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Ciampino

$402+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CIA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from St. Louis to Ciampino

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 diciembre 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/184:50 pmSTL - CIA
3 stops22h 30mMultiple Airlines
lun. 3/2310:10 amCIA - STL
2 stops35h 19mMultiple Airlines
Deal found 12/10$1,172

Find flight deals from St. Louis to Ciampino

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Ciampino (CIA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 12, 2025.

Most accurate provider

Ovago
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,172
(Mytrip)

One-way from

$402
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$820
Provider with most accurate pricing for Lambert-St Louis-Rome Ciampino flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Rome Ciampino flights.
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From Lambert-St Louis to Rome Ciampino
Search Deals
One-way flight from Lambert-St Louis to Rome Ciampino
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Highest demand for flights based on searches. 25% potential increase in price ($346 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Ciampino that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from St. Louis to Rome Ciampino Airport that are best for you.

Fly from

St. Louis

Fly to

Ciampino

Route

Depart

Return

Price

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

mié. 3/18

4:50 pm-9:20 pm

3 stops22h 30m

Rome Ciampino

lun. 3/23

10:10 am-3:29 pm

2 stops35h 19m

$1,172

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

dom. 4/12

3:30 pm-3:35 pm

3 stops41h 05m

$402

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

sáb. 1/17

8:32 pm-8:00 pm

3 stops40h 28m

$504

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

dom. 2/15

3:19 pm-7:55 pm

3 stops45h 36m

$521

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

dom. 5/10

3:30 pm-8:30 pm

2 stops46h 00m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 December.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 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 AranGrant the most. AranGrant 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

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?

    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

Traveling to a place near Rome Ciampino Airport?

Book flights to Rome Ciampino Airport if you plan to visit one of these locations
Fiumicino
Montepulciano
Santa Marinella

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