Cheap flights from Glasgow Intl Airport to St. Louis from £632

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — STL
6 Jul — 13 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 6 June 2026.

Wed 30/906:25
GLA
-
STL
2 stops16h 23m
British Airways
Sun 4/1021:40
STL
-
GLA
1 stop13h 10m
British Airways
Deal found 4/6£698
Thu 2/706:00
GLA
-
STL
2 stops20h 39m
Delta
Thu 30/715:58
STL
-
GLA
2 stops18h 17m
Delta
Deal found 5/6£791
Thu 2/711:00
GLA
-
STL
1 stop15h 07m
Multiple Airlines
Thu 30/708:55
STL
-
GLA
2 stops30h 05m
Multiple Airlines
Deal found 5/6£1,051
Fri 17/705:50
GLA
-
STL
2 stops17h 31m
American Airlines
Fri 24/719:56
STL
-
GLA
2 stops16h 59m
American Airlines
Deal found 2/6£1,080
Sat 1/811:00
GLA
-
STL
2 stops15h 37m
WestJet
Sat 22/817:23
STL
-
GLA
2 stops34h 17m
WestJet
Deal found 1/6£1,103
Sat 18/713:30
GLA
-
STL
2 stops15h 50m
Delta
Sat 25/715:57
STL
-
GLA
2 stops18h 18m
Delta
Deal found 3/6£1,104
Fri 17/708:35
GLA
-
STL
2 stops17h 28m
British Airways
Fri 24/721:35
STL
-
GLA
1 stop15h 20m
British Airways
Deal found 2/6£1,134

Find 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 6 June 2026.

Round-trip from

£698

One-way from

£632

Popular in

May

Cheapest in

February

Average price

£814
British Airways
  • British Airways
  • 30/9-4/10
  • 3 total stops
  • 29h 33m total
  • Glasgow to St. Louis
United Airlines
  • United Airlines
  • 26/7
  • 1 total stop
  • 15h 44m total
  • Glasgow to St. Louis
Highest demand for flights based on searches. 7% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£33 potential savings vs. average return price).
Average for round-trip flights in June 2026

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 6 June 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Wed 30/9

06:25-16:48

2 stops16h 23m

Lambert-St Louis

Sun 4/10

21:40-16:50

1 stop13h 10m

£698

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 2/7

06:00-20:39

2 stops20h 39m

Lambert-St Louis

Thu 30/7

15:58-16:15

2 stops18h 17m

£791

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Fri 17/7

05:50-17:21

2 stops17h 31m

Lambert-St Louis

Fri 24/7

19:56-18:55

2 stops16h 59m

£1,080

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Sat 1/8

11:00-20:37

2 stops15h 37m

Lambert-St Louis

Sat 22/8

17:23-09:40

2 stops34h 17m

£1,103

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Sat 18/7

13:30-23:20

2 stops15h 50m

Lambert-St Louis

Sat 25/7

15:57-16:15

2 stops18h 18m

£1,104
Cheapest one-way
Fastest single journey

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Sun 26/7

14:00-23:44

1 stop15h 44m

£632

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Fri 31/7

14:00-17:27

2 stops33h 27m

£850

Flights are sorted by cheapest return flights first.

Deals found on 3/6

Sorted by cheapest first

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

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 6 June 2026.
Check out reviews from past customers who have flown with 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.

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Food

6.4

Crew

7.7

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Food

6.4

Crew

7.7

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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 1 airline. 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 can get you from Glasgow Intl Airport to St. Louis in just under 16h 23m. Your travel time can differ by up to . Airlines will cover a distance of 3914 mi.

  • What is the cheapest airline to fly from Glasgow Intl Airport to St. Louis round-trip?

    British Airways, at £501, was found to be the cheapest airline from Glasgow Intl Airport to St. Louis.. British Airways is currently priced 46% 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 airline flying from Glasgow Intl to St. Louis

Discover the top airline 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 6 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£501Average£831FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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