$255 Cheap Flights from Houston (IAH) to Glasgow (GGW)

View $255 flight on Tue, Dec 16, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Glasgow, MT (GGW-Glasgow Valley County)

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Cheap Flights from Houston to Glasgow (IAH-GGW)

Prices were available within the past 7 days and start at $255 for one-way flights and $540 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 15 - Sat, Sep 20
IAH
Houston
GGW
Glasgow
$540 Roundtrip, found 12 hours ago
$540
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Sep 15 from Houston to Glasgow, returning Sat, Sep 20, priced at $540 found 12 hours ago
Delta
Mon, Sep 15 - Sun, Sep 21
IAH
Houston
GGW
Glasgow
$548 Roundtrip, found 12 hours ago
$548
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Sep 15 from Houston to Glasgow, returning Sun, Sep 21, priced at $548 found 12 hours ago
Delta
Sun, Sep 14 - Fri, Sep 19
IAH
Houston
GGW
Glasgow
$561 Roundtrip, found 12 hours ago
$561
Roundtrip
found 12 hours ago
Select Delta flight, departing Sun, Sep 14 from Houston to Glasgow, returning Fri, Sep 19, priced at $561 found 12 hours ago
United
Mon, Sep 15 - Wed, Sep 17
IAH
Houston
GGW
Glasgow
$578 Roundtrip, found 12 hours ago
$578
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Sep 15 from Houston to Glasgow, returning Wed, Sep 17, priced at $578 found 12 hours ago
United
Sat, Sep 13 - Sat, Sep 20
IAH
Houston
GGW
Glasgow
$590 Roundtrip, found 12 hours ago
$590
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Sep 13 from Houston to Glasgow, returning Sat, Sep 20, priced at $590 found 12 hours ago
Delta
Wed, Sep 10 - Sun, Sep 21
IAH
Houston
GGW
Glasgow
$598 Roundtrip, found 12 hours ago
$598
Roundtrip
found 12 hours ago
Select Delta flight, departing Wed, Sep 10 from Houston to Glasgow, returning Sun, Sep 21, priced at $598 found 12 hours ago
American Airlines
Sat, Sep 13 - Sat, Sep 20
IAH
Houston
GGW
Glasgow
$600 Roundtrip, found 12 hours ago
$600
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sat, Sep 13 from Houston to Glasgow, returning Sat, Sep 20, priced at $600 found 12 hours ago
Delta
Fri, Sep 12 - Tue, Sep 23
IAH
Houston
GGW
Glasgow
$605 Roundtrip, found 12 hours ago
$605
Roundtrip
found 12 hours ago
Select Delta flight, departing Fri, Sep 12 from Houston to Glasgow, returning Tue, Sep 23, priced at $605 found 12 hours ago
Delta
Fri, Sep 12 - Fri, Sep 19
IAH
Houston
GGW
Glasgow
$619 Roundtrip, found 12 hours ago
$619
Roundtrip
found 12 hours ago
Select Delta flight, departing Fri, Sep 12 from Houston to Glasgow, returning Fri, Sep 19, priced at $619 found 12 hours ago
Alaska Airlines
Wed, Sep 10 - Sat, Sep 13
IAH
Houston
GGW
Glasgow
$687 Roundtrip, found 2 days ago
$687
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Sep 10 from Houston to Glasgow, returning Sat, Sep 13, priced at $687 found 2 days ago

Alternative airports near Glasgow

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

Select flight to Glasgow Intl. GGW. Cheapest and Closest option available. Average driving time to city center is 3 minutes. Flights from $548
GGW
Glasgow Intl.
CheapestClosest
Average driving time to city center3 min
Flights from $548
Flights from Houston (IAH) to Glasgow (GGW)
Origin airport
George Bush Intercontinental
Destination airport
Glasgow Valley County
Roundtrip price
$539
Distance
1393 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 September. 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 $255 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 George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GGW) cost?
Lock in a cheap one-way flight from $255 or cheap return flight from $540 from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GGW) 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 George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GGW)?
September is the most affordable month to fly from IAH to GGW. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GGW)?
To find the cheapest airline flying from IAH to GGW, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GGW)?
There aren't any daily nonstop flights from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GGW). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from IAH to GGW?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 (GGW)?
To land at Glasgow Intl. Airport (GGW) on time, book a flight that leaves from George Bush Intercontinental Airport (IAH) 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 George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GGW) last-minute?
Last-minute bookings from IAH to GGW are generally more expensive. To secure the cheapest rates, start looking for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book an IAH to GGW flight and hotel package?
You can save money by booking an IAH to GGW flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Glasgow Intl. Airport (GGW)?
You can usually cancel or reschedule your IAH to GGW flight. However, for bookings 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 more information on our Customer Service portal.

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*Available to One Key members.