In terms of precipitation, rainfall in Rome Ciampino Airport ranges from 0.6 - 4.4 inches per month. November is typically the wettest month, when rainfall can reach 4.4 in. June is typically the driest time to visit Rome Ciampino Airport when rainfall is around 0.6 in.

If weather is an important factor for your trip to Rome Ciampino Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

What is the cheapest time of day to fly from STL to CIA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Rome Ciampino Airport as you normally would.

Most accurate provider : When it comes to deals on St. Louis-Rome Ciampino Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Rome Ciampino Airport flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from St. Louis-Rome Ciampino Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Rome Ciampino Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Rome Ciampino Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from St. Louis to Rome Ciampino?

If you book a flight to Rome Ciampino from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Rome Ciampino per day from 0 different airlines.

Can I find deals for flights from St. Louis to Ciampino that include hotel bookings?

Yes. In addition to deals on St. Louis to Ciampino flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Ciampino?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Ciampino.

Can I find deals for business class flights from St. Louis to Ciampino?

Yes. Cheapflights offers flight deals from St. Louis to Ciampino by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$303+ Flights from St. Louis to Rome Ciampino Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from St. Louis to Ciampino with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Ciampino

Cheapest flights from St. Louis to Ciampino
Explore the most affordable flight options available from St. Louis to Ciampino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Sun 5/177:30 am

STL

CIA

3 stops30h 40m

Multiple Airlines

Fri 5/298:25 pm

CIA

STL

3 stops30h 40m

Multiple Airlines

Deal found 1/27

$1,265

Best flights from St. Louis to Ciampino
Discover carefully curated flight deals from St. Louis to Ciampino that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 27, 2026.

Sun 5/177:30 am

STL

CIA

3 stops30h 40m

Multiple Airlines

Fri 5/298:25 pm

CIA

STL

3 stops30h 40m

Multiple Airlines

Deal found 1/27

$1,265

Tue 6/27:30 am

STL

CIA

2 stops29h 50m

Multiple Airlines

Sat 6/136:15 pm

CIA

STL

2 stops26h 10m

Multiple Airlines

Deal found 1/27

$1,445

One-way flights from St. Louis to Ciampino
Search for one-way flight options from St. Louis to Ciampino. Find affordable one-way fares based on user searches. Data last updated January 27, 2026.

Sat 2/218:17 pm

STL

CIA

3 stops42h 38m

Multiple Airlines

Deal found 1/27

$303

Fri 7/243:30 pm

STL

CIA

2 stops23h 10m

Multiple Airlines

Deal found 1/25

$429

Wed 6/173:30 pm

STL

CIA

2 stops21h 20m

Multiple Airlines

Deal found 1/26

$535

Wed 6/107:30 am

STL

CIA

3 stops30h 05m

Multiple Airlines

Deal found 1/27

$546

Sun 7/53:30 pm

STL

CIA

3 stops38h 10m

Multiple Airlines

Deal found 1/26

$565

Fri 6/123:30 pm

STL

CIA

2 stops22h 10m

Multiple Airlines

Deal found 1/26

$569

Fri 6/263:30 pm

STL

CIA

2 stops22h 10m

Multiple Airlines

Deal found 1/25

$596

Sat 7/182:58 pm

STL

CIA

3 stops44h 47m

Multiple Airlines

Deal found 1/27

$627

Find flight deals from St. Louis to Ciampino

Most accurate provider	Ovago 2 stars
Most trusted provider	Ovago 3 stars
Round-trip from	$1,265 (Mytrip)
One-way from	$303 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$693

Provider with most accurate pricing for Lambert-St Louis-Rome Ciampino flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Rome Ciampino flights.

Search Deals

From Lambert-St Louis to Rome Ciampino

Search Deals

One-way flight from Lambert-St Louis to Rome Ciampino

Search Deals

Highest demand for flights based on searches. 27% potential increase in price ($361 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Cheapflights 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

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Sun 5/17

7:30 am-9:10 pm

3 stops30h 40m

Rome Ciampino

Fri 5/29

8:25 pm-8:05 pm

3 stops30h 40m

$1,265

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Tue 6/2

7:30 am-8:20 pm

2 stops29h 50m

Rome Ciampino

Sat 6/13

6:15 pm-1:25 pm

2 stops26h 10m

$1,445

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Fri 7/24

3:30 pm-9:40 pm

2 stops23h 10m

$429

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Wed 6/17

3:30 pm-7:50 pm

2 stops21h 20m

$535

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Sun 7/5

3:30 pm-12:40 pm

3 stops38h 10m

$565

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Fri 6/12

3:30 pm-8:40 pm

2 stops22h 10m

$569

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Fri 6/26

3:30 pm-8:40 pm

2 stops22h 10m

$596

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Fri 3/13

12:16 pm-10:30 am

3 stops40h 14m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Compare providers for flights from St. Louis to Ciampino

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Ciampino in January.

Provider	Price Accuracy	Trust Score*
Ovago	Price Accuracy2 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Rome Ciampino Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Rome Ciampino Airport flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from St. Louis-Rome Ciampino Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Rome Ciampino Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Rome Ciampino Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Ciampino

Have a flexible travel schedule? Discover the best time to fly to Ciampino from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly from for flights from St. Louis to Rome Ciampino?
If you book a flight to Rome Ciampino from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Rome Ciampino per day from 0 different airlines.
Can I find deals for flights from St. Louis to Ciampino that include hotel bookings?
Yes. In addition to deals on St. Louis to Ciampino flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Ciampino?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Ciampino.
Can I find deals for business class flights from St. Louis to Ciampino?
Yes. Cheapflights offers flight deals from St. Louis to Ciampino by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Fiumicino

Montepulciano

Santa Marinella

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Ciampino

St. Louis to Leonardo da Vinci/Fiumicino flights

Kansas City to Leonardo da Vinci/Fiumicino flights

Springfield to Leonardo da Vinci/Fiumicino flights

Columbia to Leonardo da Vinci/Fiumicino flights

Cape Girardeau to Leonardo da Vinci/Fiumicino flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$303+ Cheap flights from St. Louis (STL) to Ciampino (CIA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Ciampino with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Ciampino

Cheapest flights from St. Louis to CiampinoExplore the most affordable flight options available from St. Louis to Ciampino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Explore the most affordable flight options available from St. Louis to Ciampino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Find flight deals from St. Louis to Ciampino

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from St. Louis to Ciampino

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Ciampino in January.

Best time to book a flight from St. Louis to Ciampino

Have a flexible travel schedule? Discover the best time to fly to Ciampino from St. Louis with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Ciampino. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Rome Ciampino?

Can I find deals for flights from St. Louis to Ciampino that include hotel bookings?

How can I find direct flights from St. Louis to Ciampino?

Can I find deals for business class flights from St. Louis to Ciampino?

Traveling to a place near Rome Ciampino Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Ciampino

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to Ciampino
Explore the most affordable flight options available from St. Louis to Ciampino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.