FCO - STL

$594 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
$852
Typical prices: $1,042-$1,186
Delta
Sun 9/30Thu 10/4
FCO - STL • 2 stops
Cheapest one-way
$594
Typical prices: $680-$1,302
Multiple Airlines
Sun 12/16
FCO - STL • 3 stops
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
May
Cheapest • 25% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Toronto Pearson Intl (YYZ)
Cheapest • Avg $832 (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

Wed, Sep 30 - Sun, Oct 4
Delta Logo
6:30 am - 8:35 pmFCO  Rome Fiumicino-STL Lambert-St Louis
21h 05m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
5:59 pm - 5:30 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 31m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$852Delta
Tue, Oct 27 - Tue, Nov 3
Delta Logo
6:10 am - 11:54 pmFCO  Rome Fiumicino-STL Lambert-St Louis
23h 44m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
4:22 pm - 3:00 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
15h 38m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$853Delta
Wed, Sep 30 - Sun, Oct 4
Delta Logo
6:30 am - 5:10 pmFCO  Rome Fiumicino-STL Lambert-St Louis
17h 40m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
10:05 am - 10:50 amSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 45m1 stop Atlanta Hartsfield-Jackson
$855Delta
Thu, Nov 12 - Sun, Nov 15
American Airlines Logo
1:10 pm - 11:33 pmFCO  Rome Fiumicino-STL Lambert-St Louis
17h 23m1 stop Dallas/Fort Worth
American Airlines Logo
5:29 pm - 5:50 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 21m2 stops Chicago O'Hare Intl London Heathrow
$856American Airlines
Thu, Sep 24 - Mon, Sep 28
British Airways Logo
12:15 pm - 9:43 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 28m1 stop Philadelphia
British Airways Logo
1:49 pm - 4:00 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
19h 11m2 stops Chicago O'Hare Intl London Heathrow
$857British Airways
Wed, Oct 7 - Sun, Oct 11
British Airways Logo
12:15 pm - 10:14 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 59m1 stop Philadelphia
British Airways Logo
9:40 pm - 7:20 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
14h 40m1 stop London Heathrow
$858British Airways
Wed, Sep 30 - Sun, Oct 4
Delta Logo
2:45 pm - 11:16 pmFCO  Rome Fiumicino-STL Lambert-St Louis
15h 31m1 stop Minneapolis St Paul
Delta Logo
10:05 am - 10:50 amSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 45m1 stop Atlanta Hartsfield-Jackson
$863Delta
Fri, Oct 23 - Fri, Oct 30
Delta Logo
12:30 pm - 8:51 pmFCO  Rome Fiumicino-STL Lambert-St Louis
15h 21m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County
Delta Logo
12:00 pm - 8:15 amSTL  Lambert-St Louis-FCO Rome Fiumicino
14h 15m1 stop Atlanta Hartsfield-Jackson
$864Delta
Thu, Sep 24 - Mon, Sep 28
American Airlines Logo
2:15 pm - 11:59 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 44m1 stop Miami
American Airlines Logo
10:21 am - 11:20 amSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 59m1 stop Charlotte Douglas
$865American Airlines
Thu, Nov 12 - Sun, Nov 15
British Airways Logo
7:50 am - 7:22 pmFCO  Rome Fiumicino-STL Lambert-St Louis
18h 32m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
5:29 pm - 4:55 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 26m2 stops Chicago O'Hare Intl London Heathrow
$871British Airways
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 from Rome Fiumicino Airport to St. Louis 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 start at $852. Prices are below average for this route right now, with typical round-trip fares ranging from $1,042 to $1,186. The lowest price found in the past 5 days was $852 on Delta.

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

Friday is the cheapest day of the week to fly from Rome Fiumicino Airport to St. Louis, it is 6% cheaper than the average day. Saturday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for Rome Fiumicino Airport to St. Louis flights

Low season

February

Cheapest flight

$594
Most popular time to fly and prices are also 12% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

  • 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) - 30% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 17% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 17% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 13% of one-stop connections

    Detroit Metropolitan Wayne County (DTW) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 15% on the Rome Fiumicino Airport to St. Louis route. 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.

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

    Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

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

    A nonstop flight from Rome Fiumicino Airport to St. Louis takes 0h 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 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 $614, which is 31% below the typical average for this route.

  • 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 06m via Toronto Pearson Intl (YYZ) and 13h 42m 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 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 starting from around $31 for economy cars. Top options include:
    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • 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 $1,042 to $1,186, with an average of $1,076 over the past 12 months. Anything below $1,042 counts as a good deal.

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 can be flexible, aim for a Friday departure instead of Saturday. On this route, Friday flights average $1,017 - about $169 less than Saturday (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 May. Fares historically average $808 round-trip in that month - typically $1,773 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.
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel
    - DoubleTree by Hilton 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