Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Rome Fiumicino Airport from $321

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Rome Fiumicino Airport departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
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.

Find the cheapest flights from St. Louis to Rome

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Rome that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Rome.

Cheap last minute flights

Planning a quick getaway from St. Louis to Rome? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Rome, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Rome

Find recent round-trip train or bus tickets from St. Louis to Rome.

All round-trip flight deals to Rome

The cheapest plane tickets to Rome found on KAYAK recently.
10:18 am - 11:30 amSTL-FCO
18h 12m2 stops
11:15 am - 5:11 pmFCO-STL
35h 56m2 stops
$643Air Canada
Find Deal
Sun, Feb 23 - Tue, Mar 11
2:00 pm - 1:45 pmSTL-FCO
16h 45m2 stops
2:35 pm - 11:36 pmFCO-STL
40h 01m2 stops
$652Scandinavian Airlines
Find Deal
Sun, Feb 9 - Tue, Feb 25
10:18 am - 11:30 amSTL-FCO
18h 12m2 stops
11:15 am - 3:06 pmFCO-STL
33h 51m1 stop
$653Air Canada
Find Deal
Sun, Feb 23 - Tue, Mar 11
8:00 am - 7:55 amSTL-FCO
16h 55m1 stop
11:45 am - 3:47 pmFCO-STL
35h 02m3 stops
$668United Airlines
Find Deal
Sun, Mar 30 - Tue, Apr 8
5:33 pm - 9:00 amSTL-FCO
33h 27m2 stops
11:45 am - 12:20 pmFCO-STL
31h 35m2 stops
$673United Airlines
Find Deal
Tue, Mar 25 - Tue, Apr 1
6:29 pm - 5:45 pmSTL-FCO
16h 16m2 stops
1:10 pm - 8:42 pmFCO-STL
14h 32m1 stop
$693American Airlines
Find Deal
Sun, Feb 9 - Tue, Feb 18
3:10 pm - 2:20 pmSTL-FCO
16h 10m2 stops
1:10 pm - 8:42 pmFCO-STL
14h 32m1 stop
$694British Airways
Find Deal
Sun, Feb 9 - Thu, Feb 20
3:10 pm - 2:20 pmSTL-FCO
16h 10m2 stops
1:10 pm - 8:42 pmFCO-STL
14h 32m1 stop
$744British Airways
Find Deal
Sun, Feb 9 - Mon, Feb 17
7:10 am - 9:25 amSTL-FCO
20h 15m1 stop
12:50 pm - 9:36 amFCO-STL
26h 46m2 stops
$845Delta
Find Deal
Tue, Mar 11 - Sat, Mar 22
7:10 am - 9:25 amSTL-FCO
20h 15m1 stop
9:20 am - 6:05 pmFCO-STL
14h 45m1 stop
$938Delta
Find Deal
Fri, Mar 21 - Fri, Mar 28
5:05 pm - 12:30 amSTL-FCO
48h 25m2 stops
Sun, Feb 9
5:20 pm - 12:30 amSTL-FCO
48h 10m2 stops
Wed, Feb 19
10:45 am - 9:25 amSTL-FCO
16h 40m1 stop
$499KLM
Find Deal
Tue, Mar 25
5:33 pm - 9:00 amSTL-FCO
33h 27m2 stops
$500Air Canada
Find Deal
Sat, Mar 15
11:04 am - 10:30 amSTL-FCO
16h 26m1 stop
$505KLM
Find Deal
Sun, Feb 9
3:45 pm - 12:45 pmSTL-FCO
14h 00m1 stop
$516Lufthansa
Find Deal
Wed, Mar 5
5:33 pm - 7:45 amSTL-FCO
32h 12m1 stop
$526United Airlines
Find Deal
Sat, Mar 15
1:30 pm - 9:15 amSTL-FCO
12h 45m1 stop
$702Air Canada
Find Deal
Wed, Jul 2
3:30 pm - 5:45 pmSTL-FCO
19h 15m1 stop
$1,005Lufthansa
Find Deal
Sun, Jun 15
1:30 pm - 9:15 amSTL-FCO
12h 45m1 stop
$1,010United Airlines
Find Deal
Sun, Jun 15
3:10 pm - 10:55 amSTL-FCO
36h 45m2 stops
11:35 am - 10:09 pmFCO-STL
17h 34m2 stops
$1,129Aer Lingus
Find Deal
Tue, Jan 14 - Mon, Jan 20
1:00 pm - 2:00 pmSTL-FCO
18h 00m3 stops
8:40 am - 11:30 pmFCO-STL
21h 50m3 stops
$1,215
Find Deal
Sun, Jan 12 - Tue, Jan 14
3:45 pm - 3:10 pmSTL-FCO
16h 25m2 stops
8:40 am - 11:30 pmFCO-STL
21h 50m3 stops
$1,372
Find Deal
Sun, Jan 12 - Tue, Jan 14
11:28 am - 7:55 amSTL-FCO
13h 27m1 stop
10:15 am - 11:30 pmFCO-STL
44h 15m2 stops
$1,441Austrian Airlines
Find Deal
Tue, Jan 14 - Mon, Jan 20
2:00 pm - 10:30 amSTL-FCO
13h 30m1 stop
12:45 pm - 11:38 pmFCO-STL
17h 53m1 stop
$1,649KLM
Find Deal
Tue, Jan 14 - Mon, Jan 20
3:45 pm - 5:55 pmSTL-FCO
19h 10m1 stop
6:45 pm - 1:55 pmFCO-STL
26h 10m1 stop
$1,681Lufthansa
Find Deal
Sun, Jan 12 - Tue, Jan 14
5:30 pm - 6:55 pmSTL-FCO
18h 25m2 stops
1:20 pm - 11:30 pmFCO-STL
17h 10m2 stops
$1,686Lufthansa
Find Deal
Sun, Jan 12 - Tue, Jan 14
3:45 pm - 12:40 pmSTL-FCO
13h 55m1 stop
1:20 pm - 11:30 pmFCO-STL
17h 10m2 stops
$1,693Lufthansa
Find Deal
Sun, Jan 12 - Tue, Jan 14
11:28 am - 7:55 amSTL-FCO
13h 27m1 stop
12:15 pm - 4:25 pmFCO-STL
35h 10m2 stops
$1,724United Airlines
Find Deal
Mon, Jan 13 - Wed, Jan 15
11:38 am - 1:55 pmSTL-FCO
19h 17m2 stops
7:30 am - 8:41 pmFCO-STL
20h 11m2 stops
$5,111Iberia
Find Deal
Fri, Jan 10 - Thu, Jan 16

United Airlines flights from St. Louis to Rome Fiumicino Airport

Our best United Airlines deals on St. Louis to Rome Fiumicino Airport flight tickets
United Airlines
Mar 30
STL8:00 amLambert-St Louis
16h 55m
1 stop
FCO7:55 amRome Fiumicino
Apr 8
FCO11:45 amRome Fiumicino
35h 02m
3 stops
STL3:47 pmLambert-St Louis
United Airlines
Mar 25
STL5:33 pmLambert-St Louis
33h 27m
2 stops
FCO9:00 amRome Fiumicino
Apr 1
FCO11:45 amRome Fiumicino
31h 35m
2 stops
STL12:20 pmLambert-St Louis
United Airlines
Feb 23
STL5:34 pmLambert-St Louis
31h 21m
1 stop
FCO7:55 amRome Fiumicino
Mar 11
FCO11:15 amRome Fiumicino
33h 51m
1 stop
STL3:06 pmLambert-St Louis

British Airways flights from St. Louis to Rome Fiumicino Airport

Our best British Airways deals on St. Louis to Rome Fiumicino Airport flight tickets
British Airways
Feb 9
STL3:10 pmLambert-St Louis
16h 10m
2 stops
FCO2:20 pmRome Fiumicino
Feb 20
FCO1:10 pmRome Fiumicino
14h 32m
1 stop
STL8:42 pmLambert-St Louis
British Airways
Feb 9
STL3:10 pmLambert-St Louis
16h 10m
2 stops
FCO2:20 pmRome Fiumicino
Feb 17
FCO1:10 pmRome Fiumicino
14h 32m
1 stop
STL8:42 pmLambert-St Louis
British Airways
Apr 7
STL11:21 amLambert-St Louis
13h 44m
1 stop
FCO8:05 amRome Fiumicino
Apr 14
FCO8:25 pmRome Fiumicino
25h 26m
2 stops
STL2:51 pmLambert-St Louis

See travel insights to Rome from

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

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

What is the cheapest month to fly to Rome Fiumicino Airport?

The cheapest month to fly to Rome Fiumicino Airport from St. Louis is in January. Flight prices, which tend to average around $744, are often lower during this time because this is during the off-season. If you aren’t able to travel to Rome Fiumicino Airport during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $761.

What is the cheapest day to depart on your flight to Rome Fiumicino Airport?

Our data shows that Tuesday is the least expensive day to fly to Rome Fiumicino Airport. Tickets to fly out on this day can be as low as $1,037. The most expensive day to fly to Rome Fiumicino Airport is Sunday, with ticket prices averaging around $1,259.

What is the cheapest time of day to depart on your flight to Rome Fiumicino Airport?

According to our data, the cheapest time of day to fly to Rome Fiumicino Airport is in the afternoon. momondo users have found flights departing from St. Louis to Rome Fiumicino Airport in the afternoon for as low as $1,077. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,148.

How far in advance should I book a flight to Rome Fiumicino Airport?

The best time to book a flight to Rome Fiumicino Airport from St. Louis is 1 days out, which is when prices tend to be around $1,090. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rome Fiumicino Airport from St. Louis for as low as $547 on momondo.

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

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

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

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

Best Price Found

$321

Fastest flight time

11h 43m

Direct flights

None
The best one-way flight to Rome Fiumicino Airport from St. Louis in the past 72 hours is $321. The best round-trip flight deal from St. Louis to Rome Fiumicino Airport found on momondo in the last 72 hours is $643.
The fastest flight from St. Louis to Rome Fiumicino Airport takes 11h 43m
There are no direct flights from St. Louis to Rome Fiumicino Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - Rome Fiumicino Airport.

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

    A flight from Lambert-St Louis to Rome Fiumicino will travel around 5048.2 mi. 11h 43m is a normal flight duration for this route.

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

    Prices for flights from Lambert-St Louis Airport to Rome Fiumicino Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Rome Fiumicino Airport?

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

  • What documentation or ID do you need to fly to Rome Fiumicino Airport?

    The travel and health documents you'll need for your trip to Rome Fiumicino Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rome Fiumicino Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Rome Fiumicino Airport?


Best airlines flying from St. Louis to Rome Fiumicino Airport

Compare and see reviews for airlines that fly from St. Louis to Rome Fiumicino Airport with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom $630Free CancellationRating
7.0
2,633 reviews
Search Iberia flights
LufthansaPriceFrom $668Free CancellationRating
6.7
7,078 reviews
Search Lufthansa flights
United AirlinesPriceFrom $688Free CancellationRating
7.4
8,942 reviews
Search United Airlines flights
British AirwaysPriceFrom $708Free CancellationRating
6.6
6,792 reviews
Search British Airways flights
DeltaPriceFrom $720Free CancellationRating
8.0
8,501 reviews
Search Delta flights
American AirlinesPriceFrom $721Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $738Free CancellationRating
7.0
8,516 reviews
Search Air Canada flights
KLMPriceFrom $831Free CancellationRating
7.8
1,336 reviews
Search KLM flights

Why use momondo?

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

Finding the right flight to Rome from St. Louis 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 Rome quick and easy, saving you time and money.

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

Flights from St. Louis to Rome with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for St. Louis to Rome flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Rome from St. Louis 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.


An easier way to manage your Rome Fiumicino Airport 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 1/15
Wed 1/22
Email me momondo's favorite deals

Find better results for your trip to Rome

Popular cities in Italy

Popular flights according to clicks in the last 7 days on momondo