$358 Cheap Flights from Houston (IAH) to Glasgow (GLA)

View $358 flight on Mon, Feb 16, 2026Opens in a new window

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

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Cheap Flights from Houston to Glasgow (IAH-GLA)

Prices were available within the past 7 days and start at $358 for one-way flights and $549 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Mar 18 - Mon, Mar 23
IAH
Houston
GLA
Glasgow
$549 Roundtrip, found 2 days ago
$549
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Mar 18 from Houston to Glasgow, returning Mon, Mar 23, priced at $549 found 2 days ago
United
Sun, Nov 16 - Tue, Nov 18
IAH
Houston
GLA
Glasgow
$587 Roundtrip, found 4 days ago
$587
Roundtrip
found 4 days ago
Select United flight, departing Sun, Nov 16 from Houston to Glasgow, returning Tue, Nov 18, priced at $587 found 4 days ago
British Airways
Wed, Mar 18 - Mon, Mar 23
IAH
Houston
GLA
Glasgow
$598 Roundtrip, found 2 days ago
$598
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Mar 18 from Houston to Glasgow, returning Mon, Mar 23, priced at $598 found 2 days ago
Lufthansa
Wed, Mar 18 - Mon, Mar 23
IAH
Houston
GLA
Glasgow
$602 Roundtrip, found 2 days ago
$602
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Mar 18 from Houston to Glasgow, returning Mon, Mar 23, priced at $602 found 2 days ago
British Airways
Wed, Mar 18 - Mon, Mar 23
IAH
Houston
GLA
Glasgow
$613 Roundtrip, found 2 days ago
$613
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Mar 18 from Houston to Glasgow, returning Mon, Mar 23, priced at $613 found 2 days ago
British Airways
Thu, Nov 27 - Sat, Dec 6
IAH
Houston
GLA
Glasgow
$614 Roundtrip, found 14 hours ago
$614
Roundtrip
found 14 hours ago
Select British Airways flight, departing Thu, Nov 27 from Houston to Glasgow, returning Sat, Dec 6, priced at $614 found 14 hours ago
American Airlines
Thu, Nov 27 - Sat, Dec 6
IAH
Houston
GLA
Glasgow
$616 Roundtrip, found 14 hours ago
$616
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Thu, Nov 27 from Houston to Glasgow, returning Sat, Dec 6, priced at $616 found 14 hours ago
American Airlines
Mon, Oct 20 - Fri, Oct 31
IAH
Houston
GLA
Glasgow
$617 Roundtrip, found 5 days ago
$617
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 20 from Houston to Glasgow, returning Fri, Oct 31, priced at $617 found 5 days ago
American Airlines
Wed, Feb 4 - Wed, Feb 11
IAH
Houston
GLA
Glasgow
$621 Roundtrip, found 5 days ago
$621
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Feb 4 from Houston to Glasgow, returning Wed, Feb 11, priced at $621 found 5 days ago
Delta
Mon, Nov 17 - Wed, Nov 19
IAH
Houston
GLA
Glasgow
$637 Roundtrip, found 4 days ago
$637
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Nov 17 from Houston to Glasgow, returning Wed, Nov 19, priced at $637 found 4 days ago

Find the cheapest month to fly from Houston (IAH) to Glasgow (GLA)

October is typically the cheapest month to fly

From $579 - $913 per traveler.

Alternative airports near Glasgow

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

Select flight to Glasgow Intl. GLA. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $650
GLA
Glasgow Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $650

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA) cost?
Lock in a cheap one-way flight from $358 or cheap return flight from $549 from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA)?
March is the cheapest month to fly from IAH to GLA. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAH to GLA. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA)?
You'll need to hop on a flight with a layover if you're traveling from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from IAH to GLA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA)?
Book a flight from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 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 George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA) last-minute?
Last-minute bookings from IAH to GLA are typically more expensive. To lock in the lowest prices, start searching for flights as early as possible. That being said, if you're flexible with your travel dates, you may score a cheap fare right before you leave.
Is it cheaper to book an IAH to GLA flight and hotel package?
Securing an IAH to GLA flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GLA)?
It's usually possible to reschedule or cancel your IAH to GLA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Glasgow Intl.
Airlines serving
Aer Lingus, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Virgin Atlantic
Roundtrip price
$549
Distance
4563 mi

Book with confidence

Book with confidence

Houston to Glasgow Flights

The cheapest times to fly from Houston to Glasgow

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 Houston to Glasgow are during the month of March. You can find some of the cheapest flights from Houston to Glasgow with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Glasgow

Sunday is one of the best days to book for cheap flights from Houston to Glasgow: 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 Houston to Glasgow

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 Houston to Glasgow in 2025. You can also book with separate airlines for your outbound and return journeys, from $358 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 Houston to Glasgow 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 Houston to Glasgow 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.

 

Houston to Glasgow Flights

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