Cheap flights from Glasgow Intl Airport to St. Louis from £548

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — STL
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

£567

One-way from

£548

Popular in

December

Cheapest in

February
British Airways
  • British Airways
  • 5/2-9/2
  • 4 total stops
  • 36h 39m total
  • Glasgow to St. Louis
2/4
  • 2/4
  • 2 total stops
  • 18h 36m total
  • Glasgow to St. Louis
Highest demand for flights based on searches. 3% potential increase in price (£27 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).

Find flight deals from Glasgow Intl to St. Louis

Enter your travel dates to find the best prices.

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 16 January 2026.

Sat 28/210:30
GLA
-
STL
2 stops18h 52m
British Airways
Mon 2/314:00
STL
-
GLA
2 stops13h 50m
British Airways
Deal found 15/1£567
Thu 5/206:35
GLA
-
STL
2 stops22h 24m
British Airways
Mon 9/213:35
STL
-
GLA
2 stops18h 55m
British Airways
Deal found 15/1£585
Sat 28/206:35
GLA
-
STL
2 stops18h 55m
American Airlines
Sun 15/311:09
STL
-
GLA
2 stops18h 36m
American Airlines
Deal found 14/1£612
Sat 28/213:10
GLA
-
STL
1 stop30h 45m
Multiple Airlines
Sun 15/316:05
STL
-
GLA
2 stops17h 30m
Multiple Airlines
Deal found 14/1£808
Sat 28/213:10
GLA
-
STL
1 stop30h 45m
Multiple Airlines
Mon 2/318:36
STL
-
GLA
2 stops13h 54m
Multiple Airlines
Deal found 15/1£833
Sat 28/213:10
GLA
-
STL
1 stop30h 45m
Lufthansa
Sun 15/316:50
STL
-
GLA
1 stop14h 15m
Lufthansa
Deal found 14/1£966

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 16 January 2026.
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

Sat 28/2

10:30-23:22

2 stops18h 52m

Lambert-St Louis

Mon 2/3

14:00-09:50

2 stops13h 50m

£567

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 5/2

06:35-22:59

2 stops22h 24m

Lambert-St Louis

Mon 9/2

13:35-14:30

2 stops18h 55m

£585

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Sat 28/2

06:35-19:30

2 stops18h 55m

Lambert-St Louis

Sun 15/3

11:09-10:45

2 stops18h 36m

£612

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Sat 28/2

13:10-13:55

1 stop30h 45m

Lambert-St Louis

Sun 15/3

16:05-14:35

2 stops17h 30m

£808

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Sat 28/2

13:10-13:55

1 stop30h 45m

Lambert-St Louis

Mon 2/3

18:36-14:30

2 stops13h 54m

£833

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Sat 28/2

13:10-13:55

1 stop30h 45m

Lambert-St Louis

Sun 15/3

16:50-12:05

1 stop14h 15m

£966

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 2/4

08:35-21:11

2 stops18h 36m

£548

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 2/4

17:20-13:25

1 stop26h 05m

£823

Flights are sorted by cheapest return flights first.

Deals found on 14/1

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.

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 16 January 2026.
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.

Comfort

7.6

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Comfort

7.6

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Comfort

7.6

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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?

    British Airways and American Airlines can get you from Glasgow Intl Airport to St. Louis in just under 18h 52m. Your travel time can differ by up to 03m. Airlines will cover a distance of 3914 mi. This flight may include one or multiple stops.

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

    British Airways, at £517, 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 41% 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.

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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£517Average£834FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£807Average£968FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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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