STL - CAG

$1,057 Find Cheap Flights from St. Louis to Cagliari - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,057
Typical prices: $903-$1,171
Multiple Airlines
Fri 10/5Sat 10/13
STL - CAG • 2 stops
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Flight Deals

Cheap Flights from St. Louis to Cagliari (STL-CAG)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Cagliari

Mon, Oct 5 - Tue, Oct 13
Multiple Airlines Logo
12:10 pm - 5:45 pmSTL  Lambert-St Louis-CAG Cagliari Elmas
22h 35m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:35 pm - 8:20 pmCAG  Cagliari Elmas-STL Lambert-St Louis
32h 45m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$1,057Multiple Airlines
Mon, Oct 5 - Tue, Oct 13
Multiple Airlines Logo
1:29 pm - 5:45 pmSTL  Lambert-St Louis-CAG Cagliari Elmas
21h 16m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:35 pm - 8:20 pmCAG  Cagliari Elmas-STL Lambert-St Louis
32h 45m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$1,062Multiple Airlines
Mon, Oct 5 - Tue, Oct 13
Multiple Airlines Logo
1:29 pm - 5:45 pmSTL  Lambert-St Louis-CAG Cagliari Elmas
21h 16m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:35 pm - 8:20 pmCAG  Cagliari Elmas-STL Lambert-St Louis
32h 45m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$1,063Multiple Airlines
Mon, Oct 5 - Tue, Oct 13
Multiple Airlines Logo
7:10 pm - 10:35 pmSTL  Lambert-St Louis-CAG Cagliari Elmas
68h 25m3 stops Dallas/Fort Worth Boston Logan Intl Barcelona-El Prat
Multiple Airlines Logo
9:35 am - 9:29 amCAG  Cagliari Elmas-STL Lambert-St Louis
30h 54m3 stops Barcelona-El Prat London Heathrow Boston Logan Intl
$1,311Multiple Airlines
Mon, Oct 5 - Tue, Oct 13
Multiple Airlines Logo
7:10 pm - 10:35 pmSTL  Lambert-St Louis-CAG Cagliari Elmas
68h 25m3 stops Dallas/Fort Worth Boston Logan Intl Barcelona-El Prat
Multiple Airlines Logo
9:35 am - 9:29 amCAG  Cagliari Elmas-STL Lambert-St Louis
30h 54m3 stops Barcelona-El Prat London Heathrow Boston Logan Intl
$1,406Multiple Airlines
Mon, Oct 5 - Tue, Oct 13
Multiple Airlines Logo
7:10 pm - 10:35 pmSTL  Lambert-St Louis-CAG Cagliari Elmas
68h 25m3 stops Dallas/Fort Worth Boston Logan Intl Barcelona-El Prat
Multiple Airlines Logo
9:35 am - 9:29 amCAG  Cagliari Elmas-STL Lambert-St Louis
30h 54m3 stops Barcelona-El Prat London Heathrow Boston Logan Intl
$1,407Multiple Airlines
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Key details for St. Louis to Cagliari flights

Cheapest flight

$1,057
Flight from St. Louis to Cagliari

When to book flights from St. Louis to Cagliari

Are your dates flexible? Find out the best times to travel from St. Louis to Cagliari based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Cagliari flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from St. Louis to Cagliari?

    Flights from St. Louis to Cagliari usually depart from Lambert-St Louis (STL) and arrive at Cagliari Elmas (CAG).

  • Can I save money by using flexible dates for flights from St. Louis to Cagliari?

    Yes. Being flexible with your travel dates can save you up to 23% on the St. Louis to Cagliari route. Monday is the cheapest departure day at $903 round-trip on average, while Saturday is the most expensive at $1,171, a difference of $268. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Do I need a passport to fly from St. Louis to Cagliari?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from St. Louis to Cagliari changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,062 to $2,555. That means the highest observed fare was about 2x higher than the lowest one.

  • What is the time difference between St. Louis and Cagliari?

    Cagliari is 7 hours ahead of St. Louis (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Cagliari Elmas Airport (CAG)?

    Cagliari Elmas Airport (CAG) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · SURPRICE CAR RENTAL
    · Felirent
    · Galdierirent
    · Rent Smart 24
    · Record go

  • How much should I expect to pay for a St. Louis to Cagliari flight?

    Round-trip flights from St. Louis to Cagliari range from $903 to $1,171, with an average of $1,162 over the past 12 months. Anything below $903 counts as a good deal.

Your guide to booking St. Louis to Cagliari flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average $903 - about $268 less than Saturday (23% savings) based on the last 12 months.

Everything you need to know for your flight from St. Louis to Cagliari

Information on your arrival and departure airports

St. Louis (STL)
Cagliari (CAG)