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

American Airlines can get you from Glasgow Intl Airport to St. Louis in just under 18h 02m. Your travel time can differ by up to . Airlines will cover a distance of 3914 mi.

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

British Airways, at £707, was found to be the cheapest airline from Glasgow Intl Airport to St. Louis. An alternate airline flying to your destination would be KLM. British Airways is currently priced 23% below the average price you’ll pay for this route.

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.

What is the cheapest day to fly from Glasgow Intl Airport to St. Louis?

Travellers seeking maximum savings on their Glasgow Intl Airport to St. Louis flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

If weather is an important factor for your trip to St. Louis, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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.

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.

£758+ Flights from Glasgow Intl Airport to St. Louis

Cheap flight deals from Glasgow Intl to St. Louis

Round-trip from	£758
Popular in	August
Cheapest in	December
Average price	£820

American Airlines
26/2-2/3
4 total stops
32h 05m total
Glasgow to St. Louis

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£107 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£40 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Glasgow Intl to St. Louis

Best flights from Glasgow Intl to St. Louis
Discover carefully curated flight deals from Glasgow Intl to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Thu 26/211:30GLA - STL

2 stops18h 02mAmerican Airlines

Mon 2/314:42STL - GLA

2 stops14h 03mAmerican Airlines

Deal found 15/9£758

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 26/2

11:30-23:32

2 stops18h 02m

Lambert-St Louis

Mon 2/3

14:42-10:45

2 stops14h 03m

£758

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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?

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

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

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,367 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

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?
American Airlines can get you from Glasgow Intl Airport to St. Louis in just under 18h 02m. Your travel time can differ by up to . Airlines will cover a distance of 3914 mi.
What are the cheapest airlines flying from Glasgow Intl Airport to St. Louis round-trip?
British Airways, at £707, was found to be the cheapest airline from Glasgow Intl Airport to St. Louis. An alternate airline flying to your destination would be KLM. British Airways is currently priced 23% 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

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Alternative routes for Glasgow Intl to St. Louis

Glasgow Intl to Kansas City flights

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Lambert-St Louis Airport car hire

Springfield Capital Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Central West End car hire

Midtown car hire

Soulard car hire

Direct flights to United States

Top 2 airlines flying from Glasgow Intl to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£707	Average£854	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£728	Average£858	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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.

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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.

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Cheap flights from Glasgow Intl Airport to St. Louis from £758

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Glasgow Intl to St. Louis

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Glasgow Intl to St. Louis

Best flights from Glasgow Intl to St. LouisDiscover carefully curated flight deals from Glasgow Intl to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Discover carefully curated flight deals from Glasgow Intl to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Cheapflights Fare Finder

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

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.

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?

Reviews of airlines servicing St. Louis

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.

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?

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

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

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

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

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

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

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.

Top 2 airlines flying from Glasgow Intl to St. Louis

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

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

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

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

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Best flights from Glasgow Intl to St. Louis
Discover carefully curated flight deals from Glasgow Intl to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.