$720 Cheap Flights from Glasgow (GLA) to Houston (IAH)

View $720 flight on Tue, Feb 10, 2026Opens in a new window

Popular airlines from Glasgow International Airport (GLA) to George Bush Intercontinental Airport (IAH)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Glasgow to Houston (GLA-IAH)

Prices were available within the past 7 days and start at $720 for one-way flights and $1,078 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, Nov 8 - Wed, Nov 12
GLA
Glasgow
IAH
Houston
$1,078 Roundtrip, found 3 days ago
$1,078
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sat, Nov 8 from Glasgow to Houston, returning Wed, Nov 12, priced at $1,078 found 3 days ago
Aer Lingus
Tue, Feb 10 - Sat, Feb 14
GLA
Glasgow
IAH
Houston
$1,080 Roundtrip, found 14 hours ago
$1,080
Roundtrip
found 14 hours ago
Select Aer Lingus flight, departing Tue, Feb 10 from Glasgow to Houston, returning Sat, Feb 14, priced at $1,080 found 14 hours ago
Icelandair
Thu, Dec 4 - Thu, Jan 8
GLA
Glasgow
IAH
Houston
$1,081 Roundtrip, found 4 days ago
$1,081
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Dec 4 from Glasgow to Houston, returning Thu, Jan 8, priced at $1,081 found 4 days ago
Icelandair
Thu, Dec 4 - Thu, Dec 11
GLA
Glasgow
IAH
Houston
$1,093 Roundtrip, found 6 days ago
$1,093
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Dec 4 from Glasgow to Houston, returning Thu, Dec 11, priced at $1,093 found 6 days ago
Icelandair
Thu, Dec 4 - Thu, Dec 11
GLA
Glasgow
IAH
Houston
$1,099 Roundtrip, found 6 days ago
$1,099
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Dec 4 from Glasgow to Houston, returning Thu, Dec 11, priced at $1,099 found 6 days ago
Icelandair
Sun, Feb 1 - Sat, Feb 7
GLA
Glasgow
IAH
Houston
$1,131 Roundtrip, found 4 days ago
$1,131
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sun, Feb 1 from Glasgow to Houston, returning Sat, Feb 7, priced at $1,131 found 4 days ago
British Airways
Tue, Feb 10 - Sat, Feb 14
GLA
Glasgow
IAH
Houston
$1,148 Roundtrip, found 14 hours ago
$1,148
Roundtrip
found 14 hours ago
Select British Airways flight, departing Tue, Feb 10 from Glasgow to Houston, returning Sat, Feb 14, priced at $1,148 found 14 hours ago
British Airways
Tue, Feb 10 - Sat, Feb 14
GLA
Glasgow
IAH
Houston
$1,153 Roundtrip, found 14 hours ago
$1,153
Roundtrip
found 14 hours ago
Select British Airways flight, departing Tue, Feb 10 from Glasgow to Houston, returning Sat, Feb 14, priced at $1,153 found 14 hours ago
Lufthansa
Tue, Feb 10 - Sat, Feb 14
GLA
Glasgow
IAH
Houston
$1,168 Roundtrip, found 14 hours ago
$1,168
Roundtrip
found 14 hours ago
Select Lufthansa flight, departing Tue, Feb 10 from Glasgow to Houston, returning Sat, Feb 14, priced at $1,168 found 14 hours ago
American Airlines
Tue, Feb 10 - Sat, Feb 14
GLA
Glasgow
IAH
Houston
$1,169 Roundtrip, found 14 hours ago
$1,169
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Feb 10 from Glasgow to Houston, returning Sat, Feb 14, priced at $1,169 found 14 hours ago

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $1,210
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $1,210

Frequently asked questions

How much does a flight from Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH) cost?
Secure a cheap one-way flight from $720 or cheap return flight from $1,078 from Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH)?
Planning your trip for November is a good way to save, as it's the cheapest month for flights between GLA and IAH. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest GLA to IAH flight.
How many flights per day from Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH)?
There aren't any daily direct flights available from Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from GLA to IAH?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH)?
To avoid potential delays on the Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your flight from GLA to IAH right before your getaway is generally more expensive. However, if there's some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a GLA to IAH flight and hotel package?
Opting for a GLA to IAH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Glasgow Intl. Airport (GLA) to George Bush Intercontinental Airport (IAH)?
In most instances, you can modify or cancel your GLA to IAH flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Origin airport
Glasgow Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Aer Lingus, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Virgin Atlantic
Roundtrip price
$1,078
Distance
4563 mi

Book with confidence

Glasgow to Houston Flights

The cheapest times to fly from Glasgow to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Glasgow to Houston are during the month of November. You can find some of the cheapest flights from Glasgow to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Glasgow to Houston

Sunday is one of the best days to book for cheap flights from Glasgow to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Glasgow to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Glasgow to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $720 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Glasgow to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Glasgow to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Glasgow to Houston Flights

Explore a world of travel with Expedia

*Available to One Key members.