intcntl

So 30/11

21:50-16:40

1 stop12h 50m

£678

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mo 17/11

12:45-20:00

1 stop13h 15m

Houston George Bush Intcntl

Fr 5/12

15:50-09:35

1 stop11h 45m

£684

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mo 10/11

06:35-14:05

1 stop13h 30m

Houston George Bush Intcntl

Mo 17/11

21:45-16:35

1 stop12h 50m

£686

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fr 26/9

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

Mo 6/10

16:21-16:10

2 stops17h 49m

£689

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Di 7/10

08:55-13:15

1 stop34h 20m

Houston George Bush Intcntl

So 12/10

15:30-23:10

1 stop25h 40m

£689

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mo 17/11

06:05-13:30

1 stop13h 25m

Houston George Bush Intcntl

Fr 5/12

09:44-09:55

2 stops18h 11m

£689

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fr 20/2

06:35-14:05

1 stop13h 30m

Houston George Bush Intcntl

Di 24/2

15:50-09:50

1 stop12h 00m

£690

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Mo 10/11

06:05-23:46

2 stops23h 41m

Houston Hobby

Mo 17/11

18:53-16:35

2 stops15h 42m

£693

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fr 20/2

06:35-20:03

2 stops19h 28m

Houston Hobby

Di 24/2

18:31-15:50

2 stops15h 19m

£694

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Do 16/10

10:00-08:29

2 stops28h 29m

Houston Hobby

Di 21/10

16:41-14:40

2 stops15h 59m

£3,097

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 20 results

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

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?

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.

Reviews of airlines servicing Houston

See what other customers who have flown with KLM, Air France, andVirgin Atlantic from Glasgow Intl Airport to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Air France

7.4

Good

1,468 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

664 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,363 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

How long is the flight from Glasgow Intl Airport to Houston?
There are many flights that can get you from Glasgow Intl Airport to Houston in 13h 15m. Fly via British Airways, Delta, or American Airlines to get the fastest option. The distance between Glasgow Intl Airport and Houston is about 4560 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Glasgow Intl Airport to Houston round-trip?
According to our current data, KLM (£580), Virgin Atlantic (£615), and British Airways (£618) offers the cheapest pricing from Glasgow Intl Airport to Houston. KLM is 33% cheaper than the average price of flights available within the next 90 days to this destination.
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

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Top 4 airlines flying from Glasgow Intl to Houston

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£580	Average£818	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£615	Average£860	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£618	Average£794	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest£667	Average£962	FlexibilityNo cancel fee	On-time77%	Search Air France flights

Fly with Cheapflights

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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Cheap flights from Glasgow Intl Airport to Houston from £460

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Glasgow Intl to Houston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Glasgow Intl to Houston

Cheapest flights from Glasgow Intl to HoustonExplore 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 17 September 2025.

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 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Intl Airport to Houston that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Glasgow Intl Airport to Houston

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

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 17 September 2025.

Reviews of airlines servicing Houston

See what other customers who have flown with KLM, Air France, andVirgin Atlantic from Glasgow Intl Airport to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from Glasgow Intl Airport to Houston?

What are the cheapest airlines flying from Glasgow Intl Airport to Houston round-trip?

Can I find deals for flights from Glasgow Intl to Houston that include hotel bookings?

How can I find direct flights from Glasgow Intl to Houston?

Can I find deals for business class flights from Glasgow Intl to Houston?

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

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.

Alternative routes for Glasgow Intl to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Glasgow Intl to Houston

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Glasgow Intl to Houston?

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Houston?

Can Cheapflights find flights from Glasgow Intl to Houston with no change fees?

Can Cheapflights notify me if prices for flights from Glasgow Intl to Houston become cheaper?

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Travel Smart

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 17 September 2025.