FCO - STL

$632 Find Cheap Flights from Rome to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Rome to St. Louis departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

Search hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Rome to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Rome to St. Louis, as well as popular online travel agencies
In the last 7 days travelers have searched 46,646,933 times on KAYAK, and here is why:

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

 
These are the cheapest deals for flights from Rome to St. Louis currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Rome to St. Louis.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
12:15 pm - 3:06 pmFCO-STL
33h 51m2 stops
3:50 pm - 12:30 pmSTL-FCO
13h 40m2 stops
$766Air Canada
Find Deal
Fri, Dec 6 - Tue, Dec 10
9:45 am - 9:36 pmFCO-STL
18h 51m2 stops
12:00 pm - 7:55 amSTL-FCO
12h 55m1 stop
$775Lufthansa
Find Deal
Fri, Dec 6 - Tue, Dec 10
1:35 pm - 3:06 pmFCO-STL
31h 31m2 stops
11:20 am - 10:55 amSTL-FCO
16h 35m2 stops
$785United Airlines
Find Deal
Thu, Mar 27 - Thu, Apr 3
10:30 am - 11:28 pmFCO-STL
19h 58m1 stop
12:00 pm - 7:55 amSTL-FCO
12h 55m1 stop
$786Lufthansa
Find Deal
Fri, Dec 6 - Tue, Dec 10
9:50 am - 2:14 pmFCO-STL
35h 24m2 stops
8:00 am - 7:35 amSTL-FCO
16h 35m2 stops
$809United Airlines
Find Deal
Sat, Jan 11 - Sun, Apr 6
8:25 am - 3:06 pmFCO-STL
37h 41m2 stops
3:50 pm - 8:50 amSTL-FCO
34h 00m2 stops
Sat, Jan 11 - Sun, Apr 6
8:25 am - 3:06 pmFCO-STL
37h 41m2 stops
3:50 pm - 5:55 pmSTL-FCO
20h 05m2 stops
Sat, Jan 11 - Sun, Mar 9
3:40 pm - 8:54 amFCO-STL
24h 14m2 stops
6:29 pm - 7:35 pmSTL-FCO
18h 06m2 stops
$819British Airways
Find Deal
Wed, Jan 8 - Tue, Jan 14
11:25 am - 9:42 pmFCO-STL
41h 17m2 stops
2:00 pm - 1:45 pmSTL-FCO
16h 45m2 stops
$1,172Scandinavian Airlines
Find Deal
Sat, Jan 4 - Sun, Jan 12
6:05 am - 10:19 pmFCO-STL
23h 14m2 stops
6:00 pm - 4:30 pmSTL-FCO
15h 30m2 stops
$1,476British Airways
Find Deal
Fri, Jan 3 - Sun, Jan 12

Flights from Rome to St. Louis - Travel Insights & Trends

Get data-powered insights and trends into flights from Rome to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Rome to St. Louis?

The average price of all flights from Rome Fiumicino Airport to St. Louis clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to St. Louis on a Monday and more expensive on a Tuesday. On your return trip to Rome, you should consider flying back on a Tuesday, and avoid Sundays for better deals.

Good to know

Cheapest flight

$632
Flight from Rome 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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Rome to St. Louis flights

  • What is the cheapest flight from Rome Fiumicino Airport to St. Louis?

    In the last 3 days, the lowest price for a flight from Rome Fiumicino Airport to St. Louis was $632 for a one-way ticket and $766 for a round-trip.

  • Do I need a passport to fly between Rome and St. Louis?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Rome and on arrival in St. Louis.

  • Which airports will I be using when flying from Rome to St. Louis?

    Rome and St. Louis are both served by 1 main airport. You will leave Rome from Rome Fiumicino and will be arriving at Lambert-St Louis.

  • Which aircraft models fly most regularly from Rome to St. Louis?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Rome to St. Louis?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Rome and St. Louis, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Rome to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Rome to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Rome to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Rome is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Rome to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Rome with another airline. Booking your flights between Rome and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Rome to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Rome up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Rome to St. Louis

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Rome to St. Louis found on KAYAK in the last 72 hours.
3/4Tue
3 stops
27h 00mFCO-STL
$632
3/4Tue
2 stopsTurkish Airlines
26h 16mFCO-STL
$639
3/4Tue
2 stopsTurkish Airlines
38h 41mFCO-STL
$640
4/13Sun
2 stopsTurkish Airlines
29h 48mFCO-STL
$699
5/7Wed
1 stopKLM
20h 53mFCO-STL
$825
3/4Tue
1 stopBritish Airways
14h 33mFCO-STL
$937
4/13Sun
1 stopBritish Airways
15h 10mFCO-STL
$1,012
3/4Tue
1 stopBritish Airways
14h 33mFCO-STL
$1,014
5/7Wed
3 stops
30h 59mFCO-STL
$1,314
4/13Sun
3 stopsUnited Airlines
34h 36mFCO-STL
$1,479

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Everything you need to know for your flight from Rome to St. Louis

Information on your arrival and departure airports

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