Skyscanner home

C$602 Cheap Flights from Rome Fiumicino (FCO) to St Louis (STL)

Compare Rome Fiumicino to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

Book the best St Louis fare with no extra fees

TrustScore 4.6 out of 5 4.6 out of 5 based on 971 reviews Trustpilot

Flight deals from Rome Fiumicino to St Louis

Looking for a cheap last-minute deal or the best return flight from Rome Fiumicino Airport to St Louis Airport? If you want to travel next month, return fares start from C$1,232. Find the lowest prices on one-way and return tickets right here.
St Louis.C$602 per passenger.Departing Thu., Jun. 4.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Rome Fiumicino on Thu., Jun. 4, arriving in St Louis.Price includes taxes and charges.From C$602, select.
St Louis.C$628 per passenger.Departing Mon., Sep. 21.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from Rome Fiumicino on Mon., Sep. 21, arriving in St Louis.Price includes taxes and charges.From C$628, select.
St Louis.C$657 per passenger.Departing Thu., Oct. 1.One-way flight with Transavia France.Outbound indirect flight with Transavia France, departs from Rome Fiumicino on Thu., Oct. 1, arriving in St Louis.Price includes taxes and charges.From C$657, select.
St Louis.C$668 per passenger.Departing Mon., Aug. 31.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Rome Fiumicino on Mon., Aug. 31, arriving in St Louis.Price includes taxes and charges.From C$668, select.
St Louis.C$691 per passenger.Departing Thu., Jul. 23.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from Rome Fiumicino on Thu., Jul. 23, arriving in St Louis.Price includes taxes and charges.From C$691, select.
St Louis.C$775 per passenger.Departing Sun., Nov. 15.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Rome Fiumicino on Sun., Nov. 15, arriving in St Louis.Price includes taxes and charges.From C$775, select.
St Louis.C$854 per passenger.Departing Mon., Jan. 11.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Rome Fiumicino on Mon., Jan. 11, arriving in St Louis.Price includes taxes and charges.From C$854, select.
St Louis.C$1,041 per passenger.Departing Sun., May 31.One-way flight with ITA Airways.Outbound indirect flight with ITA Airways, departs from Rome Fiumicino on Sun., May 31, arriving in St Louis.Price includes taxes and charges.From C$1,041, select.
St Louis.C$2,407 per passenger.Departing Mon., Mar. 15.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Rome Fiumicino on Mon., Mar. 15, arriving in St Louis.Price includes taxes and charges.From C$2,407, select.

Find the cheapest month to fly from Rome Fiumicino to St Louis from C$601 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rome Fiumicino to St Louis flights are currently cheapest in June.
May
from C$1,041
Jun.
from C$601
Jul.
from C$691
Aug.
from C$668
Sep.
from C$628
Oct.
from C$657
Nov.
from C$775
Dec.
Find prices
Jan.
from C$854
Feb.
Find prices
Mar.
from C$2,407
Apr.
Find prices

Rome Fiumicino to St Louis: Alternative routes

Compare routes from Rome Fiumicino to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

St Louis

20km from central St Louis
ClosestCheapest
from C$601
Search flights

Belleville

32km from central St Louis
from C$994
Search flights

Sparta Community

69km from central St Louis
Search flights

Rome to St Louis: Flight information

The things to know before you go.
Cheapest flight foundC$601
Cheapest month to flyJune

Finding cheap flights from Rome Fiumicino to St Louis: Frequently asked questions

The best price we found for a return flight from Rome Fiumicino to St Louis is C$1,232. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Rome Fiumicino to St Louis. But we found flights with one or more stops from C$1,232.
As of May 2026, there are no flights flying from Rome Fiumicino to St Louis.
The cheapest month to fly from Rome Fiumicino to St Louis is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rome Fiumicino Airport to St Louis Airport on Tuesday, June 2, 2026.
No airlines currently offer direct flights between Rome Fiumicino Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Norse Atlantic Airways offers the cheapest flight tickets to St Louis.

Flying from Leonardo da Vinci-Fiumicino Airport (FCO) to Lambert-St. Louis International Airport (STL): what you need to know

  • Getting on a plane during a peak time like August? Popular seasons (like summer, Christmas and New Year) can add another hour at security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • If you prefer a stopover for your flight from Leonardo da Vinci-Fiumicino Airport to Lambert-St. Louis International Airport, simply uncheck 'Direct flights only' and look at all your options. These are the top stopovers between FCO and STL:

    • Detroit Metropolitan Wayne County Airport

    • Frankfurt Airport

    • O'Hare International Airport

  • Don't forget, you may need a visa to enter United States. Visa regulations can vary and travel documentation requirements frequently change. Before organizing your cheap ticket from FCO to STL, be sure to check with your carrier and your destination country's local embassy or consulate for the latest information.

How to find the cheapest flights from Leonardo da Vinci-Fiumicino Airport (FCO) to Lambert-St. Louis International Airport (STL)

  • The lowest price we've found for a one-way ticket from Leonardo da Vinci-Fiumicino Airport to Lambert-St. Louis International Airport is C$602. For a return flight on this route, the best price is C$1,232. Depending on the availability and when you book, these fares could change.

  • To score cheap flight tickets from FCO to STL, book ahead. Airlines tend to offer their best fares when flights are first released.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' tool. It'll find the lowest price in each month when looking for a ticket from Leonardo da Vinci-Fiumicino Airport to Lambert-St. Louis International Airport.

  • Log into your online account or use the app to create a Price Alert. We'll get in touch right away if there's a better deal on this route. It's simple to do, and it'll save you time checking for cheap flight tickets from FCO to STL every day.

  • Tailor your flights using filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Leonardo da Vinci-Fiumicino Airport to Lambert-St. Louis International Airport.

Handy information about Leonardo da Vinci-Fiumicino Airport (FCO)

  • Located around 32 kilometres from central Rome, Leonardo da Vinci-Fiumicino Airport can be reached in approximately 39 minutes by car (depending on traffic). The ride on public transport is roughly 51 minutes.

  • Want a leisurely start to your travels? Stay near FCO. Whether you're boarding an early flight from Leonardo da Vinci-Fiumicino Airport to Lambert-St. Louis International Airport or just don't like being rushed, these stays are the answer:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • Lambert-St. Louis International Airport to the center of St Louis takes around 21 minutes in a car. It's approximately 26 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing.

  • It takes roughly 36 minutes if you're using public transport.

When to fly to Lambert-St. Louis International Airport (STL)

  • It's time to plan your dates for your flight from Leonardo da Vinci-Fiumicino Airport to Lambert-St. Louis International Airport. July is the busiest month to visit St Louis. If you prefer a more low-key vibe, go in April.

  • Before locking in your flight from Leonardo da Vinci-Fiumicino Airport to Lambert-St. Louis International Airport, consider the kind of weather you enjoy. July is the warmest month in St Louis, with the temperature ranging from 17ºC to 33ºC.

  • January has average temperatures of between -8ºC and 7ºC. Look for cheap flight tickets from FCO to STL sometime around then if you'd rather travel in cooler conditions.

More about St Louis

Complete your St Louis trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. After booking your cheap ticket to Lambert-St. Louis International Airport, browse our car rental deals that'll give you the flexibility and freedom to see the sights at your own pace. Next, have a look at our exclusive rates for hotels to find the perfect St Louis stay.

Plan the rest of your trip from Rome to St Louis

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.