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Cheap flights from Houston George Bush Intcntl Airport to Glasgow from $405

This is the cheapest one-way 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 3/7. 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 round-trip flights

British Airways Logo
9:45 pm - 4:35 pmIAH-GLA
12h 50m1 stop
British Airways Logo
5:55 am - 2:05 pmGLA-IAH
14h 10m1 stop
$561British Airways
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Mon, Nov 24 - Wed, Dec 3
British Airways Logo
9:00 pm - 11:15 pmIAH-GLA
20h 15m1 stop
British Airways Logo
5:55 am - 2:05 pmGLA-IAH
14h 10m1 stop
$572British Airways
Find Deal
Wed, Oct 15 - Wed, Nov 5
American Airlines Logo
12:10 pm - 9:50 amIAH-GLA
15h 40m2 stops
American Airlines Logo
10:55 am - 12:09 amGLA-IAH
19h 14m2 stops
$575American Airlines
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Mon, Nov 24 - Wed, Dec 3
American Airlines Logo
3:30 pm - 6:40 pmIAH-GLA
21h 10m1 stop
American Airlines Logo
10:35 am - 10:07 pmGLA-IAH
17h 32m2 stops
$581American Airlines
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Wed, Oct 8 - Wed, Oct 15
Delta Logo
3:30 pm - 12:45 pmIAH-GLA
15h 15m1 stop
Delta Logo
6:05 am - 1:30 pmGLA-IAH
13h 25m1 stop
$655Delta
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Tue, Nov 25 - Wed, Dec 3
KLM Logo
3:30 pm - 4:10 pmIAH-GLA
18h 40m1 stop
KLM Logo
1:25 pm - 1:30 pmGLA-IAH
30h 05m1 stop
$656KLM
Find Deal
Wed, Oct 15 - Wed, Nov 5
KLM Logo
10:50 am - 8:10 amIAH-GLA
15h 20m2 stops
KLM Logo
1:30 pm - 1:15 pmGLA-IAH
29h 45m1 stop
$659KLM
Find Deal
Wed, Oct 15 - Mon, Oct 20
Delta Logo
12:55 pm - 4:10 pmIAH-GLA
21h 15m2 stops
Delta Logo
8:55 am - 11:59 pmGLA-IAH
21h 04m2 stops
$669Delta
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Wed, Oct 8 - Wed, Oct 15
Logo
10:50 pm - 5:35 pmIAH-GLA
13h 45m1 stop
Logo
9:20 am - 8:00 pmGLA-IAH
16h 40m1 stop
$678
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Sun, Oct 26 - Sun, Nov 9
Logo
5:25 am - 8:45 pmIAH-GLA
33h 20m2 stops
Logo
8:25 am - 11:56 pmGLA-IAH
45h 31m3 stops
$736
Find Deal
Wed, Oct 8 - Wed, Oct 15

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
Nov 25
IAH3:30 pmHouston George Bush Intcntl
15h 15m
1 stop
GLA12:45 pmGlasgow Intl
Dec 3
GLA6:05 amGlasgow Intl
13h 25m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$655
Find similar
Delta
Oct 8
IAH12:55 pmHouston George Bush Intcntl
21h 15m
2 stops
GLA4:10 pmGlasgow Intl
Oct 15
GLA8:55 amGlasgow Intl
21h 04m
2 stops
IAH11:59 pmHouston George Bush Intcntl
$669
Find similar
Delta
Sep 19
IAH3:30 pmHouston George Bush Intcntl
15h 15m
1 stop
GLA12:45 pmGlasgow Intl
Sep 30
GLA6:00 amGlasgow Intl
13h 15m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$705
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KLM flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport

Our best KLM deals on Houston George Bush Intcntl Airport to Glasgow Intl Airport flight tickets
KLM
Oct 15
IAH3:30 pmHouston George Bush Intcntl
18h 40m
1 stop
GLA4:10 pmGlasgow Intl
Nov 5
GLA1:25 pmGlasgow Intl
30h 05m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$656
Find similar
KLM
Oct 15
IAH10:50 amHouston George Bush Intcntl
15h 20m
2 stops
GLA8:10 amGlasgow Intl
Oct 20
GLA1:30 pmGlasgow Intl
29h 45m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$659
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated September 9, 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 11/24

9:45 pm-4:35 pm

1 stop12h 50m

Glasgow Intl

Wed 12/3

5:55 am-2:05 pm

1 stop14h 10m

$561

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 10/15

9:00 pm-11:15 pm

1 stop20h 15m

Glasgow Intl

Wed 11/5

5:55 am-2:05 pm

1 stop14h 10m

$572

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 11/24

12:10 pm-9:50 am

2 stops15h 40m

Glasgow Intl

Wed 12/3

10:55 am-12:09 am

2 stops19h 14m

$575

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 10/8

3:30 pm-6:40 pm

1 stop21h 10m

Glasgow Intl

Wed 10/15

10:35 am-10:07 pm

2 stops17h 32m

$581

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Tue 11/25

3:30 pm-12:45 pm

1 stop15h 15m

Glasgow Intl

Wed 12/3

6:05 am-1:30 pm

1 stop13h 25m

$655

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 10/15

3:30 pm-4:10 pm

1 stop18h 40m

Glasgow Intl

Wed 11/5

1:25 pm-1:30 pm

1 stop30h 05m

$656

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 10/15

10:50 am-8:10 am

2 stops15h 20m

Glasgow Intl

Mon 10/20

1:30 pm-1:15 pm

1 stop29h 45m

$659

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 10/8

12:55 pm-4:10 pm

2 stops21h 15m

Glasgow Intl

Wed 10/15

8:55 am-11:59 pm

2 stops21h 04m

$669

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Sun 10/26

10:50 pm-5:35 pm

1 stop13h 45m

Glasgow Intl

Sun 11/9

9:20 am-8:00 pm

1 stop16h 40m

$678

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Wed 10/8

5:25 am-8:45 pm

2 stops33h 20m

Glasgow Intl

Wed 10/15

8:25 am-11:56 pm

3 stops45h 31m

$736

Flights are sorted by cheapest round-trip 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?

The cheapest month to fly to Glasgow Intl Airport from Houston George Bush Intcntl Airport is in October. Flight prices, which tend to average around $656, are often lower during this time because this is during the off-season. 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 $671.

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

Our data shows that Sunday is the least expensive day to fly to Glasgow Intl Airport. Tickets to fly out on this day can be as low as $816. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Houston George Bush Intcntl Airport to Glasgow Intl Airport for around $1,076.

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

Our most recent data shows that the best time of day to fly to Glasgow Intl Airport is in the afternoon. Flights from Houston George Bush Intcntl Airport to Glasgow Intl Airport during this time can be as low as $996. Try not to purchase tickets at noon because they tend to be around $1,179. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $830 when searching weeks out. 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 $615 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 round-trip 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. A reasonable flight in good conditions will take 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 are updated 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 travel and health documents you'll need for your trip to Glasgow Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Glasgow Intl Airport. It is always advisable to seek 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 $600Free CancellationRating
6.7
7,358 reviews
Search British Airways flights
American AirlinesPriceFrom $626Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Glasgow?

Book flights to Glasgow if you plan to visit one of these locations
Paisley
Glencoe
Dumbarton
Inveraray
Kinlochleven
Alexandria
Kilmarnock
Arrochar
Dunoon
Ballachulish
East Kilbride
Renfrew
Tarbert

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Houston to Glasgow flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Houston and Glasgow by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Houston to Glasgow flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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