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.

$981 Cheap Flights from St. Louis to Sardinia in 2026

Find the cheapest flights from St. Louis to Sardinia

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:59 pm - 11:15 am

STL

OLB

15h 16m

2 stops

6:25 pm - 1:25 pm

OLB

STL

26h 00m

1 stop

$981Lufthansa

Sun, Sep 6 - Mon, Sep 14

6:54 pm - 4:35 pm

STL

OLB

14h 41m

2 stops

6:25 pm - 11:38 pm

OLB

STL

36h 13m

2 stops

$988Lufthansa

Sun, Sep 6 - Mon, Sep 14

1:29 pm - 5:45 pm

STL

CAG

21h 16m

2 stops

6:35 pm - 9:21 pm

CAG

STL

33h 46m

2 stops

$997Lufthansa

Mon, Oct 5 - Tue, Oct 13

1:29 pm - 5:45 pm

STL

CAG

21h 16m

2 stops

6:35 pm - 9:21 pm

CAG

STL

33h 46m

2 stops

$998Lufthansa

Mon, Oct 5 - Tue, Oct 13

12:55 pm - 4:35 pm

STL

OLB

20h 40m

2 stops

12:00 pm - 11:44 pm

OLB

STL

18h 44m

2 stops

$1,004Lufthansa

Tue, Jul 21 - Thu, Jul 30

12:55 pm - 4:35 pm

STL

OLB

20h 40m

2 stops

12:00 pm - 11:44 pm

OLB

STL

18h 44m

2 stops

$1,005Lufthansa

Tue, Jul 21 - Thu, Jul 30

9:35 pm - 6:55 pm

STL

OLB

14h 20m

1 stop

7:40 pm - 7:30 pm

OLB

STL

30h 50m

1 stop

$1,044British Airways

Fri, Aug 21 - Tue, Aug 25

6:53 pm - 5:05 pm

STL

CAG

39h 12m

2 stops

11:45 am - 8:20 am

CAG

STL

27h 35m

2 stops

$1,150Multiple Airlines

Sat, Sep 19 - Sat, Sep 26

6:30 am - 11:45 am

STL

CAG

22h 15m

2 stops

5:05 pm - 5:53 pm

CAG

STL

31h 48m

2 stops

$1,179Delta

Wed, Jul 22 - Wed, Jul 29

8:05 pm - 10:35 pm

STL

CAG

67h 30m

3 stops

9:35 am - 9:04 am

CAG

STL

30h 29m

3 stops

$1,226Multiple Airlines

Mon, Oct 5 - Tue, Oct 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

Aug 21

STL9:35 pmLambert-St Louis

14h 20m

1 stop

OLB6:55 pmOlbia Costa Smeralda

Aug 25

OLB7:40 pmOlbia Costa Smeralda

30h 50m

1 stop

STL7:30 pmLambert-St Louis

$1,044

British Airways

Aug 21

STL9:35 pmLambert-St Louis

14h 20m

1 stop

OLB6:55 pmOlbia Costa Smeralda

Aug 25

OLB7:40 pmOlbia Costa Smeralda

30h 47m

2 stops

STL7:27 pmLambert-St Louis

$1,165

British Airways

Aug 19

STL11:22 amLambert-St Louis

17h 03m

2 stops

OLB11:25 amOlbia Costa Smeralda

Aug 23

OLB8:05 pmOlbia Costa Smeralda

35h 09m

2 stops

STL12:14 amLambert-St Louis

$1,169

KLM flights from St. Louis to Sardinia

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

KLM

Sep 4

STL3:39 pmLambert-St Louis

16h 31m

2 stops

OLB3:10 pmOlbia Costa Smeralda

Sep 18

OLB9:10 amOlbia Costa Smeralda

18h 25m

2 stops

STL8:35 pmLambert-St Louis

$1,047

KLM

Jul 1

STL1:39 pmLambert-St Louis

19h 46m

2 stops

CAG4:25 pmCagliari Elmas

Jul 14

CAG5:05 pmCagliari Elmas

31h 48m

2 stops

STL5:53 pmLambert-St Louis

$1,494

KLM

Jul 1

STL1:39 pmLambert-St Louis

19h 46m

2 stops

CAG4:25 pmCagliari Elmas

Jul 14

CAG5:05 pmCagliari Elmas

31h 48m

2 stops

STL5:53 pmLambert-St Louis

$1,504

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Sun 9/6

12:59 pm-11:15 am

2 stops15h 16m

Olbia Costa Smeralda

Mon 9/14

6:25 pm-1:25 pm

1 stop26h 00m

$981

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Sun 9/6

6:54 pm-4:35 pm

2 stops14h 41m

Olbia Costa Smeralda

Mon 9/14

6:25 pm-11:38 pm

2 stops36h 13m

$988

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Mon 10/5

1:29 pm-5:45 pm

2 stops21h 16m

Cagliari Elmas

Tue 10/13

6:35 pm-9:21 pm

2 stops33h 46m

$997

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Mon 10/5

1:29 pm-5:45 pm

2 stops21h 16m

Cagliari Elmas

Tue 10/13

6:35 pm-9:21 pm

2 stops33h 46m

$998

Quickest round-trip

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Tue 7/21

12:55 pm-4:35 pm

2 stops20h 40m

Olbia Costa Smeralda

Thu 7/30

12:00 pm-11:44 pm

2 stops18h 44m

$1,004

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Tue 7/21

12:55 pm-4:35 pm

2 stops20h 40m

Olbia Costa Smeralda

Thu 7/30

12:00 pm-11:44 pm

2 stops18h 44m

$1,005

St. LouisOlbia

STL - OLB

STLOLB

Lambert-St Louis

Fri 8/21

9:35 pm-6:55 pm

1 stop14h 20m

Olbia Costa Smeralda

Tue 8/25

7:40 pm-7:30 pm

1 stop30h 50m

$1,044

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Sat 9/19

6:53 pm-5:05 pm

2 stops39h 12m

Cagliari Elmas

Sat 9/26

11:45 am-8:20 am

2 stops27h 35m

$1,150

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Wed 7/22

6:30 am-11:45 am

2 stops22h 15m

Cagliari Elmas

Wed 7/29

5:05 pm-5:53 pm

2 stops31h 48m

$1,179

St. LouisCagliari

STL - CAG

STLCAG

Lambert-St Louis

Mon 10/5

8:05 pm-10:35 pm

3 stops67h 30m

Cagliari Elmas

Tue 10/13

9:35 am-9:04 am

3 stops30h 29m

$1,226

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	14h 20m
Direct flights	None

The fastest flight from St. Louis to Sardinia takes 14h 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.