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$260+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap 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 July 3, 2025.

Round-trip from

$625
(Justfly.com)

One-way from

$260
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,114
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. 20% potential increase in price ($215 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 3, 2025.

This Justfly.com deal was found by Cheapflights users on 7/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:30 pmIAH - GLA
1 stop12h 50mBritish Airways
Wed 11/55:55 amGLA - IAH
1 stop14h 15mBritish Airways
Deal found 7/1$625
This Iberia deal was found by Cheapflights users on 7/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:45 pmIAH - GLA
1 stop12h 50mIberia
Wed 12/37:20 pmGLA - IAH
1 stop24h 50mIberia
Deal found 7/2$634
This American Airlines deal was found by Cheapflights users on 7/1. 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 10/72:32 pmIAH - GLA
2 stops15h 38mAmerican Airlines
Tue 10/218:45 amGLA - IAH
1 stop16h 30mAmerican Airlines
Deal found 7/1$639
This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:50 pmIAH - GLA
2 stops22h 15mLufthansa
Wed 11/512:40 pmGLA - IAH
2 stops36h 03mLufthansa
Deal found 7/1$716
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:00 pmIAH - GLA
3 stops33h 25mMultiple Airlines
Wed 9/249:15 pmGLA - IAH
2 stops29h 47mMultiple Airlines
Deal found 7/2$732

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 July 3, 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 10/15

3:30 pm-10:20 am

1 stop12h 50m

Glasgow Intl

Wed 11/5

5:55 am-2:10 pm

1 stop14h 15m

$625

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

7:20 pm-2:10 pm

1 stop24h 50m

$634

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 10/7

2:32 pm-12:10 pm

2 stops15h 38m

Glasgow Intl

Tue 10/21

8:45 am-7:15 pm

1 stop16h 30m

$639

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 10/15

6:50 pm-11:05 pm

2 stops22h 15m

Glasgow Intl

Wed 11/5

12:40 pm-6:43 pm

2 stops36h 03m

$716

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 9/1

10:00 pm-1:25 pm

3 stops33h 25m

Glasgow Intl

Wed 9/24

9:15 pm-9:02 pm

2 stops29h 47m

$732

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sat 8/2

8:56 pm-10:15 am

2 stops55h 19m

$260

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 8/7

3:30 pm-9:40 am

1 stop12h 10m

$361

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 7/24

3:35 pm-12:25 pm

1 stop14h 50m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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

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

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Glasgow. Price data was last updated on June 27, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Glasgow is 16 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 Houston George Bush Intcntl Airport to Glasgow?

Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow (average of $664). Flying from Houston George Bush Intcntl Airport to Glasgow in June is currently the most expensive (average of $1,154). 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 July 3, 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 by exploring options for tickets at noon.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Glasgow?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Glasgow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Glasgow flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 3, 2025.
Peruse reviews from past customers who have flown with American Airlines, Iberia, and Lufthansa 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.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Entertainment

6.9

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

Overall

7.2

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Entertainment

6.9

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
Iberia
7.0
Good
2,820 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Entertainment

6.9

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
Lufthansa
6.8
Okay
7,207 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Entertainment

6.9

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
6.6
Okay
7,093 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Entertainment

6.9

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. 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 Houston George Bush Intcntl Airport to Glasgow round-trip?

    Currently priced at $625, 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. Search Cheapflights for deals from Iberia and American Airlines - these airlines can fly you to your destination from $634 and $639, respectively. These flights 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow (average of $664). Flying from Houston George Bush Intcntl Airport to Glasgow in June is currently the most expensive (average of $1,154). 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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$600Average$854FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$626Average$917FlexibilityNo cancel feeOn-time71%
KLMCheapest$631Average$1,215FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$712Average$1,085FlexibilityNo cancel feeOn-time69%
DeltaCheapest$737Average$1,231FlexibilityNo cancel feeOn-timeN/A

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