Grand Cayman

$337+ Cheap flights from St. Louis (STL) to Grand Cayman

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GCM
Apr 11 — Apr 181
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Cheap flight deals from St. Louis to Grand Cayman

Cheapest flights from St. Louis to Grand Cayman
Explore the most affordable flight options available from St. Louis to Grand Cayman. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 am
STL
-
GCM
1 stop6h 00m
Delta
Tue 4/281:25 pm
GCM
-
STL
1 stop7h 54m
Delta
Deal found 3/7$337
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:54 pm
STL
-
GCM
2 stops16h 06m
American Airlines
Fri 5/2212:33 pm
GCM
-
STL
1 stop6h 27m
American Airlines
Deal found 3/9$342
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:53 pm
STL
-
GCM
1 stop16h 38m
American Airlines
Sat 5/24:03 pm
GCM
-
STL
1 stop16h 27m
American Airlines
Deal found 3/8$362
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:24 am
STL
-
GCM
1 stop5h 36m
American Airlines
Thu 5/1412:00 pm
GCM
-
STL
2 stops20h 30m
American Airlines
Deal found 3/9$442
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
STL
-
GCM
1 stop6h 30m
United Airlines
Thu 5/141:35 pm
GCM
-
STL
1 stop8h 55m
United Airlines
Deal found 3/9$447
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
STL
-
GCM
1 stop5h 54m
Delta
Tue 6/21:19 pm
GCM
-
STL
1 stop10h 40m
Delta
Deal found 3/11$468
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 am
STL
-
GCM
1 stop6h 30m
United Airlines
Fri 5/221:35 pm
GCM
-
STL
2 stops19h 06m
United Airlines
Deal found 3/9$472
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:55 pm
STL
-
GCM
1 stop16h 36m
American Airlines
Fri 4/172:10 pm
GCM
-
STL
1 stop8h 14m
American Airlines
Deal found 3/10$492

Find flight deals from St. Louis to Grand Cayman

Keep the following information in mind while searching for St. Louis to Grand Cayman flight deals. Data was last updated March 12, 2026.

Round-trip from

$337
(Delta)

Popular in

December

Cheapest in

September

Average price

$638
From Lambert-St Louis to Grand Cayman
Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Grand Cayman 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 2,558,603 searches. Data last updated March 12, 2026.
Use the filters below to find and compare flights from St. Louis to Grand Cayman that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Tue 4/21

6:00 am-12:00 pm

1 stop6h 00m

George Town Owen Roberts Intl

Tue 4/28

1:25 pm-9:19 pm

1 stop7h 54m

$337

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Tue 4/21

5:53 pm-11:00 am

2 stops17h 07m

George Town Owen Roberts Intl

Tue 4/28

12:00 pm-10:24 pm

1 stop10h 24m

$342

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Sat 4/18

6:11 pm-11:31 am

2 stops17h 20m

George Town Owen Roberts Intl

Sat 5/2

2:10 pm-8:30 am

2 stops18h 20m

$367

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Sun 5/10

5:21 pm-11:31 am

2 stops18h 10m

George Town Owen Roberts Intl

Thu 5/14

2:10 pm-8:30 am

2 stops18h 20m

$442

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Sun 5/10

6:00 am-12:30 pm

1 stop6h 30m

George Town Owen Roberts Intl

Thu 5/14

1:35 pm-10:30 pm

1 stop8h 55m

$447

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Wed 4/22

6:30 am-12:45 pm

1 stop6h 15m

George Town Owen Roberts Intl

Fri 4/24

1:35 pm-10:27 pm

1 stop8h 52m

$467

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Sun 5/17

6:54 pm-11:31 am

1 stop16h 37m

George Town Owen Roberts Intl

Fri 5/22

12:33 pm-11:44 pm

1 stop11h 11m

$467

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Sun 5/17

6:00 am-12:30 pm

1 stop6h 30m

George Town Owen Roberts Intl

Fri 5/22

1:35 pm-8:41 am

2 stops19h 06m

$472

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Tue 4/21

6:00 am-12:30 pm

1 stop6h 30m

George Town Owen Roberts Intl

Tue 4/28

1:35 pm-8:25 am

2 stops18h 50m

$472

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Sun 5/17

6:00 am-11:54 am

1 stop5h 54m

George Town Owen Roberts Intl

Fri 5/22

1:19 pm-11:59 pm

1 stop10h 40m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Sorted by cheapest first

Best time to book a flight from St. Louis to Grand Cayman

Have a flexible travel schedule? Discover the best time to fly to Grand Cayman from St. Louis with our price prediction graph.
Estimated round-trip 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 St. Louis to Grand Cayman

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

Currently, August is the cheapest month in which you can book a flight from St. Louis to Grand Cayman (average of $248). Flying from St. Louis to Grand Cayman in June is currently the most expensive (average of $540). 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.

Reviews of airlines servicing Grand Cayman

Get insights into the airlines that provide service to Grand Cayman. 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 Grand Cayman. Reviews last updated March 12, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to Grand Cayman have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Grand Cayman. 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 from for flights from St. Louis to Grand Cayman?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Grand Cayman. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    For as low as $337, Delta can have you in Grand Cayman from St. Louis in 6h. Airlines will cover a distance of 1448 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Yes. In addition to deals on St. Louis to Grand Cayman flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Grand Cayman?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Grand Cayman.

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

    Yes. Cheapflights offers flight deals from St. Louis to Grand Cayman 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 St. Louis to Grand Cayman?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Grand Cayman (average of $248). Flying from St. Louis to Grand Cayman in June is currently the most expensive (average of $540). 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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Complete your trip

Complete your trip to Grand Cayman by adding a car rental and/or hotel reservation to your travel itinerary.

Top 4 airlines flying from St. Louis to Grand Cayman

Discover the top 4 airlines that operate flights from St. Louis to Grand Cayman. 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 2,558,603 searches. Data last updated March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$190Average$597FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$364Average$625FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$429Average$585FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$446Average$610FlexibilityNo cancel feeOn-time71%

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