Latest deals
When to book
FAQs
Price Alerts

Cheap flights from St. Louis to Rome from $399

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Rome

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:25 pm - 8:05 pmSTL  Lambert-St Louis-CIA Rome Ciampino
23h 40m3 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl Tirana Rinas
Multiple Airlines Logo
6:00 am - 7:30 pmCIA  Rome Ciampino-STL Lambert-St Louis
20h 30m3 stops Manchester Dublin Reykjavik Keflavik Intl
$1,242Multiple Airlines
Mon, May 3 - Mon, May 31
Multiple Airlines Logo
4:05 pm - 5:55 pmSTL  Lambert-St Louis-CIA Rome Ciampino
18h 50m2 stops Toronto Pearson Intl Manchester
Multiple Airlines Logo
8:40 pm - 12:12 amCIA  Rome Ciampino-STL Lambert-St Louis
34h 32m3 stops Manchester Dublin Orlando
$1,655Multiple Airlines
Mon, Nov 30 - Mon, Dec 7
Multiple Airlines Logo
4:05 pm - 5:55 pmSTL  Lambert-St Louis-CIA Rome Ciampino
18h 50m2 stops Toronto Pearson Intl Manchester
Multiple Airlines Logo
8:40 pm - 12:12 amCIA  Rome Ciampino-STL Lambert-St Louis
34h 32m3 stops Manchester Dublin Orlando
$1,661Multiple Airlines
Mon, Nov 30 - Mon, Dec 7
Multiple Airlines Logo
4:40 pm - 9:55 pmSTL  Lambert-St Louis-CIA Rome Ciampino
23h 15m3 stops Frankfurt am Main Athens Eleftherios V. Tirana Rinas
Multiple Airlines Logo
7:10 pm - 3:26 pmCIA  Rome Ciampino-STL Lambert-St Louis
27h 16m3 stops Budapest Ferenc Liszt Intl Frankfurt am Main Toronto Pearson Intl
$1,804Multiple Airlines
Wed, Mar 24 - Fri, Apr 2
Multiple Airlines Logo
4:05 pm - 5:55 pmSTL  Lambert-St Louis-CIA Rome Ciampino
18h 50m2 stops Toronto Pearson Intl Manchester
Multiple Airlines Logo
6:20 am - 11:24 pmCIA  Rome Ciampino-STL Lambert-St Louis
24h 04m3 stops Václav Havel Prague Frankfurt am Main Chicago O'Hare Intl
$1,967Multiple Airlines
Mon, Nov 23 - Wed, Nov 25
Multiple Airlines Logo
3:40 pm - 5:15 pmSTL  Lambert-St Louis-CIA Rome Ciampino
18h 35m2 stops Frankfurt am Main Václav Havel Prague
Multiple Airlines Logo
2:15 pm - 12:41 amCIA  Rome Ciampino-STL Lambert-St Louis
41h 26m3 stops Edinburgh Turnhouse Dublin Orlando
$2,132Multiple Airlines
Sun, Dec 27 - Sun, Jan 3
Multiple Airlines Logo
4:05 pm - 5:55 pmSTL  Lambert-St Louis-CIA Rome Ciampino
18h 50m2 stops Toronto Pearson Intl Manchester
Multiple Airlines Logo
6:05 pm - 5:40 pmCIA  Rome Ciampino-STL Lambert-St Louis
30h 35m3 stops Budapest Ferenc Liszt Intl Frankfurt am Main Atlanta Hartsfield-Jackson
$2,195Multiple Airlines
Mon, Nov 23 - Thu, Nov 26
Multiple Airlines Logo
4:05 pm - 8:15 pmSTL  Lambert-St Louis-CIA Rome Ciampino
21h 10m2 stops Toronto Pearson Intl Manchester
Multiple Airlines Logo
10:40 am - 1:45 pmCIA  Rome Ciampino-STL Lambert-St Louis
34h 05m3 stops Marrakech Menara Hannover Frankfurt am Main
$2,466Multiple Airlines
Sun, Jan 10 - Sat, Jan 16
Multiple Airlines Logo
4:10 pm - 9:15 pmSTL  Lambert-St Louis-CIA Rome Ciampino
22h 05m3 stops Toronto Pearson Intl Zurich Bucharest Otopeni Intl
Multiple Airlines Logo
7:20 am - 1:25 pmCIA  Rome Ciampino-STL Lambert-St Louis
37h 05m3 stops Manchester Munich Franz Josef Strauss Frankfurt am Main
$2,474Multiple Airlines
Wed, Apr 7 - Wed, Apr 21
Multiple Airlines Logo
3:30 pm - 5:00 pmSTL  Lambert-St Louis-CIA Rome Ciampino
18h 30m2 stops Frankfurt am Main Poznan Lawica
Multiple Airlines Logo
8:05 am - 1:25 pmCIA  Rome Ciampino-STL Lambert-St Louis
36h 20m3 stops Budapest Ferenc Liszt Intl Duesseldorf Intl Frankfurt am Main
$2,724Multiple Airlines
Thu, Apr 1 - Wed, Apr 14

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.
Search flight deals

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Rome Ciampino Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Mon 5/3

1:25 pm-8:05 pm

3 stops23h 40m

Rome Ciampino

Mon 5/31

6:00 am-7:30 pm

3 stops20h 30m

$1,242

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Mon 11/30

4:05 pm-5:55 pm

2 stops18h 50m

Rome Ciampino

Mon 12/7

8:40 pm-12:12 am

3 stops34h 32m

$1,655

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Mon 11/30

4:05 pm-5:55 pm

2 stops18h 50m

Rome Ciampino

Mon 12/7

8:40 pm-12:12 am

3 stops34h 32m

$1,661

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Wed 3/24

4:40 pm-9:55 pm

3 stops23h 15m

Rome Ciampino

Fri 4/2

7:10 pm-3:26 pm

3 stops27h 16m

$1,804
Quickest round-trip

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Mon 11/23

4:05 pm-5:55 pm

2 stops18h 50m

Rome Ciampino

Wed 11/25

6:20 am-11:24 pm

3 stops24h 04m

$1,967

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Sun 12/27

3:40 pm-5:15 pm

2 stops18h 35m

Rome Ciampino

Sun 1/3

2:15 pm-12:41 am

3 stops41h 26m

$2,132

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Mon 11/23

4:05 pm-5:55 pm

2 stops18h 50m

Rome Ciampino

Thu 11/26

6:05 pm-5:40 pm

3 stops30h 35m

$2,195

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Sun 1/10

4:05 pm-8:15 pm

2 stops21h 10m

Rome Ciampino

Sat 1/16

10:40 am-1:45 pm

3 stops34h 05m

$2,466

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Wed 4/7

4:10 pm-9:15 pm

3 stops22h 05m

Rome Ciampino

Wed 4/21

7:20 am-1:25 pm

3 stops37h 05m

$2,474

St. LouisRome

STL Lambert-St Louis - CIA Rome Ciampino

STLCIA

Lambert-St Louis

Thu 4/1

3:30 pm-5:00 pm

2 stops18h 30m

Rome Ciampino

Wed 4/14

8:05 am-1:25 pm

3 stops36h 20m

$2,724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Rome Ciampino 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 Ciampino Airport (STL to CIA) flight deals and tips

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

Best Price Found

$399

Fastest flight time

18h 35m

Direct flights

None
The best one-way flight to Rome Ciampino Airport from St. Louis in the past 72 hours is $399. The best round-trip flight deal from St. Louis to Rome Ciampino Airport found on momondo in the last 72 hours is $1,242.
The fastest flight from St. Louis to Rome Ciampino Airport takes 18h 35m
There are no direct flights from St. Louis to Rome Ciampino Airport. There are no popular flight routes from St. Louis to Rome Ciampino Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Rome Ciampino Airport

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

    Rome Ciampino is 5062.0 mi away from Lambert-St Louis. By plane, this route typically takes 18h 35m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Rome Ciampino Airport.

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

    The travel and health documents required for your trip to Rome Ciampino 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 Rome Ciampino Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from St. Louis to Rome Ciampino Airport

  • How do I get Price Alerts for flights from St. Louis to Rome Ciampino Airport?

    Confirm your travel details to search for the latest offers for flights from St. Louis to Rome Ciampino Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from St. Louis to Rome Ciampino Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Rome?

Book flights to Rome if you plan to visit one of these locations
Fiumicino
Civitavecchia
Gaeta
Orvieto
Porto Ercole
Ciampino
Ladispoli
Sperlonga
Pienza
Tivoli
Cassino
Orbetello
Ponza
Anzio
Chianciano Terme
Montepulciano
Saturnia
Santa Marinella
Foligno
Cortona

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rome from St. Louis.

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

momondo does allow users to show only those flights to Rome from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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?

Of course. momondo tracks the price of St. Louis to Rome flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Rome Ciampino 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 12/10
Thu 12/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Rome

Popular cities in Italy

Flights to Milan Malpensa Airportfrom $408
Flights to Rome Fiumicino Airportfrom $315
Flights to Milan Linate Airportfrom $537
Flights to Venice Marco Polo Airportfrom $555
Flights to Venice Treviso A. Canova Airportfrom $604