Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow Intl Airport to Houston from £649

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

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 8 January 2026.

Round-trip from

£649

Popular in

June

Cheapest in

August

Average price

£816
British Airways
  • British Airways
  • 5/3-21/3
  • 2 total stops
  • 29h 00m total
  • Glasgow to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 8 January 2026.

Thu 5/309:55GLA - IAH
1 stop16h 05mBritish Airways
Sat 21/316:50IAH - GLA
1 stop12h 55mBritish Airways
Deal found 5/1£649
Tue 3/210:50GLA - IAH
2 stops17h 59mBritish Airways
Tue 24/213:16IAH - GLA
2 stops14h 34mBritish Airways
Deal found 7/1£657
Fri 6/210:40GLA - IAH
1 stop33h 25mBritish Airways
Mon 9/208:00IAH - GLA
2 stops20h 45mBritish Airways
Deal found 6/1£672
Thu 5/311:30GLA - HOU
2 stops18h 28mBritish Airways
Sat 21/316:20HOU - GLA
2 stops19h 50mBritish Airways
Deal found 5/1£680
Tue 3/211:40GLA - HOU
2 stops17h 06mBritish Airways
Tue 24/212:18HOU - GLA
2 stops16h 27mBritish Airways
Deal found 7/1£687
Wed 8/406:00GLA - IAH
1 stop13h 15mKLM
Thu 30/415:20IAH - GLA
1 stop15h 35mKLM
Deal found 6/1£725
Wed 8/406:00GLA - IAH
1 stop13h 15mDelta
Thu 30/405:20IAH - GLA
2 stops21h 05mDelta
Deal found 6/1£726
Tue 3/214:00GLA - IAH
1 stop30h 05mMultiple Airlines
Tue 24/215:50IAH - GLA
1 stop12h 55mMultiple Airlines
Deal found 7/1£755
Fri 3/409:30GLA - HOU
2 stops16h 20mBritish Airways
Tue 14/416:19HOU - GLA
2 stops18h 26mBritish Airways
Deal found 6/1£795
Fri 27/306:35GLA - HOU
2 stops18h 15mBritish Airways
Sat 11/412:42HOU - GLA
2 stops14h 38mBritish Airways
Deal found 7/1£1,281
Tue 9/609:15GLA - HOU
2 stops16h 37mBritish Airways
Tue 30/616:15HOU - GLA
2 stops16h 25mBritish Airways
Deal found 7/1£1,304
Tue 16/619:15GLA - HOU
2 stops30h 37mIberia
Sat 27/618:23HOU - GLA
2 stops16h 32mIberia
Deal found 6/1£1,604

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 8 January 2026.
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

Thu 5/3

09:55-20:00

1 stop16h 05m

Houston George Bush Intcntl

Sat 21/3

16:50-10:45

1 stop12h 55m

£649

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 3/2

10:50-22:49

2 stops17h 59m

Houston George Bush Intcntl

Tue 24/2

13:16-09:50

2 stops14h 34m

£657

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 6/2

10:40-14:05

1 stop33h 25m

Houston George Bush Intcntl

Mon 9/2

08:00-10:45

2 stops20h 45m

£672

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Thu 5/3

11:30-23:58

2 stops18h 28m

Houston Hobby

Sat 21/3

16:20-17:10

2 stops19h 50m

£680

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Tue 3/2

11:40-22:46

2 stops17h 06m

Houston Hobby

Tue 24/2

12:18-10:45

2 stops16h 27m

£687

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 8/4

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

Thu 30/4

15:20-12:55

1 stop15h 35m

£725

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 8/4

06:00-13:15

1 stop13h 15m

Houston George Bush Intcntl

Thu 30/4

05:20-08:25

2 stops21h 05m

£726

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fri 3/4

09:30-19:50

2 stops16h 20m

Houston Hobby

Tue 14/4

16:19-16:45

2 stops18h 26m

£795

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Fri 27/3

06:35-19:50

2 stops18h 15m

Houston Hobby

Sat 11/4

12:42-09:20

2 stops14h 38m

£1,281

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Tue 9/6

09:15-19:52

2 stops16h 37m

Houston Hobby

Tue 30/6

16:15-14:40

2 stops16h 25m

£1,304

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 17 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

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 £517). Flying from Glasgow Intl Airport to Houston in January is currently the most expensive (average of £755). 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.

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 8 January 2026.
See what other customers who have flown with KLM, Virgin Atlantic, andBritish Airways 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
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,657 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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?

    There are many flights that can get you from Glasgow Intl Airport to Houston in 16h 05m. Fly via British Airways to get the fastest option. The distance between Glasgow Intl Airport and Houston is about 4560 mi.

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

    According to our current data, KLM (£586), British Airways (£617), and Virgin Atlantic (£622) offers the cheapest pricing from Glasgow Intl Airport to Houston. KLM is 26% 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 £517). Flying from Glasgow Intl Airport to Houston in January is currently the most expensive (average of £755). 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 3 airlines flying from Glasgow Intl to Houston

Discover the top 3 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 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£586Average£835FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£617Average£801FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£622Average£888FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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?

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.