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$357+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$631
(American Airlines)

One-way from

$357
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$1,217
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 ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:30 pmIAH - GLA
1 stop12h 50mAmerican Airlines
Wed 11/55:55 amGLA - IAH
1 stop14h 15mAmerican Airlines
Deal found 6/12$631
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:57 amIAH - GLA
2 stops25h 48mBritish Airways
Thu 9/410:00 amGLA - IAH
1 stop15h 15mBritish Airways
Deal found 6/11$676
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:45 pmIAH - GLA
1 stop15h 00mFinnair
Mon 11/107:20 pmGLA - IAH
1 stop24h 50mFinnair
Deal found 6/11$679
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/262:34 pmIAH - GLA
2 stops22h 56mIberia
Sat 11/86:45 pmGLA - IAH
1 stop25h 25mIberia
Deal found 6/11$685
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:20 amIAH - GLA
3 stops25h 05mMultiple Airlines
Tue 8/269:55 pmGLA - IAH
2 stops29h 05mMultiple Airlines
Deal found 6/9$751
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:20 pmIAH - GLA
2 stops38h 00mLufthansa
Mon 9/81:10 pmGLA - IAH
2 stops39h 31mLufthansa
Deal found 6/11$756
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/313:30 pmIAH - GLA
1 stop18h 40mDelta
Wed 8/61:30 pmGLA - IAH
1 stop29h 45mDelta
Deal found 6/9$874
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/303:30 pmIAH - GLA
1 stop25h 40mKLM
Thu 8/76:00 amGLA - IAH
1 stop13h 15mKLM
Deal found 6/10$875

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 June 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

Tue 9/2

9:00 pm-4:45 pm

1 stop13h 45m

Glasgow Intl

Tue 9/9

7:00 am-7:15 pm

1 stop18h 15m

$631

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 8/27

11:57 am-7:45 pm

2 stops25h 48m

Glasgow Intl

Thu 9/4

10:00 am-7:15 pm

1 stop15h 15m

$676

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 8/27

3:30 pm-11:10 pm

1 stop25h 40m

Glasgow Intl

Thu 9/4

6:15 am-1:15 pm

1 stop13h 00m

$700

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 8/19

6:20 am-1:25 pm

3 stops25h 05m

Glasgow Intl

Tue 8/26

9:55 pm-9:00 pm

2 stops29h 05m

$751

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 9/4

4:20 pm-12:20 pm

2 stops38h 00m

Glasgow Intl

Mon 9/8

1:10 pm-10:41 pm

2 stops39h 31m

$756

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 8/1

2:29 pm-10:20 pm

2 stops25h 51m

Glasgow Intl

Wed 8/6

9:25 am-12:23 am

2 stops20h 58m

$825

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 7/31

3:30 pm-11:10 pm

1 stop25h 40m

Glasgow Intl

Thu 8/7

6:00 am-1:15 pm

1 stop13h 15m

$874

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 8/1

3:30 pm-4:10 pm

1 stop18h 40m

Glasgow Intl

Wed 8/6

6:00 am-9:48 pm

2 stops21h 48m

$884

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 7/31

6:23 pm-7:40 pm

2 stops19h 17m

Glasgow Intl

Sat 8/9

5:25 pm-5:44 pm

2 stops30h 19m

$1,156

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 8/7

3:30 pm-9:40 am

1 stop12h 10m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 13 results
1
2

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 9, 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 $1,160). 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 June 12, 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.

Rainfall in Glasgow by month

Plan your trip to Glasgow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Glasgow ranges from 1.3 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. May is typically the driest time to visit Glasgow when rainfall is around 1.3 in.

Temperature in Glasgow by month

Plan your trip to Glasgow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Glasgow, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Houston to Glasgow, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Iberia
7.0
Good
2,776 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 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 $631, American Airlines will fly you from Houston George Bush Intcntl Airport to Glasgow and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Finnair - these airlines can fly you to your destination from $676 and $679, respectively. These flights start at 27% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Glasgow one-way?

    The cheapest airlines for a one-way flight from Houston George Bush Intcntl Airport to Glasgow are British Airways ($357), Lufthansa ($396), and American Airlines ($501).

  • 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 $1,160). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$600Average$847FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$626Average$838FlexibilityNo cancel feeOn-time71%
KLMCheapest$631Average$1,215FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$697Average$1,083FlexibilityNo cancel feeOn-time69%
DeltaCheapest$758Average$1,231FlexibilityNo cancel feeOn-timeN/A

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