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Cheap flights from St. Louis to Glasgow Intl Airport from £303

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GLA
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Glasgow Intl

Enter your travel dates to find the best prices.

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 5 December 2025.

Mon 15/1214:04STL - GLA
2 stops14h 41mMultiple Airlines
Mon 22/1211:35GLA - STL
2 stops17h 21mMultiple Airlines
Deal found 3/12£1,034
Thu 4/1218:53STL - GLA
2 stops14h 17mBritish Airways
Thu 11/1211:30GLA - STL
2 stops16h 55mBritish Airways
Deal found 3/12£1,128
Mon 8/1213:59STL - GLA
2 stops13h 51mBritish Airways
Wed 10/1210:55GLA - STL
2 stops15h 29mBritish Airways
Deal found 4/12£1,246
Sat 6/1214:09STL - GLA
2 stops14h 36mMultiple Airlines
Mon 8/1211:35GLA - STL
2 stops17h 12mMultiple Airlines
Deal found 2/12£1,338
Thu 18/1211:51STL - GLA
3 stops26h 14mMultiple Airlines
Sun 21/1220:20GLA - STL
2 stops25h 09mMultiple Airlines
Deal found 4/12£1,841
Wed 3/1213:00STL - GLA
2 stops13h 50mMultiple Airlines
Wed 10/1210:55GLA - STL
2 stops15h 29mMultiple Airlines
Deal found 3/12£4,338
Thu 4/1214:54STL - GLA
2 stops13h 51mBritish Airways
Wed 10/1220:25GLA - STL
2 stops33h 13mBritish Airways
Deal found 3/12£6,558

Find 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 5 December 2025.

Round-trip from

£415

One-way from

£303

Popular in

June

Cheapest in

November

Average price

£868
British Airways
  • British Airways
  • 21/1-27/1
  • 4 total stops
  • 31h 57m total
  • St. Louis to Glasgow
Search Deals
United Airlines
  • United Airlines
  • 13/5
  • 2 total stops
  • 19h 20m total
  • St. Louis to Glasgow
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£151 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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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 5 December 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

Wed 21/1

18:44-15:50

2 stops15h 06m

Glasgow Intl

Tue 27/1

07:25-18:16

2 stops16h 51m

£415

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sat 17/1

12:06-09:25

2 stops15h 19m

Glasgow Intl

Sat 24/1

08:40-22:44

2 stops20h 04m

£453

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Tue 28/4

11:14-09:40

2 stops16h 26m

Glasgow Intl

Sun 10/5

10:05-19:30

1 stop15h 25m

£462

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sat 28/3

13:36-12:20

2 stops17h 44m

Glasgow Intl

Wed 8/4

09:25-20:03

2 stops16h 38m

£475

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sun 12/4

15:30-16:40

1 stop19h 10m

Glasgow Intl

Sat 18/4

17:25-21:03

2 stops33h 38m

£503

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sun 29/3

15:30-16:40

1 stop19h 10m

Glasgow Intl

Wed 8/4

09:40-22:59

2 stops19h 19m

£513

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sun 29/3

15:30-16:40

1 stop19h 10m

Glasgow Intl

Tue 7/4

17:25-13:30

1 stop26h 05m

£520

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sun 12/4

09:15-13:15

2 stops22h 00m

Glasgow Intl

Sat 18/4

21:15-23:24

2 stops32h 09m

£531

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Wed 13/5

08:50-10:10

2 stops19h 20m

£303

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Wed 13/5

22:00-23:15

1 stop19h 15m

£304

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 13 results
1
2

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 Lufthansa can get you from St. Louis to Glasgow Intl Airport in just under 15h 06m. Your travel time can differ by up to 4h 04m. 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.

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
Arrochar
Clydebank
East Kilbride
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Glasgow Intl

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find St. Louis to Glasgow Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Glasgow Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from St. Louis to Glasgow Intl with no change fees.

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

Of course! You can now track prices for flights from St. Louis to Glasgow Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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