Cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport from £179

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

£422

One-way from

£179

Popular in

June

Cheapest in

October

Average price

£574
British Airways
  • British Airways
  • 24/11-3/12
  • 3 total stops
  • 30h 33m total
  • Houston to Glasgow
4/10
  • 4/10
  • 2 total stops
  • 52h 17m total
  • Houston to Glasgow
Highest demand for flights based on searches. 20% potential increase in price (£114 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in September 2025

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 17 September 2025.

Mon 24/1121:45IAH - GLA
1 stop12h 50mBritish Airways
Wed 3/1209:45GLA - IAH
2 stops17h 43mBritish Airways
Deal found 15/9£422
Mon 24/1116:32IAH - GLA
2 stops14h 33mAmerican Airlines
Wed 3/1205:55GLA - IAH
2 stops20h 01mAmerican Airlines
Deal found 15/9£423
Sun 26/1019:12IAH - GLA
2 stops16h 28mAmerican Airlines
Sat 8/1110:30GLA - IAH
2 stops17h 58mAmerican Airlines
Deal found 15/9£460
Tue 25/1115:50IAH - GLA
1 stop15h 15mMultiple Airlines
Wed 3/1220:25GLA - IAH
1 stop23h 40mMultiple Airlines
Deal found 17/9£461
Tue 25/1115:50IAH - GLA
1 stop12h 55mAmerican Airlines
Wed 3/1205:55GLA - IAH
2 stops20h 01mAmerican Airlines
Deal found 15/9£468
Wed 15/1021:00IAH - GLA
1 stop16h 45mBritish Airways
Wed 5/1108:40GLA - IAH
2 stops18h 50mBritish Airways
Deal found 15/9£469
Wed 15/1021:00IAH - GLA
1 stop16h 45mBritish Airways
Mon 20/1020:50GLA - IAH
2 stops32h 53mBritish Airways
Deal found 15/9£478
Wed 15/1015:30IAH - GLA
1 stop25h 40mKLM
Wed 5/1109:05GLA - IAH
1 stop34h 25mKLM
Deal found 15/9£481

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 17 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

09:45-21:28

2 stops17h 43m

£422

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 24/11

15:50-09:50

1 stop12h 00m

Glasgow Intl

Wed 3/12

11:40-00:59

2 stops19h 19m

£422

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 28/10

18:23-15:50

2 stops16h 27m

Glasgow Intl

Wed 3/12

05:55-20:37

2 stops20h 42m

£423

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 25/11

12:10-10:45

2 stops16h 35m

Glasgow Intl

Wed 3/12

05:55-19:56

2 stops20h 01m

£423

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 24/11

12:10-10:45

2 stops16h 35m

Glasgow Intl

Wed 3/12

05:55-19:56

2 stops20h 01m

£423

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 26/10

19:12-16:40

2 stops16h 28m

Glasgow Intl

Sun 9/11

11:40-23:51

2 stops18h 11m

£460

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sat 4/10

12:58-23:15

2 stops52h 17m

£179

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sat 4/10

15:30-23:10

1 stop25h 40m

£298

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 19/10

15:30-09:20

1 stop11h 50m

£359

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 8/10

13:18-10:20

2 stops15h 02m

£397

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 12 results
1
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

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.

How much does it cost for a return flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

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 17 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.

Food

6.3

Comfort

6.7

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

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.

Food

6.3

Comfort

6.7

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

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 or American Airlines to get the fastest option. The distance between Houston George Bush Intcntl Airport and Glasgow Intl Airport is about 4560 mi. This flight may include one or multiple stops.

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

    Currently priced at £450, 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 25% 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£450Average£621FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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