Title: Cheap Singapore Airlines flights from Singapore to St. Louis (SIN→STL) - Expedia.co.uk ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Singapore Airlines flights from Singapore to St. Louis (SIN→STL) - [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 ![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) ## Singapore Airlines flights from Singapore to St. Louis (SIN→STL) Prices were available within the past 7 days and start at for one-way flights and £918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Singapore Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) Thu, 6 Nov - Thu, 13 Nov SIN Singapore STL St. Louis £918 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SIN,to:STL,departure:06/11/2025TANYT&leg2=from:STL,to:SIN,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:917.60&airProductToken=AQp1CjgI06IBEgIyOBiSaiCSASicp_wCMO6t_AI4S0AAWAFqDEVjb25vbXkgTGl0ZXIKSzE2U0dSTDJQTwo5CMGmARIDNDcyGJIBIPJcKP2y_AIw57T8AjhHQAFYAWoMRWNvbm9teSBMaXRlcgpLMTZTR1JMMlBPCnUKOQjBpgESAzM4OBjyXCCSASj2__wCMIiC_QI4R0AAWAFqDEVjb25vbXkgTGl0ZXIKVjE2U0dSTDBQTwo4CNOiARICMjcYkgEgkmoozYj9AjDJkP0COFZAAVgBagxFY29ub215IExpdGVyClYxNlNHUkwwUE8SCggCEAEYASoCU1EYASIECAEQASgCKAMoBDAP) ## Travel information | Origin airport | Changi | | --- | --- | | Destination airport | Lambert-St. Louis Intl. | | Distance | 15231 km | ## Explore a world of travel with Expedia - 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