Find flights
When to book
Airlines
FAQs

Cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport from £238

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 13 November 2025.

Tue 2/1207:10IAH - GLA
2 stops30h 30mMultiple Airlines
Thu 11/1221:25GLA - IAH
2 stops30h 19mMultiple Airlines
Deal found 11/11£426
Tue 2/1215:30IAH - GLA
1 stop19h 05mVirgin Atlantic
Thu 11/1206:05GLA - IAH
1 stop13h 25mVirgin Atlantic
Deal found 11/11£449
Mon 24/1115:30IAH - GLA
1 stop19h 05mDelta
Wed 3/1206:05GLA - IAH
1 stop13h 25mDelta
Deal found 11/11£462
Mon 24/1115:30IAH - GLA
1 stop24h 40mKLM
Wed 3/1213:25GLA - IAH
1 stop30h 05mKLM
Deal found 12/11£463
Wed 12/1116:30IAH - GLA
1 stop13h 35mLufthansa
Tue 18/1106:00GLA - IAH
1 stop14h 35mLufthansa
Deal found 11/11£464
Sun 16/1116:30IAH - GLA
1 stop13h 35mLufthansa
Tue 18/1106:00GLA - IAH
2 stops17h 02mLufthansa
Deal found 12/11£495

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 13 November 2025.

Round-trip from

£426

One-way from

£238

Popular in

June

Cheapest in

April

Average price

£654
2/12-11/12
  • 2/12-11/12
  • 4 total stops
  • 60h 49m total
  • Houston to Glasgow
Search Deals
10/1
  • 10/1
  • 3 total stops
  • 56h 23m total
  • Houston to Glasgow
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£118 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 13 November 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

Tue 25/11

15:30-16:35

1 stop19h 05m

Glasgow Intl

Wed 3/12

06:05-13:30

1 stop13h 25m

£462

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 1/12

15:30-22:10

1 stop24h 40m

Glasgow Intl

Thu 11/12

09:05-13:30

1 stop34h 25m

£462

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 24/11

15:30-16:35

1 stop19h 05m

Glasgow Intl

Wed 3/12

06:05-13:30

1 stop13h 25m

£462

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 24/11

15:30-16:35

1 stop19h 05m

Glasgow Intl

Wed 3/12

17:20-13:30

1 stop26h 10m

£462

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 25/11

15:30-16:35

1 stop19h 05m

Glasgow Intl

Wed 3/12

17:20-13:30

1 stop26h 10m

£462

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 2/12

15:10-12:45

2 stops15h 35m

Glasgow Intl

Thu 11/12

09:05-13:30

1 stop34h 25m

£463

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sat 10/1

20:17-10:40

3 stops56h 23m

£238

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 31/12

18:20-07:50

2 stops55h 30m

£268

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 10/5

15:30-09:20

1 stop11h 50m

£269

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 4/5

15:30-10:05

1 stop12h 35m

£269

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 16 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 £440). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in June is currently the most expensive (average of £717). 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 13 November 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
7,515 reviews
Check prices

Boarding

6.9

Overall

6.7

Comfort

6.7

Crew

7.6

Food

6.3

Entertainment

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
7,515 reviews
British Airways
6.7
Okay
7,515 reviews
Check prices

Boarding

6.9

Overall

6.7

Comfort

6.7

Crew

7.6

Food

6.3

Entertainment

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 19h 05m. Fly via Delta or KLM 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 £498, 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.

  • 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 £440). Flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport in June is currently the most expensive (average of £717). 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
Arrochar
Clydebank
East Kilbride
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£498Average£700FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.