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.

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.

$278 Cheap Flights from St. Louis to Sardinia in 2026

Find the cheapest flights from St. Louis to Sardinia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 am - 4:35 pmSTL Lambert-St Louis-OLB Olbia Costa Smeralda

24h 55m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

12:40 pm - 1:25 pmOLB Olbia Costa Smeralda-STL Lambert-St Louis

31h 45m1 stop Frankfurt am Main

$1,039Lufthansa

Wed, Aug 26 - Sun, Sep 13

8:40 am - 4:35 pmSTL Lambert-St Louis-OLB Olbia Costa Smeralda

24h 55m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

5:30 pm - 3:38 pmOLB Olbia Costa Smeralda-STL Lambert-St Louis

29h 08m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$1,040Lufthansa

Wed, Aug 26 - Sun, Sep 13

12:10 pm - 5:45 pmSTL Lambert-St Louis-CAG Cagliari Elmas

22h 35m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

6:35 pm - 8:00 pmCAG Cagliari Elmas-STL Lambert-St Louis

32h 25m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$1,057Multiple Airlines

Mon, Oct 5 - Tue, Oct 13

8:40 am - 4:35 pmSTL Lambert-St Louis-OLB Olbia Costa Smeralda

24h 55m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

6:25 pm - 1:25 pmOLB Olbia Costa Smeralda-STL Lambert-St Louis

26h 00m1 stop Frankfurt am Main

$1,089Lufthansa

Thu, Aug 27 - Sun, Sep 13

8:40 am - 4:35 pmSTL Lambert-St Louis-OLB Olbia Costa Smeralda

24h 55m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

5:30 pm - 1:25 pmOLB Olbia Costa Smeralda-STL Lambert-St Louis

26h 55m2 stops Munich Franz Josef Strauss Frankfurt am Main

$1,102Lufthansa

Thu, Aug 27 - Sun, Sep 13

8:40 am - 5:35 pmSTL Lambert-St Louis-OLB Olbia Costa Smeralda

25h 55m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

9:10 pm - 1:25 pmOLB Olbia Costa Smeralda-STL Lambert-St Louis

47h 15m2 stops Munich Franz Josef Strauss Frankfurt am Main

$1,147Lufthansa

Wed, Aug 26 - Sat, Sep 12

11:13 am - 11:45 amSTL Lambert-St Louis-CAG Cagliari Elmas

17h 32m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:05 pm - 7:58 pmCAG Cagliari Elmas-STL Lambert-St Louis

33h 53m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,231Multiple Airlines

Wed, Aug 26 - Sun, Sep 13

8:40 am - 5:45 pmSTL Lambert-St Louis-CAG Cagliari Elmas

26h 05m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

7:05 pm - 1:25 pmCAG Cagliari Elmas-STL Lambert-St Louis

25h 20m1 stop Frankfurt am Main

$1,237Lufthansa

Wed, Aug 26 - Sun, Sep 13

1:00 pm - 4:35 pmSTL Lambert-St Louis-OLB Olbia Costa Smeralda

20h 35m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

12:00 pm - 11:38 pmOLB Olbia Costa Smeralda-STL Lambert-St Louis

18h 38m2 stops Munich Franz Josef Strauss Newark

$1,240Lufthansa

Wed, Aug 26 - Fri, Sep 11

12:10 pm - 6:15 pmSTL Lambert-St Louis-CAG Cagliari Elmas

23h 05m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

7:05 pm - 1:25 pmCAG Cagliari Elmas-STL Lambert-St Louis

25h 20m1 stop Frankfurt am Main

$1,254Multiple Airlines

Thu, Aug 27 - Sun, Sep 13

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British Airways flights from St. Louis to Sardinia

Our best British Airways deals on St. Louis to Sardinia flight tickets

British Airways

Sep 4

STL4:50 pmLambert-St Louis

34h 40m

2 stops

OLB10:30 amOlbia Costa Smeralda

Sep 18

OLB9:25 pmOlbia Costa Smeralda

41h 55m

2 stops

STL8:20 amLambert-St Louis

$1,362

British Airways

Sep 4

STL8:00 pmLambert-St Louis

40h 20m

2 stops

OLB7:20 pmOlbia Costa Smeralda

Sep 18

OLB9:25 pmOlbia Costa Smeralda

30h 19m

2 stops

STL8:44 pmLambert-St Louis

$1,371

British Airways

Sep 4

STL9:35 pmLambert-St Louis

29h 55m

1 stop

OLB10:30 amOlbia Costa Smeralda

Sep 18

OLB9:25 pmOlbia Costa Smeralda

26h 23m

2 stops

STL4:48 pmLambert-St Louis

$1,675

Lufthansa flights from St. Louis to Sardinia

Our best Lufthansa deals on St. Louis to Sardinia flight tickets

Lufthansa

Aug 26

STL8:40 amLambert-St Louis

24h 55m

2 stops

OLB4:35 pmOlbia Costa Smeralda

Sep 13

OLB12:40 pmOlbia Costa Smeralda

31h 45m

1 stop

STL1:25 pmLambert-St Louis

$1,039

Lufthansa

Aug 26

STL8:40 amLambert-St Louis

24h 55m

2 stops

OLB4:35 pmOlbia Costa Smeralda

Sep 13

OLB5:30 pmOlbia Costa Smeralda

29h 08m

2 stops

STL3:38 pmLambert-St Louis

$1,040

Lufthansa

Aug 27

STL8:40 amLambert-St Louis

24h 55m

2 stops

OLB4:35 pmOlbia Costa Smeralda

Sep 13

OLB6:25 pmOlbia Costa Smeralda

26h 00m

1 stop

STL1:25 pmLambert-St Louis

$1,089

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisOlbia

STL Lambert-St Louis - OLB Olbia Costa Smeralda

STLOLB

Lambert-St Louis

Wed 8/26

8:40 am-4:35 pm

2 stops24h 55m

Olbia Costa Smeralda

Sun 9/13

12:40 pm-1:25 pm

1 stop31h 45m

$1,039

St. LouisOlbia

STL Lambert-St Louis - OLB Olbia Costa Smeralda

STLOLB

Lambert-St Louis

Wed 8/26

8:40 am-4:35 pm

2 stops24h 55m

Olbia Costa Smeralda

Sun 9/13

5:30 pm-3:38 pm

2 stops29h 08m

$1,040

St. LouisCagliari

STL Lambert-St Louis - CAG Cagliari Elmas

STLCAG

Lambert-St Louis

Mon 10/5

12:10 pm-5:45 pm

2 stops22h 35m

Cagliari Elmas

Tue 10/13

6:35 pm-8:00 pm

2 stops32h 25m

$1,057

St. LouisOlbia

STL Lambert-St Louis - OLB Olbia Costa Smeralda

STLOLB

Lambert-St Louis

Thu 8/27

8:40 am-4:35 pm

2 stops24h 55m

Olbia Costa Smeralda

Sun 9/13

6:25 pm-1:25 pm

1 stop26h 00m

$1,089

St. LouisOlbia

STL Lambert-St Louis - OLB Olbia Costa Smeralda

STLOLB

Lambert-St Louis

Thu 8/27

8:40 am-4:35 pm

2 stops24h 55m

Olbia Costa Smeralda

Sun 9/13

5:30 pm-1:25 pm

2 stops26h 55m

$1,102

St. LouisOlbia

STL Lambert-St Louis - OLB Olbia Costa Smeralda

STLOLB

Lambert-St Louis

Wed 8/26

8:40 am-5:35 pm

2 stops25h 55m

Olbia Costa Smeralda

Sat 9/12

9:10 pm-1:25 pm

2 stops47h 15m

$1,147

St. LouisCagliari

STL Lambert-St Louis - CAG Cagliari Elmas

STLCAG

Lambert-St Louis

Wed 8/26

11:13 am-11:45 am

2 stops17h 32m

Cagliari Elmas

Sun 9/13

5:05 pm-7:58 pm

2 stops33h 53m

$1,231

St. LouisCagliari

STL Lambert-St Louis - CAG Cagliari Elmas

STLCAG

Lambert-St Louis

Wed 8/26

8:40 am-5:45 pm

2 stops26h 05m

Cagliari Elmas

Sun 9/13

7:05 pm-1:25 pm

1 stop25h 20m

$1,237

Quickest round-trip

St. LouisOlbia

STL Lambert-St Louis - OLB Olbia Costa Smeralda

STLOLB

Lambert-St Louis

Wed 8/26

1:00 pm-4:35 pm

2 stops20h 35m

Olbia Costa Smeralda

Fri 9/11

12:00 pm-11:38 pm

2 stops18h 38m

$1,240

St. LouisCagliari

STL Lambert-St Louis - CAG Cagliari Elmas

STLCAG

Lambert-St Louis

Thu 8/27

12:10 pm-6:15 pm

2 stops23h 05m

Cagliari Elmas

Sun 9/13

7:05 pm-1:25 pm

1 stop25h 20m

$1,254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted 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 20m
Direct flights	None

The fastest flight from St. Louis to Sardinia takes 19h 20m

There are no direct flights from St. Louis to Sardinia. There are no popular flight routes from St. Louis to Sardinia.

Search flight deals

Frequently asked questions about flying 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.

Frequently asked questions about flying from St. Louis to Sardinia

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.