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Glasgow Intl

$281+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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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 October 27, 2025.

This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/243:30 pmIAH - GLA
1 stop19h 05mDelta
Wed 12/31:25 pmGLA - IAH
1 stop30h 05mDelta
Deal found 10/25$610
This Flysmarter deal was found by Cheapflights users on 10/27. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:30 pmIAH - GLA
1 stop24h 40mKLM
Mon 11/171:25 pmGLA - IAH
1 stop30h 05mKLM
Deal found 10/27$616
This KLM deal was found by Cheapflights users on 10/26. 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.
Mon 11/246:40 pmIAH - GLA
2 stops15h 55mKLM
Wed 12/36:05 amGLA - IAH
2 stops18h 14mKLM
Deal found 10/26$624
This Air France deal was found by Cheapflights users on 10/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/243:30 pmIAH - GLA
1 stop19h 05mMultiple Airlines
Wed 12/35:20 pmGLA - IAH
1 stop26h 10mMultiple Airlines
Deal found 10/26$630
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/246:28 pmIAH - GLA
2 stops16h 07mAmerican Airlines
Wed 12/35:55 amGLA - IAH
2 stops20h 42mAmerican Airlines
Deal found 10/27$649
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:30 pmIAH - GLA
1 stop13h 35mLufthansa
Thu 12/412:50 pmGLA - IAH
2 stops39h 57mLufthansa
Deal found 10/25$650
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:36 pmIAH - GLA
2 stops22h 34mLufthansa
Thu 12/412:50 pmGLA - IAH
2 stops36h 05mLufthansa
Deal found 10/25$655
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:36 pmIAH - GLA
2 stops22h 34mLufthansa
Wed 12/312:50 pmGLA - IAH
1 stop31h 45mLufthansa
Deal found 10/25$659
This Delta deal was found by Cheapflights users on 10/25. 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.
Sun 10/264:30 pmIAH - GLA
1 stop19h 05mDelta
Sun 11/96:05 amGLA - IAH
1 stop13h 25mDelta
Deal found 10/25$660

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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$610
(Delta)

One-way from

$281
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$679
Provider with most accurate pricing for Houston George Bush Intcntl-Glasgow Intl flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Glasgow Intl flights.
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From Houston George Bush Intcntl to Glasgow Intl
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One-way flight from Houston George Bush Intcntl to Glasgow Intl
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Highest demand for flights based on searches. 20% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 27, 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

Tue 11/25

3:30 pm-4:35 pm

1 stop19h 05m

Glasgow Intl

Wed 12/3

9:05 am-1:30 pm

1 stop34h 25m

$610

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 11/25

3:30 pm-4:35 pm

1 stop19h 05m

Glasgow Intl

Thu 12/4

9:05 am-1:30 pm

1 stop34h 25m

$610

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 11/24

3:30 pm-4:35 pm

1 stop19h 05m

Glasgow Intl

Wed 12/3

1:25 pm-1:30 pm

1 stop30h 05m

$610

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 11/25

3:30 pm-4:35 pm

1 stop19h 05m

Glasgow Intl

Tue 12/2

9:05 am-1:30 pm

1 stop34h 25m

$610

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 11/24

3:30 pm-4:35 pm

1 stop19h 05m

Glasgow Intl

Tue 12/2

9:05 am-1:30 pm

1 stop34h 25m

$610

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 12/2

3:54 pm-8:15 am

3 stops58h 21m

$281

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 12/3

8:07 pm-9:00 am

2 stops54h 53m

$314

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 12/1

5:45 pm-4:35 pm

2 stops16h 50m

$370

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 12/3

3:30 pm-12:45 pm

1 stop15h 15m

$381

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 12/2

3:30 pm-10:10 pm

1 stop24h 40m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 12 results
1
2

Compare providers for flights from George Bush Intcntl to Glasgow Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Glasgow Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Glasgow Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Glasgow Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Glasgow Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Glasgow Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Glasgow Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of $578). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in June is currently the most expensive (average of $978). 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 October 27, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 14% on flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport by exploring options for tickets at noon.

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

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 October 27, 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
11,031 reviews

Comfort

7.2

Overall

7.2

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.4

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
11,031 reviews
American Airlines
7.2
Good
11,031 reviews

Comfort

7.2

Overall

7.2

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.4

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
7,476 reviews
American Airlines
7.2
Good
11,031 reviews

Comfort

7.2

Overall

7.2

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.4

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 19h 05m. Delta provides one of the quickest options available for as low as $610. The distance between Houston George Bush Intcntl Airport and Glasgow Intl Airport is about 4560 mi.

  • 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 26% 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of $578). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in June is currently the most expensive (average of $978). 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

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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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$600Average$815FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$626Average$914FlexibilityNo cancel feeOn-time71%

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