HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Glasgow Intl

$299+ Cheap flights from George Bush Intcntl (IAH) to Glasgow Intl (GLA)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Glasgow Intl 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 George Bush Intcntl to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Glasgow Intl (GLA). 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 September 11, 2025.

Round-trip from

$574
(British Airways)

One-way from

$299
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$787
From Houston George Bush Intcntl to Glasgow Intl
Search Deals
One-way flight from Houston George Bush Intcntl to Glasgow Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from George Bush Intcntl to Glasgow Intl

Cheapest flights from George Bush Intcntl to Glasgow Intl
Explore the most affordable flight options available from George Bush Intcntl to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This British Airways deal was found by Cheapflights users on 9/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:45 pmIAH - GLA
1 stop12h 50mBritish Airways
Wed 12/39:45 amGLA - IAH
2 stops17h 43mBritish Airways
Deal found 9/10$574
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:10 pmIAH - GLA
2 stops15h 40mAmerican Airlines
Wed 12/311:40 amGLA - IAH
2 stops18h 29mAmerican Airlines
Deal found 9/10$577
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:55 amIAH - GLA
2 stops19h 15mBritish Airways
Tue 10/2810:50 amGLA - IAH
2 stops31h 45mBritish Airways
Deal found 9/10$587
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:50 pmIAH - GLA
1 stop15h 15mBritish Airways
Tue 11/119:50 amGLA - IAH
2 stops17h 40mBritish Airways
Deal found 9/11$618
This lol.travel deal was found by Cheapflights users on 9/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/213:30 pmIAH - GLA
1 stop15h 30mVirgin Atlantic
Mon 10/64:55 pmGLA - IAH
1 stop26h 20mVirgin Atlantic
Deal found 9/11$621
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:45 pmIAH - GLA
2 stops15h 25mAmerican Airlines
Tue 11/116:25 amGLA - IAH
2 stops18h 59mAmerican Airlines
Deal found 9/11$625
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:12 pmIAH - GLA
2 stops16h 28mAmerican Airlines
Sat 11/86:35 amGLA - IAH
2 stops16h 45mAmerican Airlines
Deal found 9/10$627
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/213:30 pmIAH - GLA
1 stop22h 20mAmerican Airlines
Mon 10/610:35 amGLA - IAH
2 stops18h 40mAmerican Airlines
Deal found 9/11$631
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:01 pmIAH - GLA
2 stops15h 09mAmerican Airlines
Tue 10/215:50 amGLA - IAH
1 stop13h 55mAmerican Airlines
Deal found 9/11$632
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:23 pmIAH - GLA
2 stops20h 07mMultiple Airlines
Mon 10/68:50 pmGLA - IAH
2 stops28h 13mMultiple Airlines
Deal found 9/11$633

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Glasgow Intl 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 September 11, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport that are best for you.

Fly from

George Bush Intcntl

Fly to

Glasgow Intl

Route

Depart

Return

Price

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 11/24

9:45 pm-4:35 pm

1 stop12h 50m

Glasgow Intl

Wed 12/3

9:45 am-9:28 pm

2 stops17h 43m

$574

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 11/25

12:10 pm-10:45 am

2 stops16h 35m

Glasgow Intl

Wed 12/3

10:55 am-12:09 am

2 stops19h 14m

$577

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 11/24

12:10 pm-10:45 am

2 stops16h 35m

Glasgow Intl

Wed 12/3

10:55 am-12:09 am

2 stops19h 14m

$577

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 9/21

3:30 pm-1:00 pm

1 stop15h 30m

Glasgow Intl

Mon 10/6

4:55 pm-1:15 pm

1 stop26h 20m

$621

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 10/26

2:23 pm-10:45 am

2 stops15h 22m

Glasgow Intl

Sun 11/9

12:50 pm-11:51 pm

2 stops17h 01m

$627

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 10/26

7:12 pm-4:40 pm

2 stops16h 28m

Glasgow Intl

Sat 11/8

6:35 am-5:20 pm

2 stops16h 45m

$627

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 10/7

3:01 pm-12:10 pm

2 stops15h 09m

Glasgow Intl

Tue 10/21

5:50 am-1:45 pm

1 stop13h 55m

$632

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 9/21

7:23 pm-9:30 pm

2 stops20h 07m

Glasgow Intl

Mon 10/6

8:50 pm-7:03 pm

2 stops28h 13m

$633

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 10/15

3:30 pm-10:20 am

1 stop12h 50m

Glasgow Intl

Wed 11/5

9:45 am-9:30 pm

2 stops17h 45m

$639

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 11/20

6:20 pm-6:55 am

3 stops54h 35m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 17 results
1
2

Best time to book a flight from George Bush Intcntl to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from George Bush Intcntl 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 Houston George Bush Intcntl Airport to Glasgow Intl Airport

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Glasgow Intl. Price data was last updated on August 29, 2025.

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of $664). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in June is currently the most expensive (average of $1,150). 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 IAH to GLA?

Find hourly flight availability from George Bush Intcntl to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 15% on flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport by exploring options for tickets at noon.

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. 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 Glasgow Intl. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport, such as American Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
British Airways
6.7
Okay
7,361 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Glasgow Intl. 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 Houston George Bush Intcntl Airport to Glasgow Intl Airport?

    A quick flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport can take about 12h 50m. British Airways provides one of the quickest options available for as low as $574. The distance between Houston George Bush Intcntl Airport and Glasgow Intl Airport is about 4560 mi. This flight may include one or multiple stops.

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

    According to our current data, British Airways ($600), and American Airlines ($626) offers the cheapest pricing from Houston George Bush Intcntl Airport to Glasgow Intl Airport. British Airways is currently priced 27% below the average price you’ll pay for this route.

  • Can I find deals for flights from George Bush Intcntl to Glasgow Intl that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Glasgow Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Glasgow Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Glasgow Intl.

  • Can I find deals for business class flights from George Bush Intcntl to Glasgow Intl?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Glasgow Intl 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 Houston George Bush Intcntl Airport to Glasgow Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of $664). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in June is currently the most expensive (average of $1,150). 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

Traveling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley

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 George Bush Intcntl to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Glasgow Intl flights

Top 2 airlines flying from George Bush Intcntl to Glasgow Intl

Discover the top 2 airlines that operate flights from George Bush Intcntl to Glasgow Intl. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$600Average$794FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$626Average$914FlexibilityNo cancel feeOn-time71%

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.