$361 Cheap Flights from Houston (HOU) to Glasgow (GLA)

View $361 flight on Sun, Aug 10, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Glasgow International Airport (GLA)

Cheap Flights from Houston to Glasgow (HOU-GLA)

Prices were available within the past 7 days and start at $361 for one-way flights and $642 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Oct 27 - Thu, Nov 6
HOU
Houston
GLA
Glasgow
$642 Roundtrip, found 8 hours ago
$642
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Oct 27 from Houston to Glasgow, returning Thu, Nov 6, priced at $642 found 8 hours ago

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

August is typically the cheapest month to fly

From $589 - $1,680 per traveler.

Graph displaying average flight prices per month

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 $646
GLA
Glasgow Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $646
Flights from Houston (IAH) to Glasgow (GLA)
Origin airport
George Bush Intercontinental
Destination airport
Glasgow Intl.
Airlines serving
American Airlines, British Airways, Delta, Iberia
Roundtrip price
$510
Distance
4563 mi

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 October. 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 $361 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.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Glasgow Intl. Airport (GLA) cost?
Discover the latest flight deals from HOU to GLA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HOU to GLA?
The cheapest flights from HOU to GLA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HOU to GLA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HOU to GLA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from William P. Hobby Airport (HOU) to Glasgow Intl. Airport (GLA)?
There aren't any daily nonstop flights available from William P. Hobby Airport (HOU) to Glasgow Intl. Airport (GLA). 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 in no time at all.
What day of the week has the most flights from HOU to GLA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Glasgow Intl. Airport (GLA)?
To land at Glasgow Intl. Airport (GLA) on time, opt for a flight that leaves William P. Hobby Airport (HOU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 William P. Hobby Airport (HOU) to Glasgow Intl. Airport (GLA) last-minute?
Booking your ticket from HOU to GLA shortly before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a HOU to GLA flight and hotel package?
Compared with arranging hotels and flights separately, booking a HOU to GLA flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Glasgow Intl. Airport (GLA)?
If you booked your HOU to GLA flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.