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Cheap flights from Glasgow Intl Airport to St. Louis from £540

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — STL
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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Best flights from Glasgow Intl to St. Louis
Discover carefully curated flight deals from Glasgow Intl to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2025.

Thu 26/209:55GLA - STL
2 stops19h 35mAmerican Airlines
Mon 2/313:36STL - GLA
2 stops15h 09mAmerican Airlines
Deal found 29/10£643

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 31 October 2025.

Round-trip from

£643

One-way from

£540

Popular in

August

Cheapest in

December

Average price

£992
American Airlines
  • American Airlines
  • 26/2-2/3
  • 4 total stops
  • 34h 44m total
  • Glasgow to St. Louis
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Aer Lingus
  • Aer Lingus
  • 25/11
  • 2 total stops
  • 32h 54m total
  • Glasgow to St. Louis
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£108 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£42 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 31 October 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 26/2

09:55-23:30

2 stops19h 35m

Lambert-St Louis

Mon 2/3

13:36-10:45

2 stops15h 09m

£643

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Tue 25/11

20:10-23:04

2 stops32h 54m

£540

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Tue 25/11

13:10-13:55

1 stop30h 45m

£653

Flights are sorted by cheapest return flights first.

Deals found on 28/10

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 return 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

What is the cheapest time of day to fly from GLA to STL?

Find hourly flight availability from Glasgow Intl to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2025.

It’s optimal to fly from Glasgow Intl Airport to St. Louis in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

How much does it cost for a return flight from Glasgow Intl Airport to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 31 October 2025.
Check out reviews from past customers who have flown with KLM and British Airways from Glasgow Intl Airport to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Food

7.3

Overall

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Food

7.3

Overall

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,488 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Food

7.3

Overall

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Glasgow Intl. On average, Lambert-St Louis has 0 inbound flights from Glasgow Intl per day from 2 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    American Airlines can get you from Glasgow Intl Airport to St. Louis in just under 19h 35m. Your travel time can differ by up to . Airlines will cover a distance of 3914 mi.

  • What are the cheapest airlines flying from Glasgow Intl Airport to St. Louis round-trip?

    British Airways, at £732, was found to be the cheapest airline from Glasgow Intl Airport to St. Louis. An alternate airline flying to your destination would be KLM. British Airways is currently priced 23% below the average price you’ll pay for this route.

  • 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 holiday 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.

See more FAQs

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Alternative routes for Glasgow Intl to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Glasgow Intl to Kansas City flights

Top 2 airlines flying from Glasgow Intl to St. Louis

Discover the top 2 airlines that operate flights from Glasgow Intl to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£732Average£884FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£755Average£926FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Glasgow Intl to St. Louis?

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Can Cheapflights find flights from Glasgow Intl to St. Louis with no change fees?

Yes, we can. To see specific flights from Glasgow Intl to St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Glasgow Intl to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Glasgow Intl to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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