FCO - STL

$590 Find Cheap Flights from Rome to St. Louis - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$734
Typical prices: $1,046-$1,186
American Airlines
Mon 4/30Wed 5/2
FCO - STL • 1 stop
Cheapest one-way
$590
Typical prices: $698-$1,158
Lufthansa
Wed 2/14
FCO - STL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Rome Fiumicino Airport and St. Louis. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 23% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Frankfurt am Main (FRA)
Cheapest • Avg $880 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 12h 55m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Rome to St. Louis (FCO-STL)

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

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

Fri, Apr 30 - Sun, May 2
American Airlines Logo
2:15 pm - 7:30 pmFCO  Rome Fiumicino-STL Lambert-St Louis
36h 15m1 stop Charlotte Douglas
American Airlines Logo
5:42 pm - 12:05 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
35h 23m1 stop Miami
$734American Airlines
Fri, Apr 30 - Sun, May 2
American Airlines Logo
10:00 am - 11:47 amFCO  Rome Fiumicino-STL Lambert-St Louis
32h 47m1 stop Chicago O'Hare Intl
American Airlines Logo
10:00 am - 12:05 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
19h 05m1 stop Miami
$783American Airlines
Sat, Feb 6 - Sun, Feb 14
Lufthansa Logo
7:05 am - 9:52 pmFCO  Rome Fiumicino-STL Lambert-St Louis
21h 47m2 stops Frankfurt am Main Newark
Lufthansa Logo
1:15 pm - 8:30 amSTL  Lambert-St Louis-FCO Rome Fiumicino
12h 15m1 stop Washington, D.C. Dulles Intl
$788Lufthansa
Fri, Apr 30 - Sun, May 2
United Airlines Logo
6:45 am - 6:09 pmFCO  Rome Fiumicino-STL Lambert-St Louis
18h 24m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
1:30 pm - 12:20 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
15h 50m1 stop Denver Intl
$796United Airlines
Fri, Apr 30 - Sun, May 2
United Airlines Logo
6:45 am - 1:25 pmFCO  Rome Fiumicino-STL Lambert-St Louis
13h 40m1 stop Frankfurt am Main
United Airlines Logo
6:40 am - 10:00 amSTL  Lambert-St Louis-FCO Rome Fiumicino
20h 20m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
$797United Airlines
Thu, Feb 4 - Mon, Feb 8
United Airlines Logo
7:05 am - 7:28 pmFCO  Rome Fiumicino-STL Lambert-St Louis
19h 23m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
7:29 am - 7:55 amSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 26m2 stops Chicago O'Hare Intl Newark
$800United Airlines
Sat, Feb 6 - Sun, Feb 14
United Airlines Logo
7:05 am - 11:20 pmFCO  Rome Fiumicino-STL Lambert-St Louis
23h 15m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
4:39 pm - 2:00 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
14h 21m2 stops Newark Zurich
$801United Airlines
Sat, Feb 6 - Sun, Feb 14
Lufthansa Logo
11:00 am - 7:27 pmFCO  Rome Fiumicino-STL Lambert-St Louis
15h 27m1 stop Washington, D.C. Dulles Intl
Lufthansa Logo
9:52 am - 7:55 amSTL  Lambert-St Louis-FCO Rome Fiumicino
15h 03m1 stop Newark
$804Lufthansa
Sun, Nov 22 - Sat, Dec 5
Multiple Airlines Logo
11:25 am - 12:10 amFCO  Rome Fiumicino-STL Lambert-St Louis
19h 45m2 stops Reykjavik Keflavik Intl Baltimore/Washington
Multiple Airlines Logo
10:35 am - 2:00 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
20h 25m2 stops Baltimore/Washington Reykjavik Keflavik Intl
$912Multiple Airlines
Sun, Nov 22 - Sat, Dec 5
Delta Logo
6:10 am - 5:14 pmFCO  Rome Fiumicino-STL Lambert-St Louis
18h 04m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
11:00 am - 11:20 amSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 20m1 stop Atlanta Hartsfield-Jackson
$998Delta
Booking Insights

Price, demand and travel trends for Rome Fiumicino Airport to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Rome Fiumicino Airport to St. Louis?

Round-trip flights from Rome Fiumicino Airport to St. Louis typically range from $1,046 to $1,186. The lowest price found in the past 5 days was $734, on American Airlines.

What's the cheapest day of the week to fly from Rome Fiumicino Airport to St. Louis?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Rome Fiumicino Airport to St. Louis. It’s 9% cheaper than the average day, while Saturday is the most expensive, with prices 6% higher.

Find deals

Key details for Rome Fiumicino Airport to St. Louis flights

Low season

February

Cheapest flight

$590
Beat the crowds with an average 96% drop in travelers.
The most popular month to fly with an average 50% increase in travelers.
One-way flight from Rome Fiumicino Airport to St. Louis

When to book flights from Rome to St. Louis

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

Your Rome Fiumicino Airport to St. Louis flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Rome Fiumicino Airport to St. Louis?

    Two cabin classes are available on flights from Rome Fiumicino Airport to St. Louis:

    • Economy Class
    • Business Class

  • How long is a flight from Rome Fiumicino Airport to St. Louis?

    A nonstop flight from Rome Fiumicino Airport to St. Louis takes 00m, covering 5,050 miles.

  • Do I need a passport to fly from Rome Fiumicino Airport to St. Louis?

    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.

  • How much should I expect to pay for a Rome Fiumicino Airport to St. Louis flight?

    Round-trip flights from Rome Fiumicino Airport to St. Louis range from $1,046 to $1,186, with an average of $1,115 over the past 12 months. Anything below $1,046 counts as a good deal.

  • How are flight prices from Rome Fiumicino Airport to St. Louis looking right now?

    One-way fares from Rome Fiumicino Airport to St. Louis are currently lower than usual. Average one-way flight prices are about $632, which is 29% below the typical average for this route.

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates averaging $77 for economy cars. Top options include:

    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • Which airports can I use when flying from Rome Fiumicino Airport to St. Louis?

    Flights from Rome Fiumicino Airport to St. Louis usually depart from Rome Fiumicino (FCO) and arrive at Lambert-St Louis (STL).

  • Which airports do connecting flights from Rome Fiumicino Airport to St. Louis pass through?

    One-stop flights from Rome Fiumicino Airport to St. Louis most commonly connect through:

    • Detroit Metropolitan Wayne County (DTW) - 28% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 20% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 20% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 16% of one-stop connections

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

    Yes. Flexible dates can save you up to 15% on flights from Rome Fiumicino Airport to St. Louis. Friday is the cheapest departure day at $1,017 round-trip on average, while Saturday is the most expensive at $1,186, a difference of $169.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Rome Fiumicino Airport to St. Louis?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 12h 55m, compared with 13h 43m via Atlanta Hartsfield-Jackson (ATL) and 13h 45m via Frankfurt am Main (FRA).

  • What is the time difference between Rome Fiumicino Airport and St. Louis?

    St. Louis is 7 hours behind Rome Fiumicino Airport (Central Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

Your guide to booking Rome Fiumicino Airport to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Saturday. On this route, Friday flights average $1,017, about $169 less than Saturday fares (14% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Rome Fiumicino Airport to St. Louis trip for October. Fares historically average $863 round-trip in that month - typically $1,718 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.

    • Renaissance St. Louis Airport Hotel
    • Drury Inn & Suites St. Louis Airport
    • Hyatt Select St. Louis Airport

More options for your flight from Rome to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Car rentals in St. Louis
Hotels in St. Louis
Vacations in St. Louis