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$345+ Cheap flights from George Bush Intcntl (IAH) to Glasgow

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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Glasgow

Cheapest flights from George Bush Intcntl to Glasgow
Explore the most affordable flight options available from George Bush Intcntl to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:30 pmIAH - GLA
2 stops14h 35mMultiple Airlines
Fri 12/266:35 amGLA - IAH
1 stop13h 30mMultiple Airlines
Deal found 12/10$1,770
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:50 pmIAH - GLA
1 stop12h 00mBritish Airways
Fri 12/266:35 amGLA - IAH
1 stop13h 30mBritish Airways
Deal found 12/10$2,372
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/113:50 pmIAH - GLA
1 stop11h 40mMultiple Airlines
Wed 12/178:40 amGLA - IAH
2 stops16h 45mMultiple Airlines
Deal found 12/10$2,728
This Cheapflightsfares deal was found by Cheapflights users on 12/9. 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.
Wed 12/104:30 pmIAH - GLA
1 stop13h 35mMultiple Airlines
Tue 12/166:25 amGLA - IAH
1 stop13h 40mMultiple Airlines
Deal found 12/9$17,107

Find flight deals from George Bush Intcntl to Glasgow

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Glasgow (GG1). 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 December 12, 2025.

Round-trip from

$593
(Gotogate)

One-way from

$345
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$967
From Houston George Bush Intcntl to Glasgow
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One-way flight from Houston George Bush Intcntl to Glasgow
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Highest demand for flights based on searches. 14% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Glasgow 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 December 12, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Glasgow that are best for you.

Fly from

George Bush Intcntl

Fly to

Glasgow

Route

Depart

Return

Price

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 1/14

3:50 pm-2:15 pm

1 stop16h 25m

Glasgow Intl

Fri 1/23

6:35 am-2:05 pm

1 stop13h 30m

$624

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 1/27

6:10 pm-3:50 pm

2 stops15h 40m

Glasgow Intl

Tue 2/3

6:25 am-2:05 pm

1 stop13h 40m

$642

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 1/16

3:50 pm-9:35 am

1 stop11h 45m

Glasgow Intl

Wed 1/21

8:25 pm-2:05 pm

1 stop23h 40m

$669

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 2/1

3:50 pm-10:45 am

1 stop12h 55m

Glasgow Intl

Sun 2/22

6:35 am-2:05 pm

1 stop13h 30m

$669

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 4/14

11:49 am-3:15 pm

2 stops21h 26m

$345

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 1/27

3:50 pm-10:45 am

1 stop12h 55m

$347

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 4/14

3:35 pm-4:40 pm

1 stop19h 05m

$391

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 1/8

6:55 pm-11:10 pm

1 stop22h 15m

$415

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 1/8

3:30 pm-9:55 am

1 stop12h 25m

$453

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 1/8

12:49 pm-9:55 am

2 stops15h 06m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 results
1
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Best time to book a flight from George Bush Intcntl to Glasgow

Have a flexible travel schedule? Discover the best time to fly to Glasgow 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

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

Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow (average of $578). Flying from Houston George Bush Intcntl Airport to Glasgow in June is currently the most expensive (average of $882). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from Houston George Bush Intcntl Airport to Glasgow by exploring options for tickets in the evening.

Reviews of airlines servicing Glasgow

Get insights into the airlines that provide service to Glasgow. 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. Reviews last updated December 12, 2025.
Peruse reviews from past customers who have flown with British Airways from Houston George Bush Intcntl Airport to Glasgow to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,571 reviews

Entertainment

6.4

Crew

7.6

Boarding

6.9

Overall

6.7

Food

6.4

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews

Entertainment

6.4

Crew

7.6

Boarding

6.9

Overall

6.7

Food

6.4

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

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

    For as low as $624, British Airways can have you in Glasgow from Houston George Bush Intcntl Airport in 16h 25m. The distance from Houston George Bush Intcntl Airport to Glasgow is about 4560 mi.

  • What is the cheapest airline to fly from Houston George Bush Intcntl Airport to Glasgow round-trip?

    Currently priced at $600, British Airways will fly you from Houston George Bush Intcntl Airport to Glasgow and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. This flight start at 27% lower than the current average price 3 months from now.

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

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

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

    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.

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

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

    Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow (average of $578). Flying from Houston George Bush Intcntl Airport to Glasgow in June is currently the most expensive (average of $882). 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

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Top 5 airlines flying from George Bush Intcntl to Glasgow

Discover the top 5 airlines that operate flights from George Bush Intcntl to Glasgow. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$600Average$843FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$723Average$874FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$734Average$1,071FlexibilityNo cancel feeOn-time69%
KLMCheapest$886Average$1,192FlexibilityNo cancel feeOn-time75%
DeltaCheapest$886Average$1,294FlexibilityNo cancel feeOn-timeN/A

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