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Cheap flights from Glasgow Intl Airport to St. Louis from £640

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to St. Louis departing on 26/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Glasgow Intl Airport to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
08:40 - 21:44GLA-STL
19h 04m2 stops
American Airlines Logo
16:44 - 13:05STL-GLA
14h 21m2 stops
£640American Airlines
Find Deal
Thu, 26 Feb - Mon, 2 Mar
British Airways Logo
08:15 - 18:41GLA-STL
16h 26m2 stops
British Airways Logo
18:45 - 15:10STL-GLA
14h 25m2 stops
£1,213British Airways
Find Deal
Fri, 14 Nov - Fri, 21 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Glasgow Intl Airport 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, momondo users made 279,928 searches. Data last updated 20 October 2025.
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

08:40-21:44

2 stops19h 04m

Lambert-St Louis

Mon 2/3

16:44-13:05

2 stops14h 21m

£640

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Fri 14/11

08:15-18:41

2 stops16h 26m

Lambert-St Louis

Fri 21/11

18:45-15:10

2 stops14h 25m

£1,213

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to St. Louis from

How to get the cheapest flight ticket from Glasgow Intl Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Wednesday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £542. Flights from Glasgow Intl Airport to St. Louis on a Thursday will generally be more expensive and average around £978. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. Louis?

Our data shows that the cheapest Glasgow Intl Airport to St. Louis flights are usually those with departure times in the morning. Our users have found flights to St. Louis in the morning for as low as £776. In contrast, the most expensive time of day to depart to St. Louis is at midday when prices are around £844.

When to book flights from Glasgow Intl Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Glasgow Intl Airport to St. Louis (GLA to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to St. Louis

Direct flights

None
There are no direct flights from Glasgow Intl Airport to St. Louis. There are no popular flight routes from Glasgow Intl Airport to St. Louis.
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  • How far is Glasgow Intl to Lambert-St Louis by plane?

    A flight from Glasgow Intl to Lambert-St Louis will travel around 3914.4 mi. Flights usually cover this in 16h 26m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Glasgow Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Glasgow Intl Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Glasgow Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Glasgow Intl Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Glasgow Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Glasgow Intl Airport to St. Louis?

Best airlines flying from Glasgow Intl Airport to St. Louis

Compare and see reviews for airlines that fly from Glasgow Intl Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £718Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
KLMPriceFrom £740Free CancellationRating
7.7
1,404 reviews
Search KLM flights

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Collinsville

Why use momondo?

Why should I use momondo to find a flight deal from Glasgow to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Glasgow to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Glasgow to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Glasgow which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Glasgow to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Glasgow. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Glasgow to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Glasgow. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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