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Cheap flights from Rome to St. Louis from $562

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Rome to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Finnair Logo
6:40 pm - 8:19 pmFCO  Rome Fiumicino-STL Lambert-St Louis
32h 39m2 stops Helsinki-Vantaa Dallas/Fort Worth
Finnair Logo
12:58 pm - 10:45 amSTL  Lambert-St Louis-FCO Rome Fiumicino
14h 47m1 stop Dallas/Fort Worth
$814Finnair
Tue, Nov 3 - Tue, Nov 10
Finnair Logo
6:40 pm - 8:19 pmFCO  Rome Fiumicino-STL Lambert-St Louis
32h 39m2 stops Helsinki-Vantaa Dallas/Fort Worth
Finnair Logo
12:58 pm - 5:55 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
21h 57m2 stops Dallas/Fort Worth Helsinki-Vantaa
$834Finnair
Tue, Nov 3 - Tue, Nov 10
Delta Logo
6:10 am - 3:37 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 27m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
12:29 pm - 11:30 amSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 01m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$845Delta
Wed, Nov 4 - Wed, Nov 11
British Airways Logo
11:00 am - 8:26 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 26m1 stop Philadelphia
British Airways Logo
5:29 pm - 5:50 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 21m2 stops Chicago O'Hare Intl London Heathrow
$847British Airways
Thu, Nov 12 - Sun, Nov 15
British Airways Logo
11:00 am - 8:26 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 26m1 stop Philadelphia
British Airways Logo
5:29 pm - 5:50 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 21m2 stops Chicago O'Hare Intl London Heathrow
$848British Airways
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
1:20 pm - 12:20 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 00m2 stops Chicago O'Hare Intl London Heathrow
$851American Airlines
Thu, Nov 12 - Sun, Nov 15
Delta Logo
9:45 am - 6:15 pmFCO  Rome Fiumicino-STL Lambert-St Louis
15h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:38 pm - 2:25 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 47m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$852Delta
Wed, Oct 7 - Sun, Oct 11
Delta Logo
6:00 am - 9:51 pmFCO  Rome Fiumicino-STL Lambert-St Louis
21h 51m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County
Delta Logo
6:05 pm - 6:25 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 20m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$853Delta
Sun, Nov 1 - Sun, Nov 8
British Airways Logo
11:00 am - 8:26 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 26m1 stop Philadelphia
British Airways Logo
12:58 pm - 10:45 amSTL  Lambert-St Louis-FCO Rome Fiumicino
14h 47m1 stop Dallas/Fort Worth
$854British Airways
Thu, Nov 12 - Sun, Nov 15
British Airways Logo
11:00 am - 8:26 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 26m1 stop Philadelphia
British Airways Logo
12:58 pm - 10:45 amSTL  Lambert-St Louis-FCO Rome Fiumicino
14h 47m1 stop Dallas/Fort Worth
$855British Airways
Thu, Nov 12 - Sun, Nov 15

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Finnair flights from Rome to St. Louis

Our best Finnair deals on Rome to St. Louis flight tickets
Finnair
Nov 3
FCO6:40 pmRome Fiumicino
32h 39m
2 stops
STL8:19 pmLambert-St Louis
Nov 10
STL12:58 pmLambert-St Louis
14h 47m
1 stop
FCO10:45 amRome Fiumicino
$814
Finnair
Nov 3
FCO6:40 pmRome Fiumicino
32h 39m
2 stops
STL8:19 pmLambert-St Louis
Nov 10
STL12:58 pmLambert-St Louis
21h 57m
2 stops
FCO5:55 pmRome Fiumicino
$834

Delta flights from Rome to St. Louis

Our best Delta deals on Rome to St. Louis flight tickets
Delta
Nov 4
FCO6:10 amRome Fiumicino
16h 27m
2 stops
STL3:37 pmLambert-St Louis
Nov 11
STL12:29 pmLambert-St Louis
16h 01m
2 stops
FCO11:30 amRome Fiumicino
$845
Delta
Sep 30
FCO10:35 amRome Fiumicino
17h 00m
2 stops
STL8:35 pmLambert-St Louis
Oct 4
STL7:05 amLambert-St Louis
17h 50m
2 stops
FCO7:55 amRome Fiumicino
$850
Delta
Oct 7
FCO9:45 amRome Fiumicino
15h 30m
1 stop
STL6:15 pmLambert-St Louis
Oct 11
STL2:38 pmLambert-St Louis
16h 47m
2 stops
FCO2:25 pmRome Fiumicino
$852

momondo Fare Finder

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

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Cheapest round-trip

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Tue 11/3

6:40 pm-8:19 pm

2 stops32h 39m

Lambert-St Louis

Tue 11/10

12:58 pm-10:45 am

1 stop14h 47m

$814

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Tue 11/3

6:40 pm-8:19 pm

2 stops32h 39m

Lambert-St Louis

Tue 11/10

12:58 pm-5:55 pm

2 stops21h 57m

$834

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Wed 11/4

6:10 am-3:37 pm

2 stops16h 27m

Lambert-St Louis

Wed 11/11

12:29 pm-11:30 am

2 stops16h 01m

$845

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Thu 11/12

11:00 am-8:26 pm

1 stop16h 26m

Lambert-St Louis

Sun 11/15

5:29 pm-5:50 pm

2 stops17h 21m

$847

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Thu 11/12

11:00 am-8:26 pm

1 stop16h 26m

Lambert-St Louis

Sun 11/15

5:29 pm-5:50 pm

2 stops17h 21m

$848

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Thu 11/12

1:10 pm-11:33 pm

1 stop17h 23m

Lambert-St Louis

Sun 11/15

1:20 pm-12:20 pm

2 stops16h 00m

$851

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Wed 10/7

9:45 am-6:15 pm

1 stop15h 30m

Lambert-St Louis

Sun 10/11

2:38 pm-2:25 pm

2 stops16h 47m

$852

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Sun 11/1

6:00 am-9:51 pm

2 stops21h 51m

Lambert-St Louis

Sun 11/8

6:05 pm-6:25 pm

2 stops17h 20m

$853
Quickest round-trip

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Thu 11/12

11:00 am-8:26 pm

1 stop16h 26m

Lambert-St Louis

Sun 11/15

12:58 pm-10:45 am

1 stop14h 47m

$854

RomeSt. Louis

FCO Rome Fiumicino - STL Lambert-St Louis

FCOSTL

Rome Fiumicino

Thu 11/12

11:00 am-8:26 pm

1 stop16h 26m

Lambert-St Louis

Sun 11/15

12:58 pm-10:45 am

1 stop14h 47m

$855

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Rome 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 to St. Louis flights?

You could potentially save up to 3% on your flight if you consider stops on a Rome to St. Louis flight.

When to book flights from Rome to St. Louis

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

Cheap Rome to St. Louis (ROM to STL) flight deals and tips

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

Best Price Found

$562

Fastest flight time

24h 29m

Direct flights

None
The best one-way flight to St. Louis from Rome in the past 72 hours is $562. The best round-trip flight deal from Rome to St. Louis found on momondo in the last 72 hours is $814.
The fastest flight from Rome to St. Louis takes 24h 29m
There are no direct flights from Rome to St. Louis. There are no popular flight routes from Rome to St. Louis.
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Frequently asked questions about flying from Rome to St. Louis

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

    The distance between Rome and Lambert-St Louis is about 5053.3 mi. 24h 29m is a normal flight duration for this route.

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

    Prices for flights from Rome to Lambert-St Louis Airport were last updated today.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rome to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
Collinsville
Florissant
Hermann
Clayton
O'Fallon
Farmington
Festus
Fenton
Edwardsville
Wentzville
Eureka
Litchfield
Grafton
Waterloo

Why use momondo?

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

Finding the right flight to St. Louis from Rome is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

All flight searches from Rome to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Rome and St. Louis 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 Rome to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Rome are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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