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Cheap flights from Glasgow to St. Louis from £535

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — STL
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) 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 October 2025.

Round-trip from

£640

One-way from

£535

Popular in

August

Cheapest in

December

Average price

£982
American Airlines
  • American Airlines
  • 26/2-2/3
  • 4 total stops
  • 34h 39m total
  • Glasgow to St. Louis
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Aer Lingus
  • Aer Lingus
  • 25/11
  • 2 total stops
  • 32h 54m total
  • Glasgow to St. Louis
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Highest demand for flights based on searches. 12% potential increase in price (£105 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£41 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Glasgow to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow to St. Louis
Explore the most affordable flight options available from Glasgow to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Fri 12/1210:40GLA - STL
2 stops19h 19mMultiple Airlines
Fri 19/1213:54STL - GLA
2 stops20h 06mMultiple Airlines
Deal found 28/10£941

Cheapflights Fare Finder

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

Fly from

Glasgow

Fly to

St. Louis

Route

Depart

Return

Price

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 26/2

06:35-18:03

2 stops17h 28m

Lambert-St Louis

Mon 2/3

11:34-10:45

2 stops17h 11m

£640

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Fri 12/12

10:40-23:59

2 stops19h 19m

Lambert-St Louis

Fri 19/12

13:54-16:00

2 stops20h 06m

£941

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Tue 25/11

20:10-23:04

2 stops32h 54m

£535

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Tue 25/11

13:10-13:55

1 stop30h 45m

£646

Flights are sorted by cheapest return flights first.

Deals found on 28/10

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

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

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

Currently, March is the cheapest month in which you can book a flight from Glasgow to St. Louis (average of £524). Flying from Glasgow to St. Louis in August is currently the most expensive (average of £833). 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.

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

Find hourly flight availability from Glasgow 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 October 2025.

It’s optimal to fly from Glasgow to St. Louis in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at midday.

How much does it cost for a return flight from Glasgow to St. Louis?

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 October 2025.
Check out reviews from past customers who have flown with KLM and British Airways from Glasgow 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
7.7
Good
1,406 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,483 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.7

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Glasgow 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?

    If you book a flight to St. Louis from Glasgow, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Glasgow to Lambert-St Louis per day from 6 different airlines.

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

    Departing from Glasgow to St. Louis will take you 17h 28m. Airlines will cover a distance of 3914 mi.

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

    Currently priced at £725, British Airways will fly you from Glasgow to St. Louis and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on KLM for as low as £747. British Airways is priced at 23% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Glasgow to St. Louis (average of £524). Flying from Glasgow to St. Louis in August is currently the most expensive (average of £833). 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

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Alternative routes for Glasgow to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Glasgow to St. Louis

Discover the top 6 airlines that operate flights from Glasgow 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 October 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£530Average£697FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£649Average£826FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£720Average£872FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£734Average£844FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£737Average£839FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£744Average£908FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

When you search for this flight from Glasgow to St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Glasgow to St. Louis for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Glasgow 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 to St. Louis become cheaper?

Of course! You can now track prices for flights from Glasgow to St. Louis 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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