Leonardo da Vinci/Fiumicino

$271+ Cheap flights from Missouri to Fiumicino (FCO)

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FCO
Jan 11 — Jan 181
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Cheap flight deals from Missouri to Leonardo da Vinci/Fiumicino

Cheapest flights from Missouri to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from Missouri to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:35 pmSTL - FCO
2 stops16h 40mLufthansa
Wed 1/149:45 amFCO - STL
2 stops21h 14mLufthansa
Deal found 12/11$666
This KLM deal was found by Cheapflights users on 12/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:04 amSTL - FCO
1 stop14h 51mKLM
Wed 1/1412:40 pmFCO - STL
1 stop17h 59mKLM
Deal found 12/11$762
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:31 amSGF - FCO
1 stop13h 14mLufthansa
Fri 12/269:45 amFCO - SGF
2 stops38h 53mLufthansa
Deal found 12/11$796
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:00 amMCI - FCO
1 stop16h 45mUnited Airlines
Mon 12/2211:00 amFCO - MCI
1 stop16h 31mUnited Airlines
Deal found 12/10$943
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:15 amSGF - FCO
2 stops18h 40mUnited Airlines
Fri 12/269:45 amFCO - SGF
2 stops19h 14mUnited Airlines
Deal found 12/11$1,060
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:47 pmMCI - FCO
1 stop12h 43mBrussels Airlines
Wed 1/78:25 amFCO - MCI
2 stops18h 31mBrussels Airlines
Deal found 12/11$1,137
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:47 pmMCI - FCO
2 stops16h 38mMultiple Airlines
Wed 1/78:25 amFCO - MCI
2 stops18h 31mMultiple Airlines
Deal found 12/11$1,145
This Iberia deal was found by Cheapflights users on 12/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:06 pmSGF - FCO
1 stop15h 39mIberia
Fri 12/261:10 pmFCO - SGF
1 stop16h 15mIberia
Deal found 12/11$1,291
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amMCI - FCO
1 stop20h 00mMultiple Airlines
Wed 12/311:10 pmFCO - MCI
1 stop28h 14mMultiple Airlines
Deal found 12/10$1,411
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:35 pmMCI - FCO
2 stops55h 20mLufthansa
Mon 1/53:05 pmFCO - MCI
2 stops37h 54mLufthansa
Deal found 12/11$1,505
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:00 amSTL - FCO
2 stops21h 40mAer Lingus
Tue 12/1611:20 amFCO - STL
2 stops36h 30mAer Lingus
Deal found 12/10$1,581
This SmartFares deal was found by Cheapflights users on 12/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:00 pmSTL - FCO
1 stop11h 45mLufthansa
Wed 12/3110:30 amFCO - STL
1 stop20h 27mLufthansa
Deal found 12/11$1,672

Find flight deals from Missouri to Leonardo da Vinci/Fiumicino

Keep the following information in mind while searching for Missouri to Leonardo da Vinci/Fiumicino flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$443
(Kiwi.com)

One-way from

$271
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Leonardo da Vinci/Fiumicino 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 December 12, 2025.
Use the filters below to find and compare flights from Missouri to Rome Fiumicino Airport that are best for you.

Fly from

Missouri

Fly to

Leonardo da Vinci/Fiumicino

Route

Depart

Return

Price

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 1/20

12:44 pm-8:30 am

1 stop12h 46m

Rome Fiumicino

Tue 1/27

7:05 am-10:58 pm

2 stops22h 53m

$483

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sat 1/17

11:22 am-7:55 am

1 stop13h 33m

Rome Fiumicino

Sat 1/24

11:15 am-2:30 pm

2 stops34h 15m

$487

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 1/21

4:05 pm-11:05 am

1 stop12h 00m

Rome Fiumicino

Mon 1/26

11:15 am-10:58 pm

2 stops42h 43m

$489

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 1/27

11:22 am-7:55 am

1 stop13h 33m

Rome Fiumicino

Tue 2/3

1:10 pm-2:30 pm

2 stops32h 20m

$490

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 2/2

11:22 am-12:25 pm

2 stops18h 03m

Rome Fiumicino

Fri 2/13

9:45 am-9:40 pm

2 stops18h 55m

$490

SpringfieldRome

SGF - FCO

SGFFCO

Springfield-Branson

Wed 2/11

3:14 pm-11:00 pm

2 stops24h 46m

Rome Fiumicino

Wed 2/18

9:45 am-9:59 pm

2 stops19h 14m

$490

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 2/3

6:40 pm-6:15 pm

2 stops16h 35m

Rome Fiumicino

Fri 2/13

10:30 am-12:05 am

1 stop20h 35m

$492

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Fri 1/23

11:22 am-7:55 am

1 stop13h 33m

Rome Fiumicino

Fri 1/30

7:05 am-1:55 pm

1 stop13h 50m

$494

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 1/21

4:05 pm-11:05 am

1 stop12h 00m

Rome Fiumicino

Wed 1/28

7:05 am-1:55 pm

1 stop13h 50m

$496

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 1/19

6:40 pm-9:25 am

2 stops31h 45m

Rome Fiumicino

Wed 1/28

7:05 am-1:55 pm

1 stop13h 50m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 50 results
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Best time to book a flight from Missouri to Leonardo da Vinci/Fiumicino

Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino 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 Fiumicino Airport

What is the cheapest month to book a flight from Missouri to Rome Fiumicino Airport?

Currently, January is the cheapest month in which you can book a flight from Missouri to Rome Fiumicino Airport (average of $468). Flying from Missouri to Rome Fiumicino Airport in July is currently the most expensive (average of $999). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to FCO?

Find hourly flight availability from Missouri to Leonardo da Vinci/Fiumicino. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from Missouri to Rome Fiumicino Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight in the afternoon.

How much does it cost to fly round-trip from Missouri to Rome Fiumicino Airport?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Leonardo da Vinci/Fiumicino. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Missouri to Rome Fiumicino Airport?

    A quick flight from Missouri to Rome Fiumicino Airport can take about 12h. Lufthansa provides one of the quickest options available for as low as $489. There are 5050 mi between Missouri and Rome Fiumicino Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Rome Fiumicino Airport one-way?

    One-way options have recently been found by users for as low as $428 on United Airlines. Other airlines that offer cheap prices include Iberia from $463 and Lufthansa from $532 one-way.

  • What are the most popular routes from Missouri to Rome Fiumicino Airport?

  • Can I find deals for flights from Missouri to Leonardo da Vinci/Fiumicino that include hotel bookings?

    Yes. In addition to deals on Missouri to Leonardo da Vinci/Fiumicino flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Leonardo da Vinci/Fiumicino?

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

  • Can I find deals for business class flights from Missouri to Leonardo da Vinci/Fiumicino?

    Yes. Cheapflights offers flight deals from Missouri to Leonardo da Vinci/Fiumicino by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Rome Fiumicino Airport?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Rome Fiumicino Airport (average of $468). Flying from Missouri to Rome Fiumicino Airport in July is currently the most expensive (average of $999). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Rome Fiumicino Airport?

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

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Alternative routes for Missouri to Leonardo da Vinci/Fiumicino

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

Top 9 airlines flying from Missouri to Leonardo da Vinci/Fiumicino

Discover the top 9 airlines that operate flights from Missouri to Leonardo da Vinci/Fiumicino. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$472Average$1,136FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$516Average$918FlexibilityNo cancel feeOn-time76%
IberiaCheapest$536Average$1,298FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$549Average$1,092FlexibilityNo cancel feeOn-time69%
KLMCheapest$555Average$956FlexibilityNo cancel feeOn-time75%
DeltaCheapest$587Average$907FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$655Average$1,282FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$665Average$1,151FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$705Average$1,157FlexibilityNo cancel feeOn-time67%

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