$120 Cheap Flights from St. Louis (STL) to George Town (GCM)

View $120 flight on Sat, Oct 11, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Owen Roberts Intl. Airport (GCM)

Cheap Flights from St. Louis to George Town (STL-GCM)

Prices were available within the past 7 days and start at $120 for one-way flights and $344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Oct 26 - Thu, Nov 13
STL
St. Louis
GCM
Grand Cayman
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Oct 26 from St. Louis to Grand Cayman, returning Thu, Nov 13, priced at $344 found 1 day ago
United
Mon, Dec 1 - Fri, Dec 5
STL
St. Louis
GCM
Grand Cayman
$345 Roundtrip, found 1 day ago
$345
Roundtrip
found 1 day ago
Select United flight, departing Mon, Dec 1 from St. Louis to Grand Cayman, returning Fri, Dec 5, priced at $345 found 1 day ago
American Airlines
Sat, Oct 11 - Wed, Oct 15
STL
St. Louis
GCM
Grand Cayman
$348 Roundtrip, found 1 day ago
$348
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from St. Louis to Grand Cayman, returning Wed, Oct 15, priced at $348 found 1 day ago
American Airlines
Sat, Oct 11 - Wed, Oct 15
STL
St. Louis
GCM
Grand Cayman
$351 Roundtrip, found 1 day ago
$351
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from St. Louis to Grand Cayman, returning Wed, Oct 15, priced at $351 found 1 day ago
American Airlines
Fri, Oct 17 - Fri, Oct 24
STL
St. Louis
GCM
Grand Cayman
$354 Roundtrip, found 1 day ago
$354
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 17 from St. Louis to Grand Cayman, returning Fri, Oct 24, priced at $354 found 1 day ago
American Airlines
Sat, Oct 18 - Fri, Oct 24
STL
St. Louis
GCM
Grand Cayman
$355 Roundtrip, found 2 days ago
$355
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 18 from St. Louis to Grand Cayman, returning Fri, Oct 24, priced at $355 found 2 days ago
American Airlines
Sat, Oct 11 - Wed, Oct 15
STL
St. Louis
GCM
Grand Cayman
$358 Roundtrip, found 1 day ago
$358
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from St. Louis to Grand Cayman, returning Wed, Oct 15, priced at $358 found 1 day ago
American Airlines
Sat, Sep 6 - Fri, Sep 12
STL
St. Louis
GCM
Grand Cayman
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Sep 6 from St. Louis to Grand Cayman, returning Fri, Sep 12, priced at $359 found 3 days ago
Southwest Airlines
Sun, Nov 9 - Fri, Nov 14
STL
St. Louis
GCM
Grand Cayman
$403 Roundtrip, found 4 days ago
$403
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sun, Nov 9 from St. Louis to Grand Cayman, returning Fri, Nov 14, priced at $403 found 4 days ago
Air Canada
Wed, Nov 26 - Fri, Nov 28
STL
St. Louis
GCM
Grand Cayman
$488 Roundtrip, found 12 hours ago
$488
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Wed, Nov 26 from St. Louis to Grand Cayman, returning Fri, Nov 28, priced at $488 found 12 hours ago

Find the cheapest month to fly from St. Louis (STL) to George Town (GCM)

September is typically the cheapest month to fly

From $366 - $1,120 per traveler.

Graph displaying average flight prices per month

Flights from St. Louis (STL) to George Town (GCM)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Owen Roberts Intl.
Airlines serving
Air Canada, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$343
Distance
1447 mi

St. Louis to George Town Flights

The cheapest times to fly from St. Louis to George Town

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to George Town are during the month of October. You can find some of the cheapest flights from St. Louis to George Town with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to George Town

Sunday is one of the best days to book for cheap flights from St. Louis to George Town: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to George Town

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to George Town in 2025. You can also book with separate airlines for your outbound and return journeys, from $120 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to George Town flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to George Town airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Owen Roberts Intl. Airport (GCM) cost?
Discover the latest flight deals from STL to GCM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to GCM?
The cheapest flights from STL to GCM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to GCM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to GCM. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Owen Roberts Intl. Airport (GCM)?
There are no daily direct flights departing from Lambert-St. Louis Intl. Airport (STL) to Owen Roberts Intl. Airport (GCM). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from STL to GCM?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Owen Roberts Intl. Airport (GCM)?
To reach Owen Roberts Intl. Airport (GCM) on time, select a flight that takes off from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Owen Roberts Intl. Airport (GCM) last-minute?
Last-minute fares from STL to GCM are usually more expensive. To lock in the lowest prices, start looking for flights early. That said, if your travel plans are flexible, you may score a cheap fare right before your journey.
Is it cheaper to book a STL to GCM flight and hotel package?
You'll typically save money by securing a STL to GCM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Owen Roberts Intl. Airport (GCM)?
If you reserved your STL to GCM flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.