HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Glasgow Intl

$376+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Glasgow Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$673
(oojo)

One-way from

$376
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$704
Provider with most accurate pricing for Houston George Bush Intcntl-Glasgow Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Glasgow Intl flights.
Search Deals
From Houston George Bush Intcntl to Glasgow Intl
Search Deals
One-way flight from Houston George Bush Intcntl to Glasgow Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($236 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 11/249:45 pmIAH - GLA
1 stop12h 50mAmerican Airlines
Wed 12/35:55 amGLA - IAH
1 stop14h 15mAmerican Airlines
Deal found 4/29$587
This Iberia deal was found by Cheapflights users on 4/29. 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 stop14h 30mIberia
Wed 12/311:35 amGLA - IAH
2 stops16h 21mIberia
Deal found 4/29$597
This oojo deal was found by Cheapflights users on 4/29. 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.
Wed 8/279:00 pmIAH - GLA
1 stop16h 45mBritish Airways
Tue 9/165:50 amGLA - IAH
1 stop13h 50mBritish Airways
Deal found 4/29$673
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 8/2710:45 amIAH - GLA
2 stops20h 15mDelta
Tue 9/166:00 amGLA - IAH
1 stop13h 15mDelta
Deal found 4/29$701
This Mytrip deal was found by Cheapflights users on 4/29. 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 8/269:23 amIAH - GLA
2 stops22h 02mMultiple Airlines
Sat 9/67:35 amGLA - IAH
3 stops31h 08mMultiple Airlines
Deal found 4/29$821
This KLM deal was found by Cheapflights users on 4/29. 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.
Fri 5/163:30 pmIAH - GLA
1 stop25h 40mKLM
Tue 5/278:55 amGLA - IAH
1 stop34h 20mKLM
Deal found 4/29$1,157

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 April 29, 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

Wed 8/27

9:00 pm-7:45 pm

1 stop16h 45m

Glasgow Intl

Tue 9/16

5:50 am-1:40 pm

1 stop13h 50m

$673

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 9/19

9:00 pm-6:55 pm

1 stop15h 55m

Glasgow Intl

Tue 9/30

5:50 am-1:40 pm

1 stop13h 50m

$676

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 8/27

10:45 am-1:00 pm

2 stops20h 15m

Glasgow Intl

Tue 9/16

6:00 am-1:15 pm

1 stop13h 15m

$701

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 8/26

9:23 am-1:25 pm

2 stops22h 02m

Glasgow Intl

Sat 9/6

7:35 am-8:43 am

3 stops31h 08m

$821

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 5/16

3:30 pm-11:10 pm

1 stop25h 40m

Glasgow Intl

Tue 5/27

8:55 am-1:15 pm

1 stop34h 20m

$1,157

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sat 7/26

3:30 pm-9:20 am

1 stop11h 50m

$376

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 9/3

5:05 pm-11:05 pm

2 stops24h 00m

$416

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 10/14

11:35 am-8:05 am

2 stops14h 30m

$550

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 7/6

12:05 pm-9:20 am

2 stops15h 15m

$1,224

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Houston George Bush Intcntl Airport-Glasgow Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 25, 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of $664). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport 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 Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 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 Intl Airport by exploring options for tickets at noon.

Rainfall in Glasgow Intl by month

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

In terms of precipitation, rainfall in Glasgow Intl Airport 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 Intl Airport when rainfall is around 1.3 in.

Temperature in Glasgow Intl by month

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

If weather is an important factor for your trip to Glasgow Intl Airport, 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 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 April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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.
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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.
Lufthansa
6.7
Okay
7,044 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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 Intl. 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 Intl Airport round-trip?

    According to our current data, British Airways ($673), American Airlines ($676), and Delta ($701) offers the cheapest pricing from Houston George Bush Intcntl Airport to Glasgow Intl Airport. British Airways is currently priced 23% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $376 on British Airways. Other airlines that offer cheap prices include Lufthansa from $416 and Aer Lingus from $550 one-way.

  • 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of $664). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport 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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Paisley
Dunoon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 5 airlines flying from George Bush Intcntl to Glasgow Intl

Discover the top 5 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$592Average$727FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$601Average$888FlexibilityNo cancel feeOn-time70%
KLMCheapest$631Average$1,217FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$704Average$1,072FlexibilityNo cancel feeOn-time71%
DeltaCheapest$762Average$1,064FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.