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$651+ Cheap flights from George Bush Intcntl (IAH) to Glasgow

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$701
(oojo)

One-way from

$659
(Iberia)

Popular in

July

Cheapest in

November

Average price

$762
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. 23% potential increase in price ($274 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Finnair deal was found by Cheapflights users on 3/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:45 pmIAH - GLA
1 stop12h 50mFinnair
Wed 12/37:20 pmGLA - IAH
1 stop24h 50mFinnair
Deal found 3/26$651
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:55 pmIAH - GLA
1 stop12h 45mBritish Airways
Wed 12/38:20 pmGLA - IAH
1 stop23h 50mBritish Airways
Deal found 3/27$652
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 9/196:32 pmIAH - GLA
2 stops16h 08mAmerican Airlines
Tue 9/305:50 amGLA - IAH
1 stop13h 50mAmerican Airlines
Deal found 3/27$715
This Finnair deal was found by Cheapflights users on 3/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/29:00 pmIAH - GLA
1 stop13h 45mMultiple Airlines
Fri 9/195:50 amGLA - IAH
1 stop13h 50mMultiple Airlines
Deal found 3/27$777
This KLM deal was found by Cheapflights users on 3/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/313:30 pmIAH - GLA
1 stop18h 40mKLM
Fri 4/46:00 amGLA - IAH
1 stop13h 15mKLM
Deal found 3/25$787
This Justfly.com deal was found by Cheapflights users on 3/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/193:35 pmIAH - GLA
1 stop14h 45mLufthansa
Sun 4/275:55 amGLA - IAH
1 stop13h 40mLufthansa
Deal found 3/25$927
This FlightHub deal was found by Cheapflights users on 3/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:25 amIAH - GLA
2 stops20h 25mAer Lingus
Sat 4/268:35 amGLA - IAH
2 stops20h 50mAer Lingus
Deal found 3/25$972
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/272:30 pmIAH - GLA
2 stops19h 40mDelta
Mon 6/28:55 amGLA - IAH
1 stop34h 20mDelta
Deal found 3/26$1,080
This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/289:00 pmIAH - GLA
1 stop12h 35mIberia
Thu 6/511:30 amGLA - IAH
1 stop13h 45mIberia
Deal found 3/26$2,419
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/251:30 pmIAH - GLA
2 stops17h 55mIcelandair
Thu 6/52:20 pmGLA - IAH
2 stops28h 08mIcelandair
Deal found 3/25$3,737

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 March 28, 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 4/16

9:00 pm-3:35 pm

1 stop12h 35m

Glasgow Intl

Sun 4/20

10:05 am-7:15 pm

1 stop15h 10m

$701

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 9/19

3:30 pm-6:55 pm

1 stop21h 25m

Glasgow Intl

Tue 9/30

9:20 pm-1:45 pm

1 stop22h 25m

$710

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 9/19

6:32 pm-4:40 pm

2 stops16h 08m

Glasgow Intl

Tue 9/30

5:50 am-1:40 pm

1 stop13h 50m

$715

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 9/2

9:00 pm-4:45 pm

1 stop13h 45m

Glasgow Intl

Fri 9/19

5:50 am-1:40 pm

1 stop13h 50m

$777

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sat 4/19

3:35 pm-12:20 pm

1 stop14h 45m

Glasgow Intl

Sun 4/27

5:55 am-1:35 pm

1 stop13h 40m

$927

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sat 4/19

6:25 am-8:50 am

2 stops20h 25m

Glasgow Intl

Sat 4/26

8:35 am-11:25 pm

2 stops20h 50m

$972

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 5/27

2:30 pm-4:10 pm

2 stops19h 40m

Glasgow Intl

Mon 6/2

8:55 am-1:15 pm

1 stop34h 20m

$1,080

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 6/27

3:30 pm-4:10 pm

1 stop18h 40m

Glasgow Intl

Wed 8/13

1:30 pm-1:15 pm

1 stop29h 45m

$1,110

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 5/28

9:00 pm-3:35 pm

1 stop12h 35m

Glasgow Intl

Thu 6/5

11:30 am-7:15 pm

1 stop13h 45m

$2,419

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 5/25

1:30 pm-1:25 pm

2 stops17h 55m

Glasgow Intl

Thu 6/5

2:20 pm-12:28 pm

2 stops28h 08m

$3,737

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 12 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 March 21, 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 $1,183). 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 March 28, 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 March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Icelandair
7.0
Good
476 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $701, 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 Finnair and American Airlines - these airlines can fly you to your destination from $710 and $715, respectively. These flights start at 21% 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 $1,183). 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 6 airlines flying from George Bush Intcntl to Glasgow

Discover the top 6 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$592Average$861FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$601Average$900FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$664Average$964FlexibilityNo cancel feeOn-time71%
KLMCheapest$716Average$1,162FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$738Average$1,199FlexibilityNo cancel feeOn-time69%
DeltaCheapest$758Average$1,140FlexibilityNo cancel feeOn-timeN/A
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