$795+ Cheap flights from St. Louis (STL) to Sardinia
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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CAG
Jan 22 — Jan 291
1 adult, Economy
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1. Tell us where you want to go
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Best flights from St. Louis to SardiniaDiscover carefully curated flight deals from St. Louis to Sardinia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.
Discover carefully curated flight deals from St. Louis to Sardinia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:30 pmSTL - OLB
2 stops18h 05mLufthansa
Tue 5/125:30 pmOLB - STL
2 stops26h 55mLufthansa
Deal found 12/22![Lufthansa logo]()
$795
This Trip.com deal was found by Cheapflights users on 12/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:22 amSTL - OLB
2 stops24h 03mMultiple Airlines
Fri 2/136:45 amOLB - STL
2 stops24h 20mMultiple Airlines
Deal found 12/22![Multiple Airlines logo]()
$1,120
This Expedia deal was found by Cheapflights users on 12/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:30 amSTL - CAG
2 stops41h 35mMultiple Airlines
Fri 6/269:10 pmCAG - STL
2 stops29h 55mMultiple Airlines
Deal found 12/20![Multiple Airlines logo]()
$1,369
Find flight deals from St. Louis to Sardinia
Keep the following information in mind while searching for St. Louis to Sardinia flight deals. Data was last updated December 23, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $795 (Cheapflightsfares) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Sardinia 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 December 23, 2025.
Use the filters below to find and compare flights from St. Louis to Sardinia that are best for you.
Fly from
St. Louis
Fly to
Sardinia
Route
Depart
Return
Price
St. LouisOlbia
STL - OLB
STLOLB
Lambert-St Louis
Fri 5/8
3:30 pm-4:35 pm
2 stops18h 05m
Olbia Costa Smeralda
Tue 5/12
5:30 pm-1:25 pm
2 stops26h 55m
$795
St. LouisOlbia
STL - OLB
STLOLB
Lambert-St Louis
Fri 2/6
11:22 am-6:25 pm
2 stops24h 03m
Olbia Costa Smeralda
Fri 2/13
6:45 am-12:05 am
2 stops24h 20m
$1,120
St. LouisCagliari
STL - CAG
STLCAG
Lambert-St Louis
Fri 6/12
7:30 am-8:05 am
2 stops41h 35m
Cagliari Elmas
Fri 6/26
9:10 pm-8:05 pm
2 stops29h 55m
$1,369
Best time to book a flight from St. Louis to Sardinia
Have a flexible travel schedule? Discover the best time to fly to Sardinia 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 Sardinia
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