Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Rome from $301

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 departing on 2/16. 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.
10:10 am - 8:45 amSTL-FCO
15h 35m1 stop
12:15 pm - 2:25 pmFCO-STL
33h 10m2 stops
$677United Airlines
Find Deal
Mon, Dec 2 - Fri, Dec 13
10:10 am - 8:30 amSTL-FCO
15h 20m2 stops
12:15 pm - 2:25 pmFCO-STL
33h 10m2 stops
$681United Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
5:40 pm - 10:00 amSTL-FCO
33h 20m2 stops
12:15 pm - 2:25 pmFCO-STL
33h 10m2 stops
$683United Airlines
Find Deal
Mon, Dec 2 - Fri, Dec 13
3:50 pm - 10:00 amSTL-FCO
35h 10m2 stops
12:15 pm - 3:38 pmFCO-STL
34h 23m2 stops
$686Air Canada
Find Deal
Mon, Jan 20 - Wed, Jan 29
5:30 pm - 10:00 amSTL-FCO
33h 30m2 stops
7:05 am - 3:06 pmFCO-STL
39h 01m2 stops
$700Air Canada
Find Deal
Mon, Dec 30 - Fri, Jan 10
7:15 am - 10:30 amSTL-FCO
20h 15m1 stop
12:00 pm - 11:43 pmFCO-STL
18h 43m2 stops
$704Delta
Find Deal
Wed, Dec 4 - Wed, Dec 11
11:28 am - 12:55 pmSTL-FCO
18h 27m2 stops
10:30 am - 11:30 pmFCO-STL
20h 00m1 stop
$748Lufthansa
Find Deal
Tue, Jan 14 - Tue, Jan 21
3:45 pm - 5:55 pmSTL-FCO
19h 10m1 stop
6:40 pm - 1:55 pmFCO-STL
26h 15m1 stop
$790Lufthansa
Find Deal
Sun, Feb 16 - Sat, Feb 22
6:00 am - 7:55 amSTL-FCO
18h 55m1 stop
12:45 pm - 11:47 amFCO-STL
30h 02m1 stop
$976Delta
Find Deal
Thu, Jan 2 - Fri, Jan 17
1:46 pm - 12:25 pmSTL-FCO
15h 39m2 stops
1:10 pm - 8:59 pmFCO-STL
14h 49m1 stop
$1,906British Airways
Find Deal
Fri, Nov 22 - Tue, Dec 3
5:20 pm - 12:30 amSTL-FCO
48h 10m2 stops
Sun, Feb 16
5:38 pm - 12:30 amSTL-FCO
47h 52m3 stops
Mon, Dec 2
3:45 pm - 12:40 pmSTL-FCO
13h 55m1 stop
$461Lufthansa
Find Deal
Sun, Feb 16
12:15 pm - 3:50 pmSTL-FCO
20h 35m3 stops
Sun, Feb 16
6:41 pm - 1:15 pmSTL-FCO
59h 34m3 stops
Thu, Nov 28
10:10 am - 10:00 amSTL-FCO
16h 50m2 stops
$486Air Canada
Find Deal
Tue, Dec 10
5:40 pm - 10:00 amSTL-FCO
33h 20m2 stops
$490Air Canada
Find Deal
Mon, Dec 2
1:46 pm - 9:00 amSTL-FCO
12h 14m1 stop
$493Iberia
Find Deal
Mon, Dec 2
5:00 pm - 10:30 amSTL-FCO
34h 30m1 stop
$503KLM
Find Deal
Sat, Dec 7
10:28 am - 10:30 amSTL-FCO
17h 02m1 stop
$541KLM
Find Deal
Fri, Dec 6
6:35 am - 11:55 amSTL-FCO
22h 20m1 stop
6:35 am - 6:40 amFCO-STL
31h 05m2 stops
$1,144
Find Deal
Thu, Nov 21 - Sat, Nov 23
6:35 am - 11:55 amSTL-FCO
22h 20m1 stop
6:35 am - 6:40 amFCO-STL
31h 05m2 stops
$1,161
Find Deal
Thu, Nov 21 - Sat, Nov 23
5:34 pm - 10:30 amSTL-FCO
33h 56m1 stop
10:15 am - 11:41 pmFCO-STL
20h 26m1 stop
$1,257Delta
Find Deal
Sat, Nov 23 - Tue, Dec 3
5:34 pm - 10:30 amSTL-FCO
33h 56m1 stop
10:00 am - 8:49 pmFCO-STL
17h 49m2 stops
$1,272Delta
Find Deal
Sat, Nov 23 - Tue, Dec 3
11:20 am - 8:45 amSTL-FCO
14h 25m1 stop
12:15 pm - 12:19 pmFCO-STL
31h 04m2 stops
$1,371United Airlines
Find Deal
Tue, Nov 19 - Thu, Nov 28
10:10 am - 7:55 amSTL-FCO
14h 45m2 stops
12:15 pm - 2:25 pmFCO-STL
33h 10m2 stops
$1,375United Airlines
Find Deal
Tue, Nov 19 - Thu, Nov 28
3:50 pm - 10:00 amSTL-FCO
35h 10m2 stops
12:15 pm - 3:06 pmFCO-STL
33h 51m2 stops
$1,381Air Canada
Find Deal
Sat, Nov 23 - Wed, Dec 4
12:52 pm - 12:30 pmSTL-FCO
16h 38m2 stops
11:25 am - 9:57 pmFCO-STL
17h 32m2 stops
$1,497British Airways
Find Deal
Wed, Nov 20 - Wed, Dec 4
12:52 pm - 12:30 pmSTL-FCO
16h 38m2 stops
1:10 pm - 8:59 pmFCO-STL
14h 49m1 stop
$1,566British Airways
Find Deal
Wed, Nov 20 - Tue, Dec 3
3:50 pm - 10:00 amSTL-FCO
35h 10m2 stops
12:15 pm - 3:06 pmFCO-STL
33h 51m1 stop
$1,617Air Canada
Find Deal
Sat, Nov 23 - Tue, Dec 3

Delta flights from St. Louis to Rome

Our best Delta deals on St. Louis to Rome flight tickets
Delta
Dec 4
STL7:15 amLambert-St Louis
20h 15m
1 stop
FCO10:30 amRome Fiumicino
Dec 11
FCO12:00 pmRome Fiumicino
18h 43m
2 stops
STL11:43 pmLambert-St Louis
Delta
Jan 2
STL6:00 amLambert-St Louis
18h 55m
1 stop
FCO7:55 amRome Fiumicino
Jan 17
FCO12:45 pmRome Fiumicino
30h 02m
1 stop
STL11:47 amLambert-St Louis
Delta
Nov 24
STL10:14 amLambert-St Louis
17h 16m
1 stop
FCO10:30 amRome Fiumicino
Dec 4
FCO12:45 pmRome Fiumicino
17h 56m
1 stop
STL11:41 pmLambert-St Louis

KLM flights from St. Louis to Rome

Our best KLM deals on St. Louis to Rome flight tickets
KLM
Dec 2
STL10:09 amLambert-St Louis
17h 21m
1 stop
FCO10:30 amRome Fiumicino
Dec 13
FCO12:45 pmRome Fiumicino
15h 19m
1 stop
STL9:04 pmLambert-St Louis
KLM
Feb 4
STL7:15 amLambert-St Louis
20h 15m
1 stop
FCO10:30 amRome Fiumicino
Feb 14
FCO12:45 pmRome Fiumicino
14h 17m
1 stop
STL8:02 pmLambert-St Louis
KLM
Dec 6
STL7:15 amLambert-St Louis
20h 15m
1 stop
FCO10:30 amRome Fiumicino
Dec 18
FCO12:45 pmRome Fiumicino
17h 58m
1 stop
STL11:43 pmLambert-St Louis

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

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 St. Louis to Rome?

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

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

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

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

In the afternoon. St. Louis to Rome flights are approximately 14% more expensive in the evening than in the afternoon

What is the cheapest airline that flies to Rome from St. Louis?

Iberia. Iberia, Lufthansa, and Delta are the most popular carriers operating from St. Louis to Rome

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

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

How far in advance should you book St. Louis to Rome flights?

13 days before. The cheapest time to buy a flight from St. Louis to Rome is approximately 13 days to departure

Can stopping save me money on St. Louis to Rome flights?

You could potentially save up to 34% on your flight if you consider stops on a St. Louis to Rome flight.

How have St. Louis to Rome flight prices changed over time?


When to book flights from St. Louis to Rome

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

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

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

Best Price Found

$301

Fastest flight time

11h 26m

Direct flights

None

Airports in Rome

2 airports
The best one-way flight to Rome from St. Louis in the past 72 hours is $301. The best round-trip flight deal from St. Louis to Rome found on momondo in the last 72 hours is $677.
The fastest flight from St. Louis to Rome takes 11h 26m
There are no direct flights from St. Louis to Rome. Popular non-direct routes for this connection are Lambert-St Louis Airport - Rome Ciampino Airport and Lambert-St Louis Airport - Rome Fiumicino Airport.
There are 2 airports near Rome: Rome Fiumicino (FCO), Rome Ciampino (CIA)

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

    A flight from Lambert-St Louis to Rome will travel around 5053.3 mi. Typically, this will take 11h 26m by plane in normal conditions.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Rome.

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

    The necessary travel and health documents for your Rome trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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


Best airlines flying from St. Louis to Rome

Compare and see reviews for airlines that fly from St. Louis to Rome with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom $547Free CancellationRating
7.0
2,662 reviews
Search Iberia flights
LufthansaPriceFrom $668Free CancellationRating
6.8
7,155 reviews
Search Lufthansa flights
United AirlinesPriceFrom $687Free CancellationRating
7.4
9,168 reviews
Search United Airlines flights
American AirlinesPriceFrom $721Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $726Free CancellationRating
8.0
8,766 reviews
Search Delta flights
British AirwaysPriceFrom $753Free CancellationRating
6.6
6,838 reviews
Search British Airways flights
Air CanadaPriceFrom $779Free CancellationRating
7.0
8,230 reviews
Search Air Canada flights
KLMPriceFrom $805Free CancellationRating
7.8
1,350 reviews
Search KLM flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Rome. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Rome from St. Louis with this policy.

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

Once all potential St. Louis to Rome flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from St. Louis to Rome now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rome and let you know when they change.


An easier way to manage your Rome 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?
Sat 11/23
Sat 11/30
Email me momondo's favorite deals

Find better results for your trip to Italy

Fly into one of these airports located in Rome

Airports listed have a maximum distance of 14.7 mi from Rome