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$499+ Cheap flights from Missouri 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CIA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Missouri to Ciampino

Keep the following information in mind while searching for Missouri to Ciampino flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,664
(Mytrip)

One-way from

$499
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$906
Provider with most accurate pricing for Lambert-St Louis-Rome (ROM) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Rome (ROM) flights.
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From Missouri to Rome Ciampino
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One-way flight from Missouri to Rome Ciampino
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Highest demand for flights based on searches. 25% potential increase in price ($364 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Missouri to Ciampino

Cheapest flights from Missouri to Ciampino
Explore the most affordable flight options available from Missouri to Ciampino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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.
Sun 11/23:50 pmSTL - CIA
2 stops16h 55mMultiple Airlines
Tue 11/411:30 amCIA - STL
3 stops33h 25mMultiple Airlines
Deal found 10/29$1,571
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Wed 11/123:50 pmSTL - CIA
2 stops17h 40mMultiple Airlines
Thu 11/2010:45 amCIA - STL
2 stops34h 10mMultiple Airlines
Deal found 10/30$1,664

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 October 30, 2025.
Use the filters below to find and compare flights from Missouri to Rome Ciampino Airport that are best for you.

Fly from

Missouri

Fly to

Ciampino

Route

Depart

Return

Price

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Wed 11/12

3:50 pm-4:30 pm

2 stops17h 40m

Rome Ciampino

Thu 11/20

10:45 am-1:55 pm

2 stops34h 10m

$1,664

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Tue 11/11

7:45 pm-8:35 pm

3 stops41h 50m

$499

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Sun 3/15

4:50 pm-6:10 pm

3 stops43h 20m

$529

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Sat 3/7

7:43 pm-8:30 pm

3 stops41h 47m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Best time to book a flight from Missouri to Ciampino

Have a flexible travel schedule? Discover the best time to fly to Ciampino from Missouri 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.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Rome Ciampino Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • Can I find deals for flights from Missouri to Ciampino that include hotel bookings?

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

  • How can I find direct flights from Missouri to Ciampino?

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

  • Can I find deals for business class flights from Missouri to Ciampino?

    Yes. Cheapflights offers flight deals from Missouri 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.

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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