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$268+ Cheap flights from Missouri to Rome (ROM)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ROM
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
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Cheap flight deals from Missouri to Rome

Keep the following information in mind while searching for Missouri to Rome flight deals. Data was last updated August 19, 2025.

Round-trip from

$582
(United Airlines)

One-way from

$268
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$1,107
From Missouri to Rome (ROM)
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One-way flight from Missouri to Rome (ROM)
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Highest demand for flights based on searches. 19% potential increase in price ($271 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Missouri to Rome

Cheapest flights from Missouri to Rome
Explore the most affordable flight options available from Missouri to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 12/26:30 amSTL - FCO
1 stop18h 15mUnited Airlines
Wed 12/1012:50 pmFCO - STL
2 stops32h 33mUnited Airlines
Deal found 8/18$582
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 12/26:00 amMCI - FCO
1 stop18h 45mUnited Airlines
Fri 12/1212:50 pmFCO - MCI
2 stops35h 39mUnited Airlines
Deal found 8/19$582
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 11/295:24 pmSTL - FCO
1 stop31h 21mUnited Airlines
Wed 12/1012:50 pmFCO - STL
2 stops32h 33mUnited Airlines
Deal found 8/18$587
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 12/28:00 amSTL - FCO
1 stop16h 45mUnited Airlines
Tue 12/912:45 pmFCO - STL
2 stops33h 55mUnited Airlines
Deal found 8/18$589
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Tue 12/26:00 amMCI - FCO
2 stops22h 05mAir Canada
Fri 12/1212:50 pmFCO - MCI
2 stops32h 31mAir Canada
Deal found 8/19$589
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/294:05 pmSTL - FCO
2 stops33h 50mAir Canada
Tue 12/912:45 pmFCO - STL
2 stops33h 55mAir Canada
Deal found 8/18$591
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:00 amMCI - FCO
3 stops20h 05mMultiple Airlines
Fri 12/1212:50 pmFCO - MCI
2 stops32h 31mMultiple Airlines
Deal found 8/18$593
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 11/295:24 pmSTL - FCO
1 stop31h 21mUnited Airlines
Tue 12/912:45 pmFCO - STL
2 stops33h 55mUnited Airlines
Deal found 8/18$594
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:00 amSTL - FCO
1 stop14h 45mMultiple Airlines
Fri 12/127:05 amFCO - STL
1 stop13h 50mMultiple Airlines
Deal found 8/18$598
This Ovago deal was found by Cheapflights users on 8/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:45 amSTL - FCO
1 stop15h 15mBritish Airways
Fri 11/211:10 pmFCO - STL
1 stop14h 45mBritish Airways
Deal found 8/17$600
This Ovago deal was found by Cheapflights users on 8/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:01 amMCI - FCO
1 stop19h 59mBritish Airways
Fri 12/121:00 pmFCO - MCI
1 stop16h 25mBritish Airways
Deal found 8/18$600
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 12/310:00 amSTL - FCO
2 stops15h 30mUnited Airlines
Wed 12/107:05 amFCO - STL
1 stop13h 50mUnited Airlines
Deal found 8/18$603

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Rome 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 August 19, 2025.
Use the filters below to find and compare flights from Missouri to Rome that are best for you.

Fly from

Missouri

Fly to

Rome

Route

Depart

Return

Price

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 11/9

6:30 am-8:55 am

2 stops19h 25m

Rome Fiumicino

Fri 11/21

1:15 pm-7:39 pm

2 stops37h 24m

$582

Kansas CityRome

MCI - FCO

MCIFCO

Kansas City

Tue 12/2

11:36 am-7:45 am

1 stop13h 09m

Rome Fiumicino

Fri 12/12

12:50 pm-5:29 pm

2 stops35h 39m

$582

Kansas CityRome

MCI - FCO

MCIFCO

Kansas City

Tue 12/2

6:00 am-11:05 am

2 stops22h 05m

Rome Fiumicino

Fri 12/12

12:50 pm-2:21 pm

2 stops32h 31m

$589

Kansas CityRome

MCI - FCO

MCIFCO

Kansas City

Tue 12/2

8:00 am-11:05 am

3 stops20h 05m

Rome Fiumicino

Fri 12/12

12:50 pm-2:21 pm

2 stops32h 31m

$593

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 11/9

10:45 am-9:00 am

1 stop15h 15m

Rome Fiumicino

Fri 11/21

1:10 pm-8:55 pm

1 stop14h 45m

$600

Kansas CityRome

MCI - FCO

MCIFCO

Kansas City

Tue 12/2

6:01 am-9:00 am

1 stop19h 59m

Rome Fiumicino

Fri 12/12

1:00 pm-10:25 pm

1 stop16h 25m

$600

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 11/9

10:45 am-9:00 am

1 stop15h 15m

Rome Fiumicino

Fri 11/21

1:10 pm-8:55 pm

1 stop14h 45m

$604

Kansas CityRome

MCI - FCO

MCIFCO

Kansas City

Tue 10/21

6:00 am-9:15 am

2 stops20h 15m

Rome Fiumicino

Wed 11/5

9:45 am-9:50 pm

1 stop19h 05m

$605

Kansas CityRome

MCI - FCO

MCIFCO

Kansas City

Tue 10/21

6:32 pm-9:15 am

2 stops31h 43m

Rome Fiumicino

Wed 11/5

7:05 am-10:28 pm

2 stops22h 23m

$609

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 11/9

6:00 am-9:00 am

1 stop20h 00m

Rome Fiumicino

Fri 11/21

1:10 pm-12:05 am

2 stops17h 55m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 54 results
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Best time to book a flight from Missouri to Rome

Have a flexible travel schedule? Discover the best time to fly to Rome 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

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

Currently, January is the cheapest month in which you can book a flight from Missouri to Rome (average of $644). Flying from Missouri to Rome in June is currently the most expensive (average of $1,136). 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 ROM?

Find hourly flight availability from Missouri to Rome. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 19, 2025.

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

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

Related info for your journey

Find useful and relevant information for your journey from Missouri to Rome. 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?

    A quick flight from Missouri to Rome can take about 15h 15m. United Airlines provides one of the quickest options available for as low as $600. There are 5050 mi between Missouri and Rome. 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 one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $466. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Missouri to Rome for a low price.

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

    While some choose either Kansas City - Rome Fiumicino or Springfield-Branson - Rome Fiumicino, Lambert-St Louis - Rome Fiumicino is the most popular route from Missouri to Rome.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Rome 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?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Rome (average of $644). Flying from Missouri to Rome in June is currently the most expensive (average of $1,136). 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?

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

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Alternative routes for Missouri to Rome

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Missouri to Rome

Discover the top 9 airlines that operate flights from Missouri to Rome. 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 August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$536Average$1,215FlexibilityNo cancel feeOn-time77%
DeltaCheapest$554Average$915FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$559Average$1,081FlexibilityNo cancel feeOn-time69%
KLMCheapest$603Average$1,130FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$665Average$1,177FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$675Average$1,074FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$705Average$1,156FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$708Average$1,140FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$744Average$1,108FlexibilityNo cancel feeOn-time77%

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