Find flights
When to book
FAQs

Cheap flights from St. Louis to Glasgow Intl Airport from £285

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GLA
8 Sep — 15 Sep1
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 9 August 2026.

Wed 21/1021:35 -
1 stop14h 15m
Wed 4/1111:40 -
2 stops16h 34m
Deal found 4/8£691
Wed 23/913:25 -
2 stops14h 55m
Tue 29/907:00 -
2 stops15h 48m
Deal found 7/8£705
Tue 22/913:25 -
2 stops15h 05m
Tue 29/908:35 -
2 stops19h 09m
Deal found 8/8£705
Tue 22/908:20 -
1 stop19h 50m
Tue 29/914:00 -
1 stop13h 09m
Deal found 8/8£706
Sun 13/921:40 -
1 stop15h 05m
Thu 24/909:40 -
2 stops17h 04m
Deal found 7/8£711
Sun 13/908:20 -
1 stop19h 50m
Thu 24/914:00 -
1 stop13h 09m
Deal found 7/8£712
Sun 13/911:09 -
2 stops16h 41m
Thu 24/908:35 -
2 stops18h 09m
Deal found 7/8£714

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 9 August 2026.

Round-trip from

£705

One-way from

£285

Popular in

December

Cheapest in

April

Average price

£802
British Airways
  • British Airways
  • 23/9-29/9
  • 4 total stops
  • 30h 43m total
  • St. Louis to Glasgow
Search Deals
6/9
  • 6/9
  • 3 total stops
  • 42h 17m total
  • St. Louis to Glasgow
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Wed 23/9

10:53-10:10

2 stops17h 17m

Glasgow Intl

Tue 29/9

14:00-21:09

1 stop13h 09m

£705

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Sun 13/9

21:40-18:45

1 stop15h 05m

Glasgow Intl

Thu 24/9

09:40-20:44

2 stops17h 04m

£711
Fastest return journey

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Tue 22/9

12:28-10:10

1 stop15h 42m

Glasgow Intl

Tue 29/9

14:00-21:09

1 stop13h 09m

£712

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Sun 13/9

08:20-10:10

1 stop19h 50m

Glasgow Intl

Thu 24/9

14:00-21:09

1 stop13h 09m

£712

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Tue 22/9

17:59-16:10

2 stops16h 11m

Glasgow Intl

Wed 30/9

06:00-17:40

2 stops17h 40m

£721

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Mon 14/9

08:20-10:10

1 stop19h 50m

Glasgow Intl

Mon 21/9

14:00-20:47

1 stop12h 47m

£747

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Thu 24/9

11:21-08:25

2 stops15h 04m

Glasgow Intl

Wed 30/9

06:00-19:58

2 stops19h 58m

£758

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Mon 21/9

17:30-10:10

2 stops34h 40m

Glasgow Intl

Mon 28/9

14:00-12:40

2 stops28h 40m

£759
Cheapest one-way

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Sun 6/9

19:58-20:15

3 stops42h 17m

£285

St. LouisGlasgow

STL Lambert-St Louis - GLA Glasgow Intl

STLGLA

Lambert-St Louis

Wed 23/9

14:00-13:25

3 stops17h 25m

£321

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 16 resultsSorted by cheapest first
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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Glasgow Intl Airport

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 £473). Flying from St. Louis to Glasgow Intl Airport in December is currently the most expensive (average of £1,005). 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.

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?

    United Airlines and Finnair can get you from St. Louis to Glasgow Intl Airport in just under 15h 05m. Your travel time can differ by up to 2h 12m. 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 £473). Flying from St. Louis to Glasgow Intl Airport in December is currently the most expensive (average of £1,005). 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
Kilmarnock
Dunoon
Arrochar
Dumbarton
East Kilbride
Clydebank
Helensburgh
Largs
Renfrew
Inveraray
Rothesay
Alexandria
Glencoe
Balloch

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.