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Cheap flights from St. Louis to Grenada from $623

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Grenada departing on 3/28. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:13 pm - 2:23 pm
STL
-
GND
21h 10m
2 stops
American Airlines Logo
3:23 pm - 3:28 pm
GND
-
STL
25h 05m
2 stops
$623American Airlines
Sat, Mar 28 - Sun, Apr 5
American Airlines Logo
6:20 pm - 2:23 pm
STL
-
GND
19h 03m
1 stop
American Airlines Logo
3:23 pm - 11:58 pm
GND
-
STL
9h 35m
1 stop
$631American Airlines
Sat, Mar 28 - Sun, Apr 5
Air Canada Logo
6:55 pm - 3:30 pm
STL
-
GND
42h 35m
2 stops
Air Canada Logo
4:30 pm - 8:26 pm
GND
-
STL
29h 56m
2 stops
$1,086Air Canada
Mon, Feb 23 - Thu, Feb 26
Air Canada Logo
6:55 pm - 3:30 pm
STL
-
GND
42h 35m
2 stops
Air Canada Logo
4:30 pm - 3:29 pm
GND
-
STL
24h 59m
1 stop
$1,100Air Canada
Mon, Feb 23 - Thu, Feb 26

Air Canada flights from St. Louis to Grenada

Our best Air Canada deals on St. Louis to Grenada flight tickets
Air Canada
Feb 23
STL6:55 pmLambert-St Louis
42h 35m
2 stops
GND3:30 pmSt. George's Point Saline Intl
Feb 26
GND4:30 pmSt. George's Point Saline Intl
29h 56m
2 stops
STL8:26 pmLambert-St Louis
$1,086
Air Canada
Feb 23
STL6:55 pmLambert-St Louis
42h 35m
2 stops
GND3:30 pmSt. George's Point Saline Intl
Feb 26
GND4:30 pmSt. George's Point Saline Intl
24h 59m
1 stop
STL3:29 pmLambert-St Louis
$1,100

American Airlines flights from St. Louis to Grenada

Our best American Airlines deals on St. Louis to Grenada flight tickets
American Airlines
Mar 28
STL4:13 pmLambert-St Louis
21h 10m
2 stops
GND2:23 pmSt. George's Point Saline Intl
Apr 5
GND3:23 pmSt. George's Point Saline Intl
25h 05m
2 stops
STL3:28 pmLambert-St Louis
$623
American Airlines
Mar 28
STL6:20 pmLambert-St Louis
19h 03m
1 stop
GND2:23 pmSt. George's Point Saline Intl
Apr 5
GND3:23 pmSt. George's Point Saline Intl
9h 35m
1 stop
STL11:58 pmLambert-St Louis
$631

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Grenada 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 832,500 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from St. Louis to Grenada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSt. George's

STL - GND

STLGND

Lambert-St Louis

Sat 3/28

4:13 pm-2:23 pm

2 stops21h 10m

St. George's Point Saline Intl

Sun 4/5

3:23 pm-3:28 pm

2 stops25h 05m

$623

St. LouisSt. George's

STL - GND

STLGND

Lambert-St Louis

Sat 3/28

6:20 pm-2:23 pm

1 stop19h 03m

St. George's Point Saline Intl

Sun 4/5

3:23 pm-11:58 pm

1 stop9h 35m

$631

St. LouisSt. George's

STL - GND

STLGND

Lambert-St Louis

Mon 2/23

6:55 pm-3:30 pm

2 stops42h 35m

St. George's Point Saline Intl

Thu 2/26

4:30 pm-8:26 pm

2 stops29h 56m

$1,086

St. LouisSt. George's

STL - GND

STLGND

Lambert-St Louis

Mon 2/23

6:55 pm-3:30 pm

2 stops42h 35m

St. George's Point Saline Intl

Thu 2/26

4:30 pm-3:29 pm

1 stop24h 59m

$1,100

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap St. Louis to Grenada flight deals and tips

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

Fastest flight time

7h 27m

Direct flights

None
The fastest flight from St. Louis to Grenada takes 7h 27m
There are no direct flights from St. Louis to Grenada. There are no popular flight routes from St. Louis to Grenada.
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  • When did momondo last update prices for flights from Lambert-St Louis Airport to Grenada?

    Prices for flights from Lambert-St Louis Airport to Grenada are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Grenada.

  • What documentation or ID do you need to fly to Grenada?

    The necessary travel and health documents for your Grenada trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Grenada

Compare and see reviews for airlines that fly from St. Louis to Grenada with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $592Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights

  • How do I get Price Alerts for flights from St. Louis to Grenada?

    Search flight deals from St. Louis to Grenada. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from St. Louis to Grenada with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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

It is quick and easy to find St. Louis to Grenada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Grenada that suits you.

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

Flights from St. Louis to Grenada with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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