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Cheap flights from St. Louis to Glasgow Intl Airport from £509

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GLA
31 Mar — 7 Apr1
1 adult

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 26 March 2025.

Round-trip from

£509

Popular in

June

Cheapest in

February

Average price

£549
British Airways
  • British Airways
  • 21/4-28/4
  • 4 total stops
  • 44h 10m total
  • St. Louis to Glasgow
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£137 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£42 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 26 March 2025.

Mon 21/417:27STL - GLA
2 stops16h 58mBritish Airways
Mon 28/420:50GLA - STL
2 stops27h 12mBritish Airways
Deal found 24/3£509
Wed 17/914:01STL - GLA
2 stops21h 49mFinnair
Wed 1/1017:40GLA - STL
2 stops30h 41mFinnair
Deal found 25/3£601
Fri 19/917:30STL - GLA
2 stops23h 20mLufthansa
Fri 3/1006:10GLA - STL
1 stop13h 20mLufthansa
Deal found 25/3£607
Wed 17/916:05STL - GLA
2 stops25h 00mMultiple Airlines
Wed 1/1006:10GLA - STL
1 stop13h 20mMultiple Airlines
Deal found 25/3£621

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 26 March 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

Mon 21/4

17:27-16:25

2 stops16h 58m

Glasgow Intl

Mon 28/4

20:50-18:02

2 stops27h 12m

£509

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Wed 17/9

14:01-17:50

2 stops21h 49m

Glasgow Intl

Wed 1/10

17:40-18:21

2 stops30h 41m

£601

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Fri 19/9

17:30-22:50

2 stops23h 20m

Glasgow Intl

Fri 3/10

06:10-13:30

1 stop13h 20m

£607

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Wed 17/9

16:05-23:05

2 stops25h 00m

Glasgow Intl

Wed 1/10

06:10-13:30

1 stop13h 20m

£621

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 time of day to fly from STL to GLA?

Find hourly flight availability from St. Louis to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2025.

One of the essential ways to save on airfare from St. Louis to Glasgow Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 22% on airfare.

Rainfall in Glasgow Intl by month

Plan your trip to Glasgow Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

Temperature in Glasgow Intl by month

Plan your trip to Glasgow Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Glasgow Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. 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 Glasgow Intl. Reviews last updated 26 March 2025.
Finnair
7.6
Good
1,266 reviews
Check prices

Entertainment

6.9

Crew

8.1

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,266 reviews
Finnair
7.6
Good
1,266 reviews
Check prices

Entertainment

6.9

Crew

8.1

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Lufthansa
6.7
Okay
6,950 reviews
Finnair
7.6
Good
1,266 reviews
Check prices

Entertainment

6.9

Crew

8.1

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
British Airways
6.6
Okay
6,712 reviews
Finnair
7.6
Good
1,266 reviews
Check prices

Entertainment

6.9

Crew

8.1

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

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.

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

    British Airways, at £509, was found to be the cheapest airline from St. Louis to Glasgow Intl Airport.Alternate airlines flying return to your destination include Finnair and Lufthansa. Users have found that British Airways is 30% cheaper than the other options available to this destination.

  • 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, January 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Paisley
East Kilbride
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Dumbarton
Arrochar
Dunoon
Largs
Renfrew
Balloch
Ballachulish
Inveraray
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Rothesay
Helensburgh
Alexandria
Tarbert

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

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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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