Cheap flights from St. Louis to Glasgow Intl Airport from £521

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GLA
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from St. Louis to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Glasgow Intl (GLA). 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 12 September 2025.

Round-trip from

£521

Popular in

June

Cheapest in

February

Average price

£541
Lufthansa
  • Lufthansa
  • 7/10-13/10
  • 4 total stops
  • 49h 24m total
  • St. Louis to Glasgow
Highest demand for flights based on searches. 21% potential increase in price (£138 potential increase over avg. return price).
Cheapest flight prices on average. 8% potential price decrease (£39 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from St. Louis to Glasgow Intl

Cheapest flights from St. Louis to Glasgow Intl
Explore the most affordable flight options available from St. Louis to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Tue 7/1013:30STL - GLA
2 stops16h 50mMultiple Airlines
Mon 13/1013:10GLA - STL
2 stops32h 34mMultiple Airlines
Deal found 11/9£521
Thu 30/1007:16STL - GLA
2 stops22h 29mBritish Airways
Wed 5/1108:40GLA - STL
2 stops18h 20mBritish Airways
Deal found 11/9£524
Sat 25/1014:38STL - GLA
2 stops15h 07mAmerican Airlines
Sat 1/1106:35GLA - STL
2 stops17h 55mAmerican Airlines
Deal found 10/9£558
Fri 26/916:10STL - GLA
2 stops25h 00mKLM
Thu 9/1006:00GLA - STL
2 stops16h 43mKLM
Deal found 10/9£584
Sat 25/1017:28STL - GLA
2 stops37h 37mLufthansa
Sat 1/1113:10GLA - STL
1 stop30h 45mLufthansa
Deal found 10/9£683
Mon 20/1014:15STL - GLA
2 stops13h 50mBritish Airways
Mon 27/1011:35GLA - STL
2 stops17h 14mBritish Airways
Deal found 11/9£690
Thu 23/1014:15STL - GLA
2 stops14h 00mBritish Airways
Mon 27/1011:35GLA - STL
2 stops17h 14mBritish Airways
Deal found 11/9£726
Fri 26/915:30STL - GLA
1 stop25h 20mLufthansa
Thu 9/1013:10GLA - STL
1 stop30h 20mLufthansa
Deal found 10/9£962
Sat 25/1019:15STL - GLA
3 stops31h 35mMultiple Airlines
Sat 1/1112:35GLA - STL
3 stops27h 27mMultiple Airlines
Deal found 10/9£972
Fri 10/1014:15STL - GLA
2 stops13h 20mBritish Airways
Fri 17/1005:50GLA - STL
2 stops15h 55mBritish Airways
Deal found 10/9£1,018

Cheapflights Fare Finder

 
Customise your flight search to find flights from St. Louis to Glasgow Intl 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 12 September 2025.
Use the filters below to find and compare flights from St. Louis to Glasgow Intl Airport that are best for you.

Fly from

St. Louis

Fly to

Glasgow Intl

Route

Depart

Return

Price

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Tue 7/10

13:30-12:20

2 stops16h 50m

Glasgow Intl

Mon 13/10

13:10-15:44

2 stops32h 34m

£521

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Thu 30/10

07:16-10:45

2 stops22h 29m

Glasgow Intl

Wed 5/11

08:40-21:00

2 stops18h 20m

£524

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sat 25/10

14:38-11:45

2 stops15h 07m

Glasgow Intl

Sat 1/11

06:35-19:30

2 stops17h 55m

£558

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Fri 26/9

16:10-23:10

2 stops25h 00m

Glasgow Intl

Thu 9/10

06:00-16:43

2 stops16h 43m

£584

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sat 25/10

17:28-13:05

2 stops37h 37m

Glasgow Intl

Sat 1/11

13:10-14:55

1 stop30h 45m

£683

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Mon 20/10

14:15-10:05

2 stops13h 50m

Glasgow Intl

Mon 27/10

11:35-23:49

2 stops17h 14m

£690

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Mon 27/10

19:54-14:30

2 stops13h 36m

Glasgow Intl

Mon 3/11

11:35-22:58

2 stops17h 23m

£690

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Thu 23/10

14:15-10:15

2 stops14h 00m

Glasgow Intl

Mon 27/10

11:35-23:49

2 stops17h 14m

£726

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Fri 26/9

15:30-22:50

1 stop25h 20m

Glasgow Intl

Thu 9/10

13:10-13:30

1 stop30h 20m

£962

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sat 25/10

19:15-08:50

3 stops31h 35m

Glasgow Intl

Sat 1/11

12:35-11:02

3 stops27h 27m

£972

Flights are sorted by cheapest return flights first.

Deals found on 11/9

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

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from St. Louis 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.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Glasgow Intl. 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 from for flights from St. Louis to Glasgow Intl?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Glasgow Intl from St. Louis. Booking flights from Lambert-St Louis (STL) to Glasgow Intl should be relatively easy as there are 0 daily outbound flights to Glasgow Intl from 0 different airlines.

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

    British Airways, American Airlines, and KLM can get you from St. Louis to Glasgow Intl Airport in just under 15h 07m. Your travel time can differ by up to 9h 53m. The distance from St. Louis to Glasgow Intl Airport is about 3914 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Glasgow Intl 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 St. Louis to Glasgow Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Glasgow Intl Airport (average of £97). Flying from St. Louis to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Dunoon
Largs
Renfrew
Kilmarnock
Dumbarton
Clydebank
East Kilbride
Arrochar
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

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Alternative routes for St. Louis to Glasgow Intl

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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Glasgow Intl?

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