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Cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport from £256

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
30 Mar — 6 Apr1
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 28 February 2026.

Sun 19/415:30
IAH
-
GLA
1 stop12h 20m
British Airways
Wed 29/419:40
GLA
-
IAH
1 stop23h 45m
British Airways
Deal found 26/2£489
Mon 3/821:05
IAH
-
GLA
1 stop15h 35m
British Airways
Thu 20/807:00
GLA
-
IAH
1 stop18h 20m
British Airways
Deal found 24/2£494
Mon 3/815:25
IAH
-
GLA
2 stops18h 50m
Delta
Thu 20/813:30
GLA
-
IAH
1 stop29h 45m
Delta
Deal found 24/2£504
Wed 5/815:20
IAH
-
GLA
1 stop18h 55m
Delta
Wed 19/806:00
GLA
-
IAH
2 stops18h 52m
Delta
Deal found 24/2£508
Mon 9/1115:50
IAH
-
GLA
1 stop12h 55m
British Airways
Wed 9/1220:25
GLA
-
IAH
1 stop23h 40m
British Airways
Deal found 28/2£509
Mon 3/807:15
IAH
-
GLA
2 stops27h 00m
Delta
Wed 19/806:00
GLA
-
IAH
2 stops18h 52m
Delta
Deal found 24/2£511
Wed 11/1113:15
IAH
-
GLA
2 stops15h 30m
British Airways
Wed 9/1205:55
GLA
-
IAH
1 stop14h 10m
British Airways
Deal found 28/2£513
Sun 29/315:20
IAH
-
GLA
1 stop18h 50m
Virgin Atlantic
Mon 13/416:55
GLA
-
IAH
1 stop26h 20m
Virgin Atlantic
Deal found 27/2£515

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 28 February 2026.

Round-trip from

£489

One-way from

£256

Popular in

June

Cheapest in

April

Average price

£542
British Airways
  • British Airways
  • 19/4-29/4
  • 2 total stops
  • 36h 05m total
  • Houston to Glasgow
Search Deals
KLM
  • KLM
  • 15/7
  • 1 total stop
  • 25h 50m total
  • Houston to Glasgow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£100 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 28 February 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

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 9/8

15:30-10:30

1 stop13h 00m

Glasgow Intl

Fri 21/8

05:50-13:25

1 stop13h 35m

£494

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 3/8

21:05-18:40

1 stop15h 35m

Glasgow Intl

Fri 21/8

05:50-13:25

1 stop13h 35m

£494

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 19/4

21:05-17:40

1 stop14h 35m

Glasgow Intl

Wed 29/4

10:50-23:49

2 stops18h 59m

£502

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 7/8

15:30-09:35

1 stop12h 05m

Glasgow Intl

Tue 18/8

19:30-13:25

1 stop23h 55m

£531

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 7/8

15:30-09:35

1 stop12h 05m

Glasgow Intl

Thu 20/8

09:40-19:20

1 stop15h 40m

£531

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 4/5

10:00-08:50

2 stops16h 50m

Glasgow Intl

Fri 8/5

09:25-00:59

2 stops21h 34m

£553

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/4

11:36-08:25

2 stops14h 49m

Glasgow Intl

Mon 27/4

16:55-13:15

1 stop26h 20m

£592

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 4/5

07:00-08:25

2 stops19h 25m

Glasgow Intl

Fri 8/5

06:00-17:50

2 stops17h 50m

£645

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/4

07:00-08:45

2 stops19h 45m

Glasgow Intl

Mon 27/4

06:40-11:11

3 stops34h 31m

£659

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 4/5

21:05-17:40

1 stop14h 35m

Glasgow Intl

Fri 8/5

09:30-19:15

1 stop15h 45m

£1,036

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 14 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

What’s the top stopover airport for flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

Share of one-stop return flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Amsterdam (AMS) – chosen by Cheapflights users on 67% of one-stop itineraries from Houston George Bush Intcntl Airport to Glasgow Intl Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

Average return fare for one-stop flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

London (LHR) is the most affordable one-stop option, with an average return flight price of £579.

What’s the fastest stopover option from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

Shortest average travel time for one-stop one-way flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via London (LHR) have the shortest average one-way travel time for one-stop routes: 12h 37m.

Which airport typically offers the quickest stopover for flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

Average stopover duration for one-stop one-way flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 2h 18m.

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 28 February 2026.
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
7,772 reviews
Check prices

Entertainment

6.4

Boarding

6.9

Food

6.4

Crew

7.6

Overall

6.7

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.
British Airways
6.7
Okay
7,772 reviews
British Airways
6.7
Okay
7,772 reviews
Check prices

Entertainment

6.4

Boarding

6.9

Food

6.4

Crew

7.6

Overall

6.7

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.

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 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 £485, 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 21% 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.

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

Browse thousands of different options on Cheapflights for your next trip

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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 28 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£485Average£697FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from George Bush Intcntl to Glasgow Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Glasgow Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from George Bush Intcntl to Glasgow Intl for you. Better yet — we are completely free to use.

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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