Cheap flights from St. Louis to Sardinia from $1,092

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 Sardinia departing on 7/1. 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.
Lufthansa Logo
8:25 am - 5:45 pm
STL
-
CAG
26h 20m
2 stops
Lufthansa Logo
6:35 pm - 4:26 pm
CAG
-
STL
28h 51m
2 stops
$1,092Lufthansa
Wed, Jul 1 - Tue, Jul 14
Multiple Airlines Logo
9:59 am - 12:50 pm
STL
-
CAG
19h 51m
2 stops
Multiple Airlines Logo
9:30 am - 11:36 pm
CAG
-
STL
21h 06m
2 stops
$1,158Multiple Airlines
Mon, Feb 9 - Tue, Feb 17
Multiple Airlines Logo
2:20 pm - 8:10 am
STL
-
CAG
58h 50m
2 stops
Multiple Airlines Logo
8:55 am - 8:05 pm
CAG
-
STL
18h 10m
2 stops
$1,245Multiple Airlines
Wed, Jun 17 - Sat, Jun 27
Lufthansa Logo
3:30 pm - 6:10 pm
STL
-
CAG
19h 40m
1 stop
Lufthansa Logo
6:35 pm - 1:25 pm
CAG
-
STL
25h 50m
2 stops
$1,289Lufthansa
Wed, Jul 1 - Tue, Jul 14
Multiple Airlines Logo
3:30 pm - 6:10 pm
STL
-
CAG
19h 40m
1 stop
Multiple Airlines Logo
8:55 am - 8:05 pm
CAG
-
STL
18h 10m
2 stops
$1,300Multiple Airlines
Wed, Jun 17 - Sat, Jun 27
Multiple Airlines Logo
1:00 pm - 5:45 pm
STL
-
CAG
21h 45m
2 stops
Multiple Airlines Logo
7:05 pm - 12:21 pm
CAG
-
STL
48h 16m
2 stops
$1,303Multiple Airlines
Wed, Jun 17 - Sun, Jun 28
Lufthansa Logo
3:30 pm - 5:45 pm
STL
-
CAG
19h 15m
2 stops
Lufthansa Logo
7:05 pm - 1:25 pm
CAG
-
STL
25h 20m
1 stop
$1,330Lufthansa
Wed, Jun 17 - Sun, Jun 28
Lufthansa Logo
3:30 pm - 6:10 pm
STL
-
CAG
19h 40m
1 stop
Lufthansa Logo
7:05 pm - 1:25 pm
CAG
-
STL
25h 20m
1 stop
$1,367Lufthansa
Wed, Jun 17 - Sun, Jun 28
Lufthansa Logo
3:30 pm - 6:10 pm
STL
-
CAG
19h 40m
1 stop
Lufthansa Logo
9:10 am - 1:25 pm
CAG
-
STL
35h 15m
1 stop
$1,441Lufthansa
Wed, Jun 17 - Sat, Jun 27
Multiple Airlines Logo
11:28 am - 6:25 pm
STL
-
OLB
24h 57m
2 stops
Multiple Airlines Logo
6:45 am - 11:51 pm
OLB
-
STL
23h 06m
2 stops
$1,448Multiple Airlines
Wed, Mar 11 - Wed, Mar 18

Lufthansa flights from St. Louis to Sardinia

Our best Lufthansa deals on St. Louis to Sardinia flight tickets
Lufthansa
Jul 1
STL8:25 amLambert-St Louis
26h 20m
2 stops
CAG5:45 pmCagliari Elmas
Jul 14
CAG6:35 pmCagliari Elmas
28h 51m
2 stops
STL4:26 pmLambert-St Louis
$1,092
Lufthansa
Jul 1
STL3:30 pmLambert-St Louis
19h 40m
1 stop
CAG6:10 pmCagliari Elmas
Jul 14
CAG6:35 pmCagliari Elmas
25h 50m
2 stops
STL1:25 pmLambert-St Louis
$1,289
Lufthansa
Jun 17
STL3:30 pmLambert-St Louis
19h 15m
2 stops
CAG5:45 pmCagliari Elmas
Jun 28
CAG7:05 pmCagliari Elmas
25h 20m
1 stop
STL1:25 pmLambert-St Louis
$1,330

momondo 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, momondo users made 832,500 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from St. Louis to Sardinia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 7/1

8:25 am-5:45 pm

2 stops26h 20m

Cagliari Elmas

Tue 7/14

6:35 pm-4:26 pm

2 stops28h 51m

$1,092

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Mon 2/9

9:59 am-12:50 pm

2 stops19h 51m

Cagliari Elmas

Tue 2/17

9:30 am-11:36 pm

2 stops21h 06m

$1,158

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 6/17

2:20 pm-8:10 am

2 stops58h 50m

Cagliari Elmas

Sat 6/27

8:55 am-8:05 pm

2 stops18h 10m

$1,245

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 7/1

3:30 pm-6:10 pm

1 stop19h 40m

Cagliari Elmas

Tue 7/14

6:35 pm-1:25 pm

2 stops25h 50m

$1,289

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 6/17

3:30 pm-6:10 pm

1 stop19h 40m

Cagliari Elmas

Sat 6/27

8:55 am-8:05 pm

2 stops18h 10m

$1,300

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 6/17

1:00 pm-5:45 pm

2 stops21h 45m

Cagliari Elmas

Sun 6/28

7:05 pm-12:21 pm

2 stops48h 16m

$1,303

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 6/17

3:30 pm-5:45 pm

2 stops19h 15m

Cagliari Elmas

Sun 6/28

7:05 pm-1:25 pm

1 stop25h 20m

$1,330

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 6/17

3:30 pm-6:10 pm

1 stop19h 40m

Cagliari Elmas

Sun 6/28

7:05 pm-1:25 pm

1 stop25h 20m

$1,367

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 6/17

3:30 pm-6:10 pm

1 stop19h 40m

Cagliari Elmas

Sat 6/27

9:10 am-1:25 pm

1 stop35h 15m

$1,441

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Wed 3/11

11:28 am-6:25 pm

2 stops24h 57m

Olbia Costa Smeralda

Wed 3/18

6:45 am-11:51 pm

2 stops23h 06m

$1,448

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap St. Louis to Sardinia flight deals and tips

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

Fastest flight time

19h 51m

Direct flights

None
The fastest flight from St. Louis to Sardinia takes 19h 51m
There are no direct flights from St. Louis to Sardinia. There are no popular flight routes from St. Louis to Sardinia.
  • When did momondo last update prices for flights from Lambert-St Louis Airport to Sardinia?

    Prices for flights from Lambert-St Louis Airport to Sardinia refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Sardinia.

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

    The travel and health documents you'll need for your trip to Sardinia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sardinia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

  • How can I save money on flights from St. Louis to Sardinia 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?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

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

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

Flights from St. Louis to Sardinia 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.

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

momondo helps you find the best flight between St. Louis and Sardinia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from St. Louis to Sardinia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sardinia and let you know when they change.

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1 adult
Thu 2/26
Thu 3/5

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Popular flights according to clicks in the last 7 days on momondo