Insights
Latest deals
FAQs

Cheap flights from Rome to St. Louis from $314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rome to St. Louis departing on 5/11. 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
From?
To?
Wed 5/1
Wed 5/8
"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? Create a price alert to track prices.

Easily compare round-trip flights from Rome to St. Louis

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Rome to St. Louis by changing tabs
Multiple Airlines
May 8
FCO1:05 pmRome Fiumicino
15h 00m
1 stop
STL9:05 pmLambert-St Louis
May 15
STL11:10 amLambert-St Louis
19h 40m
2 stops
FCO1:50 pmRome Fiumicino
Air Canada
May 8
FCO9:40 amRome Fiumicino
17h 21m
2 stops
STL8:01 pmLambert-St Louis
May 15
STL9:50 amLambert-St Louis
16h 30m
2 stops
FCO9:20 amRome Fiumicino
Air Canada
May 28
FCO8:05 amRome Fiumicino
18h 56m
2 stops
STL8:01 pmLambert-St Louis
Dec 28
STL4:10 pmLambert-St Louis
14h 50m
2 stops
FCO2:00 pmRome Fiumicino
Multiple Airlines
May 28
FCO12:10 pmRome Fiumicino
29h 19m
1 stop
STL10:29 amLambert-St Louis
Dec 28
STL2:41 pmLambert-St Louis
11h 19m
1 stop
FCO9:00 amRome Fiumicino
Air Canada
May 28
FCO1:05 pmRome Fiumicino
15h 00m
1 stop
STL9:05 pmLambert-St Louis
Dec 28
STL4:10 pmLambert-St Louis
14h 50m
2 stops
FCO2:00 pmRome Fiumicino
Multiple Airlines
May 8
FCO1:05 pmRome Fiumicino
15h 00m
1 stop
STL9:05 pmLambert-St Louis
May 15
STL8:27 amLambert-St Louis
21h 38m
1 stop
FCO1:05 pmRome Fiumicino

Find the cheapest one-way flights from Rome to St. Louis

If you're looking for one-way flights from Rome to St. Louis, view some of our deals below provided by American Airlines, Iberia and WestJet
Multiple Airlines
May 11
FCO7:00 amRome Fiumicino
31h 13m
2 stops
STL7:13 amLambert-St Louis
Multiple Airlines
May 11
FCO6:45 pmRome Fiumicino
51h 29m
3 stops
STL3:14 pmLambert-St Louis
WestJet
Aug 8
FCO2:40 pmRome Fiumicino
36h 52m
2 stops
STL8:32 pmLambert-St Louis

Search last-minute flights to St. Louis from Rome

Find and compare round-trip flight prices for your last-minute flight from Rome to St. Louis
British Airways
May 3
FCO10:10 amRome Fiumicino
16h 19m
1 stop
STL7:29 pmLambert-St Louis
May 7
STL11:09 amLambert-St Louis
13h 56m
1 stop
FCO8:05 amRome Fiumicino
Air Canada
May 3
FCO1:05 pmRome Fiumicino
15h 00m
1 stop
STL9:05 pmLambert-St Louis
May 7
STL9:50 amLambert-St Louis
16h 45m
2 stops
FCO9:35 amRome Fiumicino
United Airlines
May 3
FCO9:45 amRome Fiumicino
19h 10m
2 stops
STL9:55 pmLambert-St Louis
May 7
STL11:10 amLambert-St Louis
14h 05m
2 stops
FCO8:15 amRome Fiumicino

Air Canada flights from Rome to St. Louis

Our best Air Canada deals on Rome to St. Louis flight tickets
Air Canada
May 3
FCO1:05 pmRome Fiumicino
15h 00m
1 stop
STL9:05 pmLambert-St Louis
May 7
STL9:50 amLambert-St Louis
16h 45m
2 stops
FCO9:35 amRome Fiumicino
Air Canada
May 8
FCO9:40 amRome Fiumicino
17h 21m
2 stops
STL8:01 pmLambert-St Louis
May 15
STL9:50 amLambert-St Louis
16h 30m
2 stops
FCO9:20 amRome Fiumicino
Air Canada
May 28
FCO8:05 amRome Fiumicino
18h 56m
2 stops
STL8:01 pmLambert-St Louis
Dec 28
STL4:10 pmLambert-St Louis
14h 50m
2 stops
FCO2:00 pmRome Fiumicino

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

What is the cheapest month to fly from Rome to St. Louis?

February. The cheapest time of year to fly to St. Louis from Rome is February. Most expensive is June

What is the cheapest day to depart Rome for St. Louis?

Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Friday

When is the cheapest time to fly from Rome to St. Louis?

In the morning. Rome to St. Louis flights are approximately 15% more expensive at noon than in the morning

What is the cheapest Rome to St. Louis flight route?

Rome Fiumicino - Lambert-St Louis. Fly from Rome Fiumicino to Lambert-St Louis for the best Rome - St. Louis flight prices

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

$314

Fastest flight time

14h 20m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Rome in the past 72 hours is $314. The best round-trip flight deal from Rome to St. Louis found on momondo in the last 72 hours is $828.
The fastest flight from Rome to St. Louis takes 14h 20m
There are no direct flights from Rome to St. Louis. Popular non-direct route for this connection is Rome Fiumicino Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    The distance between Rome and Lambert-St Louis is about 5053.3 mi. 15h 00m 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.


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.


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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 5/1
Wed 5/8
Email me momondo's favorite deals

Find better results for your stay in the United States