Title: £327 Cheap Flights from St. Louis to Rome (STL to FCO) - Expedia.co.uk ![Rome sunset city skyline at Rome Colosseum (Roma Coliseum), Rome, Italy](https://images.trvl-media.com/place/179899/eb7e249d-ccd0-4342-bf0d-7a6024d66dc9.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £327 Cheap Flights from St. Louis (STL) to Rome (FCO) [View £327 flight on Fri, 7 Nov 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:STL,to:FCO,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:327.00&airProductToken=AQqXAQoxCMGGARIENDkxMxjyXCCuHCjut_wCMMe4_AI4U0AAWAFqBUJBU0lDcghTTEQ4MExHVAowCMGGARIDNTIyGK4cIJhdKOq6_AIw6bv8AjhTQAFYAWoFQkFTSUNyCFNMRDgwTEdUCjAIwYYBEgM4OTIYmF0gxXAokb38AjD7wPwCOFNAAVgBagVCQVNJQ3IIU0xEODBMR1QSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Lambert-St. Louis International Airport (STL) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:fco,departure:25/10/2025TANYT&leg2=from:fco,to:stl,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:fco,departure:25/10/2025TANYT&leg2=from:fco,to:stl,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Iberia](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:fco,departure:25/10/2025TANYT&leg2=from:fco,to:stl,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:fco,departure:25/10/2025TANYT&leg2=from:fco,to:stl,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![Brussels Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SN.svg) Brussels Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:fco,departure:25/10/2025TANYT&leg2=from:fco,to:stl,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SN"}}]) - ![Aer Lingus](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg) Aer Lingus [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:fco,departure:25/10/2025TANYT&leg2=from:fco,to:stl,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:fco,departure:25/10/2025TANYT&leg2=from:fco,to:stl,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from St. Louis (STL) to Rome (FCO) Prices were available within the past 7 days and start at £327 for one-way flights and £445 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Thu, 6 Nov - Thu, 13 Nov STL St. Louis FCO Rome £445 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:06/11/2025TANYT&leg2=from:FCO,to:STL,departure:13/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:444.70&airProductToken=AQpoCjIIy5gBEgQ3MDA4GPJcIOO0ASjNrvwCMKmv_AI4VkAAWAFqBUxJR0hUcghWTE44NlNCRAoyCMuYARIENjEwORjjtAEgxXAokrH8AjCftfwCOFZAAVgBagVMSUdIVHIIVkxOODZTQkQKmgEKMgjLmAESBDE2MDQYxXAggJMBKIH7_AIwnPz8AjhMQABYAWoFTElHSFRyCFZMTjg2U0JECjEIy5gBEgM2MjEYgJMBIOBcKIX9_AIwyYH9AjhWQAFYAWoFTElHSFRyCFZMTjg2U0JECjEIy5gBEgQ3Mjg3GOBcIPJcKN2G_QIwxIf9AjhWQAFYAWoFTElHSFRyCFZMTjg2U0JEEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwAQ) ![Air France](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AF.gif) Thu, 6 Nov - Thu, 13 Nov STL St. Louis FCO Rome £448 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:06/11/2025TANYT&leg2=from:FCO,to:STL,departure:13/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:447.80&airProductToken=AQqaAQoyCMGMARIEODYwMRjyXCDjtAEoza78AjCpr_wCOFZAAFgBagVMSUdIVHIIVkxOODZTQkQKMQjBjAESAzM3NxjjtAEg4jAojLP8AjDdtvwCOFZAAVgBagVMSUdIVHIIVkxOODZTQkQKMQjBjAESBDE0MDQY4jAgxXAo6Ln8AjDluvwCOExAAVgBagVMSUdIVHIIVkxOODZTQkQKmgEKMgjLmAESBDE2MDQYxXAggJMBKIH7_AIwnPz8AjhMQABYAWoFTElHSFRyCFZMTjg2U0JECjEIy5gBEgM2MjEYgJMBIOBcKIX9_AIwyYH9AjhWQAFYAWoFTElHSFRyCFZMTjg2U0JECjEIy5gBEgQ3Mjg3GOBcIPJcKN2G_QIwxIf9AjhWQAFYAWoFTElHSFRyCFZMTjg2U0JEEgoIARABGAEqAkFGGAEiBAgBEAEoAigDKAQwAQ) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Thu, 6 Nov - Thu, 13 Nov STL St. Louis FCO Rome £449 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:06/11/2025TANYT&leg2=from:FCO,to:STL,departure:13/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:448.90&airProductToken=AQpoCjIIy5gBEgQ3MDA4GPJcIOO0ASjNrvwCMKmv_AI4VkAAWAFqBUxJR0hUcghWTE44NlNCRAoyCMuYARIENjEwORjjtAEgxXAokrH8AjCftfwCOFZAAVgBagVMSUdIVHIIVkxOODZTQkQKmwEKMQjBjAESBDE0MDUYxXAg4jAo4f78AjDj__wCOExAAFgBagVMSUdIVHIIVkxOODZTQkQKMgjBjAESBDM1NTAY4jAg47QBKJqF_QIwwIn9AjhWQAFYAWoFTElHSFRyCFZMTjg2U0JECjIIwYwBEgQyNjE0GOO0ASDyXCjliv0CMM2L_QI4VkABWAFqBUxJR0hUcghWTE44NlNCRBIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Fri, 7 Nov - Tue, 18 Nov STL St. Louis FCO Rome £451 Return found 18 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:07/11/2025TANYT&leg2=from:FCO,to:STL,departure:18/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:450.20&airProductToken=AQqZAQoxCNamARIEMzIyMBjyXCDgXCjzvPwCMNO9_AI4VEAAWAFqBUxJR0hUcghPTE44NlNCRAoxCNamARIEMzk5MxjgXCDiMCiBv_wCMP_C_AI4VEABWAFqBUxJR0hUcghPTE44NlNCRAoxCMGMARIEMTIwNBjiMCDFcCiey_wCMJvM_AI4VkABWAFqBUxJR0hUcghPTE44NlNCRAqaAQoyCMuYARIEMTYwOBjFcCCAkwEo7bb9AjCIuP0COExAAFgBagVMSUdIVHIIVkxOODZTQkQKMQjLmAESAzYyMRiAkwEg4FwoxcD9AjCJxf0COFZAAVgBagVMSUdIVHIIVkxOODZTQkQKMQjLmAESBDcyODcY4Fwg8lwoncr9AjCEy_0COFZAAVgBagVMSUdIVHIIVkxOODZTQkQSCggBEAEYASoCS0wYASIECAEQASgCKAMoBDAB) ![Air France](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AF.gif) Thu, 6 Nov - Thu, 13 Nov STL St. Louis FCO Rome £452 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:06/11/2025TANYT&leg2=from:FCO,to:STL,departure:13/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:452.00&airProductToken=AQqaAQoyCMGMARIEODYwMRjyXCDjtAEoza78AjCpr_wCOFZAAFgBagVMSUdIVHIIVkxOODZTQkQKMQjBjAESAzM3NxjjtAEg4jAojLP8AjDdtvwCOFZAAVgBagVMSUdIVHIIVkxOODZTQkQKMQjBjAESBDE0MDQY4jAgxXAo6Ln8AjDluvwCOExAAVgBagVMSUdIVHIIVkxOODZTQkQKmwEKMQjBjAESBDEwMDUYxXAg4jAo7Pf8AjDz-PwCOExAAFgBagVMSUdIVHIIVkxOODZTQkQKMgjBjAESBDM1NTAY4jAg47QBKPr5_AIwoP78AjhWQAFYAWoFTElHSFRyCFZMTjg2U0JECjIIwYwBEgQyNjE0GOO0ASDyXCjF__wCMK2A_QI4VkABWAFqBUxJR0hUcghWTE44NlNCRBIKCAEQARgBKgJBRhgBIgQIARABKAIoAygEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, 5 Nov - Fri, 14 Nov STL St. Louis FCO Rome £454 Return found 18 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:05/11/2025TANYT&leg2=from:FCO,to:STL,departure:14/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:453.80&airProductToken=AQqaAQoyCMGGARIEODk3MBjyXCCYzgEo7aX8AjDmpvwCOExAAFgBagVCQVNJQ3IITExYMjZMR1QKMQjBhgESAzg4MBiYzgEguTwouqf8AjCVq_wCOExAAVgBagVCQVNJQ3IITExYMjZMR1QKMQjBhgESBDY3OTgYuTwgxXAo8rT8AjDMtfwCOExAAVgBagVCQVNJQ3IITExYMjZMR1QKogEKMwjMkAESAzIzMRjFcCClBCjthP0CMOCF_QI4TEAAWAFqCEVDT0xJR0hUcghMTFgyNkxHVAo0CMyQARIDNDAyGKUEIMSNASjOhv0CMMyK_QI4TEABWAFqCEVDT0xJR0hUcghMTFgyNkxHVAo1CMyQARIENzY2MhjEjQEg8lwopo39AjDYjv0COExAAVgBaghFQ09MSUdIVHIITExYMjZMR1QSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Fri, 7 Nov - Tue, 18 Nov STL St. Louis FCO Rome £455 Return found 18 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:07/11/2025TANYT&leg2=from:FCO,to:STL,departure:18/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:454.70&airProductToken=AQqZAQoxCNamARIEMzIyMBjyXCDgXCjzvPwCMNO9_AI4VEAAWAFqBUxJR0hUcghPTE44NlNCRAoxCNamARIEMzk5MxjgXCDiMCiBv_wCMP_C_AI4VEABWAFqBUxJR0hUcghPTE44NlNCRAoxCMGMARIEMTIwNBjiMCDFcCiey_wCMJvM_AI4VkABWAFqBUxJR0hUcghPTE44NlNCRAqXAQoxCMGMARIEMTAwNRjFcCDiMCiMsP0CMJOx_QI4TEAAWAFqBUxJR0hUcghWTE44NlNCRAovCMGMARICMzAY4jAg4FwowrL9AjCQt_0COFZAAVgBagVMSUdIVHIIVkxOODZTQkQKMQjBjAESBDY4MTYY4Fwg8lwou7j9AjCjuf0COFZAAVgBagVMSUdIVHIIVkxOODZTQkQSCggBEAEYASoCQUYYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, 5 Nov - Fri, 14 Nov STL St. Louis FCO Rome £457 Return found 18 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:05/11/2025TANYT&leg2=from:FCO,to:STL,departure:14/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:456.50&airProductToken=AQqaAQoyCMGGARIEODk3MBjyXCCYzgEo7aX8AjDmpvwCOExAAFgBagVCQVNJQ3IITExYMjZMR1QKMQjBhgESAzg4MBiYzgEguTwouqf8AjCVq_wCOExAAVgBagVCQVNJQ3IITExYMjZMR1QKMQjBhgESBDY3OTgYuTwgxXAo8rT8AjDMtfwCOExAAVgBagVCQVNJQ3IITExYMjZMR1QKmAEKMAjBhgESAzg5MxjFcCCYXSi_hv0CMNuK_QI4TEAAWAFqBUJBU0lDcghMTFgyNkxHVAoxCMGGARIEODk2NxiYXSCuHCjTi_0CMPiM_QI4TEABWAFqBUJBU0lDcghMTFgyNkxHVAoxCMGGARIEMzU3OBiuHCDyXCjzlP0CMMiV_QI4TEABWAFqBUJBU0lDcghMTFgyNkxHVBIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Thu, 6 Nov - Thu, 13 Nov STL St. Louis FCO Rome £459 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:06/11/2025TANYT&leg2=from:FCO,to:STL,departure:13/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:458.50&airProductToken=AQpoCjIIy5gBEgQ3MDA4GPJcIOO0ASjNrvwCMKmv_AI4VkAAWAFqBUxJR0hUcghWTE44NlNCRAoyCMuYARIENjEwORjjtAEgxXAokrH8AjCftfwCOFZAAVgBagVMSUdIVHIIVkxOODZTQkQKmQEKMQjBjAESBDEzMDUYxXAg4jAo1f38AjDc_vwCOFZAAFgBagVMSUdIVHIIT0xOODZTQkQKMQjWpgESBDM5ODEY4jAg4Fwou4T9AjCTif0COFRAAVgBagVMSUdIVHIIT0xOODZTQkQKMQjWpgESBDUzMTUY4Fwg8lwoqIr9AjCPi_0COFRAAVgBagVMSUdIVHIIT0xOODZTQkQSCggBEAEYASoCS0wYASIECAEQASgCKAMoBDAB) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Fri, 7 Nov - Tue, 18 Nov STL St. Louis FCO Rome £489 Return found 18 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:07/11/2025TANYT&leg2=from:FCO,to:STL,departure:18/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:488.14&airProductToken=AQqZAQoxCMKCARIENTY4OBjyXCCuHCjSvPwCMLG9_AI4T0AAWAFqBU5PQkFHcghPTE44VDFCVgoxCMKCARIDMjk0GK4cIOuJASiOyPwCMN_L_AI4T0ABWAFqBU5PQkFHcghPTE44VDFCVgoxCMKCARIDNTUyGOuJASDFcCjDzPwCMN7N_AI4T0ABWAFqBU5PQkFHcghPTE44VDFCVgqbAQoxCMKCARIDNTYzGMVwIOuJASjhsP0CMJWy_QI4UUAAWAFqBU5PQkFHcghRTFgyVDFCVgoyCMKCARIDMTkzGOuJASCjsQEo5LT9AjDGuf0COFFAAVgBagVOT0JBR3IIUUxYMlQxQlYKMgjCggESBDQzMzYYo7EBIPJcKLq6_QIwqrv9AjhRQAFYAWoFTk9CQUdyCFFMWDJUMUJWEgoIARABGAEqAkJBGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from St. Louis (STL) to Rome (FCO) ### November is typically the cheapest month to fly From £375 - £1,091 per traveller. ## Frequently asked questions ### How much is a flight from STL to Rome Airport? > If you're travelling between STL and Rome Airport, round-trip journeys start from £445. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to Rome Airport? > Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Lambert Field to Fiumicino - Leonardo da Vinci Intl. Airport (FCO) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Lambert-St. Louis Intl. Airport (STL) to Fiumicino Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Lambert Field to Fiumicino Airport? > With around 8,100 kilometres separating St. Louis and Fiumicino, your flight will be a long one. Pack wisely and make your journey comfortable. Things like an extra pair of socks and a quality travel pillow can make all the difference. ### Which airlines fly direct from STL to FCO? > You won't find any airlines flying directly between St. Louis Lambert International Airport and Fiumicino Airport, so be ready to make at least one stop on your journey. A layover can be a good way to break up a trip! ### Are STL to FCO flight tickets cheaper when they're purchased at the last minute? > It is possible to get great last-minute deals from Lambert-St. Louis Intl. Airport (STL) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO), but it's also possible to miss out entirely! As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares carrier prices and updates flight deals all the time, so you can rest easy knowing you're always seeing the latest offers. ## Travel information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Fiumicino - Leonardo da Vinci Intl. | | Airlines serving | Aer Lingus, Air Canada, Air France, British Airways, Iberia, KLM, Lufthansa | | Return price | £445 | | Distance | 8084 km | ## Book with confidence ### Compare flights from St. Louis to Rome easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Rome. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Fiumicino - Leonardo da Vinci Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Fiumicino - Leonardo da Vinci Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Fiumicino - Leonardo da Vinci Intl. (FCO) The easiest way to view the best deals on flights from St. Louis to Rome today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Fiumicino - Leonardo da Vinci Intl. start at just £445 and range up to £489.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near St. Louis and Rome - booking your flight during November, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your St. Louis to Rome flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Fiumicino - Leonardo da Vinci Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. 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