Rome

$238+ Cheap flights from St. Louis (STL) 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ROM
Aug 6 — Aug 131
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Cheap flight deals from St. Louis to Rome

Cheapest flights from St. Louis to Rome
Explore the most affordable flight options available from St. Louis to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.

This lol.travel deal was found by Cheapflights users on 7/4. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:45 pm
STL
-
FCO
1 stop16h 20m
Finnair
Tue 8/2510:00 am
FCO
-
STL
1 stop21h 14m
Finnair
Deal found 7/4$757
This Gotogate deal was found by Cheapflights users on 7/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:40 pm
STL
-
FCO
1 stop12h 40m
Multiple Airlines
Thu 10/229:35 am
FCO
-
STL
2 stops16h 06m
Multiple Airlines
Deal found 7/6$764
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Sun 11/88:40 am
STL
-
FCO
1 stop16h 50m
United Airlines
Wed 11/181:15 pm
FCO
-
STL
2 stops30h 25m
United Airlines
Deal found 7/3$769
This FlightHub deal was found by Cheapflights users on 7/7. 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 11/86:00 am
STL
-
FCO
2 stops19h 55m
Air Canada
Wed 11/181:15 pm
FCO
-
STL
2 stops33h 26m
Air Canada
Deal found 7/7$773
This United Airlines deal was found by Cheapflights users on 7/3. 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 11/91:08 pm
STL
-
FCO
2 stops14h 47m
United Airlines
Wed 11/181:15 pm
FCO
-
STL
2 stops30h 25m
United Airlines
Deal found 7/3$774
This United Airlines deal was found by Cheapflights users on 7/3. 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 11/104:40 pm
STL
-
FCO
1 stop36h 15m
United Airlines
Tue 1/1211:15 am
FCO
-
STL
1 stop35h 11m
United Airlines
Deal found 7/3$775
This FlightHub deal was found by Cheapflights users on 7/4. 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 11/183:40 pm
STL
-
FCO
1 stop19h 05m
Multiple Airlines
Thu 11/2611:15 am
FCO
-
STL
1 stop35h 11m
Multiple Airlines
Deal found 7/4$776
This FlightHub deal was found by Cheapflights users on 7/6. 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.
Mon 10/122:40 pm
STL
-
FCO
2 stops35h 35m
Air Canada
Fri 10/2311:30 am
FCO
-
STL
2 stops35h 13m
Air Canada
Deal found 7/6$778
This United deal was found by Cheapflights users on 7/6. 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.
Mon 10/124:50 pm
STL
-
FCO
1 stop35h 05m
Multiple Airlines
Fri 10/2311:30 am
FCO
-
STL
2 stops33h 30m
Multiple Airlines
Deal found 7/6$780
This Mytrip deal was found by Cheapflights users on 7/5. 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.
Tue 8/48:55 am
STL
-
CIA
2 stops24h 45m
Multiple Airlines
Tue 8/116:05 am
CIA
-
STL
3 stops21h 19m
Multiple Airlines
Deal found 7/5$1,001
This Mytrip deal was found by Cheapflights users on 7/6. 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.
Sat 9/192:40 pm
STL
-
CIA
2 stops14h 30m
Multiple Airlines
Sat 10/39:05 pm
CIA
-
STL
2 stops23h 55m
Multiple Airlines
Deal found 7/6$1,526
This Mytrip deal was found by Cheapflights users on 7/6. 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 8/22:40 pm
STL
-
CIA
2 stops15h 40m
Multiple Airlines
Wed 8/55:55 pm
CIA
-
STL
3 stops33h 29m
Multiple Airlines
Deal found 7/6$1,586

Find flight deals from St. Louis to Rome

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Rome (ROM). 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 July 7, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$757
(lol.travel)

One-way from

$238
(Ovago)

Popular in

June

Cheapest in

February

Average price

$1,281
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 Lambert-St Louis to Rome (ROM)
One-way flight from Lambert-St Louis to Rome (ROM)
Highest demand for flights based on searches. 30% potential increase in price ($421 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($64 potential savings vs. average RT price).
Average for round-trip flights in July 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 July 7, 2026.
Use the filters below to find and compare flights from St. Louis to Rome that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 8/5

12:10 pm-9:15 am

1 stop14h 05m

Rome Fiumicino

Wed 8/19

12:25 pm-2:57 pm

2 stops33h 32m

$807

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 12/29

8:25 am-8:30 am

1 stop17h 05m

Rome Fiumicino

Tue 1/5

9:55 am-1:45 pm

1 stop34h 50m

$867

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 12/13

5:00 am-8:55 am

2 stops20h 55m

Rome Fiumicino

Sun 12/27

7:05 am-7:40 pm

2 stops19h 35m

$919

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 8/4

12:10 pm-9:15 am

1 stop14h 05m

Rome Fiumicino

Mon 8/10

1:20 pm-3:38 pm

2 stops33h 18m

$929

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sat 11/21

5:34 pm-7:45 am

1 stop31h 11m

Rome Fiumicino

Sat 11/28

11:15 am-3:26 pm

1 stop35h 11m

$969

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sat 9/12

6:53 pm-7:55 am

1 stop30h 02m

Rome Fiumicino

Thu 9/24

12:25 pm-3:43 pm

2 stops34h 18m

$970

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 9/16

7:00 am-7:35 am

1 stop17h 35m

Rome Fiumicino

Mon 9/28

1:20 pm-1:25 pm

1 stop31h 05m

$988

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Thu 8/27

7:00 am-7:35 am

1 stop17h 35m

Rome Fiumicino

Sat 9/5

2:20 pm-2:57 pm

2 stops31h 37m

$991

St. LouisRome

STL - CIA

STLCIA

Lambert-St Louis

Tue 8/4

8:55 am-4:40 pm

2 stops24h 45m

Rome Ciampino

Tue 8/11

6:05 am-8:24 pm

3 stops21h 19m

$1,001

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 12/29

7:04 pm-7:45 am

1 stop29h 41m

Rome Fiumicino

Mon 1/4

11:15 am-3:26 pm

1 stop35h 11m

$1,041

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 26 resultsSorted by cheapest first
1
2
3

Compare providers for flights from St. Louis to Rome

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 Rome in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
BusinessClassPrice Accuracy3 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 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 flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from St. Louis-Rome flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Rome 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 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 Rome

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

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Rome

What is the cheapest month to book a flight from St. Louis to Rome?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Rome (average of $442). Flying from St. Louis to Rome in June is currently the most expensive (average of $921). 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.

How much does it cost to fly round-trip from St. Louis to Rome?

How far ahead should I book a flight from St. Louis to Rome?

The best time to book flights from St. Louis to Rome is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Rome

Get insights into the airlines that provide service to Rome. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rome. Reviews last updated July 7, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAir Canada from St. Louis to Rome. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

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

    If you book a flight to Rome 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 per day from 7 different airlines.

  • How long is the flight from St. Louis to Rome?

    United Airlines can get you from St. Louis to Rome in just under 14h 05m. Your travel time can differ by up to . The distance from St. Louis to Rome is about 5050 mi.

  • What are the cheapest airlines flying from St. Louis to Rome round-trip?

    According to our current data, British Airways ($472), Lufthansa ($500), and KLM ($506) offers the cheapest pricing from St. Louis to Rome. You may be able to fly from St. Louis to Rome for 51% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from St. Louis to Rome one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $362. However, be on the lookout for offers from Lufthansa and Delta, as they are both options that can get you from St. Louis to Rome for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Rome?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Rome (average of $442). Flying from St. Louis to Rome in June is currently the most expensive (average of $921). 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
Civitavecchia
Montepulciano
Santa Marinella

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Alternative routes for St. Louis to Rome

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

Top 7 airlines flying from St. Louis to Rome

Discover the top 7 airlines that operate flights from St. Louis 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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$472Average$1,200FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$500Average$913FlexibilityNo cancel feeOn-time76%
KLMCheapest$506Average$884FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$549Average$1,035FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$564Average$1,245FlexibilityNo cancel feeOn-time67%
DeltaCheapest$566Average$1,122FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$665Average$1,085FlexibilityNo cancel feeOn-time71%

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