Title: Cheap Flights to St. Peter , IL from CA $206 - Expedia.ca ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.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) # Cheap Flights to St. Peter , IL from CA $206 [View CA $206 flight on Wed, Mar 11, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YVR,to:STL,departure:11/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:205.83&airProductToken=AQpxCjcI1YIBEgQyMDA0GLiNASCuHCjirocDMNywhwM4TkAAWAFqCjFfYmFzaWNlY29yCEdOQTRBMkJOCjYI1YIBEgQ0NTc2GK4cIPJcKLmxhwMwj7KHAzhOQABYAWoKMV9iYXNpY2Vjb3IIR05BNEEyQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) - [Roundtrip](?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 [Hotels in St. Peter](https://expedia.ca/St-Peter-Hotels.d553248634983483549.Travel-Guide-Hotels)[St. Peter Car Rentals](https://expedia.ca/Car-Rentals-In-St-Peter.d553248634983483549.Car-Rental-Guide)[St. Peter Vacation Packages](https://expedia.ca/St-Peter.d553248634983483549.Destination-Travel-Guides) ## Popular airlines to St. Peter - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:St. Peter, Illinois, United States of America,departure:26/02/2026TANYT&leg2=from:St. Peter, Illinois, United States of America,to:CMH,departure:05/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:St. Peter, Illinois, United States of America,departure:26/02/2026TANYT&leg2=from:St. Peter, Illinois, United States of America,to:CMH,departure:05/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:St. Peter, Illinois, United States of America,departure:26/02/2026TANYT&leg2=from:St. Peter, Illinois, United States of America,to:CMH,departure:05/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:St. Peter, Illinois, United States of America,departure:26/02/2026TANYT&leg2=from:St. Peter, Illinois, United States of America,to:CMH,departure:05/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:St. Peter, Illinois, United States of America,departure:26/02/2026TANYT&leg2=from:St. Peter, Illinois, United States of America,to:CMH,departure:05/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:St. Peter, Illinois, United States of America,departure:26/02/2026TANYT&leg2=from:St. Peter, Illinois, United States of America,to:CMH,departure:05/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:St. Peter, Illinois, United States of America,departure:26/02/2026TANYT&leg2=from:St. Peter, Illinois, United States of America,to:CMH,departure:05/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![](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\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](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.ca/login) ## How much is the cheapest flight to St. Peter? Prices were available within the past 7 days and start at CA $206 for one-way flights and CA $343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Apr 1 - Tue, Apr 7 YYZ Toronto STL St. Louis CA $418 Roundtrip found 2 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:STL,departure:01/04/2026TANYT&leg2=from:STL,to:YYZ,departure:07/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:417.90&airProductToken=AQpnCjIIwYIBEgQzNjA4GJjOASCuHCj8mokDMPSbiQM4QkAAWAFqBUJBU0lDcghPVkFDWlNCWAoxCMGCARIEMTkyNhiuHCDyXCiSnokDMNyeiQM4QkABWAFqBUJBU0lDcghPVkFJS1NCWAqaAQoxCMGCARIENjE5MBjyXCCuHCi_4IkDMKDhiQM4QkAAWAFqBUJBU0lDcghPVkFJS1NCWAoxCMGCARIEMTg4NhiuHCDvWSjY5IkDMNfliQM4QkABWAFqBUJBU0lDcghPVkFDWlNCWAoyCMGCARIENTg4NBjvWSCYzgEopuiJAzCS6YkDOEJAAVgBagVCQVNJQ3IIT1ZBQ1pTQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Apr 4 - Wed, Apr 8 YYZ Toronto STL St. Louis CA $504 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:STL,departure:04/04/2026TANYT&leg2=from:STL,to:YYZ,departure:08/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:503.58&airProductToken=AQp3CkEIwYYBEgQ0NDgwGJjOASCuHCj8uokDMPe7iQM4R0AAWAFqCFNUQU5EQVJEcghHTkEyQTJUR3oKCNWCARIENDQ4MAoyCNWCARIDNDg1GK4cIPJcKMi-iQMwoL-JAzhHQAFYAWoHRUNPTk9NWXIIR0FGMkFaRFMSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Mar 8 - Wed, Mar 11 YYZ Toronto STL St. Louis CA $513 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:STL,departure:08/03/2026TANYT&leg2=from:STL,to:YYZ,departure:11/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:512.01&airProductToken=AQpvCjYIxJgBEgQ0MDczGJjOASDMfCiWiIcDMLeJhwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkFVU0EwQlEKNQjEmAESBDM4ODQYzHwg8lwoqYqHAzCQi4cDOEVAAVgBaglNQUlOQkFTSUNyCFZBVVNBMEJREgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Apr 17 - Tue, Apr 21 YYZ Toronto STL St. Louis CA $542 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:STL,departure:17/04/2026TANYT&leg2=from:STL,to:YYZ,departure:21/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:541.51&airProductToken=AQpACj4I1YIBEgQ2NjA1GJjOASDyXCjizYoDMOjOigM4R0AAWAFqBTJfZWNvcghHTkE0QTJUR3oKCMGGARIENjYwNRIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, Mar 31 - Sat, Apr 18 YYZ Toronto STL St. Louis CA $550 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:STL,departure:31/03/2026TANYT&leg2=from:STL,to:YYZ,departure:18/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:549.50&airProductToken=AQpDCiAIwaYBEgMzOTEYmM4BIJIBKOePiQMwsZKJAzhYQABYAQofCMGmARIDMzg4GJIBIPJcKNuYiQMwx5qJAzhYQAFYAQpDCh8IwaYBEgMzODgY8lwgkgEowNqKAzDR3IoDOFhAAFgBCiAIwaYBEgMzODUYkgEgmM4BKOniigMwgeWKAzhYQAFYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.ca/deals?rfrr=FTG_SPRING_PROMO_) Expedia.ca gives you the best tools to secure great deals on flights to St. Peter. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to St. Peter. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to St. Peter. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your St. Peter flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to St. Peter. Looking to save even more? Get additional savings by bundling your St. Peter flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your St. Peter trip! __Flights to St. Peter information__ | Destination airport | Lambert-St. Louis Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | STL | | Destination city name | St. Louis | | Roundtrip price | CA $418 | ## Trending flights to St. Peter Prices were available within the past 7 days and start at CA $206 for one-way flights and CA $343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Tue, Apr 21 YVR Vancouver STL St. Louis CA $343 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:STL,departure:20/04/2026TANYT&leg2=from:STL,to:YVR,departure:21/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:342.33&airProductToken=AQptCjUI1YIBEgQxMjMwGLiNASCycSi38YoDMMTyigM4TkAAWAFqCEVDT0JBU0lDcghHTkE0QTJCTgo0CNWCARIENTczORiycSDyXCic9YoDMKr3igM4TkABWAFqCEVDT0JBU0lDcghHTkE0QTJCTgptCjQI1YIBEgQ1NzI4GPJcILJxKMr4igMw5fqKAzhOQABYAWoIRUNPQkFTSUNyCEdOQTRBMkJOCjUI1YIBEgQyNDI5GLJxILiNASiV_ooDMK__igM4TkABWAFqCEVDT0JBU0lDcghHTkE0QTJCThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE) \*Available to Expedia members.