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Cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport from £259

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
13 Jan — 20 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from George Bush Intcntl to Glasgow Intl

Enter your travel dates to find the best prices.

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 14 December 2025.

Fri 12/1215:30IAH - GLA
1 stop12h 25mKLM
Sun 14/1217:20GLA - IAH
1 stop26h 10mKLM
Deal found 12/12£758
Fri 26/1215:50IAH - GLA
1 stop11h 45mBritish Airways
Tue 6/119:10GLA - IAH
2 stops33h 14mBritish Airways
Deal found 12/12£1,127
Sun 14/1206:16IAH - GLA
2 stops19h 34mAer Lingus
Mon 15/1220:10GLA - IAH
2 stops29h 46mAer Lingus
Deal found 13/12£1,203
Sun 14/1216:05IAH - GLA
2 stops14h 40mKLM
Mon 15/1217:20GLA - IAH
1 stop26h 10mKLM
Deal found 13/12£1,253
Fri 26/1211:00IAH - GLA
2 stops22h 50mMultiple Airlines
Tue 6/106:00GLA - IAH
3 stops32h 25mMultiple Airlines
Deal found 12/12£1,275
Fri 26/1215:50IAH - GLA
1 stop11h 45mMultiple Airlines
Wed 7/108:40GLA - IAH
2 stops16h 38mMultiple Airlines
Deal found 12/12£1,586

Find 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 14 December 2025.

Round-trip from

£465

One-way from

£259

Popular in

July

Cheapest in

April

Average price

£723
British Airways
  • British Airways
  • 14/1-23/1
  • 2 total stops
  • 29h 55m total
  • Houston to Glasgow
Search Deals
British Airways
  • British Airways
  • 27/1
  • 1 total stop
  • 12h 55m total
  • Houston to Glasgow
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£78 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 14 December 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 14/1

15:50-14:15

1 stop16h 25m

Glasgow Intl

Fri 23/1

06:35-14:05

1 stop13h 30m

£465

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 21/1

15:50-12:50

1 stop15h 00m

Glasgow Intl

Thu 29/1

05:55-14:05

1 stop14h 10m

£483

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 16/1

15:50-10:45

1 stop12h 55m

Glasgow Intl

Wed 21/1

20:25-14:05

1 stop23h 40m

£500

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 19/3

16:50-09:30

1 stop11h 40m

Glasgow Intl

Thu 26/3

06:35-15:05

1 stop13h 30m

£500

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 30/1

15:50-10:45

1 stop12h 55m

Glasgow Intl

Tue 3/2

17:45-14:05

1 stop26h 20m

£520

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 27/1

15:50-10:45

1 stop12h 55m

£259

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 8/1

18:55-23:10

1 stop22h 15m

£310

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 8/1

12:49-09:55

2 stops15h 06m

£339

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 8/1

12:49-09:55

2 stops15h 06m

£341

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 18/5

15:30-10:05

1 stop12h 35m

£416

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 11 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of £432). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in June is currently the most expensive (average of £659). 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 14 December 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
7,575 reviews
Check prices

Entertainment

6.4

Overall

6.7

Comfort

6.7

Crew

7.6

Boarding

6.9

Food

6.4

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
7,575 reviews
British Airways
6.7
Okay
7,575 reviews
Check prices

Entertainment

6.4

Overall

6.7

Comfort

6.7

Crew

7.6

Boarding

6.9

Food

6.4

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 16h 25m. 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 £489, 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 20% 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport (average of £432). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in June is currently the most expensive (average of £659). 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
Renfrew
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Largs
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 14 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£489Average£687FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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How does Cheapflights help users find flights from George Bush Intcntl to Glasgow Intl?

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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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