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Cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport from £327

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
7 Sep — 14 Sep1
1 adult

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Glasgow Intl are usually found in October or April, booked 16 days in advance, depart on a Monday or Tuesday and return on a Monday

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 2 September 2025.

Round-trip from

£415

One-way from

£327

Popular in

June

Cheapest in

October

Average price

£581
British Airways
  • British Airways
  • 24/11-3/12
  • 2 total stops
  • 36h 30m total
  • Houston to Glasgow
Search Deals
British Airways
  • British Airways
  • 1/10
  • 1 total stop
  • 12h 35m total
  • Houston to Glasgow
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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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 2 September 2025.

Mon 24/1121:45IAH - GLA
1 stop12h 50mBritish Airways
Wed 3/1220:25GLA - IAH
1 stop23h 40mBritish Airways
Deal found 2/9£415
Wed 15/1015:30IAH - GLA
1 stop34h 20mBritish Airways
Wed 5/1105:55GLA - IAH
1 stop14h 10mBritish Airways
Deal found 2/9£423
Wed 15/1021:00IAH - GLA
1 stop28h 50mBritish Airways
Mon 20/1020:50GLA - IAH
1 stop22h 55mBritish Airways
Deal found 1/9£424
Tue 25/1117:45IAH - GLA
2 stops16h 05mAmerican Airlines
Wed 3/1205:55GLA - IAH
2 stops20h 14mAmerican Airlines
Deal found 2/9£426
Sun 26/1022:50IAH - GLA
1 stop15h 35mBritish Airways
Sat 8/1109:35GLA - IAH
1 stop16h 25mBritish Airways
Deal found 2/9£451
Sun 26/1022:50IAH - GLA
1 stop13h 45mBritish Airways
Sun 9/1112:50GLA - IAH
2 stops16h 42mBritish Airways
Deal found 2/9£461
Sun 26/1014:23IAH - GLA
2 stops15h 22mAmerican Airlines
Sun 9/1106:35GLA - IAH
2 stops16h 41mAmerican Airlines
Deal found 2/9£463

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 2 September 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

Mon 24/11

21:45-16:35

1 stop12h 50m

Glasgow Intl

Wed 3/12

20:25-14:05

1 stop23h 40m

£415

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

21:00-23:15

1 stop20h 15m

Glasgow Intl

Wed 5/11

20:25-14:05

1 stop23h 40m

£423

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

21:00-07:50

1 stop28h 50m

Glasgow Intl

Mon 20/10

20:50-13:45

1 stop22h 55m

£424

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

21:00-23:15

1 stop20h 15m

Glasgow Intl

Thu 30/10

05:55-15:05

1 stop14h 10m

£424

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 25/11

17:45-15:50

2 stops16h 05m

Glasgow Intl

Wed 3/12

05:55-20:09

2 stops20h 14m

£426

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 25/11

11:18-09:50

2 stops16h 32m

Glasgow Intl

Wed 3/12

20:25-14:05

1 stop23h 40m

£429

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 1/10

21:00-15:35

1 stop12h 35m

£327

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 5/10

15:30-09:20

1 stop11h 50m

£327

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 25/12

15:50-19:40

1 stop21h 50m

£427

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 7/10

15:30-09:40

1 stop12h 10m

£701

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 12 results
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2

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 return 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 return flight from George Bush Intcntl to Glasgow Intl. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of £97). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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.

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 2 September 2025.
Check out reviews from past customers who have flown with British Airways from Houston George Bush Intcntl Airport to Glasgow Intl Airport 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
7,344 reviews
Check prices

Boarding

6.9

Crew

7.6

Entertainment

6.4

Food

6.3

Comfort

6.7

Overall

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
7,344 reviews
British Airways
6.7
Okay
7,344 reviews
Check prices

Boarding

6.9

Crew

7.6

Entertainment

6.4

Food

6.3

Comfort

6.7

Overall

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 Intl. 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 Intl Airport?

    There are many flights that can get you from Houston George Bush Intcntl Airport to Glasgow Intl Airport in 12h 50m. Fly via British Airways to get the fastest option. The distance between Houston George Bush Intcntl Airport and Glasgow Intl Airport is about 4560 mi.

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

    Currently priced at £453, British Airways will fly you from Houston George Bush Intcntl Airport to Glasgow Intl Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. British Airways is priced at 26% lower than the current average price of a flight leaving 3 months from now.

  • 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 holiday 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, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of £97). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Dunoon
Largs
Renfrew
Kilmarnock
Dumbarton
Clydebank
East Kilbride
Arrochar
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

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Top airline flying from George Bush Intcntl to Glasgow Intl

Discover the top airline 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 858,174 searches. Data last updated 2 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£453Average£625FlexibilityNo cancel feeOn-time70%
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Can Cheapflights find flights from George Bush Intcntl to Glasgow Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from George Bush Intcntl to Glasgow Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from George Bush Intcntl to Glasgow Intl become cheaper?

Yes, Cheapflights offers price alerts on George Bush Intcntl to Glasgow Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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