Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow Intl Airport to St. Louis from £728

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — STL
3 Sep — 10 Sep1
1 adult

Cheap 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 29 August 2025.

Round-trip from

£728

Popular in

August

Cheapest in

December

Average price

£1,412
Delta
  • Delta
  • 1/10-8/10
  • 4 total stops
  • 34h 05m total
  • Glasgow to St. Louis
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£119 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Glasgow Intl to St. Louis

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 29 August 2025.

Wed 1/1006:00GLA - STL
2 stops16h 48mDelta
Wed 8/1008:53STL - GLA
2 stops17h 17mDelta
Deal found 27/8£728
Thu 2/1006:00GLA - STL
2 stops16h 48mKLM
Thu 9/1010:45STL - GLA
2 stops15h 25mKLM
Deal found 27/8£765
Wed 1/1006:10GLA - STL
2 stops23h 47mLufthansa
Wed 8/1015:30STL - GLA
1 stop25h 35mLufthansa
Deal found 27/8£839
Fri 10/1006:10GLA - STL
1 stop13h 20mLufthansa
Fri 17/1015:30STL - GLA
1 stop14h 50mLufthansa
Deal found 26/8£902
Fri 10/1006:00GLA - STL
2 stops16h 46mDelta
Fri 17/1015:30STL - GLA
2 stops15h 15mDelta
Deal found 26/8£916
Fri 10/1006:30GLA - STL
3 stops41h 40mMultiple Airlines
Fri 17/1016:05STL - GLA
2 stops17h 05mMultiple Airlines
Deal found 26/8£987
Thu 2/1013:10GLA - STL
1 stop30h 20mLufthansa
Thu 9/1008:05STL - GLA
2 stops22h 20mLufthansa
Deal found 27/8£1,003
Thu 28/813:55GLA - STL
2 stops24h 25mAer Lingus
Sun 31/806:00STL - GLA
2 stops21h 20mAer Lingus
Deal found 27/8£1,182
Thu 28/806:35GLA - STL
3 stops36h 57mMultiple Airlines
Sun 31/815:30STL - GLA
2 stops17h 35mMultiple Airlines
Deal found 27/8£1,296

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 29 August 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to St. Louis that are best for you.

Fly from

Glasgow Intl

Fly to

St. Louis

Route

Depart

Return

Price

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Wed 1/10

06:00-16:48

2 stops16h 48m

Lambert-St Louis

Wed 8/10

08:53-08:10

2 stops17h 17m

£728

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 2/10

06:00-16:48

2 stops16h 48m

Lambert-St Louis

Thu 9/10

10:45-08:10

2 stops15h 25m

£765

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Wed 1/10

06:10-23:57

2 stops23h 47m

Lambert-St Louis

Wed 8/10

15:30-23:05

1 stop25h 35m

£839

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Fri 10/10

06:10-13:30

1 stop13h 20m

Lambert-St Louis

Fri 17/10

15:30-12:20

1 stop14h 50m

£902

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Fri 10/10

06:00-16:46

2 stops16h 46m

Lambert-St Louis

Fri 17/10

15:30-12:45

2 stops15h 15m

£916

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Fri 10/10

06:30-18:10

3 stops41h 40m

Lambert-St Louis

Fri 17/10

16:05-15:10

2 stops17h 05m

£987

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 2/10

13:10-13:30

1 stop30h 20m

Lambert-St Louis

Thu 9/10

08:05-12:25

2 stops22h 20m

£1,003

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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

What is the cheapest time of day to fly from GLA to STL?

Find hourly flight availability from Glasgow Intl to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

It’s optimal to fly from Glasgow Intl Airport to St. Louis in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight at midday.

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 29 August 2025.
Check out reviews from past customers who have flown with KLM and 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.
KLM
7.8
Good
1,383 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.7
Okay
7,320 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 2 airlines. 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?

    Delta, KLM, and Lufthansa can get you from Glasgow Intl Airport to St. Louis in just under 16h 48m. Your travel time can differ by up to 6h 59m. Airlines will cover a distance of 3914 mi. This flight may include one or multiple stops.

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

    KLM, at £736, was found to be the cheapest airline from Glasgow Intl Airport to St. Louis. An alternate airline flying to your destination would be British Airways. KLM is currently priced 19% 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.

  • What is the cheapest month to book a flight from Glasgow Intl Airport to St. Louis?

    Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to St. Louis (average of £722). Flying from Glasgow Intl Airport to St. Louis in December is currently the most expensive (average of £1,033). 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

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 Glasgow Intl to St. Louis

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

Top 2 airlines flying from Glasgow Intl to St. Louis

Discover the top 2 airlines 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£736Average£867FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£764Average£862FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Glasgow Intl to St. Louis?

Cheapflights makes it easy to find Glasgow Intl to St. Louis 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 Glasgow Intl to St. Louis?

Cheapflights helps you find that perfect flight to St. Louis from Glasgow Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Glasgow Intl to St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Glasgow Intl to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.