HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$647+ Cheap flights from Glasgow Intl (GLA) to Houston

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Glasgow Intl to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$849
(Expedia)

One-way from

$647
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$1,112
From Glasgow Intl to Houston
Search Deals
One-way flight from Glasgow Intl to Houston
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:40 pmGLA - IAH
1 stop13h 20mBritish Airways
Mon 11/173:55 pmIAH - GLA
1 stop11h 55mBritish Airways
Deal found 6/10$849
This TravelUp deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:05 amGLA - IAH
1 stop34h 25mAir France
Mon 11/173:40 pmIAH - GLA
2 stops18h 55mAir France
Deal found 6/10$912
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amGLA - IAH
1 stop13h 15mDelta
Sun 9/2812:55 pmIAH - GLA
2 stops21h 15mDelta
Deal found 6/11$934
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:35 amGLA - HOU
2 stops19h 31mBritish Airways
Mon 11/1712:25 pmHOU - GLA
2 stops15h 25mBritish Airways
Deal found 6/12$973
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:25 pmGLA - IAH
3 stops40h 54mMultiple Airlines
Mon 11/175:00 amIAH - GLA
3 stops32h 40mMultiple Airlines
Deal found 6/10$1,001
This Icelandair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:35 pmGLA - HOU
2 stops17h 15mMultiple Airlines
Mon 11/1711:15 amHOU - GLA
3 stops16h 40mMultiple Airlines
Deal found 6/10$1,191
This ChecknFly deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/236:00 amGLA - IAH
1 stop13h 15mVirgin Atlantic
Tue 8/53:30 pmIAH - GLA
1 stop15h 30mVirgin Atlantic
Deal found 6/10$1,275
This KLM deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/236:00 amGLA - IAH
1 stop13h 15mKLM
Tue 8/510:50 amIAH - GLA
2 stops15h 35mKLM
Deal found 6/11$1,311
This World Air Fares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2712:05 pmGLA - HOU
2 stops17h 45mFinnair
Sun 8/36:30 pmHOU - GLA
2 stops18h 15mFinnair
Deal found 6/12$1,402

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 12, 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

Mon 11/10

12:40 pm-8:00 pm

1 stop13h 20m

Houston George Bush Intcntl

Mon 11/17

3:55 pm-9:50 am

1 stop11h 55m

$849

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 11/10

9:05 am-1:30 pm

1 stop34h 25m

Houston George Bush Intcntl

Mon 11/17

3:40 pm-4:35 pm

2 stops18h 55m

$912

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 9/17

6:00 am-1:15 pm

1 stop13h 15m

Houston George Bush Intcntl

Sun 9/28

12:55 pm-4:10 pm

2 stops21h 15m

$934

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Mon 11/10

6:35 am-8:06 pm

2 stops19h 31m

Houston Hobby

Mon 11/17

12:25 pm-9:50 am

2 stops15h 25m

$973

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 11/10

1:25 pm-12:19 am

3 stops40h 54m

Houston George Bush Intcntl

Mon 11/17

5:00 am-7:40 pm

3 stops32h 40m

$1,001

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Mon 11/10

12:35 pm-11:50 pm

2 stops17h 15m

Houston Hobby

Mon 11/17

11:15 am-9:55 am

3 stops16h 40m

$1,191

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 7/23

6:00 am-1:15 pm

1 stop13h 15m

Houston George Bush Intcntl

Tue 8/5

3:30 pm-1:00 pm

1 stop15h 30m

$1,275

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 7/23

6:00 am-1:15 pm

1 stop13h 15m

Houston George Bush Intcntl

Tue 8/5

10:50 am-8:25 am

2 stops15h 35m

$1,311

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Sun 7/27

12:05 pm-11:50 pm

2 stops17h 45m

Houston Hobby

Sun 8/3

6:30 pm-6:45 pm

2 stops18h 15m

$1,402

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 8/5

10:35 pm-10:42 pm

2 stops30h 07m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 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 round-trip 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 round-trip flight from Glasgow Intl to Houston. Price data was last updated on June 9, 2025.

The best time to book flights from Glasgow Intl Airport to Houston is 50 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, September is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of $230). Flying from Glasgow Intl Airport to Houston in March is currently the most expensive (average of $332). 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.

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 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    British Airways, at $849, was found to be the cheapest airline from Glasgow Intl Airport to Houston.Alternate airlines to your destination round-trip include Air France and Delta. Users have found that British Airways is 29% cheaper than the other options available 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 British Airways. According to our data, you can fly for as low as $1,076. Users have also found prices from $1,221 and $2,408 on Lufthansa and American Airlines, 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 vacation 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, September is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of $230). Flying from Glasgow Intl Airport to Houston in March is currently the most expensive (average of $332). 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.

Alternative routes for Glasgow Intl to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Glasgow Intl to Dallas/Fort Worth flights
Glasgow Intl to Love Field flights
Glasgow Intl to Hobby flights
Glasgow Intl to Austin flights
Glasgow Intl to George Bush Intcntl flights

Top airline flying from Glasgow Intl to Houston

Discover the top airline 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$844Average$1,165FlexibilityNo cancel feeOn-time70%

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.