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 16h 27m. Fly via American Airlines or Delta to get the fastest option. The distance between Glasgow Intl Airport and Houston is about 4576 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 (£593), Virgin Atlantic (£629), and British Airways (£633) offers the cheapest pricing from Glasgow Intl Airport to Houston. KLM is 31% cheaper than the average price of flights available within the next 90 days to this destination.

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 British Airways, KLM or Air France 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.

£386+ Cheap Flights from Glasgow Intl Airport to Houston

Find flight deals from Glasgow Intl to Houston

Enter your travel dates to find the best prices.

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 28 October 2025.

Sun 23/1120:50GLA - IAH

3 stops28h 15mMultiple Airlines

Sat 29/1115:30IAH - GLA

1 stop15h 15mMultiple Airlines

Deal found 26/10£658

Tue 11/1106:25GLA - IAH

1 stop13h 40mBritish Airways

Tue 18/1113:15IAH - GLA

2 stops15h 30mBritish Airways

Deal found 27/10£887

Mon 10/1111:35GLA - IAH

2 stops16h 53mBritish Airways

Mon 17/1113:15IAH - GLA

2 stops14h 35mBritish Airways

Deal found 27/10£894

Mon 10/1106:10GLA - IAH

1 stop18h 05mLufthansa

Mon 17/1116:30IAH - GLA

1 stop13h 25mLufthansa

Deal found 26/10£897

Wed 12/1105:55GLA - IAH

1 stop14h 10mBritish Airways

Tue 18/1106:00IAH - GLA

2 stops22h 45mBritish Airways

Deal found 27/10£905

Mon 17/1111:35GLA - IAH

1 stop14h 25mBritish Airways

Fri 5/1215:50IAH - GLA

1 stop11h 45mBritish Airways

Deal found 26/10£908

Mon 10/1106:35GLA - HOU

2 stops17h 19mAmerican Airlines

Mon 17/1112:15HOU - GLA

2 stops15h 35mAmerican Airlines

Deal found 26/10£913

Mon 17/1120:25GLA - IAH

1 stop23h 40mIberia

Fri 5/1214:23IAH - GLA

2 stops21h 37mIberia

Deal found 26/10£914

Thu 11/1206:35GLA - HOU

2 stops19h 12mMultiple Airlines

Thu 18/1210:13HOU - GLA

2 stops20h 52mMultiple Airlines

Deal found 27/10£1,023

Fri 12/1210:40GLA - HOU

2 stops27h 52mMultiple Airlines

Fri 19/1212:09HOU - GLA

2 stops17h 21mMultiple Airlines

Deal found 27/10£1,457

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 28 October 2025.

Sun 23/1120:50GLA - IAH

3 stops28h 15mMultiple Airlines

Sat 29/1115:30IAH - GLA

1 stop15h 15mMultiple Airlines

Deal found 26/10£658

Mon 10/1112:45GLA - IAH

1 stop13h 15mBritish Airways

Mon 17/1108:05IAH - GLA

2 stops19h 45mBritish Airways

Deal found 26/10£887

Fri 20/208:55GLA - HOU

2 stops16h 59mAmerican Airlines

Tue 24/216:22HOU - GLA

2 stops14h 43mAmerican Airlines

Deal found 27/10£905

Fri 20/206:05GLA - HOU

2 stops16h 27mDelta

Tue 24/210:05HOU - GLA

2 stops16h 25mDelta

Deal found 25/10£933

Thu 1/107:15GLA - IAH

2 stops22h 44mMultiple Airlines

Sun 11/107:00IAH - GLA

2 stops31h 05mMultiple Airlines

Deal found 26/10£738

Wed 12/1105:55GLA - IAH

1 stop14h 10mBritish Airways

Tue 18/1113:15IAH - GLA

2 stops14h 35mBritish Airways

Deal found 26/10£887

Mon 10/1106:35GLA - HOU

2 stops17h 19mAmerican Airlines

Mon 17/1112:15HOU - GLA

2 stops15h 35mAmerican Airlines

Deal found 26/10£913

Tue 27/117:20GLA - HOU

2 stops35h 15mMultiple Airlines

Sat 7/205:35HOU - GLA

2 stops22h 20mMultiple Airlines

Deal found 27/10£848

Tue 11/1106:25GLA - IAH

1 stop13h 40mBritish Airways

Tue 18/1113:15IAH - GLA

2 stops15h 30mBritish Airways

Deal found 27/10£887

Thu 11/1206:35GLA - HOU

2 stops19h 12mMultiple Airlines

Thu 18/1210:13HOU - GLA

2 stops20h 52mMultiple Airlines

Deal found 27/10£1,023

Thu 1/106:35GLA - HOU

2 stops23h 11mBritish Airways

Sun 11/116:55HOU - GLA

2 stops17h 45mBritish Airways

Deal found 26/10£1,061

Fri 12/1210:40GLA - HOU

2 stops27h 52mMultiple Airlines

Fri 19/1212:09HOU - GLA

2 stops17h 21mMultiple Airlines

Deal found 27/10£1,457

Last-minute flights from Glasgow Intl to Houston
Discover last-minute flight deals from Glasgow Intl to Houston. Data last updated 28 October 2025 and is based on user searches.

Mon 10/1106:35GLA - IAH

2 stops17h 01mBritish Airways

Mon 17/1113:15IAH - GLA

2 stops14h 35mBritish Airways

Deal found 26/10£894

Mon 10/1106:10GLA - IAH

1 stop18h 05mLufthansa

Mon 17/1116:30IAH - GLA

1 stop13h 25mLufthansa

Deal found 26/10£897

Mon 10/1106:35GLA - HOU

2 stops17h 19mAmerican Airlines

Mon 17/1112:15HOU - GLA

2 stops15h 35mAmerican Airlines

Deal found 26/10£913

Tue 11/1106:25GLA - IAH

1 stop13h 40mBritish Airways

Tue 18/1113:15IAH - GLA

2 stops15h 30mBritish Airways

Deal found 27/10£887

Wed 12/1105:55GLA - IAH

1 stop14h 10mBritish Airways

Tue 18/1106:00IAH - GLA

2 stops22h 45mBritish Airways

Deal found 27/10£905

Mon 17/1111:35GLA - IAH

1 stop14h 25mBritish Airways

Fri 5/1215:50IAH - GLA

1 stop11h 45mBritish Airways

Deal found 27/10£908

Mon 17/1119:15GLA - IAH

1 stop24h 50mIberia

Fri 5/1214:23IAH - GLA

2 stops21h 37mIberia

Deal found 27/10£914

Sun 23/1120:50GLA - IAH

3 stops28h 15mMultiple Airlines

Sat 29/1115:30IAH - GLA

1 stop15h 15mMultiple Airlines

Deal found 26/10£658

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 28 October 2025.

Tue 16/1208:25GLA - IAH

3 stops45h 24mMultiple Airlines

Deal found 26/10£386

Sat 21/322:30GLA - IAH

3 stops49h 10mMultiple Airlines

Deal found 26/10£452

Tue 16/1218:35GLA - HOU

3 stops44h 59mMultiple Airlines

Deal found 26/10£648

Tue 16/1206:25GLA - IAH

1 stop13h 40mBritish Airways

Deal found 27/10£657

Tue 16/1207:25GLA - HOU

2 stops18h 53mBritish Airways

Deal found 27/10£672

Sat 21/309:35GLA - IAH

1 stop16h 25mBritish Airways

Deal found 26/10£710

Fri 21/1106:35GLA - IAH

1 stop13h 30mMultiple Airlines

Deal found 26/10£920

Fri 21/1111:40GLA - IAH

2 stops16h 17mIberia

Deal found 26/10£929

Cheap flight deals from Glasgow Intl to Houston

Round-trip from	£658
One-way from	£386
Popular in	December
Cheapest in	February
Average price	£831

Virgin Atlantic
23/11-29/11
4 total stops
43h 30m total
Glasgow to Houston

Search Deals

16/12
3 total stops
45h 24m total
Glasgow to Houston

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£66 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

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

Sun 23/11

20:50-19:05

3 stops28h 15m

Houston George Bush Intcntl

Sat 29/11

15:30-12:45

1 stop15h 15m

£658

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 1/1

07:15-23:59

2 stops22h 44m

Houston George Bush Intcntl

Sun 11/1

07:00-20:05

2 stops31h 05m

£738

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Tue 27/1

17:20-22:35

2 stops35h 15m

Houston Hobby

Sat 7/2

05:35-09:55

2 stops22h 20m

£848

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 10/11

12:45-20:00

1 stop13h 15m

Houston George Bush Intcntl

Mon 17/11

08:05-09:50

2 stops19h 45m

£887

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 12/11

05:55-14:05

1 stop14h 10m

Houston George Bush Intcntl

Tue 18/11

13:15-09:50

2 stops14h 35m

£887

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 11/11

06:25-14:05

1 stop13h 40m

Houston George Bush Intcntl

Tue 18/11

13:15-10:45

2 stops15h 30m

£887

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fri 20/2

08:55-19:54

2 stops16h 59m

Houston Hobby

Tue 24/2

16:22-13:05

2 stops14h 43m

£905

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Mon 10/11

06:35-17:54

2 stops17h 19m

Houston Hobby

Mon 17/11

12:15-09:50

2 stops15h 35m

£913

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fri 20/2

06:05-16:32

2 stops16h 27m

Houston Hobby

Tue 24/2

10:05-08:30

2 stops16h 25m

£933

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Thu 11/12

06:35-19:47

2 stops19h 12m

Houston Hobby

Thu 18/12

10:13-13:05

2 stops20h 52m

£1,023

Flights are sorted by cheapest return flights first.

Deals found on 26/10

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, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £524). Flying from Glasgow Intl Airport to Houston in December is currently the most expensive (average of £780). 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 in the evening, when flights are generally more expensive, you can save up to 23% 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, Virgin Atlantic, andAir France 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

7.7

Good

1,406 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

KLM

7.7

Good

1,406 reviews

KLM

7.7

Good

1,406 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Virgin Atlantic

7.5

Good

670 reviews

KLM

7.7

Good

1,406 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Air France

7.4

Good

1,481 reviews

KLM

7.7

Good

1,406 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

British Airways

6.7

Okay

7,479 reviews

KLM

7.7

Good

1,406 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 16h 27m. Fly via American Airlines or Delta to get the fastest option. The distance between Glasgow Intl Airport and Houston is about 4576 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 (£593), Virgin Atlantic (£629), and British Airways (£633) offers the cheapest pricing from Glasgow Intl Airport to Houston. KLM is 31% 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, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £524). Flying from Glasgow Intl Airport to Houston in December is currently the most expensive (average of £780). 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

Alternative routes for Glasgow Intl to Houston

Glasgow Intl to Hobby flights

Glasgow Intl to Dallas/Fort Worth flights

Glasgow Intl to George Bush Intcntl flights

Glasgow Intl to Austin flights

Glasgow Intl to Love Field flights

Glasgow Intl to San Antonio flights

Glasgow Intl to Tyler flights

Complete your trip

Houston car hire

Houston Hobby Airport car hire

Houston George Bush Intcntl Airport car hire

College Station Easterwood Field Airport car hire

Beaumont Jefferson County Airport car hire

Top 4 airlines flying from Glasgow Intl to Houston

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£593	Average£848	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£629	Average£898	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£633	Average£808	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest£718	Average£1,036	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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Glasgow Intl Airport to Houston from £386

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.

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 28 October 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 28 October 2025.

Cheap flight deals from Glasgow Intl to Houston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 28 October 2025.

Reviews of airlines servicing Houston

See what other customers who have flown with KLM, Virgin Atlantic, andAir France 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?

100% Free

Book with Flexibility

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 28 October 2025.