Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Rome Fiumicino Airport to St. Louis from $467

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Rome Fiumicino Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Finnair Logo
11:05 am - 8:44 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 39m1 stop Chicago O'Hare Intl
Finnair Logo
12:46 pm - 12:05 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 19m1 stop Dallas/Fort Worth
$793Finnair
Thu, Sep 17 - Mon, Sep 21
British Airways Logo
1:00 pm - 8:24 pmFCO  Rome Fiumicino-STL Lambert-St Louis
14h 24m1 stop Philadelphia
British Airways Logo
11:34 am - 11:20 amSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 46m2 stops Boston Logan Intl London Heathrow
$807British Airways
Mon, Feb 8 - Tue, Feb 16
British Airways Logo
7:50 am - 7:29 pmFCO  Rome Fiumicino-STL Lambert-St Louis
18h 39m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
12:55 pm - 12:20 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 25m2 stops Dallas/Fort Worth London Heathrow
$819British Airways
Mon, Feb 8 - Tue, Feb 16
Delta Logo
6:30 am - 5:40 pmFCO  Rome Fiumicino-STL Lambert-St Louis
18h 10m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
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
$850Delta
Wed, Sep 16 - Sun, Sep 20
Delta Logo
6:30 am - 7:58 pmFCO  Rome Fiumicino-STL Lambert-St Louis
20h 28m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
5:59 pm - 4:35 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
15h 36m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$851Delta
Fri, Sep 18 - Tue, Sep 22
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
4:59 pm - 4:35 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 36m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$852Delta
Thu, Sep 17 - Mon, Sep 21
Delta Logo
6:30 am - 8:51 pmFCO  Rome Fiumicino-STL Lambert-St Louis
21h 21m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
2:25 pm - 10:50 amSTL  Lambert-St Louis-FCO Rome Fiumicino
13h 25m1 stop Atlanta Hartsfield-Jackson
$854Delta
Wed, Oct 14 - Wed, Oct 21
Delta Logo
6:30 am - 5:45 pmFCO  Rome Fiumicino-STL Lambert-St Louis
18h 15m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
11:21 am - 12:40 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
18h 19m1 stop Minneapolis St Paul
$855Delta
Thu, Sep 17 - Mon, Sep 21
British Airways Logo
1:00 pm - 8:24 pmFCO  Rome Fiumicino-STL Lambert-St Louis
14h 24m1 stop Philadelphia
British Airways Logo
2:00 pm - 3:05 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
18h 05m2 stops Philadelphia London Heathrow
$856British Airways
Sat, Feb 6 - Sat, Feb 13
British Airways Logo
10:00 am - 10:50 amFCO  Rome Fiumicino-STL Lambert-St Louis
31h 50m1 stop Chicago O'Hare Intl
British Airways Logo
9:35 pm - 8:05 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
15h 30m1 stop London Heathrow
$857British Airways
Thu, Oct 15 - Tue, Oct 20

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Rome Fiumicino Airport to St. Louis

Our best Delta deals on Rome Fiumicino Airport to St. Louis flight tickets
Delta
Sep 16
FCO6:30 amRome Fiumicino
18h 10m
2 stops
STL5:40 pmLambert-St Louis
Sep 20
STL5:59 pmLambert-St Louis
16h 31m
2 stops
FCO5:30 pmRome Fiumicino
$850
Delta
Sep 18
FCO6:30 amRome Fiumicino
20h 28m
2 stops
STL7:58 pmLambert-St Louis
Sep 22
STL5:59 pmLambert-St Louis
15h 36m
2 stops
FCO4:35 pmRome Fiumicino
$851
Delta
Sep 17
FCO6:30 amRome Fiumicino
21h 05m
2 stops
STL8:35 pmLambert-St Louis
Sep 21
STL4:59 pmLambert-St Louis
16h 36m
2 stops
FCO4:35 pmRome Fiumicino
$852

KLM flights from Rome Fiumicino Airport to St. Louis

Our best KLM deals on Rome Fiumicino Airport to St. Louis flight tickets
KLM
Dec 22
FCO6:10 amRome Fiumicino
17h 18m
2 stops
STL4:28 pmLambert-St Louis
Jan 12
STL9:00 amLambert-St Louis
16h 15m
1 stop
FCO8:15 amRome Fiumicino
$1,029
KLM
Dec 22
FCO6:10 amRome Fiumicino
17h 18m
2 stops
STL4:28 pmLambert-St Louis
Jan 12
STL3:40 pmLambert-St Louis
17h 40m
2 stops
FCO4:20 pmRome Fiumicino
$1,031
KLM
Dec 21
FCO10:25 amRome Fiumicino
14h 54m
1 stop
STL6:19 pmLambert-St Louis
Jan 11
STL11:51 amLambert-St Louis
16h 29m
1 stop
FCO11:20 amRome Fiumicino
$1,036

momondo Fare Finder

 
Use the filters below to find and compare flights from Rome Fiumicino Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Thu 9/17

11:05 am-8:44 pm

1 stop16h 39m

Lambert-St Louis

Mon 9/21

12:46 pm-12:05 pm

1 stop16h 19m

$793
Quickest round-trip

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Mon 2/8

1:00 pm-8:24 pm

1 stop14h 24m

Lambert-St Louis

Tue 2/16

11:34 am-11:20 am

2 stops16h 46m

$807

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Mon 2/8

7:50 am-7:29 pm

2 stops18h 39m

Lambert-St Louis

Tue 2/16

12:55 pm-12:20 pm

2 stops16h 25m

$819

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Wed 9/16

6:30 am-5:40 pm

2 stops18h 10m

Lambert-St Louis

Sun 9/20

5:59 pm-5:30 pm

2 stops16h 31m

$850

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Fri 9/18

6:30 am-7:58 pm

2 stops20h 28m

Lambert-St Louis

Tue 9/22

5:59 pm-4:35 pm

2 stops15h 36m

$851

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Thu 9/17

6:30 am-8:35 pm

2 stops21h 05m

Lambert-St Louis

Mon 9/21

4:59 pm-4:35 pm

2 stops16h 36m

$852

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Wed 10/14

6:30 am-8:51 pm

2 stops21h 21m

Lambert-St Louis

Wed 10/21

2:25 pm-10:50 am

1 stop13h 25m

$854

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Thu 9/17

6:30 am-5:45 pm

2 stops18h 15m

Lambert-St Louis

Mon 9/21

11:21 am-12:40 pm

1 stop18h 19m

$855

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Sat 2/6

1:00 pm-8:24 pm

1 stop14h 24m

Lambert-St Louis

Sat 2/13

2:00 pm-3:05 pm

2 stops18h 05m

$856

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Thu 10/15

10:00 am-10:50 am

1 stop31h 50m

Lambert-St Louis

Tue 10/20

9:35 pm-8:05 pm

1 stop15h 30m

$857

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

How to get the cheapest flight ticket from Rome Fiumicino Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Rome Fiumicino Airport to St. Louis flights?

You could potentially save up to 11% on your flight if you consider stops on a Rome Fiumicino Airport to St. Louis flight.

When to book flights from Rome Fiumicino Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Rome Fiumicino Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rome Fiumicino Airport to St. Louis (FCO to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rome Fiumicino Airport to St. Louis

Best Price Found

$467

Fastest flight time

14h 24m

Direct flights

None
The best one-way flight to St. Louis from Rome Fiumicino Airport in the past 72 hours is $467. The best round-trip flight deal from Rome Fiumicino Airport to St. Louis found on momondo in the last 72 hours is $793.
The fastest flight from Rome Fiumicino Airport to St. Louis takes 14h 24m
There are no direct flights from Rome Fiumicino Airport to St. Louis. There are no popular flight routes from Rome Fiumicino Airport to St. Louis.
Search flight deals

Frequently asked questions about flying from Rome Fiumicino Airport to St. Louis

  • How far is Rome Fiumicino to Lambert-St Louis by plane?

    The straight-line distance from Rome Fiumicino to Lambert-St Louis is 5048.2 mi. Flights usually cover this in 14h 24m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Rome Fiumicino Airport to Lambert-St Louis Airport?

    Prices for flights from Rome Fiumicino Airport to Lambert-St Louis Airport are updated daily.

  • How old do you have to be to fly from Rome Fiumicino Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rome Fiumicino Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Maryland Heights
St. Peters
Alton
Florissant
Collinsville
Hermann
O'Fallon
Clayton
Farmington
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Rome to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Rome.

Can I find flights from Rome to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Rome with this policy.

How can momondo help me find flights from Rome to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Rome. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Rome to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Rome to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 10/5
Mon 10/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States