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$412+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ROM
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Lambert-St Louis to Rome are usually found in February or November, booked 13 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap 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 November 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$677
(United)

One-way from

$475
(Kiwi.com)
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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High demand for flights, 31% potential price rise
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Best time to find cheap flights, 34% potential price drop
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From Lambert-St Louis to Rome (ROM)
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One-way flight from Lambert-St Louis to Rome (ROM)
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Find 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 November 20, 2024.

This United deal was found by Cheapflights users on 11/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/48:25 amSTL - FCO
1 stop17h 05mUnited Airlines
Wed 12/1112:15 pmFCO - STL
2 stops38h 36mUnited Airlines
Deal found 11/19$677
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/33:50 pmSTL - FCO
2 stops35h 10mAir Canada
Wed 12/1112:15 pmFCO - STL
2 stops33h 51mAir Canada
Deal found 11/19$696
This KLM deal was found by Cheapflights users on 11/20. 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.
Wed 12/41:09 pmSTL - FCO
1 stop14h 21mKLM
Wed 12/1112:45 pmFCO - STL
1 stop17h 58mKLM
Deal found 11/20$699
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Mon 12/21:00 pmSTL - FCO
3 stops18h 00mMultiple Airlines
Sat 12/76:45 amFCO - STL
3 stops39h 36mMultiple Airlines
Deal found 11/20$1,043
This KAYAK deal was found by Cheapflights users on 11/20. 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 12/35:45 amSTL - FCO
2 stops22h 10mAer Lingus
Tue 12/1011:35 amFCO - STL
2 stops17h 30mAer Lingus
Deal found 11/20$1,068
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/293:45 pmSTL - FCO
1 stop14h 00mLufthansa
Sun 12/87:05 amFCO - STL
1 stop13h 50mLufthansa
Deal found 11/19$1,341
This Air France deal was found by Cheapflights users on 11/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/193:58 pmSTL - FCO
1 stop11h 32mAir France
Thu 12/2610:15 amFCO - STL
1 stop15h 07mAir France
Deal found 11/19$1,471
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2410:14 amSTL - FCO
2 stops20h 31mScandinavian Airlines
Fri 11/292:35 pmFCO - STL
2 stops37h 28mScandinavian Airlines
Deal found 11/19$1,472
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:15 amSTL - FCO
1 stop20h 15mDelta
Mon 1/612:45 pmFCO - STL
1 stop30h 02mDelta
Deal found 11/19$2,201
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2211:35 amSTL - FCO
2 stops19h 20mIberia
Sat 11/307:30 amFCO - STL
2 stops20h 02mIberia
Deal found 11/19$2,462
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/261:05 pmSTL - FCO
1 stop12h 25mBrussels Airlines
Fri 1/39:55 amFCO - STL
1 stop17h 28mBrussels Airlines
Deal found 11/19$3,161
This oojo deal was found by Cheapflights users on 11/20. 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.
Tue 12/35:40 pmSTL - FCO
2 stops17h 45mTurkish Airlines
Tue 12/102:50 pmFCO - STL
2 stops31h 44mTurkish Airlines
Deal found 11/20$4,102

Find flights from St. Louis to Rome within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 4/2

3:50 pm-6:45 pm

2 stops19h 55m

Rome Fiumicino

Tue 4/15

7:35 pm-8:42 pm

2 stops32h 07m

$634

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 12/4

8:25 am-8:30 am

1 stop17h 05m

Rome Fiumicino

Wed 12/11

12:15 pm-7:51 pm

2 stops38h 36m

$677

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sat 2/15

3:50 pm-11:30 am

2 stops36h 40m

Rome Fiumicino

Fri 2/28

12:15 pm-3:40 pm

2 stops34h 25m

$686

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 3/4

7:05 am-7:55 am

1 stop17h 50m

Rome Fiumicino

Tue 3/11

11:15 am-12:12 pm

2 stops30h 57m

$691

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 12/4

1:09 pm-10:30 am

1 stop14h 21m

Rome Fiumicino

Wed 12/11

12:45 pm-11:43 pm

1 stop17h 58m

$699

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 1/6

10:00 am-9:55 pm

2 stops28h 55m

Rome Fiumicino

Mon 1/13

8:45 pm-4:23 pm

2 stops26h 38m

$769

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Fri 3/7

5:33 pm-10:30 pm

2 stops21h 57m

Rome Fiumicino

Thu 3/13

6:35 pm-2:55 pm

1 stop26h 20m

$797

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 3/24

6:46 am-7:35 pm

2 stops30h 49m

Rome Fiumicino

Mon 3/31

3:10 pm-9:40 pm

2 stops37h 30m

$857

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 1/6

5:00 pm-7:45 pm

2 stops43h 45m

Rome Fiumicino

Mon 1/13

12:45 pm-3:44 pm

1 stop33h 59m

$897

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Thu 1/2

7:15 am-7:55 am

1 stop17h 40m

Rome Fiumicino

Fri 1/17

12:45 pm-11:47 am

1 stop30h 02m

$976

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 20 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Rome flight deals on Cheapflights vs. AranGrant >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 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 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.

Travel insights for flights from St. Louis to Rome

Get recent, data-driven insights about flights from St. Louis to Rome including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Rome. Price data was last updated on November 15, 2024.

The best time to book flights from St. Louis to Rome is 13 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.

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

Currently, December is the cheapest month in which you can book a flight from St. Louis to Rome (average of $613). Flying from St. Louis to Rome in June is currently the most expensive (average of $1,267). 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 STL to ROM?

Find hourly flight availability from St. Louis 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 November 20, 2024.

When flying from St. Louis to Rome, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 12% versus a flight in the evening.

Rainfall in Rome by month

Plan your trip to Rome by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rome ranges from 0.6 - 4.4 inches per month. November is typically the wettest month, when rainfall can reach 4.4 in. June is typically the driest time to visit Rome when rainfall is around 0.6 in.

Temperature in Rome by month

Plan your trip to Rome by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rome, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 November 20, 2024.
Read through reviews of airlines operating flights from St. Louis to Rome, such as United Airlines, Air Canada and KLM. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,523 reviews
Delta
8.0
Very good
8,756 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines
7.4
Good
3,915 reviews
Delta
8.0
Very good
8,756 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Brussels Airlines
7.4
Good
367 reviews
Delta
8.0
Very good
8,756 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 8 different airlines.

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

    According to our current data, United Airlines ($677), Air Canada ($686), and KLM ($699) offers the cheapest pricing from St. Louis to Rome. You may be able to fly from St. Louis to Rome for 40% 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 Air Canada, with whom users have recently found tickets for as low as $485. However, be on the lookout for offers from KLM and Air France, 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, December is the cheapest month in which you can book a flight from St. Louis to Rome (average of $613). Flying from St. Louis to Rome in June is currently the most expensive (average of $1,267). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from St. Louis to Rome

Discover the top 8 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$547Average$857FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$668Average$974FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$687Average$1,066FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$721Average$1,155FlexibilityNo cancel feeOn-time71%
DeltaCheapest$726Average$1,072FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$738Average$1,317FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$753Average$1,128FlexibilityNo cancel feeOn-time70%
KLMCheapest$805Average$1,179FlexibilityNo cancel feeOn-time75%
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