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$572+ Cheap flights from Glasgow Intl (GLA) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — STL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Glasgow Intl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$1,032
(American Airlines)

Popular in

August

Cheapest in

December

Average price

$1,119
From Glasgow Intl to Lambert-St Louis
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Highest demand for flights based on searches. 13% potential increase in price ($199 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($73 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Glasgow Intl to St. Louis

Cheapest flights from Glasgow Intl to St. Louis
Explore the most affordable flight options available from Glasgow Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Justfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:10 pmGLA - STL
2 stops29h 10mAer Lingus
Tue 10/282:15 pmSTL - GLA
2 stops20h 45mAer Lingus
Deal found 9/14$1,380

Cheapflights Fare Finder

 
Customize your flight search to find flights from Glasgow Intl to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to St. Louis that are best for you.

Fly from

Glasgow Intl

Fly to

St. Louis

Route

Depart

Return

Price

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 2/26

8:40 am-9:44 pm

2 stops19h 04m

Lambert-St Louis

Mon 3/2

6:32 pm-2:30 pm

2 stops13h 58m

$1,032

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Sun 10/26

8:10 pm-8:20 pm

2 stops29h 10m

Lambert-St Louis

Tue 10/28

2:15 pm-4:00 pm

2 stops20h 45m

$1,380

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Fri 9/19

6:55 am-9:06 am

3 stops32h 11m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Glasgow Intl to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Glasgow Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Glasgow Intl Airport to St. Louis

How much does it cost to fly round-trip from Glasgow Intl Airport to St. Louis?

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Glasgow Intl?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Glasgow Intl to St. Louis. You should not have trouble finding flights to Lambert-St Louis from Glasgow Intl; the airport handles an average of 0 inbound flights from Glasgow Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the St. Louis airport from Glasgow Intl. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • How long is the flight from Glasgow Intl Airport to St. Louis?

    Airlines like American Airlines and Aer Lingus fly from Glasgow Intl Airport to St. Louis in about 19h 04m. The time it takes to get you to your destination can typically vary by up to 10h 06m. Airlines will cover a distance of 3914 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Glasgow Intl to St. Louis that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to St. Louis.

  • Can I find deals for business class flights from Glasgow Intl to St. Louis?

    Yes. Cheapflights offers flight deals from Glasgow Intl to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Glasgow Intl Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Glasgow Intl Airport to St. Louis (average of $311). Flying from Glasgow Intl Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
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