Find flights
When to book
Airlines
FAQs

Cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport from £263

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Glasgow Intl are usually found in October or April, booked 16 days in advance, depart on a Monday or Tuesday and return on a Monday

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 June 2025.

Round-trip from

£464

One-way from

£263

Popular in

June

Cheapest in

October

Average price

£896
American Airlines
  • American Airlines
  • 15/10-5/11
  • 2 total stops
  • 27h 05m total
  • Houston to Glasgow
Search Deals
British Airways
  • British Airways
  • 7/8
  • 1 total stop
  • 12h 10m total
  • Houston to Glasgow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£120 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 13 June 2025.

Wed 15/1015:30IAH - GLA
1 stop13h 55mAmerican Airlines
Wed 5/1105:55GLA - IAH
1 stop14h 15mAmerican Airlines
Deal found 13/6£464
Wed 27/811:57IAH - GLA
2 stops25h 48mBritish Airways
Thu 4/910:00GLA - IAH
1 stop15h 15mBritish Airways
Deal found 11/6£497
Thu 30/1022:45IAH - GLA
1 stop15h 00mFinnair
Mon 10/1119:20GLA - IAH
1 stop24h 50mFinnair
Deal found 11/6£500
Sun 26/1014:34IAH - GLA
2 stops22h 56mIberia
Sun 9/1119:35GLA - IAH
1 stop24h 35mIberia
Deal found 13/6£504
Thu 4/916:20IAH - GLA
2 stops38h 00mLufthansa
Mon 8/913:10GLA - IAH
2 stops39h 31mLufthansa
Deal found 11/6£556
Wed 27/816:36IAH - GLA
2 stops20h 04mMultiple Airlines
Thu 4/913:55GLA - IAH
2 stops15h 25mMultiple Airlines
Deal found 11/6£618
Sat 21/615:30IAH - GLA
1 stop12h 15mKLM
Mon 30/613:30GLA - IAH
1 stop29h 45mKLM
Deal found 12/6£824
Tue 7/1011:50IAH - GLA
2 stops22h 20mDelta
Mon 22/1206:05GLA - IAH
2 stops17h 13mDelta
Deal found 12/6£3,075

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 June 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 15/10

15:30-10:20

1 stop12h 50m

Glasgow Intl

Wed 5/11

05:55-14:10

1 stop14h 15m

£464

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 27/8

11:57-19:45

2 stops25h 48m

Glasgow Intl

Thu 4/9

10:00-19:15

1 stop15h 15m

£497

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 30/10

22:45-18:45

1 stop15h 00m

Glasgow Intl

Mon 10/11

19:20-14:10

1 stop24h 50m

£500

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 26/10

14:34-18:30

2 stops22h 56m

Glasgow Intl

Sat 8/11

18:45-14:10

1 stop25h 25m

£504

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 4/9

16:20-12:20

2 stops38h 00m

Glasgow Intl

Mon 8/9

13:10-22:41

2 stops39h 31m

£556

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 27/8

16:36-18:40

2 stops20h 04m

Glasgow Intl

Thu 4/9

13:55-23:20

2 stops15h 25m

£618

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 7/10

11:50-16:10

2 stops22h 20m

Glasgow Intl

Mon 22/12

06:05-17:18

2 stops17h 13m

£3,075

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 7/8

15:30-09:40

1 stop12h 10m

£263

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 3/9

18:50-23:05

2 stops22h 15m

£291

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 29/6

05:00-08:10

2 stops45h 10m

£303

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

Use this chart to determine the optimal time to book a return flight from George Bush Intcntl to Glasgow Intl. Price data was last updated on 9 June 2025.

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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.

Rainfall in Glasgow Intl by month

Plan your trip to Glasgow Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

Temperature in Glasgow Intl by month

Plan your trip to Glasgow Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Glasgow Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 June 2025.
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,776 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,139 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport round-trip?

    Currently priced at £464, American Airlines will fly you from Houston George Bush Intcntl Airport to Glasgow Intl Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Finnair - these airlines can fly you to your destination from £497 and £500, respectively. American Airlines is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Glasgow Intl Airport one-way?

    One-way options have recently been found by users for as low as £263 on British Airways. Other airlines that offer cheap prices include Lufthansa from £291 and American Airlines from £369 one-way.

  • 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Paisley
Dunoon
Largs
Renfrew
Kilmarnock
East Kilbride
Dumbarton
Arrochar
Inveraray
Ballachulish
Rothesay
Clydebank
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 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£451Average£623FlexibilityNo 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.
Site
©2025 Cheapflights