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Cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport from £339

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
10 Jul — 17 Jul1
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 10 June 2026.

Tue 29/919:01
IAH
-
GLA
2 stops15h 44m
British Airways
Wed 14/1006:25
GLA
-
IAH
1 stop13h 00m
British Airways
Deal found 9/6£651
Sun 20/915:30
IAH
-
GLA
1 stop12h 20m
British Airways
Wed 30/919:40
GLA
-
IAH
1 stop23h 45m
British Airways
Deal found 10/6£652
Tue 29/921:05
IAH
-
GLA
1 stop16h 30m
American Airlines
Wed 14/1006:25
GLA
-
IAH
1 stop18h 55m
American Airlines
Deal found 10/6£664
Sun 13/915:30
IAH
-
GLA
1 stop12h 20m
British Airways
Thu 17/913:20
GLA
-
IAH
1 stop30h 05m
British Airways
Deal found 7/6£666
Sun 20/919:06
IAH
-
GLA
2 stops15h 44m
American Airlines
Wed 30/909:30
GLA
-
IAH
1 stop15h 45m
American Airlines
Deal found 10/6£668
Sun 13/914:50
IAH
-
GLA
1 stop13h 20m
United Airlines
Thu 17/914:00
GLA
-
IAH
2 stops16h 27m
United Airlines
Deal found 7/6£677

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 10 June 2026.

Round-trip from

£651

One-way from

£339

Popular in

December

Cheapest in

March

Average price

£872
British Airways
  • British Airways
  • 29/9-14/10
  • 3 total stops
  • 28h 44m total
  • Houston to Glasgow
Search Deals
Aer Lingus
  • Aer Lingus
  • 15/7
  • 2 total stops
  • 20h 47m total
  • Houston to Glasgow
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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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 10 June 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 13/9

15:30-09:50

1 stop12h 20m

Glasgow Intl

Thu 17/9

13:20-13:25

1 stop30h 05m

£666

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 13/9

14:50-10:10

1 stop13h 20m

Glasgow Intl

Thu 17/9

14:00-00:45

2 stops16h 45m

£677
Fastest return journey

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 29/9

15:30-10:45

1 stop13h 15m

Glasgow Intl

Sun 11/10

06:00-13:25

1 stop13h 25m

£689

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 29/9

11:55-10:10

2 stops16h 15m

Glasgow Intl

Sun 11/10

14:00-08:17

2 stops24h 17m

£714

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 1/10

21:10-16:05

1 stop12h 55m

Glasgow Intl

Sat 10/10

19:45-13:25

1 stop23h 40m

£724

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 3/8

15:25-16:15

1 stop18h 50m

Glasgow Intl

Mon 17/8

09:10-13:20

1 stop34h 10m

£730

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 3/8

21:05-19:40

1 stop16h 35m

Glasgow Intl

Mon 17/8

17:40-23:58

2 stops36h 18m

£730
Cheapest one-way

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/7

06:13-09:00

2 stops20h 47m

£339

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/7

10:57-10:10

1 stop17h 13m

£346
Fastest single journey

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/7

15:25-12:55

1 stop15h 30m

£350

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 12 resultsSorted by cheapest first
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

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

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 20m. Fly via British Airways or United 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.

  • 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.

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
Kilmarnock
Dunoon
Dumbarton
Arrochar
Clydebank
East Kilbride
Largs
Renfrew
Inveraray
Rothesay
Alexandria
Tarbert
Balloch

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Why should you use Cheapflights to find cheap flight tickets 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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