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Cheap flights from Houston George Bush Intcntl Airport to Glasgow from £415

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Glasgow departing on 24/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Glasgow (IAH-GLA)

Cheap return flights

British Airways Logo
21:45 - 16:35IAH-GLA
12h 50m1 stop
British Airways Logo
05:55 - 14:05GLA-IAH
14h 10m1 stop
£415British Airways
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Mon, 24 Nov - Wed, 3 Dec
British Airways Logo
21:00 - 23:15IAH-GLA
20h 15m1 stop
British Airways Logo
05:55 - 14:05GLA-IAH
14h 10m1 stop
£423British Airways
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Wed, 15 Oct - Wed, 5 Nov
British Airways Logo
15:50 - 09:50IAH-GLA
12h 00m1 stop
British Airways Logo
09:45 - 21:28GLA-IAH
17h 43m2 stops
£424British Airways
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Mon, 24 Nov - Wed, 3 Dec
American Airlines Logo
12:10 - 09:50IAH-GLA
15h 40m2 stops
American Airlines Logo
10:55 - 00:09GLA-IAH
19h 14m2 stops
£425American Airlines
Find Deal
Mon, 24 Nov - Wed, 3 Dec
American Airlines Logo
15:30 - 18:40IAH-GLA
21h 10m1 stop
American Airlines Logo
10:35 - 22:07GLA-IAH
17h 32m2 stops
£430American Airlines
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Wed, 8 Oct - Wed, 15 Oct
Delta Logo
15:30 - 12:45IAH-GLA
15h 15m1 stop
Delta Logo
06:05 - 13:30GLA-IAH
13h 25m1 stop
£484Delta
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Tue, 25 Nov - Wed, 3 Dec
KLM Logo
10:50 - 08:10IAH-GLA
15h 20m2 stops
KLM Logo
13:30 - 13:15GLA-IAH
29h 45m1 stop
£487KLM
Find Deal
Wed, 15 Oct - Mon, 20 Oct
Delta Logo
12:55 - 16:10IAH-GLA
21h 15m2 stops
Delta Logo
08:55 - 23:59GLA-IAH
21h 04m2 stops
£495Delta
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Lufthansa Logo
18:50 - 23:05IAH-GLA
22h 15m2 stops
Lufthansa Logo
06:10 - 17:17GLA-IAH
17h 07m2 stops
£528Lufthansa
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Wed, 15 Oct - Mon, 20 Oct
Lufthansa Logo
15:35 - 12:25IAH-GLA
14h 50m1 stop
Lufthansa Logo
06:10 - 17:14GLA-IAH
17h 04m2 stops
£559Lufthansa
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Sun, 12 Oct - Sat, 18 Oct

Delta flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport

Our best Delta deals on Houston George Bush Intcntl Airport to Glasgow Intl Airport flight tickets
Delta
25 Nov
IAH15:30Houston George Bush Intcntl
15h 15m
1 stop
GLA12:45Glasgow Intl
3 Dec
GLA06:05Glasgow Intl
13h 25m
1 stop
IAH13:30Houston George Bush Intcntl
£484
Find similar
Delta
8 Oct
IAH12:55Houston George Bush Intcntl
21h 15m
2 stops
GLA16:10Glasgow Intl
15 Oct
GLA08:55Glasgow Intl
21h 04m
2 stops
IAH23:59Houston George Bush Intcntl
£495
Find similar
Delta
19 Sept
IAH15:30Houston George Bush Intcntl
15h 15m
1 stop
GLA12:45Glasgow Intl
30 Sept
GLA06:00Glasgow Intl
13h 15m
1 stop
IAH13:15Houston George Bush Intcntl
£521
Find similar

American Airlines flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport

Our best American Airlines deals on Houston George Bush Intcntl Airport to Glasgow Intl Airport flight tickets
American Airlines
24 Nov
IAH12:10Houston George Bush Intcntl
15h 40m
2 stops
GLA09:50Glasgow Intl
3 Dec
GLA10:55Glasgow Intl
19h 14m
2 stops
IAH00:09Houston George Bush Intcntl
£425
Find similar
American Airlines
8 Oct
IAH15:30Houston George Bush Intcntl
21h 10m
1 stop
GLA18:40Glasgow Intl
15 Oct
GLA10:35Glasgow Intl
17h 32m
2 stops
IAH22:07Houston George Bush Intcntl
£430
Find similar
American Airlines
26 Oct
IAH19:12Houston George Bush Intcntl
16h 28m
2 stops
GLA16:40Glasgow Intl
8 Nov
GLA10:30Glasgow Intl
19h 02m
2 stops
IAH23:32Houston George Bush Intcntl
£462
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momondo Fare Finder

 
Customise your flight search to find flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport 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, momondo users made 279,928 searches. Data last updated 9 September 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

Fly to

Route

Depart

Return

Price

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 24/11

21:45-16:35

1 stop12h 50m

Glasgow Intl

Wed 3/12

05:55-14:05

1 stop14h 10m

£415

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

21:00-23:15

1 stop20h 15m

Glasgow Intl

Wed 5/11

05:55-14:05

1 stop14h 10m

£423

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 24/11

15:50-09:50

1 stop12h 00m

Glasgow Intl

Wed 3/12

09:45-21:28

2 stops17h 43m

£424

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 24/11

12:10-09:50

2 stops15h 40m

Glasgow Intl

Wed 3/12

10:55-00:09

2 stops19h 14m

£425

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 8/10

15:30-18:40

1 stop21h 10m

Glasgow Intl

Wed 15/10

10:35-22:07

2 stops17h 32m

£430

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 25/11

15:30-12:45

1 stop15h 15m

Glasgow Intl

Wed 3/12

06:05-13:30

1 stop13h 25m

£484

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

10:50-08:10

2 stops15h 20m

Glasgow Intl

Mon 20/10

13:30-13:15

1 stop29h 45m

£487

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 8/10

12:55-16:10

2 stops21h 15m

Glasgow Intl

Wed 15/10

08:55-23:59

2 stops21h 04m

£495

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 15/10

18:50-23:05

2 stops22h 15m

Glasgow Intl

Mon 20/10

06:10-17:17

2 stops17h 07m

£528

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 12/10

15:35-12:25

1 stop14h 50m

Glasgow Intl

Sat 18/10

06:10-17:14

2 stops17h 04m

£559

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Glasgow from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Glasgow Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Glasgow Intl Airport?

In general, October is the cheapest month to fly from Houston George Bush Intcntl Airport to Glasgow Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £485. If you’re not able to fly to Glasgow Intl Airport in October, then April is your next best option. Flight prices from Houston George Bush Intcntl Airport to Glasgow Intl Airport during April average around £496.

What is the cheapest time of day to depart on your flight to Glasgow Intl Airport?

In the evening is the cheapest time of day to fly from Houston George Bush Intcntl Airport to Glasgow Intl Airport when you can find flight prices for as low as £510. Flying to Glasgow Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Flights to Glasgow Intl Airport are more costly in the afternoon, with an average ticket price of £580. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Glasgow Intl Airport?

You are more likely to see cheaper flights to Glasgow Intl Airport from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Glasgow Intl Airport for around £614 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Glasgow Intl Airport from Houston George Bush Intcntl Airport for as low as £455 on momondo.

When to book flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Glasgow Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Houston George Bush Intcntl Airport to Glasgow Intl Airport (IAH to GLA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Glasgow Intl Airport

Direct flights

None
There are no direct flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport. There are no popular flight routes from Houston George Bush Intcntl Airport to Glasgow Intl Airport.
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  • How far is Houston George Bush Intcntl to Glasgow Intl by plane?

    Houston George Bush Intcntl and Glasgow Intl are 4560.1 mi apart from one another. In terms of flight time, this usually takes a little over 12h 00m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport refresh daily.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston George Bush Intcntl Airport to Glasgow Intl Airport.

  • What documentation or ID do you need to fly to Glasgow Intl Airport?

    The necessary travel and health documents for your Glasgow Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Houston George Bush Intcntl Airport to Glasgow Intl Airport?

Best airlines flying from Houston George Bush Intcntl Airport to Glasgow Intl Airport

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Glasgow Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £453Free CancellationRating
6.7
7,354 reviews
Search British Airways flights

Travelling to a place near Glasgow?

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Kinlochleven

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Glasgow?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Glasgow for you.

Can I find flights from Houston to Glasgow with flexible booking policies on momondo?

momondo does allow users to show only those flights to Glasgow from Houston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Houston to Glasgow?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Glasgow.

I’m not ready to book a flight from Houston to Glasgow right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Glasgow from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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