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Cheap flights from Glasgow Intl Airport to Houston from $400

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to Houston departing on 9/1. 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 Glasgow Intl Airport to Houston (GLA-IAH)

Cheap round-trip flights

British Airways Logo
9:45 am - 8:00 pmGLA-IAH
16h 15m1 stop
British Airways Logo
9:45 pm - 4:35 pmIAH-GLA
12h 50m1 stop
$960British Airways
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Mon, Nov 10 - Mon, Nov 17
Delta Logo
6:00 am - 1:15 pmGLA-IAH
13h 15m1 stop
Delta Logo
12:39 pm - 4:10 pmIAH-GLA
21h 31m2 stops
$988Delta
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Wed, Sep 17 - Sun, Sep 28
Delta Logo
6:00 am - 1:15 pmGLA-IAH
13h 15m1 stop
Delta Logo
12:39 pm - 4:10 pmIAH-GLA
21h 31m2 stops
$992Delta
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Wed, Sep 17 - Sun, Sep 28
Logo
12:40 pm - 10:11 amGLA-IAH
27h 31m2 stops
Logo
4:30 pm - 12:00 pmIAH-GLA
13h 30m1 stop
$1,025
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Fri, Nov 14 - Sun, Nov 30
KLM Logo
6:00 am - 1:15 pmGLA-IAH
13h 15m1 stop
KLM Logo
3:30 pm - 8:10 amIAH-GLA
34h 40m1 stop
$1,028KLM
Find Deal
Wed, Sep 17 - Sun, Sep 28
Logo
12:40 pm - 10:11 amGLA-IAH
27h 31m2 stops
Logo
6:55 pm - 11:10 pmIAH-GLA
22h 15m1 stop
$1,029
Find Deal
Fri, Nov 14 - Sun, Nov 30
KLM Logo
6:00 am - 1:15 pmGLA-IAH
13h 15m1 stop
KLM Logo
3:30 pm - 1:00 pmIAH-GLA
15h 30m1 stop
$1,032KLM
Find Deal
Wed, Sep 17 - Sun, Sep 28
Lufthansa Logo
12:40 pm - 2:35 pmGLA-IAH
31h 55m1 stop
Lufthansa Logo
4:30 pm - 12:00 pmIAH-GLA
13h 30m1 stop
$1,038Lufthansa
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Fri, Nov 14 - Sun, Nov 30
Lufthansa Logo
12:40 pm - 2:35 pmGLA-IAH
31h 55m1 stop
Lufthansa Logo
4:30 pm - 12:00 pmIAH-GLA
13h 30m1 stop
$1,042Lufthansa
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Fri, Nov 14 - Sun, Nov 30
Virgin Atlantic Logo
6:05 am - 1:30 pmGLA-IAH
13h 25m1 stop
Virgin Atlantic Logo
3:30 pm - 9:55 amIAH-GLA
12h 25m1 stop
$1,062Virgin Atlantic
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Thu, Jan 22 - Sat, Feb 7

British Airways flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport

Our best British Airways deals on Glasgow Intl Airport to Houston George Bush Intcntl Airport flight tickets
British Airways
Nov 10
GLA9:45 amGlasgow Intl
16h 15m
1 stop
IAH8:00 pmHouston George Bush Intcntl
Nov 17
IAH9:45 pmHouston George Bush Intcntl
12h 50m
1 stop
GLA4:35 pmGlasgow Intl
$960
Find similar
British Airways
Jan 22
GLA11:30 amGlasgow Intl
14h 30m
1 stop
IAH8:00 pmHouston George Bush Intcntl
Feb 7
IAH9:50 pmHouston George Bush Intcntl
13h 20m
1 stop
GLA5:10 pmGlasgow Intl
$1,052
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British Airways
Nov 14
GLA6:35 amGlasgow Intl
13h 30m
1 stop
IAH2:05 pmHouston George Bush Intcntl
Nov 30
IAH9:50 pmHouston George Bush Intcntl
12h 50m
1 stop
GLA4:40 pmGlasgow Intl
$1,056
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KLM flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport

Our best KLM deals on Glasgow Intl Airport to Houston George Bush Intcntl Airport flight tickets
KLM
Sep 17
GLA6:00 amGlasgow Intl
13h 15m
1 stop
IAH1:15 pmHouston George Bush Intcntl
Sep 28
IAH3:30 pmHouston George Bush Intcntl
34h 40m
1 stop
GLA8:10 amGlasgow Intl
$1,028
Find similar
KLM
Sep 17
GLA6:00 amGlasgow Intl
13h 15m
1 stop
IAH1:15 pmHouston George Bush Intcntl
Sep 28
IAH3:30 pmHouston George Bush Intcntl
15h 30m
1 stop
GLA1:00 pmGlasgow Intl
$1,032
Find similar
KLM
Jan 21
GLA6:05 amGlasgow Intl
17h 38m
2 stops
IAH5:43 pmHouston George Bush Intcntl
Feb 7
IAH11:30 amHouston George Bush Intcntl
16h 25m
2 stops
GLA9:55 amGlasgow Intl
$1,033
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momondo Fare Finder

 
Customize your flight search to find flights from Glasgow Intl Airport to Houston George Bush Intcntl 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 832,500 searches. Data last updated August 4, 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Mon 11/10

9:45 am-8:00 pm

1 stop16h 15m

Houston George Bush Intcntl

Mon 11/17

9:45 pm-4:35 pm

1 stop12h 50m

$960

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 9/17

6:00 am-1:15 pm

1 stop13h 15m

Houston George Bush Intcntl

Sun 9/28

12:39 pm-4:10 pm

2 stops21h 31m

$988

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 9/17

6:00 am-1:15 pm

1 stop13h 15m

Houston George Bush Intcntl

Sun 9/28

12:39 pm-4:10 pm

2 stops21h 31m

$992

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 11/14

12:40 pm-10:11 am

2 stops27h 31m

Houston George Bush Intcntl

Sun 11/30

4:30 pm-12:00 pm

1 stop13h 30m

$1,025

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 9/17

6:00 am-1:15 pm

1 stop13h 15m

Houston George Bush Intcntl

Sun 9/28

3:30 pm-8:10 am

1 stop34h 40m

$1,028

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 11/14

12:40 pm-10:11 am

2 stops27h 31m

Houston George Bush Intcntl

Sun 11/30

6:55 pm-11:10 pm

1 stop22h 15m

$1,029

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Wed 9/17

6:00 am-1:15 pm

1 stop13h 15m

Houston George Bush Intcntl

Sun 9/28

3:30 pm-1:00 pm

1 stop15h 30m

$1,032

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 11/14

12:40 pm-2:35 pm

1 stop31h 55m

Houston George Bush Intcntl

Sun 11/30

4:30 pm-12:00 pm

1 stop13h 30m

$1,038

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 11/14

12:40 pm-2:35 pm

1 stop31h 55m

Houston George Bush Intcntl

Sun 11/30

4:30 pm-12:00 pm

1 stop13h 30m

$1,042

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Thu 1/22

6:05 am-1:30 pm

1 stop13h 25m

Houston George Bush Intcntl

Sat 2/7

3:30 pm-9:55 am

1 stop12h 25m

$1,062

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Houston from

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

The month of February is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Glasgow Intl Airport, with most prices found around $873. If you are unable to visit Houston George Bush Intcntl Airport during the month of February, then departing from Glasgow Intl Airport during the month March is also very affordable. Most momondo users find prices during this month for around $1,016.

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $1,209 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Glasgow Intl Airport for as low as $882 on momondo.

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

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

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

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

Best Price Found

$400

Fastest flight time

13h 15m

Direct flights

None
The best one-way flight to Houston George Bush Intcntl Airport from Glasgow Intl Airport in the past 72 hours is $400. The best round-trip flight deal from Glasgow Intl Airport to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $960.
The fastest flight from Glasgow Intl Airport to Houston George Bush Intcntl Airport takes 13h 15m
There are no direct flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport. Popular non-direct route for this connection is Glasgow Intl Airport - Houston George Bush Intcntl Airport.
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  • How far is Glasgow Intl to Houston George Bush Intcntl by plane?

    The straight-line distance from Glasgow Intl to Houston George Bush Intcntl is 4560.1 mi. Typically, this will take 13h 15m by plane in normal conditions.

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

    Prices for flights from Glasgow Intl Airport to Houston George Bush Intcntl Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow Intl Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The required travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston George Bush Intcntl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $844Free CancellationRating
6.6
7,235 reviews
Search British Airways flights

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momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Glasgow to Houston. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for Glasgow to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Glasgow and alert you when they change.

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