Title: £282 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://images.trvl-media.com/place/179899/eb7e249d-ccd0-4342-bf0d-7a6024d66dc9.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £282 Cheap Flights from St. Louis (STL) to Rome (FCO) [View £282 flight on Mon, 2 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:281.21&airProductToken=AQqlAQo9CMKCARIENDg3MRjyXCCuHCihy4YDMIDMhgM4T0AAWAFqBU5PQkFHcghPTFg3SDRCVnoKCM-eARIENDg3MQoxCMKCARIDMjk2GK4cIOuJASjhzIYDMLfQhgM4T0ABWAFqBU5PQkFHcghPTFg3SDRCVgoxCMKCARIDNTYwGOuJASDFcCi70oYDMNvThgM4T0ABWAFqBU5PQkFHcghPTFg3SDRCVhIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) - [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:13/12/2025TANYT&leg2=from:FCO,to:STL,departure:20/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![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:13/12/2025TANYT&leg2=from:FCO,to:STL,departure:20/12/2025TANYT&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:13/12/2025TANYT&leg2=from:FCO,to:STL,departure:20/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![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:13/12/2025TANYT&leg2=from:FCO,to:STL,departure:20/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![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:13/12/2025TANYT&leg2=from:FCO,to:STL,departure:20/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) - ![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:13/12/2025TANYT&leg2=from:FCO,to:STL,departure:20/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SN"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:STL,to:FCO,departure:13/12/2025TANYT&leg2=from:FCO,to:STL,departure:20/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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 £282 for one-way flights and £356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £356 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:355.10&airProductToken=AQqjAQo9CMmEARIENDMxNhjyXCCuHCioyYYDMP_JhgM4T0AAWAFqBUJBU0lDcghPTFg3SDFCVnoKCMGCARIENDMxNgowCMmEARIDMzQyGK4cIIwYKOzKhgMw1s6GAzhPQAFYAWoFQkFTSUNyCE9MWDdIMUJWCjAIyYQBEgM2NTMYjBggxXAo9dGGAzCG04YDOE9AAVgBagVCQVNJQ3IIT0xYN0gxQlYKowEKMAjJhAESAzY1OBjFcCCMGCjmnIcDMIGehwM4T0AAWAFqBUJBU0lDcghPTFg3SDFCVgowCMmEARIDMzQxGIwYIK4cKPSehwMwx6OHAzhPQAFYAWoFQkFTSUNyCE9MWDdIMUJWCj0IyYQBEgQ4MDU1GK4cIPJcKNKmhwMwoKeHAzhPQAFYAWoFQkFTSUNyCE9MWDdIMUJWegoIwYIBEgQ4MDU1EgoIAhABGAIqAklCGAEiBAgBEAEoAigDKAQwDQ) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £363 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:362.40&airProductToken=AQqmAQo9CMuYARIENTcxORjyXCDgXCj2xYYDMN_GhgM4VkAAWAFqBUxJR0hUcghWTFg3NkxCQXoKCMSYARIENTcxOQoxCMuYARIDNjI0GOBcIICTASjCyYYDMKfNhgM4VkABWAFqBUxJR0hUcghWTFg3NkxCQQoyCMuYARIEMTYwMRiAkwEgxXAo482GAzDqzoYDOExAAVgBagVMSUdIVHIIVkxYNzZMQkEKgAEKPgjLmAESBDYxMTAYxXAg47QBKMWdhwMwsaKHAzhWQABYAWoFTElHSFRyCFZMWDc2TEJBegoIxJgBEgQ2MTEwCj4Iy5gBEgQ2NzUyGOO0ASDyXCj_pIcDMOWlhwM4VkABWAFqBUxJR0hUcghWTFg3NkxCQXoKCMSYARIENjc1MhIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMA0) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £380 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:379.20&airProductToken=AQpnCjIIwYYBEgQ4OTcwGPJcIJjOASiNyoYDMIbLhgM4TEAAWAFqBUJBU0lDcghMTFg3NkFCUQoxCMGGARIDODkwGJjOASDFcCjay4YDMN3PhgM4TEABWAFqBUJBU0lDcghMTFg3NkFCUQqmAQo9CMGGARIEOTMwMxjFcCClBCjOn4cDMMGghwM4TEAAWAFqBUJBU0lDcghMTFg3NkFCUXoKCMyQARIEOTMwMwoxCMGGARIDODQzGKUEIJjOASiqoYcDMK2lhwM4TEABWAFqBUJBU0lDcghMTFg3NkFCUQoyCMGGARIEODk2ORiYzgEg8lwouK2HAzDNrocDOExAAVgBagVCQVNJQ3IITExYNzZBQlESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAN) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £387 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:386.50&airProductToken=AQp-Cj0IwoIBEgQ1Njk0GPJcIO9ZKJDJhgMwlsqGAzhPQABYAWoFTk9CQUdyCE9MWDdIMUJWegoIwYIBEgQ1Njk0Cj0IwoIBEgQxNTc1GO9ZIMVwKOzKhgMw4M6GAzhPQAFYAWoFTk9CQUdyCE9MWDdIMUJWegoIwYIBEgQxNTc1Cn4KPQjCggESBDE1NzYYxXAg71koup-HAzCDpIcDOFFAAFgBagVOT0JBR3IIUUxYN1QxQlZ6CgjBggESBDE1NzYKPQjCggESBDU0NDQY71kg8lwo0KWHAzD0pocDOFFAAVgBagVOT0JBR3IIUUxYN1QxQlZ6CgjPkAESBDU0NDQSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £396 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:395.10&airProductToken=AQqxAQo9CNamARIEMzIyMBjyXCDgXCj7yYYDMN_KhgM4VEAAWAFqBUxJR0hUcghPTFg3NkxCQXoKCMSYARIEMzIyMAo9CNamARIEMzk5MxjgXCDiMCjhzIYDMN_QhgM4VEABWAFqBUxJR0hUcghPTFg3NkxCQXoKCMSYARIEMzk5MwoxCMGMARIEMTMwNBjiMCDFcCjc0YYDMNnShgM4VkABWAFqBUxJR0hUcghPTFg3NkxCQQqAAQo-CMGMARIEODYxNxjFcCDjtAEoxZ2HAzCxoocDOFZAAFgBagVMSUdIVHIIVkxYNzZMQkF6CgjEmAESBDg2MTcKPgjBjAESBDI2MTQY47QBIPJcKJCjhwMw9qOHAzhWQAFYAWoFTElHSFRyCFZMWDc2TEJBegoIxJgBEgQyNjE0EgoIARABGAEqAkFGGAEiBAgBEAEoAigDKAQwAQ) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £396 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:395.80&airProductToken=AQqjAQo9CMmEARIENDU4OBjyXCCuHCikx4YDMPvHhgM4T0AAWAFqBUJBU0lDcghPTFg3SDFCVnoKCMGCARIENDU4OAowCMmEARIDMzQyGK4cIIwYKOzKhgMw1s6GAzhPQAFYAWoFQkFTSUNyCE9MWDdIMUJWCjAIyYQBEgM2NDkYjBggxXAo9s-GAzCH0YYDOE9AAVgBagVCQVNJQ3IIT0xYN0gxQlYKfgo9CMmEARIENDY1ORjFcCDvWSi6n4cDMIOkhwM4UUAAWAFqBUJBU0lDcghRTFg3VDFCVnoKCMGCARIENDY1OQo9CMmEARIENDY3MBjvWSDyXCjQpYcDMPSmhwM4UUABWAFqBUJBU0lDcghRTFg3VDFCVnoKCMGCARIENDY3MBIKCAEQARgBKgJJQhgBIgQIARABKAIoAygEMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £401 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:400.95&airProductToken=AQp-Cj0IwoIBEgQ1Njk0GPJcIO9ZKJDJhgMwlsqGAzhPQABYAWoFTk9CQUdyCE9MWDdIMUJWegoIwYIBEgQ1Njk0Cj0IwoIBEgQxNTc1GO9ZIMVwKOzKhgMw4M6GAzhPQAFYAWoFTk9CQUdyCE9MWDdIMUJWegoIwYIBEgQxNTc1CqUBCjEIwoIBEgM1NjMYxXAg64kBKOGchwMwlZ6HAzhRQABYAWoFTk9CQUdyCFFMWDdUMUJWCjEIwoIBEgMyOTUY64kBIK4cKPSehwMwhqOHAzhRQAFYAWoFTk9CQUdyCFFMWDdUMUJWCj0IwoIBEgQ1MTUwGK4cIPJcKPCjhwMwxaSHAzhRQAFYAWoFTk9CQUdyCFFMWDdUMUJWegoIz54BEgQ1MTUwEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £405 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:404.80&airProductToken=AQqmAQo9CMuYARIENTcyMBjyXCDgXCj7yYYDMN_KhgM4VkAAWAFqBUxJR0hUcghWTFg3NkxCQXoKCMSYARIENTcyMAoxCMuYARIDNjIyGOBcIICTASjhzIYDMMvQhgM4VkABWAFqBUxJR0hUcghWTFg3NkxCQQoyCMuYARIEMTYwNRiAkwEgxXAom9GGAzCd0oYDOExAAVgBagVMSUdIVHIIVkxYNzZMQkEKgAEKPgjBjAESBDg2MTcYxXAg47QBKMWdhwMwsaKHAzhWQABYAWoFTElHSFRyCFZMWDc2TEJBegoIxJgBEgQ4NjE3Cj4IwYwBEgQyNjE0GOO0ASDyXCiQo4cDMPajhwM4VkABWAFqBUxJR0hUcghWTFg3NkxCQXoKCMSYARIEMjYxNBIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £411 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:411.00&airProductToken=AQqxAQo9CNamARIENTM3MhjyXCDgXCivy4YDMKDMhgM4VEAAWAFqBUxJR0hUcghPTFg3NkxCQXoKCMSYARIENTM3Mgo9CNamARIEMzk5MxjgXCDiMCjhzIYDMN_QhgM4VEABWAFqBUxJR0hUcghPTFg3NkxCQXoKCMSYARIEMzk5MwoxCMGMARIEMTQwNBjiMCDFcCjo0oYDMOXThgM4VkABWAFqBUxJR0hUcghPTFg3NkxCQQqxAQoxCMGMARIEMTAwNRjFcCDiMCiMnIcDMJOdhwM4VkAAWAFqBUxJR0hUcghPTFg3NkxCQQo9CNamARIEMzk4NhjiMCDMfCianocDMNmihwM4VEABWAFqBUxJR0hUcghPTFg3NkxCQXoKCMSYARIEMzk4Ngo9CNamARIEMjI0OBjMfCDyXCigpocDMP-mhwM4VEABWAFqBUxJR0hUcghPTFg3NkxCQXoKCMSYARIEMjI0OBIKCAEQARgBKgJWUxgBIgQIARABKAIoAygEMAE) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Mon, 2 Mar - Tue, 10 Mar STL St. Louis FCO Rome £412 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:FCO,departure:02/03/2026TANYT&leg2=from:FCO,to:STL,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:412.00&airProductToken=AQqxAQo9CNamARIENTM3MhjyXCDgXCivy4YDMKDMhgM4VEAAWAFqBUxJR0hUcghPTFg3NkxCQXoKCMSYARIENTM3Mgo9CNamARIEMzk5MxjgXCDiMCjhzIYDMN_QhgM4VEABWAFqBUxJR0hUcghPTFg3NkxCQXoKCMSYARIEMzk5MwoxCMGMARIEMTQwNBjiMCDFcCjo0oYDMOXThgM4VkABWAFqBUxJR0hUcghPTFg3NkxCQQqzAQoyCMuYARIEMTYwMBjFcCCAkwEolpyHAzCxnYcDOFZAAFgBagVMSUdIVHIIT0xYNzZMQkEKPgjWpgESBDM5NjAYgJMBIOBcKLCfhwMw_qOHAzhUQAFYAWoFTElHSFRyCE9MWDc2TEJBegoIxJgBEgQzOTYwCj0I1qYBEgQ1MTAyGOBcIPJcKJulhwMwgqaHAzhUQAFYAWoFTElHSFRyCE9MWDc2TEJBegoIxJgBEgQ1MTAyEgoIARABGAEqAlZTGAEiBAgBEAEoAigDKAQwAQ) ![](https://forever.travel-assets.com/flex/flexmanager/images/2025/11/05/BEX-BF-25_FR-DE-MX-UK_1_Desktop.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## Black Friday Sale Save up to 40% on select hotels. [Book now](https://expedia.co.uk/cheap-deals?rfrr=FTG_BF_PROMO_) ## Find the cheapest month to fly from St. Louis (STL) to Rome (FCO) ### November is typically the cheapest month to fly From £386 - £1,277 per traveller. Flight from St. Louis to Rome route information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Fiumicino - Leonardo da Vinci Intl. | | Airlines serving | Aer Lingus, Air Canada, Air France, British Airways, Brussels Airlines, Iberia, KLM, Lufthansa | | Return price | £355 | | Distance | 8084 km | ## 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 £356 and range up to £412.   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 March, 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. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## 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 £356. 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. 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