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Cheap flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport from £443

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GLA
7 Apr — 14 Apr1
1 adult

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Glasgow Intl are usually found in November or October, 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 2 April 2025.

Round-trip from

£510

One-way from

£443

Popular in

July

Cheapest in

November

Average price

£613
Finnair
  • Finnair
  • 19/9-30/9
  • 2 total stops
  • 45h 15m total
  • Houston to Glasgow
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British Airways
  • British Airways
  • 3/9
  • 1 total stop
  • 15h 40m total
  • Houston to Glasgow
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£165 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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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 2 April 2025.

Mon 24/1115:55IAH - GLA
1 stop13h 05mFinnair
Wed 3/1219:20GLA - IAH
1 stop24h 50mFinnair
Deal found 2/4£476
Tue 25/1115:55IAH - GLA
1 stop11h 55mBritish Airways
Wed 3/1219:20GLA - IAH
1 stop24h 50mBritish Airways
Deal found 2/4£487
Sun 12/1018:33IAH - GLA
2 stops16h 07mAmerican Airlines
Sat 18/1005:50GLA - IAH
1 stop13h 50mAmerican Airlines
Deal found 2/4£525
Fri 25/415:30IAH - GLA
1 stop25h 40mAir France
Wed 30/406:00GLA - IAH
1 stop13h 15mAir France
Deal found 2/4£537
Thu 24/409:30IAH - GLA
3 stops32h 00mMultiple Airlines
Mon 28/409:20GLA - IAH
2 stops29h 51mMultiple Airlines
Deal found 2/4£605
Fri 16/515:30IAH - GLA
1 stop25h 40mKLM
Tue 27/516:55GLA - IAH
1 stop26h 20mKLM
Deal found 2/4£695
Sat 21/615:17IAH - GLA
2 stops18h 53mDelta
Mon 30/609:10GLA - IAH
2 stops18h 57mDelta
Deal found 2/4£830

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 2 April 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

Fri 19/9

15:30-20:20

1 stop22h 50m

Glasgow Intl

Tue 30/9

21:20-13:45

1 stop22h 25m

£510

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 24/4

15:25-13:35

1 stop16h 10m

Glasgow Intl

Mon 28/4

20:50-13:40

1 stop22h 50m

£514

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 19/9

21:00-18:55

1 stop15h 55m

Glasgow Intl

Tue 30/9

05:50-17:42

2 stops17h 52m

£530

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 25/4

15:30-23:10

1 stop25h 40m

Glasgow Intl

Wed 30/4

06:00-13:15

1 stop13h 15m

£537

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Thu 24/4

09:30-23:30

3 stops32h 00m

Glasgow Intl

Mon 28/4

09:20-09:11

2 stops29h 51m

£605

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Fri 16/5

15:30-23:10

1 stop25h 40m

Glasgow Intl

Tue 27/5

16:55-13:15

1 stop26h 20m

£695

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sat 21/6

15:17-16:10

2 stops18h 53m

Glasgow Intl

Mon 30/6

09:10-22:07

2 stops18h 57m

£830

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 3/9

21:00-18:40

1 stop15h 40m

£443

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 3/9

11:55-12:25

2 stops18h 30m

£452

Flights are sorted by cheapest return flights first.

Deals found on 2/4

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 28 March 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 2 April 2025.
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,897 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 £510, Finnair will fly you from Houston George Bush Intcntl Airport to Glasgow Intl Airport and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and American Airlines - these airlines can fly you to your destination from £514 and £530, respectively. Finnair is priced at 25% 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, 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
Kilmarnock
Dumbarton
Arrochar
East Kilbride
Largs
Renfrew
Balloch
Ballachulish
Inveraray
Clydebank
Rothesay
Helensburgh
Alexandria
Tarbert

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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 2 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£473Average£709FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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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